/* agentport — 「포트 대장」 스타일. 색·서체·간격은 tokens.css 의 변수만 쓴다(raw 색 0).
   층 3단: 캔버스(페이지) → 트레이(받침 6px) → 시트(읽는 면). 목록·표·긴 문단은 시트 안에만. */

/* ── 리셋 (:where 로 특이도 0 — lessons #49) ───────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
:where(body, h1, h2, h3, h4, p, ul, ol, dl, dd, figure, pre, blockquote) { margin: 0; }
:where(ul, ol) { padding: 0; list-style: none; }
:where(a) { color: inherit; }
:where(button, input, textarea, select) { font: inherit; color: inherit; letter-spacing: inherit; }
:where(img) { display: block; max-width: 100%; height: auto; }
:where(table) { border-collapse: collapse; }
[hidden] { display: none !important; }

:root { --pad: var(--spacing-page-sm); }
@media (min-width: 720px) { :root { --pad: var(--spacing-page-md); } }
@media (min-width: 1024px) { :root { --pad: var(--spacing-page-lg); } }
@media (min-width: 1200px) { :root { --pad: var(--spacing-page-xl); } }

html {
  background: var(--color-canvas);
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: var(--spacing-6);
}
@media (min-width: 1024px) { html { scroll-padding-top: var(--spacing-sticky-top); } }
html.is-locked { overflow: hidden; }

body {
  min-height: 100svh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--text-base--line-height);
  color: var(--color-ink);
  background: var(--color-canvas);
  font-variant-numeric: tabular-nums;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
main:focus { outline: none; }

.mono { font-family: var(--font-mono); font-variant-ligatures: none; }
.cm { margin-inline: -0.17em; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ic { display: inline-block; flex: none; vertical-align: -0.2em; }

:focus-visible { outline: 2px solid transparent; box-shadow: var(--shadow-focus); border-radius: var(--radius-input); }
a:focus-visible { border-radius: 6px; }

.skip {
  position: absolute; left: var(--spacing-4); top: -100px; z-index: 100;
  padding: var(--spacing-3) var(--spacing-4); border-radius: var(--radius-pill);
  background: var(--color-ink); color: var(--color-surface); text-decoration: none; font-weight: 600;
}
.skip:focus { top: var(--spacing-4); }

.wrap { width: min(100% - var(--pad) * 2, var(--spacing-container)); margin-inline: auto; }
.sec { margin-top: var(--spacing-section); }
.small { font-size: var(--text-meta); line-height: var(--text-meta--line-height); color: var(--color-ink-2); }

/* ── 층: 트레이 + 시트 (Double-Bezel) ─────────────────────────────────── */
.tray {
  background: var(--color-plate);
  padding: var(--spacing-bezel);
  border-radius: var(--radius-plate);
  box-shadow: var(--shadow-plate);
  min-width: 0;
}
.sheet {
  background: var(--color-surface);
  border-radius: var(--radius-sheet);
  box-shadow: var(--shadow-inset);
  min-width: 0;
}
.tray > .ph, .tray > .media { border-radius: var(--radius-sheet); }
.sheet-foot {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: var(--spacing-2) var(--spacing-4);
  padding: var(--spacing-1) var(--spacing-4);
  border-top: 1px solid var(--color-hairline);
}
.sheet-foot-split { justify-content: space-between; padding-block: var(--spacing-3); }
.foot-note { font-size: var(--text-meta); color: var(--color-ink-3); }

/* ── 글자 ─────────────────────────────────────────────────────────────── */
.h1, .dh-h1, .hero-h1, .uc-title, .uc-feature-title, .uc-title-sm, .post-title, .h2 { text-wrap: balance; }
.h1 { font-size: var(--text-3xl); line-height: var(--text-3xl--line-height); font-weight: 700; letter-spacing: -0.025em; }
.h2 { font-size: var(--text-2xl); line-height: var(--text-2xl--line-height); font-weight: 700; letter-spacing: -0.02em; }
.h3 { font-size: var(--text-lg); line-height: var(--text-lg--line-height); font-weight: 700; letter-spacing: -0.01em; }
.h2-n { font-size: var(--text-meta); font-weight: 600; color: var(--color-ink-3); vertical-align: 0.15em; margin-left: var(--spacing-1); }
.lead { margin-top: var(--spacing-3); max-width: var(--spacing-measure); font-size: var(--text-lg); line-height: var(--text-lg--line-height); color: var(--color-ink-2); }
.meta { margin-top: var(--spacing-2); font-size: var(--text-meta); color: var(--color-ink-2); }
.num { font-weight: 600; }

/* 링크 = 먹 + 밑줄 (초록 링크 글자 금지) */
.more {
  display: inline-flex; align-items: center; gap: var(--spacing-1); min-height: 44px;
  font-size: var(--text-sm); font-weight: 600; color: var(--color-ink);
  text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px;
  text-decoration-color: var(--color-rule-strong);
  transition: text-decoration-color var(--duration-fast) var(--ease-out);
}
.more .ic { transition: transform var(--duration-base) var(--ease-spring); }
@media (hover: hover) {
  .more:hover { text-decoration-color: var(--color-ink); }
  .more:hover .ic { transform: translateX(2px); }
}
.more-btn { border: 0; background: none; cursor: pointer; padding: 0; }
.text-btn { min-height: 44px; border: 0; background: none; cursor: pointer; font-size: var(--text-meta); font-weight: 600; color: var(--color-ink-2); text-decoration: underline; text-underline-offset: 3px; }

.sec-head {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--spacing-1) var(--spacing-4); margin-bottom: var(--spacing-4);
}

/* ── 버튼 (주 = 먹 직사각 radius-sm + 맨 화살표 — 알약·원형 화살표는 2026-10-09 걷었다) ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--spacing-2);
  min-height: 44px; padding: 0 var(--spacing-4) 0 var(--spacing-5);
  border: 0; border-radius: var(--radius-sm);
  font-size: var(--text-sm); font-weight: 600; line-height: 1; white-space: nowrap;
  text-decoration: none; cursor: pointer;
  transition: transform var(--duration-instant) var(--ease-spring), background-color var(--duration-fast) var(--ease-out);
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--color-ink); color: var(--color-surface); }
.btn-arrow {
  display: inline-grid; place-items: center; margin-right: calc(var(--spacing-1) * -1);
  transition: transform var(--duration-base) var(--ease-spring);
}
@media (hover: hover) { .btn:hover .btn-arrow { transform: translateX(2px); } }
.btn-ghost { background: var(--color-surface); color: var(--color-ink); box-shadow: inset 0 0 0 1px var(--color-rule-strong); padding-inline: var(--spacing-4); gap: var(--spacing-2); }
@media (hover: hover) { .btn-ghost:hover { background: var(--color-surface-sunk); } }
.btn-block { width: 100%; }
.btn-primary:not(:has(.btn-arrow)) { padding-inline: var(--spacing-5); }
.btn-primary[data-js="copy"] { padding-inline: var(--spacing-5); gap: var(--spacing-2); }

.icon-btn { display: inline-grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 50%; background: none; cursor: pointer; color: var(--color-ink-2); }
@media (hover: hover) { .icon-btn:hover { background: var(--color-surface-sunk); color: var(--color-ink); } }

/* 44px 맞힘 영역 + 작은 눈금 (칩·딱지) */
.hit { display: inline-flex; align-items: center; min-height: 44px; border: 0; padding: 0; background: none; text-decoration: none; cursor: pointer; }
.chip {
  display: inline-flex; align-items: center; height: 32px; padding-inline: var(--spacing-3);
  border-radius: var(--radius-pill); background: var(--color-surface-sunk);
  font-size: var(--text-meta); font-weight: 500; color: var(--color-ink); white-space: nowrap;
  box-shadow: inset 0 0 0 1px transparent;
  transition: background-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}
@media (hover: hover) { .hit:hover .chip { box-shadow: inset 0 0 0 1px var(--color-rule-strong); } }
.hit[aria-pressed="true"] .chip { background: var(--color-ink); color: var(--color-surface); }
.hit:focus-visible { box-shadow: none; }
.hit:focus-visible .chip { box-shadow: var(--shadow-focus); }
.chip-row { position: relative; display: flex; gap: 0 var(--spacing-2); overflow-x: auto; scrollbar-width: none; scroll-padding-inline: var(--spacing-4); min-width: 0; }
.chip-row::-webkit-scrollbar { display: none; }
.chip-row-wrap { flex-wrap: wrap; overflow: visible; }

/* ── 딱지 (높이 22 — 틴트는 원격·호환 깨짐만) ─────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px; height: 22px; padding-inline: var(--spacing-2);
  border-radius: var(--radius-pill);
  font-size: var(--text-micro); font-weight: 600; line-height: 1; white-space: nowrap; color: var(--color-ink-2);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--color-rule-strong) 55%, var(--color-surface));
}
.badge-remote { background: var(--color-signal-surface); color: var(--color-signal); box-shadow: none; }
.badge-caution { background: var(--color-caution-surface); color: var(--color-caution); box-shadow: none; }
.badge-official { color: var(--color-ink); box-shadow: inset 0 0 0 1px var(--color-ink); }
.badge-new { color: var(--color-ink); background: var(--color-surface-sunk); box-shadow: none; }
.badge-write { color: var(--color-ink); box-shadow: inset 0 0 0 1px var(--color-ink-3); }
.badge-virtual { color: var(--color-ink); box-shadow: inset 0 0 0 1px var(--color-ink-3); letter-spacing: 0.02em; }
.port-tag {
  display: inline-flex; align-items: center; height: 22px; padding-inline: var(--spacing-2);
  border-radius: var(--radius-pill); background: var(--color-surface-sunk);
  font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-2); white-space: nowrap; text-decoration: none;
}
.port-row { display: flex; flex-wrap: wrap; gap: var(--spacing-1); }
kbd {
  display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding-inline: 6px;
  border-radius: 6px; background: var(--color-surface-sunk); box-shadow: inset 0 0 0 1px var(--color-hairline);
  font-size: var(--text-micro); line-height: 1; color: var(--color-ink-3);
}

/* 램프 — on 신호 · half 신호 반원 · off 대시 · unknown 고리 */
.lamp { position: relative; display: inline-grid; place-items: center; width: 20px; height: 20px; vertical-align: middle; }
.lamp-on, .lamp-half { color: var(--color-signal); }
.lamp-off { color: var(--color-ink-3); }
.lamp-unknown { color: var(--color-rule-strong); }
.legend { display: flex; flex-wrap: wrap; gap: var(--spacing-1) var(--spacing-4); font-size: var(--text-meta); color: var(--color-ink-2); }
.legend li { display: inline-flex; align-items: center; gap: 4px; }

.move { position: relative; display: inline-flex; align-items: center; gap: 2px; min-width: 36px; justify-content: flex-end; font-size: var(--text-micro); color: var(--color-ink-2); }
.move-new { font-weight: 600; letter-spacing: 0.04em; }

/* 모노그램 */
.mg {
  display: inline-grid; place-items: center; flex: none; width: 40px; height: 40px;
  border-radius: var(--radius-tile); background: var(--color-surface-sunk);
  box-shadow: inset 0 0 0 1px var(--color-hairline);
  font-family: var(--font-sans); font-size: 17px; font-weight: 700; color: var(--color-ink); line-height: 1;
}
.mg-client { border-radius: 50%; }
.mg-32 { width: 32px; height: 32px; font-size: 14px; }
.mg-64 { width: 64px; height: 64px; font-size: 26px; border-radius: 14px; }
.mg-client.mg-64 { border-radius: 50%; }
.mg-app { clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%); }
.mg-person { width: 48px; height: 48px; border-radius: 50%; background: var(--color-plate); font-size: 15px; font-weight: 600; box-shadow: none; }

/* 스파크라인 — 선 먹 · 끝점 신호 */
.spark { display: inline-block; flex: none; overflow: visible; }
.spark path { fill: none; stroke: var(--color-chart-bar); stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; }
.spark circle { fill: var(--color-signal); }

/* ── 명령줄 머리 (command-bar · 2026-10-09 재설계) ──────────────────────────
   맨 위에 붙은 전폭 흰 막대 — 떠 있는 섬·알약 0, 둥글림은 radius-sm(4px) 이하. 가운데의 명령 입력이 주인공이다. */
.hd { position: relative; z-index: 40; background: var(--color-surface); box-shadow: inset 0 -1px 0 var(--color-hairline); }
@media (min-width: 1024px) { .hd { position: sticky; top: 0; } }
.hd-in { width: min(100% - var(--pad) * 2, var(--spacing-container)); margin-inline: auto; }
.hd > .hd-in { display: flex; align-items: center; gap: var(--spacing-1); height: var(--spacing-nav); }
@media (min-width: 720px) {
  .hd > .hd-in {
    display: grid; grid-template-columns: minmax(max-content, 1fr) minmax(0, 40rem) minmax(max-content, 1fr);
    gap: var(--spacing-6); height: var(--spacing-bar);
  }
}
.hd-brand { display: flex; align-items: center; gap: var(--spacing-1); min-width: 0; margin-left: -6px; }
.brand { display: inline-flex; align-items: center; gap: var(--spacing-2); min-height: 44px; padding-inline: 6px; text-decoration: none; border-radius: var(--radius-sm); }
.brand .logo, .foot-brand .logo { color: var(--color-ink); }
.brand-name { font-size: var(--text-sm); font-weight: 600; letter-spacing: -0.01em; }
.virtual-hit { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding-inline: 2px; text-decoration: none; }
.hd-end { display: flex; align-items: center; justify-content: flex-end; gap: var(--spacing-1); margin-left: auto; margin-right: -6px; }
.hd-cta {
  display: none; align-items: center; min-height: 40px; padding-inline: var(--spacing-4);
  border-radius: var(--radius-sm); background: var(--color-ink); color: var(--color-surface);
  font-size: var(--text-sm); font-weight: 600; text-decoration: none; white-space: nowrap;
  transition: background-color var(--duration-fast) var(--ease-out);
}
@media (hover: hover) { .hd-cta:hover { background: var(--color-ink-2); } }
.hd-btn { display: inline-grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: var(--radius-sm); background: none; color: var(--color-ink); cursor: pointer; }
@media (hover: hover) { .hd-btn:hover { background: var(--color-surface-sunk); } }
.burger { position: relative; display: block; width: 18px; height: 12px; }
.burger i {
  position: absolute; left: 0; width: 18px; height: 1.5px; background: var(--color-ink);
  transition: transform var(--duration-base) var(--ease-spring);
}
.burger i:first-child { top: 2px; }
.burger i:last-child { top: 9px; }
.gnb-toggle[aria-expanded="true"] .burger i:first-child { transform: translateY(3.5px) rotate(45deg); }
.gnb-toggle[aria-expanded="true"] .burger i:last-child { transform: translateY(-3.5px) rotate(-45deg); }
@media (min-width: 720px) {
  .hd-end { margin-right: 0; }
  .hd-cta { display: inline-flex; }
  .hd-btn { display: none; }
}

