/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f8f9fc;
  --surface: #ffffff;
  --surface-hover: #f0f1f5;
  --border: rgba(0,0,0,0.06);
  --border-hover: rgba(0,0,0,0.12);

  --ink: #16163a;
  --ink-sub: #4b4b6d;
  --ink-muted: #8888a4;
  --ink-faint: #b4b4c8;

  --accent-1: #6c5ce7;
  --accent-2: #a855f7;
  --accent-gradient: linear-gradient(135deg, #6c5ce7, #a855f7);
  --accent-glow: rgba(108,92,231,0.15);
  --accent-soft: rgba(108,92,231,0.06);

  --green: #10b981;
  --green-bg: rgba(16,185,129,0.06);
  --teal: #0d9488;
  --teal-bg: rgba(13,148,136,0.06);
  --amber: #d97706;
  --amber-bg: rgba(217,119,6,0.06);

  --tag-industry-c: #6c5ce7;
  --tag-industry-bg: rgba(108,92,231,0.06);
  --tag-domain-c: #4b4b6d;
  --tag-domain-bg: rgba(75,75,109,0.06);
  --tag-tech-c: #a855f7;
  --tag-tech-bg: rgba(168,85,247,0.06);
  --tag-level-c: var(--teal);
  --tag-level-bg: var(--teal-bg);
  --tag-challenge-c: var(--amber);
  --tag-challenge-bg: var(--amber-bg);
  --effect-c: var(--green);
  --effect-bg: var(--green-bg);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Sans", sans-serif;
  --r: 16px;
  --r-sm: 12px;
  --r-xs: 8px;
  --pill: 100px;
  --sidebar: 256px;
  --header: 56px;
  --sh: 0 2px 12px rgba(22,22,58,0.04);
  --sh-md: 0 4px 20px rgba(22,22,58,0.06);
  --sh-lg: 0 8px 32px rgba(22,22,58,0.08);
  --sh-glow: 0 0 20px var(--accent-glow);
}

html { font-size: 15px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* === Header === */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 16px;
  height: var(--header);
  padding: 0 24px;
  background: rgba(248,249,252,0.8);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}
.header-logo-link { display: flex; align-items: center; gap: 8px; }
.header-logo-icon { width: 28px; height: 28px; }
.header-wordmark { display: flex; align-items: baseline; gap: 2px; white-space: nowrap; }
.wm-ai {
  font-size: 19px; font-weight: 900; letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.wm-text { font-size: 14px; font-weight: 700; color: var(--ink); }
.header-sub { font-size: 13px; color: var(--ink-muted); }
.header-search {
  margin-left: auto;
  position: relative;
  display: flex;
  align-items: center;
}
.header-search-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border: none;
  background: rgba(0,0,0,0.04);
  border-radius: var(--r-xs);
  cursor: pointer;
  color: var(--ink-muted);
  font-size: 14px;
  transition: all 0.15s;
}
.header-search-toggle:hover { background: rgba(0,0,0,0.08); color: var(--accent-1); }
.header-search-form {
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  width: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}
.header-search.open .header-search-form {
  width: 320px;
  opacity: 1;
}
.header-search.open .header-search-toggle { display: none; }
.header-search-input {
  width: 100%;
  padding: 9px 16px;
  font-size: 14px;
  font-family: var(--font);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  outline: none;
  transition: border-color 0.15s;
}
.header-search-input::placeholder { color: var(--ink-faint); }
.header-search-input:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.header-credit { margin-left: 0; display: flex; align-items: center; gap: 5px; transition: opacity 0.15s; }
.header-credit:hover { opacity: 0.6; }
.header-credit-label { font-size: 10px; color: var(--ink-faint); }
.header-credit-logo { width: 18px; height: 18px; object-fit: contain; }
.header-credit-name { font-size: 12px; font-weight: 700; color: var(--ink-muted); }

/* === Layout === */
.layout { display: flex; margin-top: var(--header); min-height: calc(100vh - var(--header)); }

