/* ============================================
   TeamWiki · Layout & Components
   ============================================ */

/* ===== App shell ===== */
.app {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 252px 1fr;
  min-height: 100vh;
}

/* ===== Top nav (fixed pill) ===== */
.topbar {
  position: fixed; top: 14px; left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  display: flex; align-items: center; gap: 18px;
  padding: 8px 16px 8px 14px;
  border-radius: 999px;
  height: 48px;
  min-width: min(720px, calc(100vw - 32px));
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 14px; letter-spacing: -0.01em;
}
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-2), #ff5fb1);
  box-shadow: 0 0 10px rgba(41,151,255,0.6);
}
.brand-name { color: var(--ink); }
.brand-sub { color: var(--ink-3); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; }

.topbar-search {
  flex: 1;
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line-2);
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
  transition: all 0.2s;
}
.topbar-search:hover { background: rgba(255,255,255,0.08); }
.topbar-search .ts-icon { opacity: 0.5; }
.topbar-search .ts-text { flex: 1; opacity: 0.7; }

.topbar-actions { display: inline-flex; gap: 8px; align-items: center; }

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  top: 76px;
  bottom: 16px;
  left: 16px;
  width: 220px;
  z-index: 40;
  padding: 16px 8px 16px 16px;
  overflow-y: auto;
}
.sidebar-section { margin-bottom: 18px; }
.sidebar-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 6px 10px;
  display: flex; align-items: center; gap: 8px;
}
.sidebar-title .layer-dot {
  width: 6px; height: 6px; border-radius: 50%;
}
.sidebar-link {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px;
  margin: 2px 0;
  border-radius: 10px;
  font-size: 13px;
  color: var(--ink-2);
  transition: all 0.18s;
}
.sidebar-link:hover {
  background: rgba(255,255,255,0.05);
  color: var(--ink);
}
.sidebar-link.active {
  background: rgba(41,151,255,0.14);
  color: var(--ink);
  border: 1px solid rgba(41,151,255,0.28);
}
.sidebar-link .sl-icon {
  width: 22px; height: 22px;
  border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
  color: #fff;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line-2);
}
.sidebar-link.active .sl-icon { background: var(--blue); border-color: var(--blue); }
.sidebar-link .sl-name { flex: 1; }
.sidebar-link .sl-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
}

/* ===== Main content ===== */
.main {
  grid-column: 2;
  margin-left: 252px;
  padding: 88px 36px 60px;
  min-width: 0;
  max-width: 1280px;
}

@media (max-width: 1100px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 88px 20px 60px; }
}

/* ===== Page header ===== */
.page-head {
  display: flex; align-items: flex-end; gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.page-head h1 {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 6px 0 0;
  flex: 1;
}
.page-head .ph-meta {
  display: flex; gap: 8px; align-items: center;
  flex-wrap: wrap;
}
.page-head .ph-sub {
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-2);
  flex-basis: 100%;
}
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--ink-3);
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb .sep { opacity: 0.4; }

/* ===== Filters / toolbar ===== */
.toolbar {
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.toolbar .filter-chips { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }
.filter-chip {
  font-size: 12px;
  padding: 5px 11px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  cursor: pointer;
  transition: all 0.18s;
}
.filter-chip:hover { border-color: var(--line-3); color: var(--ink); }
.filter-chip.active {
  background: rgba(41,151,255,0.16);
  border-color: rgba(41,151,255,0.45);
  color: var(--ink);
}

/* ===== Card grid ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.cards-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 980px) {
  .cards-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .cards-3 { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  padding: 18px 18px 16px;
  border-radius: var(--radius-sm);
  background: rgba(20, 22, 30, 0.42);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--line);
  transition: transform 0.3s cubic-bezier(0.2,0.8,0.2,1),
              border-color 0.2s, background 0.2s;
  display: flex; flex-direction: column;
  min-height: 168px;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--line-3);
  background: rgba(24, 26, 36, 0.55);
}
.card-head {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 10px;
}
.mono {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 14px; font-weight: 700;
  color: #fff;
  background: var(--accent, var(--blue));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.35),
    0 6px 16px rgba(0,0,0,0.35);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 2px;
}
.card-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.card-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  margin-left: auto;
}
.card-desc {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.5;
  margin: 4px 0 12px;
  flex: 1;
}
.card-foot {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 11px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  gap: 8px;
}
.card-foot .meta { display: inline-flex; gap: 8px; align-items: center; }
.card-foot .actions { display: inline-flex; gap: 6px; }
.card-foot .copy-btn {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--ink-3);
  cursor: pointer;
  transition: color 0.2s;
  background: none;
  border: none;
  padding: 0;
  text-transform: uppercase;
}
.card-foot .copy-btn:hover { color: var(--blue-2); }