/* 명령 입력 — 오목 면 + 3:1 테(UI 구성 요소). 16px 글자로 iOS 확대를 막는다 */
.cmd { position: relative; display: none; min-width: 0; }
.cmd-field {
  display: flex; align-items: center; gap: var(--spacing-3); height: 44px; padding-inline: var(--spacing-3) var(--spacing-2);
  border-radius: var(--radius-sm); background: var(--color-surface-sunk); box-shadow: inset 0 0 0 1px var(--color-rule-strong);
  color: var(--color-ink-2); cursor: text;
  transition: box-shadow var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);
}
.cmd-field:focus-within { background: var(--color-surface); box-shadow: inset 0 0 0 1px var(--color-ink), 0 0 0 2px var(--color-surface), 0 0 0 4px var(--color-signal); }
.cmd-ic { flex: none; }
.cmd-field input {
  flex: 1; min-width: 0; height: 100%; border: 0; background: transparent; outline: none;
  font-size: var(--text-base); color: var(--color-ink); -webkit-appearance: none; appearance: none;
}
.cmd-field input:focus-visible { box-shadow: none; }
.cmd-field input::placeholder { color: var(--color-ink-3); opacity: 1; }
.cmd-keys { display: flex; flex: none; gap: 4px; }
.cmd-keys kbd { border-radius: var(--radius-sm); background: var(--color-surface); }
.kbd-cmd { display: inline-flex; gap: 1px; font-family: var(--font-mono); }
.kbd-cmd .ic { width: 11px; height: 11px; }
.cmd-close { display: none; }
@media (min-width: 720px) { .cmd { display: block; } }
@media (max-width: 1023.98px) { .kbd-cmd { display: none; } }

/* 데모 명령 판 (#cmd) — 입력 바로 아래 붙는 판. 흰 면 + 머리카락 테 + float 그림자 */
.cmd-panel {
  position: absolute; left: 0; right: 0; top: calc(100% + var(--spacing-2)); z-index: 45;
  display: none; flex-direction: column; max-height: min(70svh, 36rem);
  border-radius: var(--radius-sm); background: var(--color-surface);
  box-shadow: 0 0 0 1px var(--color-hairline), var(--shadow-float);
}
html[data-cmd] .cmd-panel { display: flex; animation: cmd-in var(--duration-fast) var(--ease-out); }
@keyframes cmd-in { from { opacity: 0; transform: translateY(-4px); } }
.cmd-list { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding-block: var(--spacing-1) var(--spacing-2); scrollbar-width: thin; }
.cmd-group[hidden], .cmd-opt[hidden] { display: none; }
.cmd-gh { padding: var(--spacing-3) var(--spacing-4) var(--spacing-1); font-size: var(--text-micro); font-weight: 600; letter-spacing: 0.04em; color: var(--color-ink-3); }
.cmd-opt {
  display: grid; grid-template-columns: 4.5rem minmax(0, 1fr) auto; grid-template-areas: "kind name port" "kind line port";
  align-items: center; column-gap: var(--spacing-3); min-height: 52px; padding: var(--spacing-2) var(--spacing-4); line-height: 1.4;
  color: var(--color-ink); text-decoration: none; cursor: pointer;
}
.cmd-opt.is-active { background: var(--color-surface-sunk); box-shadow: inset 2px 0 0 var(--color-signal); }
.cmd-kind { grid-area: kind; line-height: 1.4; font-size: var(--text-meta); color: var(--color-ink-3); }
.cmd-name { grid-area: name; line-height: 1.4; overflow: hidden; font-size: var(--text-sm); font-weight: 600; white-space: nowrap; text-overflow: ellipsis; }
.cmd-line { grid-area: line; line-height: 1.4; overflow: hidden; font-size: var(--text-meta); color: var(--color-ink-2); white-space: nowrap; text-overflow: ellipsis; }
.cmd-port { grid-area: port; font-size: var(--text-meta); color: var(--color-ink-3); }
.cmd-opt.is-active .cmd-port { color: var(--color-ink); }
.cmd-foot {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0 var(--spacing-4);
  padding: var(--spacing-1) var(--spacing-4); box-shadow: inset 0 1px 0 var(--color-hairline);
}
.cmd-hint { display: flex; flex-wrap: wrap; align-items: center; gap: 2px var(--spacing-2); padding-block: var(--spacing-2); font-size: var(--text-meta); color: var(--color-ink-2); word-break: keep-all; }
.cmd-hint .badge { border-radius: var(--radius-sm); }
.cmd-all { display: inline-flex; align-items: center; gap: var(--spacing-1); min-height: 44px; font-size: var(--text-meta); font-weight: 600; color: var(--color-ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--color-rule-strong); }

/* 모바일 — 검색 단추를 누르면 전체 화면 명령 판(가둠·뒤 스크롤 잠금) */
@media (max-width: 719.98px) {
  html[data-cmd] .cmd {
    position: fixed; inset: 0; z-index: 60; display: flex; flex-direction: column;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) 0 env(safe-area-inset-left);
    background: var(--color-surface);
  }
  .cmd-field { flex: none; height: var(--spacing-nav); padding-inline: var(--pad) var(--spacing-1); border-radius: 0; background: var(--color-surface); box-shadow: inset 0 -1px 0 var(--color-hairline); }
  .cmd-field:focus-within { box-shadow: inset 0 -2px 0 var(--color-signal); }
  .cmd-keys, .cmd-keyhint { display: none; }
  .cmd-close { display: inline-flex; align-items: center; min-height: 44px; padding-inline: var(--spacing-3); border: 0; border-radius: var(--radius-sm); background: none; font-size: var(--text-sm); font-weight: 600; color: var(--color-ink); cursor: pointer; }
  .cmd-panel { position: static; flex: 1; min-height: 0; max-height: none; border-radius: 0; box-shadow: none; }
  html[data-cmd] .cmd-panel { animation: none; }
  .cmd-opt { grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "kind port" "name name" "line line"; min-height: 64px; padding-inline: var(--pad); row-gap: 2px; }
  .cmd-gh, .cmd-foot { padding-inline: var(--pad); }
  .cmd-foot { padding-bottom: env(safe-area-inset-bottom); }
}

/* 줄 2 — 주 내비 7 + 대장 요약 (캔버스 위 · 스크롤하면 지나간다, 붙는 건 줄 1 뿐) */
.hd-nav { display: none; box-shadow: inset 0 -1px 0 var(--color-hairline); }
.hd-nav > .hd-in { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-4); }
.hd-menu { display: flex; margin-left: calc(var(--spacing-3) * -1); }
.hd-menu a {
  position: relative; display: inline-flex; align-items: center; min-height: 44px; padding-inline: var(--spacing-3);
  font-size: var(--text-sm); font-weight: 500; color: var(--color-ink-2); text-decoration: none; white-space: nowrap;
  transition: color var(--duration-fast) var(--ease-out);
}
.hd-menu a[aria-current="page"] { color: var(--color-ink); font-weight: 600; }
.hd-menu a[aria-current="page"]::after { content: ""; position: absolute; left: var(--spacing-3); right: var(--spacing-3); bottom: 0; height: 2px; background: var(--color-signal); }
@media (hover: hover) { .hd-menu a:hover { color: var(--color-ink); } }
.hd-meta { display: none; font-size: var(--text-meta); line-height: 1; color: var(--color-ink-2); white-space: nowrap; }
@media (min-width: 720px) { .hd-nav { display: block; } }
@media (min-width: 1024px) { .hd-meta { display: block; } }
.btn-sm { font-size: 14px; }

/* 메뉴 시트 (<720) — 캔버스색 불투명 판 + 흰 시트. 유리 금지 */
.menu-sheet {
  position: fixed; inset: 0; z-index: 35; overflow-y: auto; overscroll-behavior: contain;
  padding: calc(var(--spacing-nav) + var(--spacing-5)) var(--pad) var(--spacing-6);
  background: var(--color-canvas);
  visibility: hidden; opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out), visibility 0s linear var(--duration-fast);
}
html[data-sheet="menu"] .menu-sheet { visibility: visible; opacity: 1; transition: opacity var(--duration-fast) var(--ease-out); }
.menu-inner {
  padding: var(--spacing-2) var(--spacing-4) var(--spacing-5);
  background: var(--color-surface); border-radius: var(--radius-sheet);
  box-shadow: 0 0 0 var(--spacing-bezel) var(--color-plate), var(--shadow-plate);
  transform: translateY(16px);
  transition: transform 280ms var(--ease-spring);
}
html[data-sheet="menu"] .menu-inner { transform: none; }
.menu-list a {
  display: flex; align-items: center; justify-content: space-between; min-height: 56px;
  font-size: var(--text-xl); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--color-hairline);
}
.menu-list a .ic { color: var(--color-ink-3); }
.menu-list a[aria-current="page"] { box-shadow: inset 2px 0 0 var(--color-signal); padding-left: var(--spacing-3); }
.menu-list li { opacity: 0; transform: translateY(6px); transition: opacity 280ms var(--ease-spring), transform 280ms var(--ease-spring); transition-delay: calc(var(--i) * 40ms); }
html[data-sheet="menu"] .menu-list li { opacity: 1; transform: none; }
.menu-cta { width: 100%; margin-top: var(--spacing-5); }
.menu-legal { display: flex; flex-wrap: wrap; gap: 0 var(--spacing-4); margin-top: var(--spacing-3); }
.menu-legal a { display: inline-flex; align-items: center; min-height: 44px; font-size: var(--text-meta); color: var(--color-ink-2); }
@media (min-width: 720px) { .menu-sheet { display: none; } }

/* ── 쪽 머리 (캔버스 위) ──────────────────────────────────────────────── */
.page-head { padding-top: var(--spacing-6); }
@media (min-width: 1024px) { .page-head { padding-top: var(--spacing-10); } }
.page-head .h1 { margin-top: var(--spacing-3); }
.crumbs { font-size: var(--text-micro); color: var(--color-ink-2); }
.crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 0 6px; }
.crumbs li { display: inline-flex; align-items: center; gap: 6px; }
.crumbs li + li::before { content: "/"; color: var(--color-ink-2); }
.crumbs a { display: inline-flex; align-items: center; min-height: 32px; text-decoration: none; color: var(--color-ink-2); }
@media (hover: hover) { .crumbs a:hover { color: var(--color-ink); text-decoration: underline; text-underline-offset: 3px; } }
.crumbs [aria-current] { color: var(--color-ink); }
@media (max-width: 719.98px) { .crumbs li:not(:nth-last-child(-n + 2)) { display: none; } .crumbs li:nth-last-child(2)::before { content: none; } }
.head-search { margin-top: var(--spacing-5); }
@media (min-width: 1024px) {
  .head-list { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 36rem); column-gap: var(--spacing-8); align-items: end; }
  .head-list > :not(.head-search) { grid-column: 1; }
  .head-list > .head-search { grid-column: 2; grid-row: 1 / span 3; align-self: end; margin-top: 0; }
}
.head-row { display: grid; gap: var(--spacing-3); }
@media (min-width: 720px) {
  .head-row { grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
  .head-row > .crumbs, .head-row > .h1, .head-row > .meta, .head-row > .lead { grid-column: 1; }
  .head-row > .seg { grid-column: 2; grid-row: 2 / span 2; align-self: end; }
}
.head-chips { margin-top: var(--spacing-4); }
.page-head + .wrap:not(.dir):not(.uc-page) { margin-top: var(--spacing-6); }
@media (max-width: 719.98px) { .head-row > .seg { justify-self: start; } }

/* ── 검색 입력 ────────────────────────────────────────────────────────── */
.search {
  position: relative; display: flex; align-items: center; gap: var(--spacing-3);
  height: 56px; padding-inline: var(--spacing-4) var(--spacing-3);
  border-radius: var(--radius-input); background: var(--color-surface);
  box-shadow: inset 0 0 0 1px var(--color-rule-strong);
  color: var(--color-ink-2); cursor: text;
  transition: box-shadow var(--duration-fast) var(--ease-out);
}
.search:focus-within { box-shadow: inset 0 0 0 1px var(--color-ink), 0 0 0 2px var(--color-surface), 0 0 0 4px var(--color-signal); }
.search input {
  flex: 1; min-width: 0; height: 100%; border: 0; background: transparent; outline: none;
  font-size: var(--text-base); color: var(--color-ink); -webkit-appearance: none; appearance: none;
}
.search input:focus-visible { box-shadow: none; }
.search input::placeholder { color: var(--color-ink-3); opacity: 1; }
.search input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
.search kbd { flex: none; }
@media (max-width: 719.98px) { .search kbd { display: none; } }
.head-search .sheet { padding: 0; }
.head-search .search { box-shadow: none; border-radius: var(--radius-sheet); height: 64px; }
.head-search .search:focus-within { box-shadow: 0 0 0 2px var(--color-surface), 0 0 0 4px var(--color-signal); }

/* ── 홈: 히어로 + 등재 대장 ───────────────────────────────────────────── */
.home-top {
  display: grid; gap: var(--spacing-5);
  grid-template-areas: "text" "reg" "photo";
  padding-top: var(--spacing-6);
}
.hero-text { grid-area: text; min-width: 0; }
.hero-photo { grid-area: photo; align-self: start; }
.registry { grid-area: reg; }
@media (min-width: 1024px) {
  .home-top {
    grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--spacing-gutter); row-gap: var(--spacing-8);
    grid-template-areas:
      "text text text text text text text photo photo photo photo photo"
      "reg reg reg reg reg reg reg reg reg reg reg reg";
    padding-top: var(--spacing-8);
  }
  .hero-text { padding-top: var(--spacing-2); }
}
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--spacing-2); height: 28px; padding-inline: var(--spacing-3);
  border-radius: var(--radius-pill); background: var(--color-surface); box-shadow: inset 0 0 0 1px var(--color-hairline);
  font-size: var(--text-micro); letter-spacing: 0.06em; color: var(--color-ink-2);
}
.eyebrow-sep { width: 1px; height: 12px; background: var(--color-hairline); }
.hero-h1 {
  margin-top: var(--spacing-4);
  font-size: var(--text-hero); line-height: var(--text-hero--line-height); letter-spacing: var(--text-hero--letter-spacing); font-weight: 700;
}
.hero-desc { margin-top: var(--spacing-4); max-width: 36em; font-size: var(--text-lg); line-height: 1.7; color: var(--color-ink-2); }
.hero-search { display: grid; gap: var(--spacing-1); margin-top: var(--spacing-4); }
@media (min-width: 720px) { .hero-search { display: none; } }
.counters { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--spacing-3); margin-top: var(--spacing-5); }
@media (min-width: 720px) { .counters { gap: var(--spacing-6); margin-top: var(--spacing-8); } }
.counter { display: flex; flex-direction: column-reverse; justify-content: flex-end; gap: var(--spacing-1); min-width: 0; }
.counter + .counter { padding-left: var(--spacing-3); box-shadow: inset 1px 0 0 var(--color-hairline); }
@media (min-width: 720px) { .counter + .counter { padding-left: var(--spacing-6); } }
.counter-n { font-size: var(--text-num); line-height: var(--text-num--line-height); letter-spacing: var(--text-num--letter-spacing); font-weight: 600; }
.counter-l { display: flex; align-items: center; gap: var(--spacing-2); font-size: var(--text-meta); color: var(--color-ink-2); white-space: nowrap; }
@media (max-width: 719.98px) { .counter-l .spark { display: none; } }

