/* ─────────────────────────────────────────────────────────────
   Reports-Hub — Shared Stylesheet
   Dark-first, mobile-first. index.html + viewer.html 공용.
   ───────────────────────────────────────────────────────────── */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.css');

:root {
  --bg:         #0f1117;
  --bg-elev:    #141823;
  --card:       #1a1d27;
  --card-hover: #22263a;
  --border:     #2a2e3d;
  --border-strong: #3a3e4d;
  --text:       #e4e4e7;
  --text-dim:   #a1a1aa;
  --text-soft:  #71717a;
  --accent:     #6d9cff;
  --accent-hi:  #93c5fd;
  --accent-dim: rgba(109,156,255,0.12);
  --accent-bord: rgba(109,156,255,0.25);
  --green:  #4ade80;
  --orange: #fb923c;
  --red:    #f87171;
  --yellow: #facc15;
  --purple: #a78bfa;
  --pink:   #f472b6;
  --cyan:   #22d3ee;
  --code-bg: #0a0c12;
  --sans: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'IBM Plex Mono', 'Cascadia Code', Consolas, monospace;
  --ease: cubic-bezier(0.25,0.46,0.45,0.94);
  --radius: 10px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  padding: 1.5rem;
  line-height: 1.6;
}
a { color:inherit; text-decoration:none; }
img, canvas, svg { max-width:100%; display:block; }

/* ─────────────────────── Header ─────────────────────── */
.header {
  max-width: 1280px;
  margin: 0 auto 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.header .brand {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 1.25rem; font-weight: 700; color: var(--text);
}
.header .brand .mark {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(109,156,255,0.5);
}
.header .meta {
  color: var(--text-dim);
  font-size: 0.82rem;
  display: flex; gap: 0.75rem; align-items: center;
}
.header .meta .count { color: var(--accent); font-weight: 600; }
.header .meta .updated { color: var(--green); }
.header .home-link {
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--text-dim); padding: 0.35rem 0.8rem;
  border: 1px solid var(--border); border-radius: 6px;
  transition: all 0.2s var(--ease);
}
.header .home-link:hover { border-color: var(--accent); color: var(--accent); }

/* ─────────────────────── Filter Bars ─────────────────────── */
.bar {
  max-width: 1280px; margin: 0 auto 0.85rem;
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  align-items: center;
}
.bar-label {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--text-soft); text-transform: uppercase;
  letter-spacing: 0.08em; margin-right: 0.4rem;
  min-width: 4.5rem;
}
.chip {
  padding: 0.35rem 0.85rem;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.78rem;
  transition: all 0.15s var(--ease);
  white-space: nowrap;
}
.chip:hover { border-color: var(--accent); color: var(--text); }
.chip.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 600;
}
.chip .chip-count {
  margin-left: 0.35rem;
  opacity: 0.7;
  font-weight: 400;
}

.search-wrap {
  max-width: 1280px; margin: 0 auto 1.25rem;
  position: relative;
}
.search-input {
  width: 100%;
  padding: 0.6rem 0.95rem 0.6rem 2.4rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.88rem;
  font-family: var(--sans);
  transition: border-color 0.15s var(--ease);
}
.search-input:focus {
  outline: none;
  border-color: var(--accent);
}
.search-icon {
  position: absolute; left: 0.85rem; top: 50%;
  transform: translateY(-50%);
  color: var(--text-soft); font-size: 0.95rem;
  pointer-events: none;
}

.filter-info {
  max-width: 1280px; margin: 0 auto 1.25rem;
  text-align: center;
  color: var(--text-soft);
  font-size: 0.78rem;
}

/* ─────────────────────── Groups & Cards ─────────────────────── */
.content {
  max-width: 1280px;
  margin: 0 auto;
}
.group { margin-bottom: 1.75rem; }
.group.empty-group { display: none; }
.group-header {
  display: flex; align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
  padding-left: 0.25rem;
}
.group-title {
  font-size: 0.92rem; font-weight: 600; color: var(--text);
  display: flex; align-items: center; gap: 0.4rem;
}
.group-badge {
  font-size: 0.7rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 0.12rem 0.55rem;
  border-radius: 10px;
  color: var(--text-dim);
  font-family: var(--mono);
}
.group-latest {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--text-soft);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.8rem;
}