/* === Sidebar === */
.sidebar {
  position: fixed; top: var(--header); left: 0; bottom: 0;
  width: var(--sidebar);
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto; padding: 12px 0;
  scrollbar-width: thin; scrollbar-color: rgba(0,0,0,0.06) transparent;
}
.sidebar-section summary {
  display: flex; align-items: center;
  padding: 9px 18px;
  font-size: 11px; font-weight: 700; color: var(--ink-muted);
  text-transform: uppercase; letter-spacing: 0.1em;
  cursor: pointer; user-select: none; list-style: none;
}
.sidebar-section summary:hover { color: var(--accent-1); }
.sidebar-section summary::-webkit-details-marker { display: none; }
.sidebar-icon { font-size: 10px; opacity: 0.4; margin-right: 6px; width: auto; height: auto; }
.sidebar-section summary::before {
  content: ""; display: inline-block; width: 4px; height: 4px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg); margin-right: 6px; transition: transform 0.15s;
}
.sidebar-section[open] summary::before { transform: rotate(45deg); }

.sidebar-chips { display: flex; flex-wrap: wrap; gap: 5px; padding: 4px 14px 14px; }
.chip {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 6px 12px; font-size: 13px; color: var(--ink-sub);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--pill); cursor: pointer; transition: all 0.15s;
  white-space: nowrap; font-weight: 500;
}
.chip:hover {
  color: var(--accent-1); border-color: rgba(108,92,231,0.3);
  background: var(--accent-soft); box-shadow: var(--sh-glow);
}
.chip-active {
  color: #fff; background: var(--accent-gradient); border-color: transparent;
  box-shadow: 0 2px 8px rgba(108,92,231,0.25);
}
.chip-active:hover { box-shadow: 0 4px 12px rgba(108,92,231,0.3); }
.chip-zero { display: none; }
.chip-count { font-size: 11px; color: var(--ink-faint); font-weight: 600; font-variant-numeric: tabular-nums; }
.chip-active .chip-count { color: rgba(255,255,255,0.6); }

.sidebar-actions { padding: 8px 14px; }
.clear-filters-btn {
  display: block; text-align: center; padding: 8px;
  font-size: 13px; font-weight: 600; color: var(--accent-1);
  background: var(--accent-soft); border: none; border-radius: var(--r-xs); cursor: pointer;
}
.clear-filters-btn:hover { background: var(--accent-1); color: #fff; }

/* === Content === */
.content { flex: 1; margin-left: var(--sidebar); padding: 28px 40px 60px; }

/* === Hero === */
.hero-tagline { margin-bottom: 8px; }
.hero-title { font-size: 16px; font-weight: 500; color: var(--ink-muted); }

/* === Quick Cards === */
.quick-search-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 28px; }
.quick-card {
  display: flex; flex-direction: column; gap: 5px;
  padding: 16px 18px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); cursor: pointer; transition: all 0.2s;
}
.quick-card:hover {
  border-color: rgba(108,92,231,0.3); box-shadow: var(--sh-glow);
  transform: translateY(-2px);
}
.quick-card:hover .quick-card-icon { color: var(--accent-1); opacity: 1; }
.quick-card-title {
  display: flex; align-items: center; gap: 7px;
  font-size: 14px; font-weight: 700; color: var(--ink); line-height: 1.3;
}
.quick-card-icon { font-size: 13px; opacity: 0.3; transition: all 0.2s; }
.quick-card-desc { font-size: 12px; color: var(--ink-muted); line-height: 1.45; }

/* === Search === */
.search-bar { margin-bottom: 24px; }
.search-row { display: flex; gap: 8px; }
.search-input {
  flex: 1; padding: 12px 16px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--r-sm);
  color: var(--ink); font-size: 15px; font-family: var(--font); outline: none;
  transition: all 0.15s;
}
.search-input:focus { border-color: var(--accent-1); box-shadow: 0 0 0 3px var(--accent-glow); }
.search-input::placeholder { color: var(--ink-faint); }
.search-input-wrap { flex: 1; position: relative; }
.search-input-wrap .search-input { width: 100%; padding-left: 40px; }
.search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); font-size: 14px; color: var(--ink-faint); pointer-events: none; }
.suggest-dropdown {
  display: none; position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm);
  box-shadow: var(--sh-lg); overflow: hidden; z-index: 50;
}
.suggest-dropdown.open { display: block; }
.suggest-item { display: flex; justify-content: space-between; padding: 10px 16px; font-size: 14px; cursor: pointer; }
.suggest-item:hover, .suggest-active { background: var(--accent-soft); }
.suggest-label { font-weight: 600; }
.suggest-type { font-size: 11px; font-weight: 600; color: var(--ink-muted); }
.search-reset {
  padding: 12px 20px; font-size: 14px; font-weight: 600; color: var(--ink-muted);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); cursor: pointer;
}
.search-reset:hover { color: var(--accent-1); border-color: var(--accent-1); }