.registry > .sheet { padding-top: var(--spacing-2); }
.reg-top { display: none; }
@media (min-width: 720px) {
  .reg-top { display: grid; gap: var(--spacing-1); padding: var(--spacing-3) var(--spacing-3) 0; }
}
@media (min-width: 1200px) {
  .reg-top { grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--spacing-4); }
}
.reg-tabs { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-4); padding-inline: var(--spacing-2) var(--spacing-4); border-bottom: 1px solid var(--color-hairline); }
.reg-note { display: none; font-size: var(--text-micro); color: var(--color-ink-3); }
@media (min-width: 720px) { .reg-note { display: block; } }
.reg-note span { color: var(--color-ink); font-weight: 600; }

/* 탭 — 선택 막대 2px 신호 (Layout animation) */
.tabs { position: relative; display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; scroll-padding-inline: var(--spacing-4); min-width: 0; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  position: relative; flex: none; min-height: 48px; padding-inline: var(--spacing-3);
  border: 0; background: none; cursor: pointer;
  font-size: var(--text-sm); font-weight: 600; color: var(--color-ink-2); white-space: nowrap;
  transition: color var(--duration-fast) var(--ease-out);
}
@media (hover: hover) { .tab:hover { color: var(--color-ink); } }
.tab[aria-selected="true"] { color: var(--color-ink); }
.tab:focus-visible { box-shadow: inset 0 0 0 2px var(--color-signal); border-radius: var(--radius-input); }
.tab-bar {
  position: absolute; left: 0; bottom: 0; width: 1px; height: 2px; border-radius: 2px; background: var(--color-signal);
  transform-origin: 0 0; transform: translateX(var(--x, 0)) scaleX(var(--w, 0));
}
.tabs.is-moving .tab-bar { transition: transform var(--duration-base) var(--ease-out); }
.tabs:not(.is-ready) .tab[aria-selected="true"]::after {
  content: ""; position: absolute; left: var(--spacing-3); right: var(--spacing-3); bottom: 0; height: 2px; border-radius: 2px; background: var(--color-signal);
}
.tabs-line { border-bottom: 1px solid var(--color-hairline); margin-bottom: var(--spacing-4); }
.tab-panel:focus-visible { box-shadow: var(--shadow-focus); border-radius: var(--radius-code); }

/* ── 등재 대장 표 (시트 폭 컨테이너 질의 — ≥960 7열 · 640–959 5열 · <640 쌓임) ── */
.reg { container-type: inline-size; min-width: 0; }
.reg-head, .reg-link { display: grid; align-items: center; column-gap: var(--spacing-4); padding-inline: var(--spacing-4); }
.reg-head { display: none; min-height: 36px; background: var(--color-surface-sunk); font-size: var(--text-micro); font-weight: 600; color: var(--color-ink-3); }
.reg-link {
  grid-template-columns: auto minmax(0, 1fr) auto; row-gap: 2px;
  min-height: var(--spacing-row); padding-block: 10px;
  text-decoration: none; color: inherit; border-top: 1px solid var(--color-hairline);
  transition: background-color var(--duration-fast) var(--ease-out);
}
.reg-list > li:first-child > .reg-link { border-top: 0; }
.reg-head + .reg-list > li:first-child > .reg-link { border-top: 0; }
@media (hover: hover) {
  .reg-link:hover { background: var(--color-surface-sunk); }
  .reg-link:hover .c-port { color: var(--color-ink); }
  .reg-link:hover .nm { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
}
.reg-link:focus-visible { border-radius: 0; box-shadow: inset 0 0 0 2px var(--color-signal); }
.c-port { align-self: start; padding-top: 2px; font-size: var(--text-meta); font-weight: 500; color: var(--color-ink-3); transition: color var(--duration-fast) var(--ease-out); }
.c-name { display: block; min-width: 0; }
.nm { display: flex; align-items: center; gap: 6px; font-size: var(--text-sm); line-height: var(--text-sm--line-height); font-weight: 600; }
.nm-seal { position: relative; display: inline-flex; color: var(--color-ink); }
.nm .badge { height: 20px; }
.ln { display: block; margin-top: 1px; font-size: var(--text-meta); line-height: var(--text-meta--line-height); color: var(--color-ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.meta-inline { display: block; margin-top: 1px; font-size: var(--text-micro); color: var(--color-ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mi-lang::before, .mi-visits::before, .mi-date::before { content: " · "; }
.c-host { align-self: start; }
.c-cat, .c-lang, .c-visits, .c-date { display: none; }
.c-visits, .c-date { justify-self: end; font-size: var(--text-meta); }
.c-cat { font-size: var(--text-meta); color: var(--color-ink-2); }
.c-lang { font-size: var(--text-micro); color: var(--color-ink-2); }
.reg-head .c-visits, .reg-head .c-date { font-size: var(--text-micro); }

@container (min-width: 640px) {
  .reg-head { display: grid; }
  .reg-head, .reg-link { grid-template-columns: 56px minmax(0, 1fr) 124px 72px 88px; }
  .reg-link { padding-block: var(--spacing-2); }
  .c-port, .c-host { align-self: center; padding-top: 0; }
  .c-cat, .c-visits { display: block; }
  .reg-head .c-lang, .reg-head .c-date { display: none; }
  .mi-cat, .mi-visits { display: none; }
  .mi-lang::before { content: none; }
}
@container (min-width: 960px) {
  .reg-head, .reg-link { grid-template-columns: 56px minmax(0, 1fr) 124px 88px 72px 88px 96px; }
  .c-lang, .c-date { display: block; }
  .reg-head .c-lang, .reg-head .c-date { display: block; }
  .meta-inline { display: none; }
}

/* ── 홈 H3 순위 ───────────────────────────────────────────────────────── */
.rank-list { display: grid; padding-inline: var(--spacing-2); }
@media (min-width: 1024px) {
  .rank-list { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-flow: column; grid-template-rows: repeat(4, auto); column-gap: var(--spacing-8); padding-inline: var(--spacing-3); }
}
.rank-list > li { border-top: 1px solid var(--color-hairline); }
.rank-list > li:first-child { border-top: 0; }
@media (min-width: 1024px) { .rank-list > li:nth-child(5) { border-top: 0; } }
.rank-link {
  display: grid; grid-template-columns: 34px 40px minmax(0, 1fr) auto 36px; align-items: center; column-gap: var(--spacing-3);
  min-height: 68px; padding: var(--spacing-3) var(--spacing-2); text-decoration: none; border-radius: var(--radius-input);
  transition: background-color var(--duration-fast) var(--ease-out);
}
@media (min-width: 720px) { .rank-link { grid-template-columns: 48px 40px minmax(0, 1fr) auto 44px; column-gap: var(--spacing-4); } }
@media (hover: hover) { .rank-link:hover { background: var(--color-surface-sunk); } .rank-link:hover b { text-decoration: underline; text-underline-offset: 3px; } }
.rank-n { font-size: 28px; line-height: 1; font-weight: 600; letter-spacing: -0.04em; }
@media (max-width: 719.98px) { .rank-n { font-size: 22px; } .rank-link { grid-template-columns: 26px 32px minmax(0, 1fr) auto 30px; column-gap: var(--spacing-2); padding-inline: var(--spacing-1); } .rank-link .mg { width: 32px; height: 32px; font-size: 14px; } }
.rank-name { min-width: 0; display: grid; }
.rank-name b { font-size: var(--text-sm); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mono-meta { font-size: var(--text-micro); color: var(--color-ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-v { display: grid; justify-items: end; gap: 2px; font-size: var(--text-meta); }
@media (min-width: 720px) { .rank-v { display: flex; align-items: center; gap: var(--spacing-3); } }

/* ── 사양 매트릭스 ────────────────────────────────────────────────────── */
.matrix-scroll { position: relative; overflow-x: auto; scroll-padding-inline: 132px 16px; border-radius: var(--radius-sheet); }
.matrix-scroll:focus-visible { box-shadow: inset 0 0 0 2px var(--color-signal); }
.matrix { width: 100%; border-collapse: separate; border-spacing: 0; font-size: var(--text-sm); }
.matrix th, .matrix td { height: 48px; padding: 0 var(--spacing-3); border-bottom: 1px solid var(--color-hairline); text-align: center; white-space: nowrap; }
.matrix tbody tr:last-child > * { border-bottom: 0; }
.matrix thead th { height: 40px; background: var(--color-surface-sunk); font-size: var(--text-micro); font-weight: 600; color: var(--color-ink-3); }
.matrix thead th:first-child { border-top-left-radius: var(--radius-sheet); }
.matrix thead th:last-child { border-top-right-radius: var(--radius-sheet); }
.matrix td[data-col], .matrix th[data-col] { width: 64px; min-width: 52px; }
@media (min-width: 1024px) { .matrix:not(.matrix-full) [data-col] { width: 11%; } .matrix:not(.matrix-full) .m-plat { width: 14%; } .matrix-full [data-col] { width: 8.5%; } }
.m-plat { text-align: left !important; }
.m-sub { display: none; }
@media (max-width: 719.98px) {
  .matrix-full .m-plat { display: none; }
  .matrix-full .m-name { display: grid; gap: 0; }
  .matrix-full .m-name .badge { display: none; }
  .m-sub { display: block; font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-3); }
}
.m-first { position: sticky; left: 0; z-index: 1; text-align: left !important; background: var(--color-surface); }
.matrix thead .m-first { background: var(--color-surface-sunk); }
.m-first a { display: flex; align-items: center; gap: var(--spacing-3); min-height: 44px; text-decoration: none; font-weight: 600; }
.m-name { display: inline-flex; align-items: center; gap: var(--spacing-2); }
.m-port { font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-3); min-width: 40px; }
.matrix:not(.matrix-full) .m-name { display: grid; gap: 0; }
.matrix:not(.matrix-full) .m-port { min-width: 0; }
.m-plat, .m-date { font-size: var(--text-meta); color: var(--color-ink-2); }
@media (hover: hover) { .matrix tbody tr:hover > * { background: var(--color-surface-sunk); } .matrix tbody tr:hover .m-first a { text-decoration: underline; text-underline-offset: 3px; } }
@media (max-width: 719.98px) {
  .m-first { min-width: 132px; max-width: 150px; }
  .m-first .mg { display: none; }
  .matrix-full .m-port { display: none; }
  .matrix:not(.matrix-full) .m-name { font-size: var(--text-meta); }
}
.col-btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 36px; padding-inline: var(--spacing-2);
  border: 0; border-radius: var(--radius-input); background: none; cursor: pointer;
  font-size: var(--text-micro); font-weight: 600; color: var(--color-ink-3);
}
@media (hover: hover) { .col-btn:hover { color: var(--color-ink); background: var(--color-surface); } }
.col-btn[aria-pressed="true"] { color: var(--color-ink); background: var(--color-surface); box-shadow: inset 0 -2px 0 var(--color-ink); }
/* #col= — 열 전체 오목 면 (신호 면 아님) */
.matrix[data-col-on="tools"] [data-col="tools"], .matrix[data-col-on="resources"] [data-col="resources"],
.matrix[data-col-on="prompts"] [data-col="prompts"], .matrix[data-col-on="sampling"] [data-col="sampling"],
.matrix[data-col-on="roots"] [data-col="roots"], .matrix[data-col-on="remote"] [data-col="remote"],
.matrix[data-col-on="oauth"] [data-col="oauth"] { background: var(--color-surface-sunk); }

/* ── 활용 사례 ────────────────────────────────────────────────────────── */
.ph-in { border-radius: var(--radius-input); }
.uc-duo { display: grid; gap: var(--spacing-2); padding: var(--spacing-2); }
@media (min-width: 1024px) { .uc-duo { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--spacing-6); padding: var(--spacing-3); } }
.uc-big { display: grid; gap: var(--spacing-2); padding: var(--spacing-2); text-decoration: none; border-radius: var(--radius-input); }
.uc-big .ph, .uc-big .media { margin-bottom: var(--spacing-2); }
.uc-meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-2); }
.uc-date { font-size: var(--text-micro); color: var(--color-ink-3); }
.uc-title { font-size: var(--text-xl); line-height: var(--text-xl--line-height); font-weight: 700; letter-spacing: -0.015em; }
.uc-team, .uc-team-sm { display: inline-flex; align-items: center; gap: var(--spacing-2); font-size: var(--text-meta); color: var(--color-ink-2); }
.uc-small { display: grid; align-content: start; }
@media (min-width: 1024px) { .uc-small { grid-template-rows: 1fr 1fr; align-content: stretch; } .uc-small > li { display: grid; } .uc-row { align-content: center; } }
.uc-line-sm { font-size: var(--text-meta); line-height: 1.6; }
@media (max-width: 719.98px) { .uc-line-sm, .uc-small .port-row { display: none; } }
.uc-small > li + li { border-top: 1px solid var(--color-hairline); }
.uc-row { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: var(--spacing-4); align-items: start; padding: var(--spacing-3) var(--spacing-2); text-decoration: none; border-radius: var(--radius-input); }
@media (min-width: 720px) { .uc-row { grid-template-columns: 200px minmax(0, 1fr); gap: var(--spacing-5); } }
.uc-row-text { display: grid; gap: var(--spacing-1); min-width: 0; }
.uc-title-sm { font-size: var(--text-base); line-height: 1.45; font-weight: 700; }
.uc-line { font-size: var(--text-sm); line-height: 1.6; color: var(--color-ink-2); }
@media (hover: hover) {
  .uc-big:hover .uc-title, .uc-row:hover .uc-title-sm, .uc-list-row:hover .uc-title-sm, .uc-feature-link:hover .uc-feature-title { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
}
.uc-row-flat { padding-inline: 0; }

/* 자리표시자 — 오목 면 + 옅은 빗금 + 가운데 비율·id·용도 (결함처럼 비어 보이지 않게) */
.ph {
  position: relative; display: grid; place-items: center; width: 100%; overflow: hidden;
  border-radius: var(--radius-sheet);
  background-color: var(--color-surface-sunk);
  background-image: repeating-linear-gradient(135deg, transparent 0 13px, var(--color-hairline) 13px 14px);
}
.ph::before, .ph::after {
  content: ""; position: absolute; width: 14px; height: 14px; border-color: var(--color-rule-strong); border-style: solid; border-width: 0;
}
.ph::before { left: 12px; top: 12px; border-left-width: 1.5px; border-top-width: 1.5px; }
.ph::after { right: 12px; bottom: 12px; border-right-width: 1.5px; border-bottom-width: 1.5px; }
.ph-tag {
  display: grid; gap: 2px; justify-items: center; max-width: calc(100% - 48px); padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-input); background: var(--color-surface); box-shadow: inset 0 0 0 1px var(--color-hairline);
  text-align: center;
}
.ph-id { font-size: var(--text-micro); letter-spacing: 0.04em; color: var(--color-ink-2); font-weight: 600; }
.ph-use { font-size: var(--text-meta); line-height: 1.45; color: var(--color-ink-2); }
.ph-sm::before, .ph-sm::after { display: none; }
.ph-sm .ph-use { display: none; }
.ph-sm .ph-tag { max-width: calc(100% - 16px); padding: 2px var(--spacing-2); }
.media { width: 100%; height: auto; object-fit: cover; background: var(--color-surface-sunk); }