.card {
  display: flex; flex-direction: column;
  gap: 0.6rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  color: var(--text);
  transition: all 0.15s var(--ease);
  position: relative;
}
.card:hover {
  background: var(--card-hover);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.card .title {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
  word-break: keep-all;
  color: var(--text);
}
.card .summary {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card .badges {
  display: flex; gap: 0.4rem; flex-wrap: wrap;
  margin-top: auto;
}
.badge {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.4;
}
.badge--agent-admoni   { background: rgba(109,156,255,0.15); color: #93c5fd; }
.badge--agent-codelia  { background: rgba(167,139,250,0.15); color: #c4b5fd; }
.badge--agent-mars     { background: rgba(251,146,60,0.15);  color: #fdba74; }
.badge--agent-sheldon  { background: rgba(248,113,113,0.15); color: #fca5a5; }
.badge--agent-atreus   { background: rgba(34,211,238,0.15);  color: #67e8f9; }
.badge--agent-iris     { background: rgba(244,114,182,0.15); color: #f9a8d4; }
.badge--agent-kairos   { background: rgba(74,222,128,0.15);  color: #86efac; }
.badge--agent-argos    { background: rgba(250,204,21,0.15);  color: #fde047; }
.badge--agent-unknown  { background: rgba(161,161,170,0.15); color: var(--text-dim); }
.badge--fmt-html       { background: rgba(109,156,255,0.1); color: var(--accent); border: 1px solid var(--accent-bord); }
.badge--fmt-md         { background: rgba(74,222,128,0.1); color: var(--green); border: 1px solid rgba(74,222,128,0.25); }
.badge--fmt-pdf        { background: rgba(248,113,113,0.1); color: var(--red); border: 1px solid rgba(248,113,113,0.25); }

.card .meta-line {
  display: flex; justify-content: space-between;
  font-size: 0.72rem; color: var(--text-soft);
  font-family: var(--mono);
}
.card .age.fresh { color: var(--green); }
.card .age.stale { color: var(--orange); }
.card .age.old   { color: var(--red); }

.empty, .error {
  text-align: center;
  padding: 3rem 1rem;
  font-size: 0.9rem;
  color: var(--text-soft);
}
.error { color: var(--red); }

/* ─────────────────────── Viewer Layout ─────────────────────── */
.viewer-header {
  max-width: 1080px;
  margin: 0 auto 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 1rem;
  flex-wrap: wrap;
}
.viewer-back {
  font-family: var(--mono); font-size: 0.78rem;
  color: var(--text-dim);
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.15s var(--ease);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.viewer-back:hover { border-color: var(--accent); color: var(--accent); }
.viewer-title {
  flex: 1; min-width: 0;
  font-size: 1.15rem; font-weight: 600;
  color: var(--text); line-height: 1.4;
  word-break: keep-all;
}
.viewer-actions {
  display: flex; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.72rem;
}
.viewer-actions a {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-dim);
  transition: all 0.15s var(--ease);
}
.viewer-actions a:hover { border-color: var(--accent); color: var(--accent); }

.viewer-meta {
  max-width: 1080px;
  margin: 0 auto 1.5rem;
  display: flex; gap: 0.8rem; flex-wrap: wrap;
  font-size: 0.78rem; color: var(--text-soft);
  font-family: var(--mono);
}

.viewer-body {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  align-items: start;
}
.viewer-body.no-toc {
  grid-template-columns: 1fr;
}

.toc {
  position: sticky;
  top: 1.5rem;
  max-height: calc(100vh - 3rem);
  overflow-y: auto;
  font-size: 0.82rem;
  padding: 0.5rem 0 0.5rem 0.5rem;
  border-left: 1px solid var(--border);
}
.toc-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  padding-left: 0.75rem;
}
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li {
  padding: 0.3rem 0.75rem;
  border-left: 2px solid transparent;
  margin-left: -1px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s var(--ease);
  line-height: 1.4;
  word-break: keep-all;
}
.toc li.h3 { padding-left: 1.5rem; font-size: 0.76rem; }
.toc li:hover { color: var(--accent); }
.toc li.active {
  color: var(--accent);
  border-left-color: var(--accent);
}

.toc-toggle {
  display: none;
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--text-dim);
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  cursor: pointer;
  margin-bottom: 1rem;
}