/* ===== Layer hero（首页 4 大入口） ===== */
.layers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}
@media (max-width: 860px) { .layers { grid-template-columns: 1fr; } }

.layer {
  padding: 24px 24px 20px;
  border-radius: var(--radius);
  background: rgba(20, 22, 30, 0.5);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.layer::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--layer-color, var(--blue));
  opacity: 0.85;
}
.layer-head {
  display: flex; align-items: baseline; gap: 12px; margin-bottom: 4px;
}
.layer-name {
  font-size: 18px; font-weight: 700; letter-spacing: -0.01em;
}
.layer-en {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.layer-desc {
  font-size: 13px;
  color: var(--ink-2);
  margin: 0 0 16px;
}
.layer-mods {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.layer-mod {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-2);
  transition: all 0.2s;
}
.layer-mod:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--line-2);
  color: var(--ink);
  transform: translateY(-1px);
}
.layer-mod .lm-num {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--ink-3);
}

/* ===== Stats row ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 24px 0 4px;
}
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
}
.stat-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.stat-label {
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 2px;
}

/* ===== Lists ===== */
.list {
  display: flex; flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(20, 22, 30, 0.32);
}
.list-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  transition: background 0.18s;
}
.list-row:last-child { border-bottom: 0; }
.list-row:hover { background: rgba(255,255,255,0.03); }
.list-row .lr-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.list-row .lr-title { font-size: 14px; font-weight: 600; color: var(--ink); }
.list-row .lr-sub { font-size: 12px; color: var(--ink-3); }
.list-row .lr-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }

/* ===== Code block ===== */
.code {
  display: block;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink);
  overflow-x: auto;
}
.code .c-comment { color: var(--ink-3); }
.code .c-key { color: #ff7ab6; }
.code .c-str { color: #6ad4a3; }

/* ===== Builder layout ===== */
.builder {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 18px;
  align-items: start;
}
@media (max-width: 980px) { .builder { grid-template-columns: 1fr; } }
.builder-side {
  position: sticky; top: 88px;
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(20,22,30,0.5);
  border: 1px solid var(--line);
}
.builder-section {
  margin-bottom: 20px;
}
.builder-section h3 {
  margin: 0 0 10px;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.option-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.option {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-xs);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  cursor: pointer;
  font-size: 13px;
  color: var(--ink-2);
  user-select: none;
  transition: all 0.18s;
}
.option:hover { background: rgba(255,255,255,0.06); border-color: var(--line-2); }
.option.checked {
  background: rgba(41,151,255,0.14);
  border-color: rgba(41,151,255,0.45);
  color: var(--ink);
}
.option .opt-mark {
  width: 16px; height: 16px;
  border-radius: 5px;
  border: 1px solid var(--line-3);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.option.checked .opt-mark {
  background: var(--blue);
  border-color: var(--blue);
}

/* ===== Tag ===== */
.tag {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(255,255,255,0.05);
  color: var(--ink-2);
  letter-spacing: 0.04em;
}
.tag.t-blue { background: rgba(41,151,255,0.18); color: #9ec5ff; }
.tag.t-green { background: rgba(106,212,163,0.18); color: #a3eccd; }
.tag.t-pink { background: rgba(255,122,182,0.18); color: #ffb3d4; }
.tag.t-orange { background: rgba(255,106,61,0.18); color: #ffae93; }
.tag.t-purple { background: rgba(176,123,255,0.18); color: #d4b5ff; }

/* ===== Empty / placeholder ===== */
.placeholder {
  padding: 80px 24px;
  text-align: center;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
  border: 1px dashed var(--line-2);
  color: var(--ink-3);
}
.placeholder h3 {
  margin: 0 0 6px;
  color: var(--ink);
  font-weight: 600;
}
.placeholder p {
  margin: 0 auto;
  max-width: 420px;
  font-size: 13px;
  line-height: 1.6;
}

/* ===== Section ===== */
.section { margin-top: 32px; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}
.section-head .more {
  font-size: 12px;
  color: var(--ink-3);
  font-family: var(--font-mono);
}
.section-head .more:hover { color: var(--ink); }

/* ===== Footer ===== */
.foot {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--ink-3);
  letter-spacing: 0.06em;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  left: 50%; bottom: 32px;
  transform: translateX(-50%) translateY(20px);
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(20,22,30,0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line-2);
  font-size: 13px;
  color: var(--ink);
  z-index: 100;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.2,0.8,0.2,1);
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}