/* ── 글 목록 행 ───────────────────────────────────────────────────────── */
.post-list > li + li { border-top: 1px solid var(--color-hairline); }
.post-row {
  display: grid; grid-template-columns: 52px minmax(0, 1fr) auto; column-gap: var(--spacing-3); row-gap: var(--spacing-3); align-items: start;
  padding: var(--spacing-4); text-decoration: none; transition: background-color var(--duration-fast) var(--ease-out);
}
@media (min-width: 720px) { .post-row { grid-template-columns: 96px minmax(0, 1fr) auto; column-gap: var(--spacing-4); } }
.tray > .sheet > .post-list > li:first-child .post-row { border-radius: var(--radius-sheet) var(--radius-sheet) 0 0; }
@media (hover: hover) { .post-row:hover { background: var(--color-surface-sunk); } .post-row:hover .post-title { text-decoration: underline; text-underline-offset: 3px; } }
.post-date { padding-top: 2px; font-size: var(--text-meta); color: var(--color-ink-3); }
.post-main { display: grid; gap: var(--spacing-1); min-width: 0; }
.post-type { display: flex; }
.post-title { font-size: 17px; line-height: 1.45; font-weight: 600; }
.post-lead { font-size: var(--text-sm); line-height: 1.6; color: var(--color-ink-2); }
.post-read { padding-top: 2px; font-size: var(--text-meta); color: var(--color-ink-3); }
.post-cover { grid-column: 1 / -1; grid-row: 1; }
.post-row.has-cover .post-date, .post-row.has-cover .post-main, .post-row.has-cover .post-read { grid-row: 2; }
@media (min-width: 720px) {
  .post-row.has-cover { grid-template-columns: 96px minmax(0, 1fr) auto 200px; }
  .post-cover { grid-column: 4; grid-row: 1; width: 200px; }
  .post-row.has-cover .post-date, .post-row.has-cover .post-main, .post-row.has-cover .post-read { grid-row: 1; }
}

/* ── 주간 포트 띠 ─────────────────────────────────────────────────────── */
.band {
  display: grid; gap: var(--spacing-4); padding: var(--spacing-6) var(--spacing-5);
  border-radius: var(--radius-plate); background: var(--color-plate); box-shadow: var(--shadow-plate);
}
@media (min-width: 1024px) { .band { grid-template-columns: minmax(0, 1fr) auto; align-items: center; padding: var(--spacing-8) var(--spacing-10); } }
.band-h { font-size: var(--text-xl); line-height: var(--text-xl--line-height); font-weight: 700; }
.band-text p { margin-top: var(--spacing-1); color: var(--color-ink-2); }
.band-form { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-3); }
@media (min-width: 1024px) { .band-form { flex-wrap: nowrap; } .band-form .field-wrap { flex: 0 0 300px; } }
.field-wrap { flex: 1 1 240px; display: block; min-width: 0; }
.field {
  width: 100%; height: 48px; padding-inline: var(--spacing-4);
  border: 0; border-radius: var(--radius-input); background: var(--color-surface);
  box-shadow: inset 0 0 0 1px var(--color-rule-strong); font-size: var(--text-base);
  -webkit-appearance: none; appearance: none;
}
.field::placeholder { color: var(--color-ink-3); opacity: 1; }
.field:focus-visible { box-shadow: inset 0 0 0 1px var(--color-ink), var(--shadow-focus); }
.band-slim { margin-top: var(--spacing-6); padding-block: var(--spacing-5); }
@media (min-width: 1024px) { .band-slim { padding-block: var(--spacing-6); } }

/* ── 꼬리 (먹 시트) ───────────────────────────────────────────────────── */
.foot { margin-top: var(--spacing-section); padding-bottom: var(--spacing-4); }
.foot-sheet {
  padding: var(--spacing-8) var(--spacing-5) var(--spacing-5);
  border-radius: var(--radius-sheet); background: var(--color-code-bg); color: var(--color-on-dark);
}
@media (min-width: 1024px) { .foot-sheet { padding: var(--spacing-10) var(--spacing-10) var(--spacing-6); } }
.foot-top {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-2) var(--spacing-6);
  padding-bottom: var(--spacing-6); border-bottom: 1px solid color-mix(in oklab, var(--color-on-dark) 14%, transparent);
}
.foot-brand { display: inline-flex; align-items: center; gap: var(--spacing-2); min-height: 44px; font-weight: 600; text-decoration: none; }
.foot-brand .logo { color: var(--color-on-dark); }
.foot-line { color: var(--color-on-dark-2); font-size: var(--text-sm); }
.foot-news { display: inline-flex; align-items: center; gap: var(--spacing-1); min-height: 44px; margin-left: auto; font-weight: 600; font-size: var(--text-sm); text-underline-offset: 3px; }
.foot-cols { display: grid; gap: var(--spacing-6); padding-block: var(--spacing-8); }
@media (min-width: 720px) { .foot-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .foot-cols { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.foot-h { margin-bottom: var(--spacing-2); font-family: var(--font-mono); font-size: var(--text-micro); font-weight: 500; letter-spacing: 0.06em; color: var(--color-on-dark-2); }
.foot-col a { display: inline-flex; align-items: center; min-width: 44px; min-height: 44px; font-size: var(--text-sm); text-decoration: none; }
@media (min-width: 1024px) { .foot-col a { min-height: 36px; } }
@media (hover: hover) { .foot-col a:hover, .foot-news:hover { text-decoration: underline; text-underline-offset: 3px; } }
.foot a:focus-visible { box-shadow: 0 0 0 2px var(--color-code-bg), 0 0 0 4px var(--color-code-key); }
.notice {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--spacing-3); align-items: start;
  padding: var(--spacing-4); border-radius: var(--radius-input);
  box-shadow: inset 0 0 0 1px var(--color-on-dark-2);
  scroll-margin-top: var(--spacing-8);
}
.notice:focus { outline: none; }
.notice-ic { margin-top: 2px; color: var(--color-on-dark); }
.notice-main { display: block; font-size: var(--text-sm); line-height: 1.6; font-weight: 500; color: var(--color-on-dark); }
.notice-sub { display: block; margin-top: var(--spacing-1); font-size: var(--text-meta); color: var(--color-on-dark-2); }
.notice.is-flash { animation: notice-flash var(--duration-max) var(--ease-out) 1; }
@keyframes notice-flash {
  from { background: color-mix(in oklab, var(--color-on-dark) 18%, transparent); }
  to { background: transparent; }
}
.foot-copy { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--spacing-2) var(--spacing-4); margin-top: var(--spacing-5); font-size: var(--text-micro); color: var(--color-on-dark-2); }
.foot-copy a { color: var(--color-on-dark-2); text-underline-offset: 3px; display: inline-flex; align-items: center; min-height: 44px; }

/* ── 서버 목록: 필터 레일 · 목록 시트 ──────────────────────────────────── */
.dir { display: grid; gap: var(--spacing-5); margin-top: var(--spacing-5); }
@media (min-width: 1024px) {
  .dir { grid-template-columns: var(--spacing-rail) minmax(0, 1fr); column-gap: var(--spacing-8); align-items: start; margin-top: var(--spacing-6); }
}
.fgroup { padding-block: var(--spacing-2); }
.fgroup + .fgroup { border-top: 1px solid var(--color-hairline); }
.fgroup-h { padding: var(--spacing-2) var(--spacing-4) var(--spacing-1); font-size: var(--text-micro); font-weight: 600; color: var(--color-ink-3); letter-spacing: 0.02em; }
.tog {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-3);
  width: 100%; min-height: 44px; padding-inline: var(--spacing-4);
  border: 0; background: none; cursor: pointer; text-align: left;
  font-size: var(--text-sm); color: var(--color-ink-2);
  transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
@media (hover: hover) { .tog:hover { background: var(--color-surface-sunk); color: var(--color-ink); } }
.tog-n { font-size: var(--text-micro); color: var(--color-ink-3); }
.tog[aria-pressed="true"] { color: var(--color-ink); font-weight: 600; }
.tog[aria-pressed="true"]::before { content: ""; position: absolute; left: 0; top: 10px; bottom: 10px; width: 2px; border-radius: 2px; background: var(--color-signal); }
.tog:focus-visible { border-radius: 0; box-shadow: inset 0 0 0 2px var(--color-signal); }
.filters-clear { padding: var(--spacing-1) var(--spacing-4) var(--spacing-2); border-top: 1px solid var(--color-hairline); }
.filters-head { display: none; }
.filters-foot { display: none; }
@media (min-width: 1024px) {
  .filters { position: sticky; top: var(--spacing-sticky-top); }
  .filters > .sheet { max-height: calc(100svh - var(--spacing-sticky-top) - var(--spacing-4)); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; }
  .tog { min-height: 34px; }
  .fgroup { padding-block: var(--spacing-1); }
}
@media (max-width: 1023.98px) {
  .filters {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; height: 85svh;
    padding: var(--spacing-bezel) var(--spacing-bezel) 0; border-radius: var(--radius-plate) var(--radius-plate) 0 0;
    transform: translateY(100%); visibility: hidden;
    transition: transform 280ms var(--ease-spring), visibility 0s linear 280ms;
  }
  html[data-sheet="filters"] .filters { transform: none; visibility: visible; transition: transform 280ms var(--ease-spring); }
  .filters > .sheet { display: flex; flex-direction: column; height: 100%; border-radius: var(--radius-sheet) var(--radius-sheet) 0 0; }
  .filters-head { display: flex; align-items: center; justify-content: space-between; padding: var(--spacing-2) var(--spacing-2) var(--spacing-2) var(--spacing-5); border-bottom: 1px solid var(--color-hairline); }
  .filters-title { font-size: var(--text-lg); font-weight: 700; }
  .filters-body { flex: 1; overflow-y: auto; overscroll-behavior: contain; }
  .filters-foot { display: block; padding: var(--spacing-3) var(--spacing-4) calc(var(--spacing-3) + env(safe-area-inset-bottom)); border-top: 1px solid var(--color-hairline); }
}
.scrim {
  position: fixed; inset: 0; z-index: 45; background: color-mix(in oklab, var(--color-ink) 42%, transparent);
  opacity: 0; visibility: hidden; transition: opacity var(--duration-base) var(--ease-out), visibility 0s linear var(--duration-base);
}
html[data-sheet="filters"] .scrim { opacity: 1; visibility: visible; transition: opacity var(--duration-base) var(--ease-out); }
@media (min-width: 1024px) { .scrim { display: none; } }

.list-head { padding: var(--spacing-3) var(--spacing-4); border-bottom: 1px solid var(--color-hairline); }
.list-head-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-3); justify-content: space-between; }
.count { font-size: var(--text-meta); font-weight: 600; }
.count-wrap { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px var(--spacing-3); min-width: 0; }
.list-note-inline { margin-top: 0; }
.list-note-foot { margin: 0; padding: var(--spacing-3) var(--spacing-4) 0; border-top: 1px solid var(--color-hairline); }
@media (max-width: 1199.98px) { .list-note-inline { display: none; } }
@media (min-width: 1200px) { .list-note-foot { display: none; } }
@media (max-width: 1199.98px) { .list-note-foot + .pager { border-top: 0; } }
.list-note { margin-top: var(--spacing-2); font-size: var(--text-micro); color: var(--color-ink-3); }
.btn-filter { gap: var(--spacing-2); }
.filter-n { display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding-inline: 5px; border-radius: var(--radius-pill); background: var(--color-ink); color: var(--color-surface); font-size: var(--text-micro); }
@media (min-width: 1024px) { .btn-filter { display: none; } }
.chips-on { display: flex; flex-wrap: wrap; gap: 0 var(--spacing-2); margin-top: var(--spacing-1); }
.chip-on .chip { gap: var(--spacing-1); padding-right: var(--spacing-2); }
.p-servers .list-head-row { row-gap: var(--spacing-2); }
@media (max-width: 719.98px) {
  .p-servers .list-head-row .count { flex: 1 1 auto; }
  .p-servers .list-head-row .seg { order: 3; flex: 1 1 100%; }
}

/* 세그먼트 — 선택 = 먹 면 */
.seg {
  display: inline-flex; gap: 2px; padding: 3px; max-width: 100%; overflow-x: auto; scrollbar-width: none;
  border-radius: var(--radius-pill); box-shadow: inset 0 0 0 1px var(--color-rule-strong);
}
.seg::-webkit-scrollbar { display: none; }
.seg button {
  flex: none; min-height: 38px; padding-inline: var(--spacing-3); border: 0; border-radius: var(--radius-pill);
  background: none; cursor: pointer; white-space: nowrap;
  font-size: var(--text-meta); font-weight: 600; color: var(--color-ink-2);
  transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
@media (hover: hover) { .seg button:hover { color: var(--color-ink); } }
.seg button[aria-pressed="true"] { background: var(--color-ink); color: var(--color-surface); }
.seg button:focus-visible { box-shadow: inset 0 0 0 2px var(--color-signal); }

/* 페이지네이션 — 현재 = 먹 면 · <480 압축형 */
.pager { display: flex; justify-content: center; padding: var(--spacing-3) var(--spacing-4) var(--spacing-4); border-top: 1px solid var(--color-hairline); }
.pager-full, .pager-compact { display: flex; align-items: center; gap: var(--spacing-1); }
.pager-compact { display: none; width: 100%; justify-content: space-between; }
@media (max-width: 479.98px) { .pager-full { display: none; } .pager-compact { display: flex; } }
.pg {
  display: inline-grid; place-items: center; min-width: 44px; height: 44px; padding-inline: var(--spacing-2);
  border: 0; border-radius: var(--radius-pill); background: none; cursor: pointer; font-size: 14px; color: var(--color-ink-2);
}
@media (hover: hover) { .pg:not([disabled]):hover { background: var(--color-surface-sunk); color: var(--color-ink); } }
.pg[aria-current="page"] { background: var(--color-ink); color: var(--color-surface); font-weight: 600; }
.pg[disabled], .pg-text[disabled] { color: var(--color-rule-strong); cursor: default; }
.pg-gap { display: inline-grid; place-items: center; width: 28px; color: var(--color-ink-3); }
.pg-text { display: inline-flex; align-items: center; gap: var(--spacing-1); min-height: 44px; padding-inline: var(--spacing-3); border: 0; border-radius: var(--radius-pill); background: none; cursor: pointer; font-size: var(--text-sm); font-weight: 600; }
.pg-of { font-size: var(--text-sm); }
.reg-demo { display: grid; justify-items: center; gap: var(--spacing-3); padding: var(--spacing-10) var(--spacing-4); text-align: center; color: var(--color-ink-2); border-top: 1px solid var(--color-hairline); }

/* 빈 상태 */
.empty { display: grid; justify-items: center; gap: var(--spacing-3); padding: var(--spacing-12) var(--spacing-5); text-align: center; }
.empty-h { font-size: var(--text-lg); font-weight: 700; }
.empty-p { max-width: 30em; color: var(--color-ink-2); font-size: var(--text-sm); }
.empty .chip-row { justify-content: center; }
.empty-inline { justify-items: start; text-align: left; padding: var(--spacing-5); border-radius: var(--radius-input); background: var(--color-surface-sunk); }