/* === Active Filters === */
.active-filters {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-bottom: 20px;
}
.active-filters-label { font-size: 11px; font-weight: 700; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.08em; margin-right: 4px; }
.active-chip {
  padding: 4px 12px; font-size: 12px; font-weight: 600;
  border-radius: var(--pill); cursor: pointer; border: none;
  background: var(--surface); color: var(--ink-sub);
  box-shadow: 0 0 0 1px var(--border);
}
.active-chip:hover { opacity: 0.5; }
.active-chip-level { background: var(--tag-level-bg); color: var(--tag-level-c); box-shadow: none; }
.active-chip-challenge { background: var(--tag-challenge-bg); color: var(--tag-challenge-c); box-shadow: none; }
.active-chip-industry { background: var(--tag-industry-bg); color: var(--tag-industry-c); box-shadow: none; }
.active-chip-domain { background: var(--tag-domain-bg); color: var(--tag-domain-c); box-shadow: none; }
.active-chip-tech { background: var(--tag-tech-bg); color: var(--tag-tech-c); box-shadow: none; }
.active-chip-effect { background: var(--effect-bg); color: var(--effect-c); box-shadow: none; }
.active-filters-clear { font-size: 12px; font-weight: 600; color: var(--ink-faint); margin-left: auto; cursor: pointer; }
.active-filters-clear:hover { color: var(--accent-1); }

/* === Content Header === */
.content-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 24px; gap: 12px; flex-wrap: wrap; }
.content-header-left { display: flex; align-items: baseline; gap: 14px; }
.content-header-right { display: flex; align-items: center; gap: 8px; }
.result-count {
  font-size: 52px; font-weight: 900; letter-spacing: -0.06em; line-height: 1;
}
.result-count .count-num {
  background: var(--accent-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.result-total { font-size: 18px; font-weight: 500; color: var(--ink-muted); }

.effect-toggle {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 7px 14px; font-size: 13px; font-weight: 600; color: var(--ink-muted);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--pill); cursor: pointer; transition: all 0.15s; white-space: nowrap;
}
.effect-toggle:hover { color: var(--green); border-color: var(--green); }
.effect-toggle-active { color: #fff; background: var(--green); border-color: var(--green); box-shadow: 0 2px 8px rgba(16,185,129,0.2); }
.effect-toggle-active:hover { background: #059669; }
.effect-toggle-active .icon-sm { color: #fff; }

.sort-select {
  padding: 7px 28px 7px 12px; font-size: 13px; font-family: var(--font); font-weight: 600;
  color: var(--ink-sub); background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xs); cursor: pointer; outline: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23b4b4c8'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
}
.sort-select:focus { border-color: var(--accent-1); }

/* === Card Grid === */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 10px; }

.case-card {
  display: flex; flex-direction: column; gap: 10px;
  padding: 22px 24px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--r);
  transition: all 0.2s cubic-bezier(0.4,0,0.2,1); cursor: pointer;
}
.case-card:hover {
  border-color: rgba(108,92,231,0.25);
  box-shadow: var(--sh-md), var(--sh-glow);
  transform: translateY(-3px);
}
.case-card.case-empty { grid-column: 1 / -1; cursor: default; text-align: center; padding: 64px 24px; }
.case-card.case-empty:hover { transform: none; box-shadow: none; border-color: var(--border); }

.case-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.case-card-company { font-size: 18px; font-weight: 800; color: var(--ink); letter-spacing: -0.03em; line-height: 1.25; }
.case-card-year { font-size: 12px; font-weight: 500; color: var(--ink-faint); font-variant-numeric: tabular-nums; }

.case-card-summary { font-size: 14px; color: var(--ink-sub); line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.case-card-effect {
  font-size: 13px; font-weight: 700; color: var(--effect-c); background: var(--effect-bg);
  padding: 8px 14px; border-radius: var(--r-xs); line-height: 1.4;
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis; display: block;
}
.icon-sm { width: 14px; height: 14px; }
.case-card-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: auto; }

/* === Pagination === */
.pagination { display: flex; align-items: center; justify-content: center; gap: 4px; margin-top: 32px; }
.page-link {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 10px;
  font-size: 14px; font-weight: 600; color: var(--ink-sub);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xs); transition: all 0.15s;
}
.page-link:hover { border-color: var(--accent-1); color: var(--accent-1); box-shadow: var(--sh-glow); }
.page-current { color: #fff; background: var(--accent-gradient); border-color: transparent; box-shadow: 0 2px 8px rgba(108,92,231,0.2); }
.page-ellipsis { min-width: 24px; height: 36px; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; color: var(--ink-faint); letter-spacing: 2px; }