/* ─────────────────────── Prose (MD Content) ─────────────────────── */
.prose {
  max-width: 68ch;
  min-width: 0;            /* Grid item shrink fix — 부모 셀보다 작아지도록 허용 */
  font-size: clamp(15px, 2.5vw, 17px);
  line-height: 1.78;
  color: var(--text);
  word-break: keep-all;
  overflow-wrap: break-word;
}
.prose > * + * { margin-top: 1.1rem; }
.prose h1, .prose h2, .prose h3, .prose h4 {
  color: var(--text);
  line-height: 1.35;
  font-weight: 700;
  scroll-margin-top: 1.5rem;
}
.prose h1 {
  font-size: 1.7rem;
  margin-top: 2.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.prose h1:first-child { margin-top: 0; }
.prose h2 {
  font-size: 1.3rem;
  margin-top: 2rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}
.prose h3 { font-size: 1.08rem; margin-top: 1.75rem; }
.prose h4 { font-size: 0.95rem; margin-top: 1.4rem; color: var(--text-dim); }
.prose p { color: var(--text); }
.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.prose a:hover { color: var(--accent-hi); }
.prose ul, .prose ol {
  padding-left: 1.6rem;
}
.prose li { margin-bottom: 0.4rem; }
.prose li > ul, .prose li > ol { margin-top: 0.4rem; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.6rem 1.1rem;
  background: var(--accent-dim);
  border-radius: 0 6px 6px 0;
  color: var(--text-dim);
  font-size: 0.95em;
}
.prose blockquote > * + * { margin-top: 0.6rem; }
.prose code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-bg);
  color: #c4d0e5;
  padding: 0.12em 0.45em;
  border-radius: 4px;
  border: 1px solid var(--border);
  word-break: break-all;
}
.prose pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  font-size: 0.86rem;
  line-height: 1.65;
}
.prose pre code {
  background: none; padding: 0;
  font-size: inherit; border: none;
  color: #d4d8e0;
  word-break: normal;
}
.prose table {
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
  font-size: 0.88rem;
  max-width: 100%;
}
.prose th, .prose td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.9rem;
  text-align: left;
  vertical-align: top;
}
.prose th {
  background: var(--bg-elev);
  color: var(--text);
  font-weight: 600;
}
.prose td { color: var(--text-dim); }
.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}
.prose img {
  border-radius: 6px;
  border: 1px solid var(--border);
  margin: 0.5rem 0;
}
.prose strong { color: var(--text); font-weight: 700; }
.prose em { color: var(--text-dim); font-style: italic; }

/* ─────────────────────── PDF Viewer ─────────────────────── */
.pdf-canvas-stack {
  display: flex; flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}
.pdf-canvas-stack canvas {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.pdf-controls {
  position: sticky;
  top: 0.8rem;
  z-index: 20;
  margin-left: auto;
  display: flex;
  gap: 0.35rem;
  background: var(--card);
  padding: 0.35rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 0.75rem;
}
.pdf-controls button {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 0.25rem 0.55rem;
  cursor: pointer;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.75rem;
}
.pdf-controls button:hover { color: var(--accent); background: var(--accent-dim); }

/* ─────────────────────── Viewer — Prev/Next Navigation ─────────────────────── */
.viewer-nav {
  max-width: 1080px;
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.viewer-nav a {
  flex: 1; min-width: 12rem;
  padding: 0.85rem 1.1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.15s var(--ease);
}
.viewer-nav a:hover { border-color: var(--accent); background: var(--card-hover); }
.viewer-nav .nav-label {
  font-family: var(--mono); font-size: 0.65rem;
  color: var(--text-soft); text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}
.viewer-nav .nav-title {
  font-size: 0.88rem; color: var(--text);
  line-height: 1.4;
  word-break: keep-all;
}
.viewer-nav .nav-next { text-align: right; }

/* ─────────────────────── Filter Collapse ─────────────────────── */
.filters-wrap {
  max-width: 1280px;
  margin: 0 auto;
}
.filters-toggle {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.85rem;
  cursor: pointer;
  margin-bottom: 0.6rem;
  transition: all 0.15s var(--ease);
}
.filters-toggle:hover { border-color: var(--accent); color: var(--accent); }
.filters-body { transition: all 0.2s var(--ease); }
.filters-body.collapsed {
  display: none;
}