/* ── 상세 (서버·클라이언트) ───────────────────────────────────────────── */
.detail-top { padding-top: var(--spacing-6); }
.detail-head { margin-top: var(--spacing-3); }
.dh-grid { display: grid; gap: var(--spacing-4); padding: var(--spacing-5); }
@media (min-width: 1024px) { .dh-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); column-gap: var(--spacing-gutter); padding: var(--spacing-6) var(--spacing-8) var(--spacing-5); } }
.dh-port { display: grid; align-content: start; gap: var(--spacing-2); }
.port-big { font-size: var(--text-port); line-height: var(--text-port--line-height); font-weight: 600; letter-spacing: -0.04em; margin-left: -0.04em; }
.port-big .pc { margin-right: -0.14em; }
.dh-reg { font-size: var(--text-meta); color: var(--color-ink-3); }
.dh-main { display: grid; align-content: start; gap: var(--spacing-3); min-width: 0; }
.dh-title { display: flex; align-items: center; gap: var(--spacing-4); }
.dh-h1 { font-size: var(--text-3xl); line-height: var(--text-3xl--line-height); font-weight: 700; letter-spacing: -0.025em; }
.dh-slug { font-size: var(--text-meta); color: var(--color-ink-3); margin-top: 2px; }
.dh-line { font-size: var(--text-lg); line-height: var(--text-lg--line-height); color: var(--color-ink-2); }
.dh-badges { display: flex; flex-wrap: wrap; gap: var(--spacing-2); }
.dh-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-2); margin-top: var(--spacing-1); }
@media (max-width: 719.98px) {
  .dh-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dh-actions > .copy-wrap:first-child { grid-column: 1 / -1; }
  .dh-actions .btn { width: 100%; }
  .dh-title .mg-64 { width: 48px; height: 48px; font-size: 20px; }
}
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--color-hairline); }
@media (min-width: 1024px) { .facts { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.fact { display: grid; gap: 2px; align-content: start; padding: var(--spacing-3) var(--spacing-5); box-shadow: inset 1px 0 0 var(--color-hairline), inset 0 1px 0 var(--color-hairline); }
.fact:nth-child(-n + 2) { box-shadow: inset 1px 0 0 var(--color-hairline); }
.fact:nth-child(2n + 1) { box-shadow: inset 0 1px 0 var(--color-hairline); }
.fact:first-child { box-shadow: none; }
@media (min-width: 1024px) {
  .fact { box-shadow: inset 1px 0 0 var(--color-hairline), inset 0 1px 0 var(--color-hairline); padding-inline: var(--spacing-6); }
  .fact:nth-child(-n + 4) { box-shadow: inset 1px 0 0 var(--color-hairline); }
  .fact:nth-child(4n + 1) { box-shadow: inset 0 1px 0 var(--color-hairline); }
  .fact:first-child { box-shadow: none; }
}
.fact dt { font-size: var(--text-micro); color: var(--color-ink-3); letter-spacing: 0.02em; }
.fact dd { display: flex; flex-wrap: wrap; align-items: center; gap: 4px var(--spacing-2); font-size: var(--text-sm); font-weight: 600; }
.fact-sub { font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-3); }
/* 1440×900 첫 화면에 설치 탭 머리까지(wireframe §6-3·4, qa-1 P1-1) — 머리 시트·사실 띠를 조인다. 모바일(390 첫 화면)은 그대로 둔다.
   dt·dd 가 본문 행간(1.7 = 27px)을 물려받아 한 칸이 81px 이었다 → 글자 크기 토큰의 행간으로 64px */
@media (min-width: 1024px) {
  .dh-main { gap: var(--spacing-2); }
  .dh-slug { line-height: var(--text-meta--line-height); }
  .fact dt { line-height: var(--text-micro--line-height); }
  .fact dd { line-height: var(--text-sm--line-height); }
}

.detail-body { display: grid; gap: var(--spacing-5); margin-top: var(--spacing-5); }
/* 상세 레일 sticky — 서버 상세 레일은 877px(지원 6 + 연결도 + 관련 5). 1440×900 의 창(900 − 96 − 16 = 788)보다 길어 붙이면 안에서 스크롤된다 → 높이 ≥940 에서만 붙인다(940–988 은 안에서 49px 스크롤, ≥989 는 다 들어간다). 붙지 않을 때는 높이를 자르지 않는다. 클라이언트 상세 레일은 528px 라 ≥660 이면 붙는다 */
@media (min-width: 1024px) and (min-height: 940px) {
  .detail-body .rail { position: sticky; top: var(--spacing-sticky-top); }
  .detail-body .rail > .tray > .sheet { max-height: calc(100svh - var(--spacing-sticky-top) - var(--spacing-4)); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; }
}
@media (min-width: 1024px) and (min-height: 660px) { .p-client .detail-body .rail { position: sticky; top: var(--spacing-sticky-top); } }
@media (min-width: 1024px) {
  .detail-body { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); column-gap: var(--spacing-gutter); align-items: start; margin-top: var(--spacing-5); }
  /* 상세 본문 시트는 쪽 머리 바로 아래라 여백을 한 단계 줄이고, 행동이 없는 절 머리는 44 를 비워 두지 않는다(행동이 있으면 행동이 높이를 정한다) */
  .detail-body .sec-sheet { padding: var(--spacing-5); }
  .detail-body .sec-sheet > .sec-head { min-height: 0; }
  .rail-article > .tray > .sheet { max-height: calc(100svh - var(--spacing-sticky-top) - var(--spacing-4)); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; }
}
.stack { display: grid; gap: var(--spacing-5); min-width: 0; }
.sec-sheet { padding: var(--spacing-5) var(--spacing-4); container-type: inline-size; }
@media (min-width: 720px) { .sec-sheet { padding: var(--spacing-6); } }
.sec-sheet > .sec-head { margin-bottom: var(--spacing-3); min-height: 44px; }
.sec-sheet .h2 { font-size: min(var(--text-2xl), 1.625rem); line-height: 1.3; }
.sec-sheet .h3 { margin: var(--spacing-8) 0 var(--spacing-3); }
.sec-note { font-size: var(--text-meta); color: var(--color-ink-3); }
.sec-sheet .sheet-foot { border-top: 0; padding-inline: 0; }
.prose { display: grid; gap: var(--spacing-4); max-width: var(--spacing-measure); }
.prose p { line-height: 1.8; }
.prose strong { font-weight: 700; }
.prose :not(pre) > code, .inline-code { padding: 1px 6px; border-radius: 4px; background: var(--color-surface-sunk); font-family: var(--font-mono); font-size: 0.9em; }
.endpoint { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-2) var(--spacing-3); padding: var(--spacing-3) var(--spacing-4); border-radius: var(--radius-input); background: var(--color-surface-sunk); }
.ep-label { font-size: var(--text-micro); color: var(--color-ink-3); }
.endpoint code { padding: 0; background: none; font-size: var(--text-sm); overflow-wrap: anywhere; }
/* 엔드포인트는 개요 절 머리 오른쪽 — 한 줄로 들어가는 폭에서는 복사 버튼 높이(36)만 쓴다 */
@media (min-width: 720px) { .sec-head > .endpoint { padding: 0 0 0 var(--spacing-3); } }
@media (max-width: 719.98px) { .endpoint code { font-size: var(--text-micro); } }

/* 코드 블록 — 먹 시트 */
.code { overflow: hidden; border-radius: var(--radius-code); background: var(--color-code-bg); color: var(--color-on-dark); }
.code + .code, .fig + .code { margin-top: var(--spacing-4); }
.code-head {
  display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-3); min-height: 48px;
  padding: 0 var(--spacing-1) 0 var(--spacing-4); border-bottom: 1px solid color-mix(in oklab, var(--color-on-dark) 12%, transparent);
}
.code-file { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--text-micro); color: var(--color-on-dark-2); }
.code-actions { display: flex; align-items: center; flex: none; }
.code pre { overflow-x: auto; padding: var(--spacing-4) var(--spacing-5) var(--spacing-5); font-family: var(--font-mono); font-size: 13px; line-height: 1.75; tab-size: 2; }
.code pre:focus-visible { box-shadow: inset 0 0 0 2px var(--color-code-key); border-radius: 0; }
.code .k { color: var(--color-code-key); }
.code .s { color: var(--color-code-str); }
.code .n { color: var(--color-code-num); }
.code .f { color: var(--color-code-fn); }
.code .c, .code .p { color: var(--color-code-dim); }
.copy-wrap { position: relative; display: inline-flex; align-items: center; gap: var(--spacing-2); }
.code-actions .copy-wrap { flex-direction: row-reverse; }
.copy {
  display: inline-flex; align-items: center; gap: 6px; min-width: 44px; min-height: 44px; padding-inline: var(--spacing-3);
  border: 0; border-radius: var(--radius-input); background: none; cursor: pointer;
  font-size: var(--text-meta); font-weight: 600; color: var(--color-on-dark-2);
}
@media (hover: hover) { .copy:hover { color: var(--color-on-dark); background: color-mix(in oklab, var(--color-on-dark) 8%, transparent); } }
.copy:focus-visible { box-shadow: inset 0 0 0 2px var(--color-code-key); }
.copy-light { color: var(--color-ink-2); min-height: 36px; }
@media (hover: hover) { .copy-light:hover { color: var(--color-ink); background: var(--color-surface); } }
.copy-light:focus-visible { box-shadow: var(--shadow-focus); }
[data-js="copy"] .ic-check { display: none; }
[data-js="copy"].is-done .ic-copy { display: none; }
[data-js="copy"].is-done .ic-check { display: inline-block; }
.copy.is-done .ic-check { color: var(--color-code-key); }
.copy-light.is-done .ic-check { color: var(--color-signal); }
.copied {
  display: inline-flex; align-items: center; gap: 4px; height: 24px; padding-inline: 10px;
  border-radius: var(--radius-pill); background: var(--color-signal-surface); color: var(--color-signal);
  font-size: var(--text-micro); font-weight: 600; white-space: nowrap;
  animation: pop-in 180ms var(--ease-out) 1;
}
.copied.is-out { animation: fade-out var(--duration-fast) var(--ease-out) 1 forwards; }
@keyframes pop-in { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: none; } }
@keyframes fade-out { to { opacity: 0; } }

/* 표 (도구·호환·기능) — 시트 폭 질의로 좁으면 쌓인 행 */
.tbl-wrap { position: relative; container-type: inline-size; }
.tbl { width: 100%; font-size: var(--text-sm); }
.tbl th { height: 40px; padding: 0 var(--spacing-3); background: var(--color-surface-sunk); text-align: left; font-size: var(--text-micro); font-weight: 600; color: var(--color-ink-3); white-space: nowrap; }
.tbl th:first-child { border-radius: var(--radius-input) 0 0 var(--radius-input); }
.tbl th:last-child { border-radius: 0 var(--radius-input) var(--radius-input) 0; }
.tbl td { padding: var(--spacing-3); border-bottom: 1px solid var(--color-hairline); vertical-align: middle; }
.tbl tbody tr:last-child td { border-bottom: 0; }
.t-name { font-size: var(--text-meta); font-weight: 600; white-space: nowrap; }
.t-name-sans { font-weight: 600; white-space: nowrap; }
.t-args { font-size: var(--text-micro); color: var(--color-ink-2); white-space: nowrap; }
.t-desc { color: var(--color-ink-2); }
.t-port, .t-date { font-size: var(--text-meta); color: var(--color-ink-3); white-space: nowrap; }
.t-cat { font-size: var(--text-meta); color: var(--color-ink-2); white-space: nowrap; }
.t-link { font-weight: 600; text-decoration: none; }
@media (hover: hover) { .t-link:hover { text-decoration: underline; text-underline-offset: 3px; } }
@container (max-width: 559px) {
  .tbl thead { display: none; }
  .tbl, .tbl tbody { display: block; }
  .tbl tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px var(--spacing-3); padding: var(--spacing-3) 0; border-bottom: 1px solid var(--color-hairline); }
  .tbl tbody tr:last-child { border-bottom: 0; }
  .tbl td { display: block; padding: 0; border: 0; }
  .tbl-tools .t-name { grid-column: 1; }
  .tbl-tools .t-perm { grid-column: 2; grid-row: 1; }
  .tbl-tools .t-desc, .tbl-tools .t-args { grid-column: 1 / -1; }
  .tbl-tools .t-args::before { content: "인자 "; font-family: var(--font-sans); color: var(--color-ink-3); }
  .tbl-small td:first-child { grid-column: 1; }
  .tbl-small td:nth-child(2) { grid-column: 2; grid-row: 1; }
  .tbl-small .t-desc { grid-column: 1 / -1; }
  .tbl-feat tr { grid-template-columns: minmax(0, 1fr) auto; }
  .tbl-feat .t-desc { grid-column: 1 / -1; font-size: var(--text-meta); }
  .tbl-compat tr { grid-template-columns: auto minmax(0, 1fr) auto; column-gap: var(--spacing-3); }
  .tbl-compat .t-cat { grid-column: 2; }
  .tbl-compat td:nth-child(4) { grid-column: 3; grid-row: 1; }
  .tbl-compat .t-date { grid-column: 3; text-align: right; }
}

/* 단계 · 콜아웃 · 타임라인 */
.steps { display: grid; gap: var(--spacing-3); counter-reset: none; }
.steps li { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: var(--spacing-3); align-items: start; }
.step-n { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--color-surface-sunk); font-size: var(--text-meta); font-weight: 600; }
.steps p { padding-top: 2px; }
.callout { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--spacing-1) var(--spacing-3); margin-top: var(--spacing-5); padding: var(--spacing-4); border-radius: var(--radius-input); background: var(--color-surface-sunk); }
.callout > .ic { margin-top: 2px; }
.callout-h { font-weight: 700; }
.callout-p { grid-column: 2; font-size: var(--text-sm); line-height: 1.7; color: var(--color-ink); }
.callout-caution { background: var(--color-caution-surface); }
.callout-caution > .ic, .callout-caution .callout-h { color: var(--color-caution); }
.timeline > li { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: var(--spacing-4); padding-block: var(--spacing-3); border-top: 1px solid var(--color-hairline); }
.timeline > li:first-child { border-top: 0; padding-top: 0; }
.tl-v { font-size: var(--text-meta); font-weight: 600; padding-top: 1px; }
.tl-body { display: grid; gap: 2px; }
.tl-meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-2); font-size: var(--text-micro); color: var(--color-ink-3); }
.tl-text { font-size: var(--text-sm); }

/* 레일 (지원·연결도·관련) */
.rail > .tray > .sheet { padding: var(--spacing-2) var(--spacing-2) var(--spacing-1); }
.rail-block { padding: var(--spacing-3) var(--spacing-2) var(--spacing-2); }
.rail-block + .rail-block { border-top: 1px solid var(--color-hairline); }
.rail-h { display: flex; align-items: baseline; justify-content: space-between; padding-inline: var(--spacing-2); margin-bottom: var(--spacing-1); font-size: var(--text-sm); font-weight: 700; }
.rail-h .mono { font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-3); }
.rail-row {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: var(--spacing-3);
  min-height: 44px; padding: var(--spacing-1) var(--spacing-2); border-radius: var(--radius-input);
  text-decoration: none; font-size: var(--text-sm); transition: background-color var(--duration-fast) var(--ease-out);
}
@media (min-width: 1024px) { .rail-row { min-height: 38px; } }
@media (hover: hover) { .rail-row:hover { background: var(--color-surface-sunk); } .rail-row:hover .rr-name { text-decoration: underline; text-underline-offset: 3px; } }
.rr-name { display: grid; min-width: 0; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rr-note { font-size: var(--text-micro); font-weight: 400; color: var(--color-ink-3); }
.rr-meta { font-size: var(--text-micro); color: var(--color-ink-3); white-space: nowrap; }
.rail-article .rr-meta { display: none; }
.rr-port { font-size: var(--text-micro); color: var(--color-ink-3); min-width: 40px; }
.rail-foot { padding: 0 var(--spacing-2) var(--spacing-1); border-top: 1px solid var(--color-hairline); }
.rail-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--spacing-3); padding: var(--spacing-2); }
.rail-facts dt { font-family: var(--font-mono); font-size: var(--text-micro); color: var(--color-ink-3); }
.rail-facts dd { font-size: var(--text-sm); font-weight: 600; }