/* === Empty === */
.empty-state { padding: 20px 0; }
.empty-state-text { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.empty-state-hint { font-size: 14px; color: var(--ink-muted); margin-bottom: 20px; }
.empty-state-suggestions { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 20px; }
.empty-suggest-chip { padding: 6px 16px; font-size: 13px; font-weight: 600; color: var(--accent-1); background: var(--accent-soft); border-radius: var(--pill); }
.empty-suggest-chip:hover { background: var(--accent-1); color: #fff; }
.empty-state-link { display: inline-block; padding: 12px 28px; background: var(--accent-gradient); color: #fff; border-radius: var(--r-xs); font-size: 14px; font-weight: 700; box-shadow: 0 2px 8px rgba(108,92,231,0.2); }
.empty-state-link:hover { box-shadow: 0 4px 16px rgba(108,92,231,0.3); }

/* === Tags === */
.tag { display: inline-block; padding: 2px 8px; font-size: 11px; border-radius: var(--r-xs); white-space: nowrap; font-weight: 600; }
.tag-level { background: var(--tag-level-bg); color: var(--tag-level-c); }
.tag-challenge { background: var(--tag-challenge-bg); color: var(--tag-challenge-c); }
.tag-industry { background: var(--tag-industry-bg); color: var(--tag-industry-c); }
.tag-domain { background: var(--tag-domain-bg); color: var(--tag-domain-c); }
.tag-tech { background: var(--tag-tech-bg); color: var(--tag-tech-c); }
.tag-link { cursor: pointer; transition: opacity 0.12s; }
.tag-link:hover { opacity: 0.5; }

/* === Detail Hero === */
.detail-hero {
  margin-top: var(--header);
  background: linear-gradient(160deg, #16163a 0%, #2d1b69 50%, #1a1a3e 100%);
  padding: 0 40px;
  position: relative;
  overflow: hidden;
}
.detail-hero::before {
  content: "";
  position: absolute; top: -50%; right: -20%; width: 60%; height: 200%;
  background: radial-gradient(ellipse, rgba(168,85,247,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.detail-hero-inner { max-width: 720px; margin: 0 auto; padding: 48px 0 56px; position: relative; }
.back-link { font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.3); display: inline-flex; align-items: center; gap: 6px; margin-bottom: 40px; }
.back-link:hover { color: rgba(255,255,255,0.8); }
.detail-year { font-size: 12px; font-weight: 600; display: inline-block; margin-bottom: 16px; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; letter-spacing: 0.04em; text-transform: uppercase; }
.detail-title { font-size: 42px; font-weight: 900; margin-bottom: 20px; color: #fff; letter-spacing: -0.05em; line-height: 1.1; }
.detail-lead { font-size: 16px; color: rgba(255,255,255,0.5); line-height: 1.85; max-width: 600px; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 28px; }
.detail-meta .tag { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.65); border: 1px solid rgba(255,255,255,0.08); }
.detail-meta .tag:hover { background: rgba(255,255,255,0.15); }

/* === Detail Body === */
.detail-body-wrapper { padding: 0 40px 60px; background: var(--bg); }
.detail-body-inner { max-width: 720px; margin: 0 auto; padding-top: 36px; }

.detail-info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin-bottom: 36px; }
.detail-info-card { display: flex; flex-direction: column; gap: 2px; padding: 16px 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); }
.detail-info-icon { font-size: 14px; color: var(--accent-1); margin-bottom: 4px; }
.detail-info-label { font-size: 10px; font-weight: 700; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.detail-info-value { font-size: 14px; font-weight: 700; color: var(--ink); line-height: 1.4; }

.detail-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 28px 30px; margin-bottom: 10px; transition: box-shadow 0.2s; }
.detail-card:hover { box-shadow: var(--sh-md); }
.detail-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.detail-card-icon { width: 38px; height: 38px; border-radius: var(--r-xs); display: flex; align-items: center; justify-content: center; font-size: 15px; }
.detail-card-icon-bg { background: var(--accent-soft); color: var(--accent-1); }
.detail-card-icon-impl { background: var(--teal-bg); color: var(--teal); }
.detail-card-icon-effect { background: var(--effect-bg); color: var(--effect-c); }
.detail-card-icon-lesson { background: var(--amber-bg); color: var(--amber); }

.detail-h2 { font-size: 17px; font-weight: 800; color: var(--ink); letter-spacing: -0.01em; margin: 0; }
.detail-h2-effect { color: var(--effect-c); }
.detail-text { font-size: 15px; color: var(--ink-sub); line-height: 2; }

.detail-card-effect { background: var(--bg); }
.detail-quant { font-size: 28px; font-weight: 900; color: var(--effect-c); margin-bottom: 12px; line-height: 1.25; letter-spacing: -0.03em; }
.detail-effect { font-size: 15px; color: var(--ink-sub); line-height: 1.9; }

.detail-actions { display: flex; align-items: center; gap: 8px; margin-bottom: 40px; }
.detail-action-btn { display: inline-flex; align-items: center; gap: 6px; padding: 11px 22px; font-size: 14px; font-weight: 700; font-family: var(--font); border-radius: var(--r-xs); cursor: pointer; transition: all 0.15s; border: none; }
.detail-action-source { background: var(--accent-gradient); color: #fff; box-shadow: 0 2px 8px rgba(108,92,231,0.2); }
.detail-action-source:hover { box-shadow: 0 4px 16px rgba(108,92,231,0.3); transform: translateY(-1px); }
.detail-action-copy { background: var(--surface); color: var(--ink-sub); border: 1px solid var(--border); }
.detail-action-copy:hover { border-color: var(--accent-1); color: var(--accent-1); }

/* === Related === */
.related-section { padding-top: 36px; border-top: 1px solid var(--border); }
.related-section .detail-h2 { margin-bottom: 16px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
.related-card { display: flex; flex-direction: column; gap: 8px; padding: 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); transition: all 0.2s; }
.related-card:hover { border-color: rgba(108,92,231,0.25); box-shadow: var(--sh-glow); transform: translateY(-2px); }
.related-card-company { font-size: 15px; font-weight: 800; color: var(--ink); }
.related-card-summary { font-size: 13px; color: var(--ink-sub); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.related-card-tags { display: flex; flex-wrap: wrap; gap: 3px; margin-top: auto; }

/* === Footer === */
.site-footer { padding: 20px 24px; border-top: 1px solid var(--border); }
.footer-inner { display: flex; align-items: center; justify-content: center; gap: 20px; font-size: 12px; color: var(--ink-faint); }
.footer-inner a { color: var(--ink-faint); }
.footer-inner a:hover { color: var(--accent-1); }
.footer-link { font-weight: 600; }

/* === Mobile === */
.mobile-filter-toggle { display: none; }
@media (max-width: 768px) {
  .sidebar { position: static; width: 100%; border-right: none; border-bottom: 1px solid var(--border); display: none; }
  .sidebar.sidebar-open { display: block; }
  .mobile-filter-toggle {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    width: 100%; padding: 10px; font-size: 13px; font-weight: 700;
    color: var(--ink-sub); background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--r-xs); cursor: pointer; margin-bottom: 12px;
  }
  .mobile-filter-toggle:hover { color: var(--accent-1); }
  .mobile-filter-toggle .filter-count-badge {
    min-width: 18px; height: 18px; padding: 0 5px; font-size: 11px; font-weight: 700;
    color: #fff; background: var(--accent-gradient); border-radius: var(--pill);
    display: inline-flex; align-items: center; justify-content: center;
  }
  .layout { flex-direction: column; }
  .content { margin-left: 0; padding: 20px 16px; }
  .quick-search-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid { grid-template-columns: 1fr; }
  .content-header { flex-direction: column; align-items: flex-start; }
  .content-header-right { width: 100%; justify-content: space-between; }
  .result-count { font-size: 40px; }
  .detail-hero { padding: 0 16px; }
  .detail-hero-inner { padding: 28px 0 36px; }
  .detail-title { font-size: 28px; }
  .detail-body-wrapper { padding: 0 16px 40px; }
  .detail-card { padding: 20px; }
  .detail-card-icon { width: 34px; height: 34px; font-size: 14px; }
  .detail-info-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-actions { flex-direction: column; }
  .detail-action-btn { width: 100%; justify-content: center; }
  .related-grid { grid-template-columns: 1fr; }
  .header { padding: 0 16px; }
  .header-credit-name { display: none; }
  .header-credit-label { display: none; }
  .header-sub { display: none; }
}