/* ─────────────────────── View Toggle ─────────────────────── */
.view-toggle {
  display: flex; gap: 0.25rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.2rem;
}
.vtog {
  font-family: var(--mono); font-size: 0.75rem;
  color: var(--text-dim);
  background: transparent;
  border: none;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s var(--ease);
  white-space: nowrap;
}
.vtog:hover { color: var(--text); }
.vtog.active {
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
}

/* ─────────────────────── Feed View ─────────────────────── */
.feed-section { margin-bottom: 1.5rem; }
.feed-section-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.6rem;
  display: flex; align-items: center; gap: 0.5rem;
  padding-left: 0.25rem;
}
.feed-section-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(109,156,255,0.5);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.feed-section-label--read {
  color: var(--text-soft);
  font-weight: 400;
}
.feed-section--read { opacity: 0.7; }

.feed {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-width: 1280px;
}

.feed-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0.85rem 1.1rem;
  color: var(--text);
  transition: all 0.15s var(--ease);
}
.feed-item:hover {
  background: var(--card-hover);
  border-color: var(--accent);
  transform: translateX(2px);
}
.feed-item.is-read {
  opacity: 0.5;
  border-left-color: var(--border);
}
.feed-item.is-read:hover { opacity: 0.8; }

.feed-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.feed-category {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-dim);
  white-space: nowrap;
}
.feed-time {
  font-family: var(--mono);
  font-size: 0.7rem;
  margin-left: auto;
}
.feed-unread {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.feed-title {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
  word-break: keep-all;
  color: var(--text);
}
.feed-summary {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Category-specific left border colors */
.feed-item:has(.feed-cat--orchestra)      { border-left-color: var(--purple); }
.feed-item:has(.feed-cat--strategy)       { border-left-color: var(--accent); }
.feed-item:has(.feed-cat--security)       { border-left-color: var(--red); }
.feed-item:has(.feed-cat--issues)         { border-left-color: var(--orange); }
.feed-item:has(.feed-cat--growth-distill) { border-left-color: var(--cyan); }
.feed-item:has(.feed-cat--codex-feeds)    { border-left-color: var(--green); }
.feed-item:has(.feed-cat--codex)          { border-left-color: var(--yellow); }
.feed-item:has(.feed-cat--knowledge)      { border-left-color: var(--pink); }
.feed-item:has(.feed-cat--economic-pulse) { border-left-color: var(--green); }
.feed-item:has(.feed-cat--robin-research) { border-left-color: #86efac; }

/* ─────────────────────── HTML Embed ─────────────────────── */
.html-embed {
  width: 100%;
  min-height: 50vh;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;       /* 내부 스크롤 제거 — JS로 동적 높이 설정 */
}

/* ─────────────────────── Comments ─────────────────────── */
.comment-section {
  max-width: 1080px;
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.comment-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.comment-icon { font-size: 1.1rem; }
.comment-label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}
.comment-count {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-soft);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 0.1rem 0.45rem;
  border-radius: 10px;
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.comment-empty {
  font-size: 0.82rem;
  color: var(--text-soft);
  padding: 0.5rem 0;
}
.comment-offline {
  background: var(--bg-elev);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  text-align: center;
}
.comment-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}
.comment-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-size: 0.75rem;
}
.comment-author {
  font-weight: 600;
  color: var(--accent);
}
.comment-time {
  color: var(--text-soft);
  font-family: var(--mono);
}
.comment-routed {
  color: var(--green);
  font-family: var(--mono);
}
.comment-pending {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.68rem;
}
.comment-text {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.6;
  white-space: pre-wrap;
}

/* Agent reply styling */
.comment-item--agent {
  border-left: 3px solid var(--accent);
  background: var(--accent-dim);
}
.comment-author--agent {
  color: var(--green) !important;
  font-weight: 600;
}