/* 연결도 SVG — 켜진 연결만 신호 선 */
.diagram { display: block; width: 100%; height: auto; overflow: visible; }
.diagram path { fill: none; stroke-width: 1.5; }
.diagram .ln-on { stroke: var(--color-signal); }
.diagram .ln-half { stroke: var(--color-ink-3); stroke-dasharray: 3 3; }
.diagram .ln-off { stroke: var(--color-hairline); }
.dg-port, .dg-client { fill: var(--color-surface-sunk); stroke: var(--color-hairline); }
.dg-client { fill: var(--color-surface); stroke: var(--color-ink); }
.dg-pt { font-family: var(--font-mono); font-size: 13px; font-weight: 600; fill: var(--color-ink); }
.dg-t { font-family: var(--font-sans); font-size: 12.5px; font-weight: 500; fill: var(--color-ink-2); }
.dg-strong { font-size: 14px; font-weight: 700; fill: var(--color-ink); }
.dg-small { font-size: 11px; font-weight: 500; fill: var(--color-ink-3); }
.dg-lamp { overflow: visible; }
.dg-on, .dg-half { color: var(--color-signal); }
.dg-off { color: var(--color-ink-3); }
.dg-unknown { color: var(--color-rule-strong); }
.rail-diagram .diagram { max-width: 360px; margin: var(--spacing-2) auto 0; }

/* ── 클라이언트 목록 ─────────────────────────────────────────────────── */
.p-clients .list-head-row .chip-row { flex: 1 1 auto; }
.seg-view { margin-top: var(--spacing-4); }
@media (min-width: 720px) { .seg-view { margin-top: 0; } }
.legend-sheet { margin-top: var(--spacing-5); }
.legend-grid { display: grid; gap: var(--spacing-6); padding: var(--spacing-5); }
@media (min-width: 1024px) { .legend-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); padding: var(--spacing-6) var(--spacing-8); } }
.legend-grid .h3 { margin-bottom: var(--spacing-3); }
.legend-grid .small { margin-top: var(--spacing-3); max-width: 34em; }
.feat-defs { display: grid; gap: var(--spacing-3) var(--spacing-6); }
@media (min-width: 720px) { .feat-defs { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.feat-defs dt { font-weight: 700; font-size: var(--text-sm); }
.feat-defs dt .mono { margin-left: var(--spacing-1); font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-3); }
.feat-defs dd { font-size: var(--text-sm); color: var(--color-ink-2); }
.cl-list > li + li { border-top: 1px solid var(--color-hairline); }
.cl-row {
  display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; align-items: center; gap: var(--spacing-2) var(--spacing-4);
  min-height: 64px; padding: var(--spacing-3) var(--spacing-4); text-decoration: none;
}
@media (min-width: 720px) { .cl-row { grid-template-columns: 40px minmax(0, 1fr) 92px 88px 56px; } }
@media (hover: hover) { .cl-row:hover { background: var(--color-surface-sunk); } .cl-row:hover .cl-name { text-decoration: underline; text-underline-offset: 3px; } }
.cl-main { display: grid; min-width: 0; }
.cl-name { display: inline-flex; align-items: center; gap: var(--spacing-2); font-weight: 600; }
.cl-line { font-size: var(--text-meta); color: var(--color-ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cl-sup { display: grid; justify-items: end; font-size: var(--text-sm); font-weight: 600; }
.cl-part { font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-3); }
.cl-plat, .cl-port { display: none; }
@media (min-width: 720px) { .cl-plat { display: block; justify-self: start; } .cl-port { display: block; justify-self: end; font-size: var(--text-meta); color: var(--color-ink-3); } }

/* ── 활용 사례 목록 · 상세 ───────────────────────────────────────────── */
.uc-page { display: grid; gap: var(--spacing-5); margin-top: var(--spacing-5); }
.uc-feature-link { display: grid; gap: var(--spacing-4); padding: var(--spacing-3); text-decoration: none; }
@media (min-width: 1024px) { .uc-feature-link { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--spacing-8); padding: var(--spacing-3) var(--spacing-8) var(--spacing-3) var(--spacing-3); align-items: center; } }
.uc-feature-text { display: grid; gap: var(--spacing-3); align-content: center; padding: 0 var(--spacing-2) var(--spacing-2); }
.uc-feature-title { font-size: var(--text-2xl); line-height: 1.3; font-weight: 700; letter-spacing: -0.02em; }
.uc-feature-text .uc-line { font-size: var(--text-base); }
.uc-feature-text .more { justify-self: start; min-height: 32px; }
.uc-list > li + li { border-top: 1px solid var(--color-hairline); }
.uc-list-row { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--spacing-3); padding: var(--spacing-4); text-decoration: none; transition: background-color var(--duration-fast) var(--ease-out); }
@media (min-width: 720px) { .uc-list-row { grid-template-columns: 240px minmax(0, 1fr); gap: var(--spacing-6); align-items: center; } }
@media (hover: hover) { .uc-list-row:hover { background: var(--color-surface-sunk); } }
.uc-list-row .uc-row-text { gap: var(--spacing-2); }
.uc-head { padding-top: var(--spacing-6); }
@media (min-width: 1024px) { .uc-head { padding-top: var(--spacing-8); } }
.uc-head-field { margin-top: var(--spacing-4); }
.uc-h1 { margin-top: var(--spacing-3); }
.uc-byline { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-2) var(--spacing-3); margin-top: var(--spacing-4); font-size: var(--text-sm); color: var(--color-ink-2); }
.uc-byline .mono { font-size: var(--text-meta); }
.uc-byline > span:first-of-type { font-weight: 600; color: var(--color-ink); }
.cover-tray { margin-top: var(--spacing-6); }
.article { display: grid; gap: var(--spacing-5); margin-top: var(--spacing-5); }
@media (min-width: 1024px) {
  .article { grid-template-columns: minmax(0, 1fr) var(--spacing-aside); column-gap: var(--spacing-12); align-items: start; margin-top: var(--spacing-6); }
  .rail-article { position: sticky; top: var(--spacing-sticky-top); }
}
.prose-article { max-width: none; padding: var(--spacing-6) var(--spacing-5); }
@media (min-width: 720px) { .prose-article { padding: var(--spacing-10) var(--spacing-10) var(--spacing-12); } }
.prose-article > * { max-width: var(--spacing-measure); }
.prose-article > .code, .prose-article > .fig, .prose-article > .results { max-width: none; }
.prose-article h2 { margin-top: var(--spacing-6); font-size: var(--text-2xl); line-height: var(--text-2xl--line-height); font-weight: 700; letter-spacing: -0.02em; }
.prose-lead { font-size: var(--text-lg); line-height: 1.75; font-weight: 500; }
.fig { display: grid; gap: var(--spacing-3); padding: var(--spacing-5); border-radius: var(--radius-input); background: var(--color-surface-sunk); }
.fig .diagram { max-width: 520px; margin-inline: auto; }
.fig figcaption { font-size: var(--text-meta); color: var(--color-ink-2); text-align: center; }
.diagram-wide .dg-port, .diagram-v .dg-port { fill: var(--color-surface); }
.diagram-v { display: none; max-width: 340px; margin-inline: auto; }
@media (max-width: 719.98px) { .fig .diagram-wide { display: none; } .fig .diagram-v { display: block; } .fig { padding: var(--spacing-4); } .rail-article nav.rail-block { display: none; } }
.results { display: grid; gap: var(--spacing-3); }
@media (min-width: 720px) { .results { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.results li { display: grid; gap: var(--spacing-1); padding: var(--spacing-4) var(--spacing-5); border-radius: var(--radius-input); background: var(--color-surface-sunk); }
.res-n { display: flex; align-items: baseline; gap: 2px; font-size: clamp(1.75rem, 1.2rem + 1.4vw, 2.25rem); line-height: 1.1; font-weight: 600; letter-spacing: -0.03em; }
.res-u { font-size: 0.5em; font-weight: 600; color: var(--color-ink-2); margin-right: 4px; }
.res-arrow { align-self: center; margin-inline: 4px; color: var(--color-ink-3); }
.res-l { font-size: var(--text-meta); color: var(--color-ink-2); }
.quote { padding: var(--spacing-2) 0 var(--spacing-2) var(--spacing-5); box-shadow: inset 2px 0 0 var(--color-ink); }
.quote p { font-size: var(--text-lg); line-height: 1.7; font-weight: 500; }
.quote footer { margin-top: var(--spacing-2); font-size: var(--text-meta); color: var(--color-ink-2); }
.lessons { display: grid; gap: var(--spacing-3); counter-reset: lesson; }
.lessons li { position: relative; padding-left: var(--spacing-10); counter-increment: lesson; line-height: 1.75; }
.lessons li::before { content: "0" counter(lesson); position: absolute; left: 0; top: 1px; font-family: var(--font-mono); font-size: var(--text-meta); font-weight: 600; color: var(--color-ink-3); }
.toc { display: grid; padding-inline: var(--spacing-1); }
.toc a { position: relative; display: flex; align-items: center; min-height: 36px; padding-left: var(--spacing-3); font-size: var(--text-sm); color: var(--color-ink-2); text-decoration: none; border-radius: 0; }
.toc a[aria-current="true"] { color: var(--color-ink); font-weight: 600; box-shadow: inset 2px 0 0 var(--color-signal); }
@media (hover: hover) { .toc a:hover { color: var(--color-ink); } }

/* ════════════════════════════ 2회차 — 글 · 문서 틀 · API · 통계 · 앱 · 소개 · 정식 문서 · 문의 · 주간 포트 · 404 ════════════════════════════ */

/* 필터 탭 (캔버스 위 · 선택 = 먹 글 + 2px 신호 막대 하나) */
.tabs-filter { margin-top: var(--spacing-5); border-bottom: 1px solid var(--color-hairline); }
.tabs-filter .tab { display: inline-flex; align-items: center; gap: var(--spacing-2); }
.tabs-filter .tab[aria-pressed="true"] { color: var(--color-ink); }
.tabs-filter .tab[aria-pressed="true"]::after { content: ""; position: absolute; left: var(--spacing-3); right: var(--spacing-3); bottom: 0; height: 2px; border-radius: 2px; background: var(--color-signal); }
.tab-n { font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-2); }

/* 사람 모노그램 — 글쓴이 줄에서는 32 */
.uc-byline .mg-person, .uc-team .mg-person { width: 32px; height: 32px; font-size: 12px; background: var(--color-surface); box-shadow: inset 0 0 0 1px var(--color-hairline); }

/* ── 글 목록 행 (날짜 96 · 본문 · 표지 160 / <720 날짜 52 · 표지 88) ── */
.plist > li + li { border-top: 1px solid var(--color-hairline); }
.plist-row {
  display: grid; grid-template-columns: 52px minmax(0, 1fr); column-gap: var(--spacing-3); align-items: start;
  padding: var(--spacing-4); text-decoration: none; transition: background-color var(--duration-fast) var(--ease-out);
}
.plist-row.has-thumb { grid-template-columns: 52px minmax(0, 1fr) 88px; }
@media (min-width: 720px) {
  .plist-row { grid-template-columns: 96px minmax(0, 1fr); column-gap: var(--spacing-4); padding: var(--spacing-4) var(--spacing-5); }
  .plist-row.has-thumb { grid-template-columns: 96px minmax(0, 1fr) 160px; }
}
@media (hover: hover) { .plist-row:hover { background: var(--color-surface-sunk); } .plist-row:hover .post-title { text-decoration: underline; text-underline-offset: 3px; } }
.tray > .sheet > .plist:first-child > li:first-child > .plist-row { border-radius: var(--radius-sheet) var(--radius-sheet) 0 0; }
.tray > .sheet > .plist:last-child > li:last-child > .plist-row { border-radius: 0 0 var(--radius-sheet) var(--radius-sheet); }
.post-by { font-size: var(--text-meta); color: var(--color-ink-2); }
@media (min-width: 1024px) { .posts-page .uc-feature-link { grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); } }
.plist-cover { padding-top: 2px; }
.posts-page .pager { border-top: 1px solid var(--color-hairline); }

/* ── 문서 틀 (≥1024 목차 레일 220 sticky + 본문 · <1024 목차 접힘) ── */
.doc { display: grid; gap: var(--spacing-5); align-items: start; margin-top: var(--spacing-6); }
.doc-main { display: grid; gap: var(--spacing-5); min-width: 0; }
@media (min-width: 1024px) {
  .doc { grid-template-columns: var(--spacing-toc) minmax(0, calc(var(--spacing-measure) + 5rem)); column-gap: var(--spacing-12); }
  .doc-rail { position: sticky; top: var(--spacing-sticky-top); }
  .doc-rail > .tray > .sheet { max-height: calc(100svh - var(--spacing-sticky-top) - var(--spacing-4)); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; padding: var(--spacing-2) var(--spacing-2) var(--spacing-1); }
  .toc-fold { display: none; }
}
@media (max-width: 1023.98px) { .doc-rail { display: none; } }
.toc-n { flex: none; min-width: 2.75rem; font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-3); }
.doc-post .toc-n { min-width: 1.5rem; }
.doc-rail .toc a, .toc-fold .toc a { font-size: 14px; }
.toc a[aria-current="true"] .toc-n { color: var(--color-ink); }
.doc-api .toc-n { min-width: 1.875rem; font-size: var(--text-micro); font-weight: 600; letter-spacing: 0.02em; }
.doc-api .toc-n + .toc-t { min-width: 0; font-family: var(--font-mono); font-size: 12px; overflow-wrap: anywhere; }
.toc-fold > summary {
  display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-3); min-height: 52px; padding: 0 var(--spacing-4) 0 var(--spacing-5);
  border-radius: var(--radius-sheet); background: var(--color-surface); cursor: pointer; list-style: none;
  font-size: var(--text-sm); font-weight: 700;
}
.toc-fold > summary::-webkit-details-marker { display: none; }
.toc-fold-h .mono { margin-left: var(--spacing-1); font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-3); }
.toc-fold-ic { color: var(--color-ink-2); transition: transform var(--duration-base) var(--ease-out); }
.toc-fold[open] > summary { border-radius: var(--radius-sheet) var(--radius-sheet) 0 0; box-shadow: inset 0 -1px 0 var(--color-hairline); }
.toc-fold[open] .toc-fold-ic { transform: rotate(180deg); }
.toc-fold-body { padding: var(--spacing-2) var(--spacing-3) var(--spacing-3); border-radius: 0 0 var(--radius-sheet) var(--radius-sheet); background: var(--color-surface); }
.toc-fold .toc a { min-height: 44px; }
.doc-cover > .media, .doc-cover > .ph { border-radius: var(--radius-sheet); }

/* 문서 본문 (긴 글 타이포 — 44rem) */
.prose-doc { padding: var(--spacing-6) var(--spacing-5) var(--spacing-8); }
@media (min-width: 720px) { .prose-doc { padding: var(--spacing-10) var(--spacing-10) var(--spacing-12); } }
.prose-doc > * + *, .doc-sec > * + *, .art > * + * { margin-top: var(--spacing-4); }
.prose-doc p, .prose-doc li { line-height: 1.8; }
.prose-doc strong { font-weight: 700; }
.prose-doc :not(pre) > code, .prose-doc .tbl code { padding: 1px 6px; border-radius: 4px; background: var(--color-surface-sunk); font-family: var(--font-mono); font-size: 0.875em; overflow-wrap: anywhere; }
.prose-doc .tbl code { white-space: nowrap; overflow-wrap: normal; }
.prose-doc p a, .prose-doc li a:not(.btn), .prose-doc td a:not(.t-link) { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--color-rule-strong); }
@media (hover: hover) { .prose-doc p a:hover, .prose-doc li a:not(.btn):hover { text-decoration-color: var(--color-ink); } }
.prose-doc h2 {
  display: flex; align-items: baseline; gap: var(--spacing-3); margin-top: var(--spacing-12);
  font-size: min(var(--text-2xl), 1.75rem); line-height: 1.3; font-weight: 700; letter-spacing: -0.02em;
}
.prose-doc h3 { margin-top: var(--spacing-8); font-size: var(--text-lg); line-height: 1.5; font-weight: 700; }
.prose-doc > :first-child, .doc-sec > h2:first-child, .art > h2:first-child { margin-top: 0; }
.doc-sec + .doc-sec, .art + .art { margin-top: var(--spacing-10); padding-top: var(--spacing-10); border-top: 1px solid var(--color-hairline); }
.h-n, .art-n { flex: none; font-size: var(--text-meta); font-weight: 600; letter-spacing: 0; color: var(--color-ink-3); }
.prose-doc .code, .prose-doc .fig { margin-top: var(--spacing-5); }
.summary-box { padding: var(--spacing-5); border-radius: var(--radius-input); background: var(--color-surface-sunk); }
.summary-h { margin-bottom: var(--spacing-2); font-size: var(--text-micro); letter-spacing: 0.06em; font-weight: 600; color: var(--color-ink-2); }
.summary-box ol { display: grid; gap: 2px; counter-reset: s; }
.summary-box li { position: relative; padding-left: var(--spacing-8); counter-increment: s; }
.summary-box li::before { content: counter(s); position: absolute; left: 0; top: 1px; font-family: var(--font-mono); font-size: var(--text-meta); font-weight: 600; color: var(--color-ink-3); }
.bullets { display: grid; gap: var(--spacing-2); }
.bullets li { position: relative; padding-left: var(--spacing-5); }
.bullets li::before { content: ""; position: absolute; left: 4px; top: 0.78em; width: 5px; height: 5px; border-radius: 50%; background: var(--color-ink-3); }
.clauses, .items { display: grid; gap: var(--spacing-3); }
.clauses li, .items li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: var(--spacing-2); align-items: start; }
.cl-n { display: inline-grid; place-items: center; width: 20px; height: 20px; margin-top: 4px; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--color-ink-3); font-size: 11px; font-weight: 600; color: var(--color-ink-2); }
.it-n { padding-top: 3px; font-size: var(--text-meta); font-weight: 600; color: var(--color-ink-3); }
.footnotes { display: grid; gap: var(--spacing-1); margin-top: var(--spacing-10) !important; padding-top: var(--spacing-4); border-top: 1px solid var(--color-hairline); counter-reset: fn; font-size: var(--text-meta); color: var(--color-ink-2); }
.footnotes li { position: relative; padding-left: var(--spacing-6); counter-increment: fn; line-height: 1.7 !important; }
.footnotes li::before { content: counter(fn); position: absolute; left: 0; font-family: var(--font-mono); font-weight: 600; color: var(--color-ink-3); }
.fn-back { margin-left: var(--spacing-2); font-size: var(--text-micro); }
.prose-doc sup a { padding-inline: 2px; font-family: var(--font-mono); font-size: 11px; font-weight: 600; text-decoration: none; }
.prose-doc .callout { margin-top: var(--spacing-5); }
.doc-dl { display: grid; border-top: 1px solid var(--color-hairline); }
.doc-dl > div { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: var(--spacing-4); padding-block: var(--spacing-3); border-bottom: 1px solid var(--color-hairline); }
.doc-dl dt { font-size: var(--text-meta); font-weight: 600; color: var(--color-ink-2); }
.doc-dl dd { min-width: 0; overflow-wrap: anywhere; }
.doc-dl-3 > div { grid-template-columns: 9.5rem minmax(0, 1fr); }
.doc-dl-3 dt { display: flex; align-items: center; gap: var(--spacing-2); }
.doc-dl-3 dt .mono { font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-3); }
@media (max-width: 559.98px) { .doc-dl > div, .doc-dl-3 > div { grid-template-columns: minmax(0, 1fr); gap: var(--spacing-1); } }
.doc-cta { margin-top: var(--spacing-6) !important; }
.steps-doc { margin-top: var(--spacing-5) !important; }

/* 표 — 문서 안 · 좁으면 쌓인 행에 열 이름(data-label) */
.tbl tbody th[scope="row"] { height: auto; padding: var(--spacing-3); border-radius: 0; border-bottom: 1px solid var(--color-hairline); background: none; vertical-align: top; font-size: var(--text-sm); font-weight: 600; color: var(--color-ink); white-space: nowrap; }
.tbl tbody tr:last-child th[scope="row"] { border-bottom: 0; }
.tbl-stack td { vertical-align: top; }
@container (max-width: 559px) {
  .tbl-stack tr { grid-template-columns: minmax(0, 1fr); gap: var(--spacing-1); }
  .tbl-stack th[scope="row"] { display: block; padding: 0; border: 0; }
  .tbl-stack td[data-label]::before { content: attr(data-label); display: block; margin-bottom: 2px; font-family: var(--font-mono); font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-3); }
}
.t-num { text-align: right; white-space: nowrap; font-size: var(--text-meta); }
.t-rank { font-size: var(--text-meta); font-weight: 600; white-space: nowrap; }
.t-desc-ink { color: var(--color-ink); }
.tbl-top th:last-child, .tbl-issues th:last-child { text-align: right; }
@container (max-width: 559px) {
  .tbl-top tr { grid-template-columns: 32px minmax(0, 1fr) auto; column-gap: var(--spacing-3); align-items: center; }
  .tbl-top .t-rank { grid-row: 1 / span 2; }
  .tbl-top .t-nm { grid-column: 2; grid-row: 1; }
  .tbl-top .t-num { grid-column: 3; grid-row: 1; }
  .tbl-top .t-port { grid-column: 2; grid-row: 2; }
  .tbl-top .t-move { grid-column: 3; grid-row: 2; justify-self: end; }
  .tbl-top .t-cat { display: none; }
  .tbl-issues tr { grid-template-columns: 36px minmax(0, 1fr) auto; column-gap: var(--spacing-3); }
  .tbl-issues .t-rank { grid-row: 1 / span 2; }
  .tbl-issues .t-desc-ink { grid-column: 2; grid-row: 1; }
  .tbl-issues .t-date { grid-column: 2; grid-row: 2; }
  .tbl-issues .t-num { grid-column: 3; grid-row: 1; }
}
.tbl-pad { padding: var(--spacing-2) var(--spacing-4) 0; }
@media (min-width: 720px) { .tbl-pad { padding-inline: var(--spacing-5); } }

/* ── API ── */
.head-base { margin-top: var(--spacing-5); }
@media (min-width: 1024px) { .head-list > .head-base { grid-column: 2; grid-row: 1 / span 3; align-self: end; margin-top: 0; } }
.base-url { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-1) var(--spacing-3); min-height: 60px; padding: var(--spacing-2) var(--spacing-2) var(--spacing-2) var(--spacing-5); }
.base-l { flex: none; font-size: var(--text-micro); color: var(--color-ink-3); letter-spacing: 0.04em; }
.base-url code { flex: 1 1 auto; min-width: 0; font-size: var(--text-sm); font-weight: 600; overflow-wrap: anywhere; }
.base-url .copy-wrap { margin-left: auto; }
@media (max-width: 719.98px) { .base-url { padding: var(--spacing-3) var(--spacing-2) var(--spacing-3) var(--spacing-4); } .base-url code { order: 3; flex-basis: 100%; font-size: var(--text-meta); padding-bottom: var(--spacing-1); } }
.badge-method { color: var(--color-ink); box-shadow: inset 0 0 0 1px var(--color-ink); letter-spacing: 0.04em; }
.ep-h { flex-wrap: wrap; align-items: center !important; }
.ep-path { padding: 0 !important; background: none !important; font-size: min(var(--text-xl), 1.25rem) !important; font-weight: 600; letter-spacing: -0.01em; }

/* ── 통계 ── */
.stats { display: grid; gap: var(--spacing-5); }
.big-sheet { display: grid; gap: var(--spacing-5); padding: var(--spacing-6) var(--spacing-5); }
@media (min-width: 1024px) { .big-sheet { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: var(--spacing-gutter); align-items: end; padding: var(--spacing-8) var(--spacing-10); } }
.giant { padding-bottom: 0.12em; font-size: var(--text-giant); line-height: var(--text-giant--line-height); font-weight: 600; letter-spacing: -0.05em; margin-left: -0.05em; }
.giant .cm { margin-inline: -0.2em; }
.big-l { margin-top: var(--spacing-3); font-size: var(--text-sm); font-weight: 600; }
.big-l .mono { margin-left: var(--spacing-2); font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-3); }
.deltas li { display: flex; align-items: baseline; justify-content: space-between; gap: var(--spacing-4); padding-block: var(--spacing-3); border-top: 1px solid var(--color-hairline); }
.deltas li:first-child { border-top: 0; }
.d-n { font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2.25rem); line-height: 1.1; font-weight: 600; letter-spacing: -0.03em; }
.d-l { font-size: var(--text-meta); color: var(--color-ink-2); }
.kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 1024px) { .kpis { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.kpi { display: grid; align-content: start; gap: var(--spacing-1); padding: var(--spacing-5); box-shadow: inset 1px 0 0 var(--color-hairline), inset 0 1px 0 var(--color-hairline); }
.kpi:nth-child(-n + 2) { box-shadow: inset 1px 0 0 var(--color-hairline); }
.kpi:nth-child(2n + 1) { box-shadow: inset 0 1px 0 var(--color-hairline); }
.kpi:first-child { box-shadow: none; }
@media (min-width: 1024px) { .kpi, .kpi:nth-child(2n + 1) { box-shadow: inset 1px 0 0 var(--color-hairline); } .kpi:first-child { box-shadow: none; } }
.kpi-l { font-size: var(--text-meta); color: var(--color-ink-2); }
.kpi-n { font-size: var(--text-num); line-height: var(--text-num--line-height); letter-spacing: var(--text-num--letter-spacing); font-weight: 600; margin-top: var(--spacing-1); white-space: nowrap; }
.kpi-u { margin-left: 2px; font-size: 0.5em; letter-spacing: 0; }
.kpi-s { font-size: var(--text-micro); color: var(--color-ink-3); }
.stats-two { display: grid; gap: var(--spacing-5); }
@media (min-width: 1024px) { .stats-two { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--spacing-gutter); align-items: start; } }
.stats .sec-sheet > .sec-head { margin-bottom: var(--spacing-4); }
/* 선 그래프 — SVG 선은 늘어나고(non-scaling-stroke) 글자는 HTML */
.chart { display: grid; gap: var(--spacing-2); margin: 0; }
.chart-read { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--spacing-1) var(--spacing-3); }
.chart-v { font-size: min(var(--text-2xl), 1.75rem); font-weight: 600; letter-spacing: -0.03em; }
.chart-d { font-size: var(--text-meta); color: var(--color-ink-2); }
.chart-plot { position: relative; height: 240px; margin: var(--spacing-4) 0 0 52px; }
@media (max-width: 719.98px) { .chart-plot { height: 180px; margin-left: 40px; } }
.chart-plot.is-swap { animation: plot-in var(--duration-fast) var(--ease-in-out) 1; }
@keyframes plot-in { from { opacity: 0.35; } to { opacity: 1; } }
.tick { position: absolute; left: 0; right: 0; height: 0; border-top: 1px solid var(--color-chart-grid); }
.tick-l { position: absolute; right: calc(100% + 8px); top: -0.6em; font-size: var(--text-micro); line-height: 1.2; color: var(--color-ink-3); white-space: nowrap; }
.chart-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.chart-svg path { fill: none; stroke: var(--color-chart-bar); stroke-width: 2; vector-effect: non-scaling-stroke; stroke-linejoin: round; stroke-linecap: round; }
.chart-dot { position: absolute; width: 8px; height: 8px; margin: 0 0 -4px -4px; border-radius: 50%; background: var(--color-signal); box-shadow: 0 0 0 2px var(--color-surface); }
.chart-x { display: flex; justify-content: space-between; margin-left: 52px; font-size: var(--text-micro); color: var(--color-ink-3); }
@media (max-width: 719.98px) { .chart-x { margin-left: 40px; } }
.chart-note { margin-top: var(--spacing-4); }
/* 가로 막대 — 1위만 먹, 나머지 muted */
.hbars { display: grid; gap: var(--spacing-2); }
.hbars li { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr) 4.5rem; align-items: center; gap: var(--spacing-3); min-height: 26px; }
.hb-l { font-size: var(--text-sm); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hb-track { display: block; height: 12px; }
.hb-bar { display: block; height: 100%; border-radius: 2px 3px 3px 2px; background: var(--color-chart-muted); }
.hbars li.is-top .hb-bar { background: var(--color-ink); }
.hb-v { text-align: right; font-size: var(--text-meta); font-weight: 600; white-space: nowrap; }
.hb-sub { font-weight: 500; color: var(--color-ink-3); }
@media (max-width: 719.98px) { .hbars li { grid-template-columns: 6.25rem minmax(0, 1fr) 3.75rem; gap: var(--spacing-2); } .hb-sub { display: none; } }
.hbars + .small { margin-top: var(--spacing-4); }
/* 100% 막대 — 원격 = 먹 · 로컬 = muted */
.legend-bars { margin-bottom: var(--spacing-4); }
.legend-bars span { display: inline-flex; align-items: center; gap: 6px; }
.legend-bars i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; }
.lg-remote { background: var(--color-ink); }
.lg-local { background: var(--color-chart-muted); }
.stack100 { display: grid; gap: var(--spacing-4); }
.stack100 + .stack100 { margin-top: var(--spacing-4); padding-top: var(--spacing-4); border-top: 1px solid var(--color-hairline); }
.stack100 li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px var(--spacing-3); }
.s-l { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 var(--spacing-2); font-size: var(--text-sm); }
.s-n { font-size: var(--text-micro); color: var(--color-ink-3); }
.s-v { grid-column: 2; grid-row: 1; font-size: var(--text-meta); font-weight: 600; }
.s-track { grid-column: 1 / -1; display: flex; gap: 2px; height: 14px; border-radius: 3px; overflow: hidden; }
.s100-all .s-track { height: 20px; }
.s-remote { background: var(--color-ink); }
.s-local { flex: 1; background: var(--color-chart-muted); }
.stack100 ~ .small { margin-top: var(--spacing-4); }

/* ── 앱 — 선 격자 (칸 사이 hairline 만 · 그림자·칸 테 없음) ── */
.sheet:has(> .app-grid), .sheet:has(> .team-grid) { overflow: hidden; }
.app-grid { display: grid; grid-template-columns: minmax(0, 1fr); margin: 0 -1px -1px 0; }
@media (min-width: 720px) { .app-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .app-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1200px) { .app-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.app-cell { display: grid; align-content: start; gap: var(--spacing-2); padding: var(--spacing-5); box-shadow: inset -1px 0 0 var(--color-hairline), inset 0 -1px 0 var(--color-hairline); }
@media (min-width: 720px) { .app-cell { padding: var(--spacing-6); } }
.app-top { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-3); }
.app-port { font-size: var(--text-meta); font-weight: 500; color: var(--color-ink-3); }
.app-name { margin-top: var(--spacing-2); font-size: var(--text-lg); line-height: 1.4; font-weight: 700; }
.app-line { font-size: var(--text-sm); line-height: 1.6; color: var(--color-ink-2); }
.app-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--spacing-2); margin-top: var(--spacing-2); font-size: var(--text-meta); color: var(--color-ink-2); }
.app-meta .mono { font-weight: 600; color: var(--color-ink); }
.list-note span { color: var(--color-ink); font-weight: 600; }
.p-apps .list-note { margin-top: 0; }
.fig-flow .flow-wide { max-width: 760px; }
.flow-v { display: none; max-width: 320px; margin-inline: auto; }
@media (max-width: 719.98px) { .fig-flow .flow-wide { display: none; } .fig-flow .flow-v { display: block; } }
.dg-app { fill: var(--color-surface); stroke: var(--color-ink-3); }
.fl-bar { fill: var(--color-chart-muted); }
.fl-bar-on { fill: var(--color-ink); }
.fl-dot { fill: var(--color-hairline); }
.fl-bubble { fill: var(--color-surface-sunk); }
.fl-embed { fill: var(--color-surface); stroke: var(--color-signal); stroke-width: 1.5; }
.flow-steps { display: grid; gap: var(--spacing-4); margin-top: var(--spacing-6); }
@media (min-width: 1024px) { .flow-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: var(--spacing-8); } }
.flow-steps li { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: var(--spacing-3); align-items: start; }
.flow-steps p { padding-top: 2px; font-size: var(--text-sm); line-height: 1.7; color: var(--color-ink-2); }
.flow-steps strong { color: var(--color-ink); }

/* ── 소개 ── */
.about-head { padding-top: var(--spacing-6); }
@media (min-width: 1024px) { .about-head { padding-top: var(--spacing-8); } }
.notice-first { max-width: 46rem; margin-top: var(--spacing-6); padding: var(--spacing-5); border-radius: var(--radius-input); background: var(--color-plate); }
@media (min-width: 720px) { .notice-first { padding: var(--spacing-5) var(--spacing-6); } }
.nf-h { display: inline-flex; align-items: center; gap: 6px; font-size: var(--text-micro); font-weight: 600; letter-spacing: 0.06em; color: var(--color-ink-2); }
.nf-main { margin-top: var(--spacing-2); font-size: var(--text-base); line-height: 1.7; font-weight: 600; }
.nf-sub { margin-top: var(--spacing-1); font-size: var(--text-meta); line-height: 1.6; color: var(--color-ink-2); }
.about-lead { max-width: 40em; margin-top: var(--spacing-6); font-size: var(--text-lg); line-height: 1.7; color: var(--color-ink-2); }
.about-nums { display: flex; flex-wrap: wrap; margin-top: var(--spacing-3); font-size: var(--text-sm); font-weight: 600; }
.about-nums span + span::before { content: "·"; margin-inline: 10px; color: var(--color-ink-2); }
.about-office { margin-top: var(--spacing-8); }
.principles { display: grid; }
@media (min-width: 1024px) { .principles { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.principles li { display: grid; align-content: start; gap: var(--spacing-2); padding: var(--spacing-6) var(--spacing-5); }
.principles li + li { box-shadow: inset 0 1px 0 var(--color-hairline); }
@media (min-width: 1024px) { .principles li { padding: var(--spacing-8); } .principles li + li { box-shadow: inset 1px 0 0 var(--color-hairline); } }
.pr-n { font-size: 28px; line-height: 1; font-weight: 600; letter-spacing: -0.04em; }
.pr-t { margin-top: var(--spacing-3); font-size: var(--text-xl); line-height: var(--text-xl--line-height); font-weight: 700; letter-spacing: -0.015em; }
.pr-d { line-height: 1.75; color: var(--color-ink-2); }
.team-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0 -1px -1px 0; }
@media (min-width: 720px) { .team-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.team-grid li { display: grid; justify-items: start; gap: 2px; padding: var(--spacing-5); box-shadow: inset -1px 0 0 var(--color-hairline), inset 0 -1px 0 var(--color-hairline); }
@media (min-width: 1024px) { .team-grid li { padding: var(--spacing-6); } }
.tm-name { margin-top: var(--spacing-3); font-weight: 700; }
.tm-role { font-size: var(--text-meta); color: var(--color-ink-2); }
.about-two { display: grid; gap: var(--spacing-section); }
@media (min-width: 1024px) { .about-two { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); column-gap: var(--spacing-gutter); align-items: start; } }
.history { padding: var(--spacing-2) var(--spacing-5); }
.history li { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: var(--spacing-4); padding-block: var(--spacing-4); border-top: 1px solid var(--color-hairline); }
.history li:first-child { border-top: 0; }
.hi-d { padding-top: 2px; font-size: var(--text-meta); font-weight: 600; }
.hi-t { line-height: 1.6; }
.desk { display: grid; gap: var(--spacing-5); padding: var(--spacing-3); }
@media (min-width: 720px) { .desk { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; padding: var(--spacing-3) var(--spacing-6) var(--spacing-3) var(--spacing-3); } }
.desk-text { padding: var(--spacing-2) var(--spacing-2) var(--spacing-3); }
@media (min-width: 720px) { .desk-text { padding: var(--spacing-3) 0; } }
.desk-text .more { min-height: 32px; }

/* ── 정식 문서 ── */
.notice-line { display: flex; align-items: flex-start; gap: var(--spacing-3); min-height: 44px; margin-top: var(--spacing-5); padding: var(--spacing-3) var(--spacing-4); border-radius: var(--radius-input); background: var(--color-plate); font-size: var(--text-sm); line-height: 1.6; }
.nl-ic { flex: none; margin-top: 3px; }
.nl-h { margin-right: var(--spacing-2); font-weight: 700; }
.notice-line + .page-head { padding-top: var(--spacing-5); }
.prev { margin-top: var(--spacing-6) !important; border-radius: var(--radius-input); background: var(--color-surface-sunk); }
.prev > summary { display: flex; align-items: center; gap: var(--spacing-2); min-height: 48px; padding: 0 var(--spacing-4); cursor: pointer; list-style: none; font-size: var(--text-sm); font-weight: 600; }
.prev > summary::-webkit-details-marker { display: none; }
.prev > summary .ic { margin-left: auto; color: var(--color-ink-2); transition: transform var(--duration-base) var(--ease-out); }
.prev[open] > summary .ic { transform: rotate(180deg); }
.prev-body { display: grid; gap: var(--spacing-2); padding: 0 var(--spacing-4) var(--spacing-4); font-size: var(--text-sm); }
.art-request.is-on { margin-inline: calc(var(--spacing-4) * -1); padding: var(--spacing-6) var(--spacing-4); border-top-color: transparent; border-radius: var(--radius-input); background: var(--color-surface-sunk); box-shadow: inset 2px 0 0 var(--color-signal); }
.art-request.is-flash { animation: req-flash var(--duration-max) var(--ease-out) 1; }
@keyframes req-flash { from { background-color: var(--color-plate); } to { background-color: var(--color-surface-sunk); } }

/* ── 문의 ── */
.contact { display: grid; gap: var(--spacing-5); align-items: start; }
@media (min-width: 1024px) { .contact { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: var(--spacing-gutter); } }
.contact-side { display: grid; gap: var(--spacing-5); min-width: 0; }
.ct-write, .ct-sent { display: grid; gap: var(--spacing-4); padding: var(--spacing-5) var(--spacing-4); }
@media (min-width: 720px) { .ct-write, .ct-sent { padding: var(--spacing-8); } }
.ct-sent:focus { outline: none; }
.seg-topic { justify-self: start; }
.ct-guide { font-size: var(--text-sm); line-height: 1.6; color: var(--color-ink-2); }
.fields { display: grid; gap: var(--spacing-4); margin-top: var(--spacing-2); }
@media (min-width: 720px) { .fields { grid-template-columns: repeat(2, minmax(0, 1fr)); } .fld:has(textarea), .fld[data-topic-only] { grid-column: 1 / -1; } }
.fld { display: grid; gap: 6px; min-width: 0; }
.fld-l { font-size: var(--text-meta); font-weight: 600; }
.fld-hint { font-size: var(--text-micro); color: var(--color-ink-3); }
.field-area { height: auto; min-height: 140px; padding-block: var(--spacing-3); line-height: 1.6; resize: vertical; }
.ct-send { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-3) var(--spacing-4); margin-top: var(--spacing-2); }
.ct-send .small { flex: 1 1 14rem; }
.ct-sent-h { display: flex; align-items: center; gap: var(--spacing-2); font-size: var(--text-xl); font-weight: 700; }
.ct-sent-h .ic { color: var(--color-signal); }
.ct-sent-p { color: var(--color-ink-2); }
.ct-sent .btn { justify-self: start; }
.ct-summary dd { white-space: pre-wrap; }
.contact-side .sec-sheet > .h3 { margin: 0 0 var(--spacing-2); }
.ct-facts { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 0; }
.ct-facts > div { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); gap: var(--spacing-3); align-items: center; min-height: 48px; padding-block: var(--spacing-2); border-top: 1px solid var(--color-hairline); }
.ct-facts > div:first-child { border-top: 0; }
.ct-facts dt { font-family: var(--font-sans); font-size: var(--text-meta); color: var(--color-ink-2); }
.ct-facts dd { font-size: var(--text-sm); font-weight: 500; }
.ct-mail { display: flex; flex-wrap: wrap; align-items: center; gap: 0 var(--spacing-2); overflow-wrap: anywhere; }
.faq details + details { border-top: 1px solid var(--color-hairline); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-3); min-height: 52px; cursor: pointer; list-style: none; font-size: var(--text-sm); font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { flex: none; color: var(--color-ink-3); transition: transform var(--duration-base) var(--ease-out); }
.faq details[open] summary .ic { transform: rotate(180deg); }
.faq summary:focus-visible { border-radius: var(--radius-input); }
.faq p { padding-bottom: var(--spacing-4); font-size: var(--text-sm); line-height: 1.7; color: var(--color-ink-2); }

/* ── 주간 포트 ── */
.head-sub .sheet { padding: var(--spacing-2); }
.sub { display: flex; gap: var(--spacing-2); }
.sub .field-wrap { flex: 1 1 auto; }
.sub .field { box-shadow: inset 0 0 0 1px var(--color-hairline); }
.sub-done { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-1) var(--spacing-3); min-height: 48px; padding-inline: var(--spacing-3); font-size: var(--text-sm); }
.sub-done:focus { outline: none; }
.sub-done > .ic { color: var(--color-signal); }
.sub-done .text-btn { margin-left: auto; }
.mail-head { padding: var(--spacing-6) var(--spacing-5) var(--spacing-5); border-bottom: 1px solid var(--color-hairline); }
@media (min-width: 720px) { .mail-head { padding: var(--spacing-8) var(--spacing-8) var(--spacing-6); } }
.mail-no { display: flex; gap: var(--spacing-3); font-size: var(--text-micro); font-weight: 600; color: var(--color-ink-3); }
.mail-no span:first-child { color: var(--color-ink); }
.mail-subj { margin-top: var(--spacing-2); font-size: min(var(--text-2xl), 1.75rem); line-height: 1.3; font-weight: 700; letter-spacing: -0.02em; text-wrap: balance; }
.mail-meta { display: grid; gap: 2px; margin-top: var(--spacing-4); font-size: var(--text-meta); color: var(--color-ink-2); }
.mail-meta div { display: flex; gap: 0 var(--spacing-3); }
.mail-meta dt { flex: none; min-width: 5.5em; color: var(--color-ink-3); }
.mail-meta dd { min-width: 0; overflow-wrap: anywhere; }
.mail-meta .mono { font-size: var(--text-micro); }
.mail-body { display: grid; gap: var(--spacing-6); padding: var(--spacing-4) var(--spacing-5) var(--spacing-6); }
@media (min-width: 1024px) { .mail-body { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: var(--spacing-8); align-items: start; padding: var(--spacing-5) var(--spacing-8) var(--spacing-8); } }
.mail-toc li { display: flex; gap: var(--spacing-3); padding-block: var(--spacing-3); border-top: 1px solid var(--color-hairline); line-height: 1.6; }
.mail-toc li:first-child { border-top: 0; }
.mail-toc .mono { flex: none; padding-top: 2px; font-size: var(--text-meta); font-weight: 600; color: var(--color-ink-3); }
.mail-servers { padding: var(--spacing-3) var(--spacing-2); border-radius: var(--radius-input); background: var(--color-surface-sunk); }
.mail-sh { margin-bottom: var(--spacing-1); padding-inline: var(--spacing-2); font-size: var(--text-micro); font-weight: 600; letter-spacing: 0.04em; color: var(--color-ink-2); }
@media (hover: hover) { .mail-servers .rail-row:hover { background: var(--color-surface); } }

/* ── 닫힌 포트 :404 ── */
.nf { display: grid; justify-items: center; gap: var(--spacing-4); padding-top: clamp(2.5rem, 7vh, 6rem); text-align: center; }
.nf-port { font-size: var(--text-giant); line-height: var(--text-giant--line-height); font-weight: 600; letter-spacing: -0.05em; }
.nf-port .pc { margin-right: -0.12em; }
.nf-h1 { max-width: 20em; margin-top: var(--spacing-4); font-size: min(var(--text-2xl), 1.75rem); line-height: 1.35; font-weight: 700; letter-spacing: -0.02em; text-wrap: balance; }
.nf-p { color: var(--color-ink-2); }
.nf-h1 .nb { display: inline-block; }
.nf-search { width: min(100%, 36rem); margin-top: var(--spacing-3); text-align: left; }
.nf-links { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--spacing-2); }
.nf-links .btn { gap: var(--spacing-2); }
@media (max-width: 479.98px) { .nf-links .btn { padding-inline: var(--spacing-3); } }

/* ── 글 상세 뒤 · 관련 ── */
.post-after { display: grid; gap: var(--spacing-section); }
@media (min-width: 1024px) { .post-after { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--spacing-gutter); align-items: start; } }
.rel-list { padding: var(--spacing-2); }
.rel-list .rail-row { min-height: 56px; }

/* ── 등장 (Scroll reveal 1회 · 기본 상태는 보인다 — JS 가 .will-reveal 을 붙일 때만 숨김) ── */
.will-reveal { opacity: 0; transform: translateY(12px); }
.will-reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
  transition-delay: var(--d, 0ms);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; transition-delay: 0ms !important; scroll-behavior: auto !important; }
}