.comment-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.comment-input {
  width: 100%;
  padding: 0.7rem 0.95rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.88rem;
  line-height: 1.5;
  resize: vertical;
  min-height: 2.8rem;
  transition: border-color 0.15s var(--ease);
}
.comment-input:focus {
  outline: none;
  border-color: var(--accent);
}
.comment-input::placeholder { color: var(--text-soft); }
.comment-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.comment-route {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-soft);
}
.comment-submit {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 6px;
  padding: 0.45rem 1.2rem;
  cursor: pointer;
  transition: all 0.15s var(--ease);
}
.comment-submit:hover { background: var(--accent-hi); }
.comment-submit:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─────────────────────── Mobile ─────────────────────── */
@media (max-width: 768px) {
  body { padding: 1rem; }
  .header { margin-bottom: 1rem; }
  .header .brand { font-size: 1.1rem; }
  .bar { gap: 0.35rem; }
  .bar-label { min-width: 100%; margin-bottom: 0.15rem; font-size: 0.65rem; }
  .chip { padding: 0.3rem 0.7rem; font-size: 0.72rem; }
  .cards { grid-template-columns: 1fr; }

  /* ── Viewer 레이아웃 통일 ── */
  .viewer-header {
    padding-bottom: 0.85rem;
    margin-bottom: 1rem;
  }
  .viewer-meta {
    margin-bottom: 0.85rem;
    gap: 0.5rem;
  }
  .toc-toggle {
    display: inline-block;
    font-size: 0.82rem;
    padding: 0.5rem 1rem;
    margin-bottom: 0.85rem;
  }
  .viewer-body {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .toc {
    position: static;
    max-height: 18rem;
    border-left: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.85rem 1rem;
    margin-bottom: 1.25rem;
    font-size: 0.92rem;
  }
  .toc li { padding: 0.4rem 0.75rem; line-height: 1.5; }
  .toc li.h3 { padding-left: 1.75rem; font-size: 0.86rem; }
  .toc.collapsed { display: none; }

  /* ── Prose 본문 모바일 최적화 ── */
  .viewer-body { overflow-x: hidden; max-width: 100%; }
  .prose { max-width: 100% !important; width: 100%; overflow-x: hidden; }
  .prose table { display: block; width: 100%; overflow-x: auto; }
  .prose th, .prose td { padding: 0.45rem 0.65rem; font-size: 0.84rem; }
  .prose ul, .prose ol { padding-left: 1.25rem; }
  .prose blockquote { padding: 0.5rem 0.85rem; font-size: 0.9em; }

  /* Feed mobile */
  .view-toggle { order: 2; width: 100%; justify-content: center; }
  .feed-item { padding: 0.75rem 0.9rem; }
  .feed-head { gap: 0.35rem; }
  .feed-title { font-size: 0.9rem; }

  /* Comment mobile */
  .comment-section { margin-top: 1.5rem; padding-top: 1rem; width: 100%; }
  .comment-item { padding: 0.6rem 0.8rem; }
  .comment-input { font-size: 16px; } /* prevents zoom on iOS */
  .comment-input-wrap { padding-bottom: 1rem; }
  .html-embed { min-height: 50vh; }

  .viewer-title { font-size: 1rem; }
  .prose h1 { font-size: 1.4rem; }
  .prose h2 { font-size: 1.15rem; }
  .prose pre { padding: 0.9rem 1rem; font-size: 0.8rem; }
  .viewer-nav a { min-width: 100%; }
}

/* ─────────────────────── Activity Page ─────────────────────── */
.activity-wrap {
  max-width: 1080px;
  margin: 0 auto;
}
.activity-date-group {
  margin-bottom: 1.5rem;
}
.activity-date-label {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  padding: 0.35rem 0.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}
.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  border-radius: 6px;
  transition: background 0.12s var(--ease);
  flex-wrap: wrap;
}
.activity-item:hover { background: var(--card); }
.activity-icon { font-size: 0.85rem; flex-shrink: 0; margin-top: 0.1rem; }
.activity-time {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-soft);
  min-width: 5rem;
  flex-shrink: 0;
  margin-top: 0.15rem;
}
.activity-title {
  font-size: 0.88rem;
  color: var(--text);
  word-break: keep-all;
  flex: 1;
  min-width: 0;
}
.activity-text {
  width: 100%;
  font-size: 0.78rem;
  color: var(--text-dim);
  padding-left: 6.5rem;
  line-height: 1.5;
}
.activity-item--comment {
  border-left: 3px solid var(--green);
  margin-left: 0.25rem;
}

/* ─────────────────────── Scrollbar ─────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 10px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }