/*  chromatic-tokens */
:root {
  --bg: #f2f2f7;
  --card-bg: #fff;
  --card-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04), 0 8px 32px rgba(0,0,0,0.06);
  --card-shadow-hover: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.08), 0 16px 48px rgba(0,0,0,0.12);
  --cover-bg: #f5f5f7;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --text-placeholder: #aeaeb2;
  --tag-bg: #f5f5f7;
  --tag-color: #86868b;
  --badge-safe-bg: rgba(0,122,255,0.10);
  --badge-safe-color: #0077ed;
  --pending-text: #aeaeb2;

  /*  nav */
  --nav-bg: rgba(242,242,247,0.72);
  --nav-border: rgba(0,0,0,0.08);

  /*  segmented-control */
  --seg-bg: rgba(0,0,0,0.05);
  --seg-active-bg: #fff;
  --seg-active-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --seg-hover-bg: rgba(0,0,0,0.03);

  /*  chip */
  --chip-bg: rgba(0,0,0,0.04);
  --chip-hover-bg: rgba(0,0,0,0.07);
  --chip-active-bg: rgba(0,0,0,0.10);

  /*  search */
  --search-bg: rgba(0,0,0,0.04);
  --search-focus-bg: #fff;

  /*  sheet */
  --sheet-bg: rgba(255,255,255,0.94);
  --backdrop-bg: rgba(0,0,0,0.30);
}

body.dark {
  --bg: #1c1c1e;
  --card-bg: #2c2c2e;
  --card-shadow: 0 1px 2px rgba(0,0,0,0.14), 0 4px 16px rgba(0,0,0,0.18), 0 8px 32px rgba(0,0,0,0.24);
  --card-shadow-hover: 0 1px 2px rgba(0,0,0,0.14), 0 8px 24px rgba(0,0,0,0.28), 0 16px 48px rgba(0,0,0,0.36);
  --cover-bg: #2c2c2e;
  --text-primary: #f5f5f7;
  --text-secondary: #98989d;
  --text-tertiary: #636366;
  --text-placeholder: #48484a;
  --tag-bg: #3a3a3c;
  --tag-color: #98989d;
  --badge-safe-bg: rgba(10,132,255,0.15);
  --badge-safe-color: #0a84ff;
  --pending-text: #636366;

  --nav-bg: rgba(28,28,30,0.72);
  --nav-border: rgba(255,255,255,0.08);

  --seg-bg: rgba(255,255,255,0.06);
  --seg-active-bg: #48484a;
  --seg-active-shadow: 0 1px 3px rgba(0,0,0,0.24), 0 1px 2px rgba(0,0,0,0.16);
  --seg-hover-bg: rgba(255,255,255,0.04);

  --chip-bg: rgba(255,255,255,0.06);
  --chip-hover-bg: rgba(255,255,255,0.10);
  --chip-active-bg: rgba(255,255,255,0.14);

  --search-bg: rgba(255,255,255,0.06);
  --search-focus-bg: rgba(255,255,255,0.10);

  --sheet-bg: rgba(44,44,46,0.96);
  --backdrop-bg: rgba(0,0,0,0.55);
}

/* =====  global-reset ===== */

html {
  overflow: auto;
  height: auto;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: var(--text-placeholder) transparent;
}

body {
  color: var(--text-primary);
  background: var(--bg);
  transition: background 0.3s ease;
}

.js-wrapper { flex-direction: column; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-placeholder); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* =====  navigation-bar ===== */

.nav-bar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--nav-border);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  column-gap: 32px;
  align-items: center;
}

/* brand */
.nav-brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  justify-self: start;
}

.nav-logo {
  font-size: 22px; font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-primary);
  text-decoration: none;
  line-height: 1;
  transition: color 0.3s ease;
}

.nav-tagline {
  font-size: 12px; font-weight: 400;
  color: var(--text-tertiary);
  white-space: nowrap;
  transition: color 0.3s ease;
}

/* =====  segmented-control ===== */

.nav-seg {
  display: flex;
  background: var(--seg-bg);
  border-radius: var(--r-md);
  padding: 3px;
  gap: 1px;
  flex-shrink: 0;
  transition: background 0.3s ease;
}

.seg-btn {
  padding: 7px 18px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px; font-weight: 500;
  border-radius: var(--r-sm);
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.seg-btn:hover { color: var(--text-primary); background: var(--seg-hover-bg); }

.seg-btn.active {
  background: var(--seg-active-bg);
  color: var(--text-primary);
  box-shadow: var(--seg-active-shadow);
}

.seg-btn:active { transform: scale(0.96); }

/* =====  nav-actions ===== */

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-shrink: 0;
}

.search-box {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border-radius: var(--r-md);
  background: var(--search-bg);
  border: 1px solid transparent;
  box-shadow: 0 0 0 0 transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  cursor: text;
}

.search-box:focus-within {
  background: var(--search-focus-bg);
  border-color: var(--nav-border);
  box-shadow: 0 0 0 1px var(--nav-border);
}

.search-icon { flex-shrink: 0; color: var(--text-placeholder); transition: color 0.3s ease; }

.search-input {
  border: none; background: transparent;
  color: var(--text-primary);
  font-size: 13px; font-family: inherit;
  width: 140px; outline: none;
  transition: width 0.35s cubic-bezier(0.25, 0.1, 0.25, 1), color 0.3s ease;
}

.search-input::placeholder { color: var(--text-placeholder); transition: color 0.3s ease; }
.search-box:focus-within .search-input { width: 180px; }

.nav-link {
  font-size: 14px; font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 7px 16px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover {
  background: var(--seg-hover-bg);
  color: var(--text-primary);
  border-color: var(--nav-border);
}

.nav-link--fill {
  background: var(--badge-safe-bg);
  color: var(--badge-safe-color);
  border-color: transparent;
}

.nav-link--fill:hover { opacity: 0.85; border-color: transparent; }

/* =====  burger (narrow) ===== */

.nav-burger {
  display: none;
  align-items: center; gap: 4px;
  padding: 6px 12px;
  border: 1px solid var(--nav-border);
  border-radius: var(--r-md);
  background: var(--chip-bg);
  color: var(--text-secondary);
  font-size: 13px; font-weight: 500;
  flex-shrink: 0;
  cursor: pointer;
  transition: background 0.2s ease, color 0.3s ease, border-color 0.3s ease;
}

.nav-burger:hover { background: var(--chip-hover-bg); }
.nav-burger svg { transition: transform 0.2s ease; }
.nav-burger.open svg { transform: rotate(180deg); }

/* =====  sieve-overlay ===== */

.sieve-overlay {
  position: fixed; inset: 0;
  z-index: 2000;
  display: flex; align-items: flex-end;
  pointer-events: none;
}

.sieve-overlay.open { pointer-events: auto; }

.sieve-backdrop {
  position: absolute; inset: 0;
  background: var(--backdrop-bg);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sieve-overlay.open .sieve-backdrop { opacity: 1; }

.sieve-sheet {
  position: relative;
  width: 100%; max-width: 480px;
  margin: 0 auto;
  background: var(--sheet-bg);
  backdrop-filter: blur(40px) saturate(180%);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  padding: 20px 24px calc(20px + env(safe-area-inset-bottom, 0px));
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
}

.sieve-overlay.open .sieve-sheet { transform: translateY(0); }

.sieve-sheet-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}

.sieve-sheet-title { font-size: 18px; font-weight: 700; color: var(--text-primary); transition: color 0.3s ease; }

.sieve-sheet-done {
  font-size: 15px; font-weight: 600;
  color: var(--badge-safe-color);
  background: none; border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--r-sm);
  transition: background 0.2s ease, color 0.3s ease;
}

.sieve-sheet-done:hover { background: var(--seg-hover-bg); }

.sieve-sheet-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.sieve-chip {
  padding: 14px 12px;
  border: 1px solid var(--nav-border);
  border-radius: var(--r-md);
  background: var(--chip-bg);
  color: var(--text-secondary);
  font-size: 15px; font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.sieve-chip:hover { background: var(--chip-hover-bg); border-color: var(--text-placeholder); }

.sieve-chip.active {
  background: var(--badge-safe-bg);
  color: var(--badge-safe-color);
  border-color: var(--badge-safe-color);
}

/* =====  sub-bar ===== */

.sub-bar {
  position: sticky;
  top: 56px;
  z-index: 999;
  padding: 20px 0;
  width: 100%;
}

.sub-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background: var(--bg);
  transition: background 0.3s ease;
}

.sub-actions {
  display: flex; align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.sub-div {
  width: 1px; height: 18px;
  background: var(--nav-border);
  border-radius: 1px;
  transition: background 0.3s ease;
}

/* chip */
.chip {
  padding: 6px 14px;
  border: 1px solid var(--nav-border);
  border-radius: var(--r-md);
  background: var(--chip-bg);
  color: var(--text-secondary);
  font-size: 13px; font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.3s ease, color 0.2s ease, border-color 0.3s ease;
}

.chip:hover { background: var(--chip-hover-bg); color: var(--text-primary); border-color: var(--text-placeholder); }

.chip.active {
  background: var(--chip-active-bg);
  color: var(--text-primary);
  border-color: var(--text-tertiary);
}

.chip:active { transform: scale(0.94); }

.chip.disabled { opacity: 0.40; filter: saturate(0.3); pointer-events: none; }

.chip--random { background: transparent; color: var(--text-tertiary); transition: color 0.3s ease, background 0.3s ease; }
.chip--random:hover { color: var(--text-secondary); background: var(--chip-bg); }

.cat-chips { display: flex; gap: 4px; }

/* announce */
.site-announce {
  flex: 1; min-width: 0;
  display: flex; align-items: center;
  padding: 0 10px;
  border-radius: var(--r-md);
  background: var(--card-bg);
  border: 1px solid var(--nav-border);
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
  overflow: hidden;
  height: 34px;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.announce-icon { flex-shrink: 0; stroke: var(--text-secondary); margin-right: 6px; transition: stroke 0.3s ease; }

.announce-wrap {
  flex: 1; min-width: 0; overflow: hidden;
  display: flex; align-items: center;
  padding: 4px 12px;
  border-radius: var(--r-sm);
  background: var(--chip-bg);
  mask-image: linear-gradient(to right, transparent 0%, black 4%, black 96%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 4%, black 96%, transparent 100%);
  transition: background 0.3s ease;
}

.announce-inner {
  display: inline-block;
  font-size: 12px; font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: color 0.3s ease;
}

.announce-scroll { animation: announce-marquee 50s linear infinite; }

@keyframes announce-marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* =====  tile-mesh ===== */

.card-grid {
  width: min(1200px, 94vw);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  animation: fadeUp 0.6s var(--ease-out) both;
  padding: 16px 0 40px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--card-shadow);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), background 0.3s ease;
  cursor: pointer;
  display: flex; flex-direction: column;
  contain: layout style paint;
}

.card:hover { transform: scale(1.02); box-shadow: var(--card-shadow-hover); will-change: transform; }
.card:active { transform: scale(0.98); }

.card-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--cover-bg);
  overflow: hidden;
}

.card-cover img { width: 100%; height: 100%; object-fit: cover; }

.card-cover .placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-placeholder);
  font-size: 14px; font-weight: 400;
  transition: color 0.3s ease;
}

.card-body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex; flex-direction: column;
  gap: 6px;
}

.card-body .name {
  font-size: 16px; font-weight: 600;
  letter-spacing: -0.2px; line-height: 1.35;
  color: var(--text-primary);
  transition: color 0.3s ease;
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}

.cover-tags {
  position: absolute; top: 12px; left: 12px;
  display: flex; gap: 4px;
  pointer-events: none; z-index: 2;
}

.cover-shop {
  padding: 3px 10px;
  border-radius: var(--r-sm);
  font-size: 11px; font-weight: 500;
  backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
}

.card-body .desc {
  font-size: 14px; color: var(--text-secondary); line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-weight: 400;
  transition: color 0.3s ease;
}

.card-body .meta-row {
  display: flex; align-items: center;
  gap: 8px; flex-wrap: wrap;
  margin-bottom: 2px;
}

.card-body .type-tag {
  font-size: 11px; font-weight: 500;
  padding: 3px 8px;
  border-radius: var(--r-sm);
  background: var(--tag-bg);
  color: var(--tag-color);
  transition: background 0.3s ease, color 0.3s ease;
}

/* tile-review */
.card.review { cursor: default; }
.card.review:hover { transform: none; box-shadow: var(--card-shadow); }
.card.review:active { transform: none; }

.review-overlay {
  position: absolute; inset: 0;
  background: rgba(60, 60, 60, 0.50);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, 0.90);
  font-size: 22px; font-weight: 600; letter-spacing: 4px;
  z-index: 3; pointer-events: none;
}

/* tile-cold */
.card.pending .card-cover .placeholder { color: var(--pending-text); transition: color 0.3s ease; }
.card.pending .card-body .name { color: var(--pending-text); transition: color 0.3s ease; }
.card.pending .card-body .desc { color: var(--pending-text); transition: color 0.3s ease; }
.card.pending:hover { transform: none; box-shadow: var(--card-shadow); cursor: default; }
.card.pending:active { transform: none; }

/* =====  peak-return ===== */

.top-bar {
  position: fixed; top: -48px; left: 50%; transform: translateX(-50%);
  z-index: 1000;
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  border-radius: 0 0 var(--r-md) var(--r-md);
  padding: 8px 22px;
  transition: top 0.35s var(--ease-out), background 0.3s ease, box-shadow 0.3s ease;
}

.top-bar.visible { top: 0; }

.top-btn {
  display: inline-flex; align-items: center; gap: 4px;
  border: none; background: none;
  color: var(--text-secondary);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  padding: 4px 0;
  border-radius: var(--r-sm);
  transition: color 0.3s ease;
}

.top-btn:hover { color: var(--text-primary); }
.top-btn svg { width: 16px; height: 16px; }

/* =====  gamma-flip ===== */

.dark-toggle {
  position: fixed; z-index: 1000;
  right: 24px; bottom: 28px;
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--nav-border);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), background 0.3s ease;
}

.dark-toggle:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hover); }
.dark-toggle:active { transform: scale(0.92); }
.dark-toggle svg { width: 20px; height: 20px; }

/* =====  pagination ===== */

.pager {
  display: flex; justify-content: center; align-items: center;
  gap: 6px;
  width: min(1200px, 94vw);
  padding: 8px 0 4px;
}

.pager-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px;
  padding: 0 10px;
  border-radius: var(--r-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.pager-btn:hover { background: var(--tag-bg); color: var(--text-primary); border-color: var(--nav-border); }
.pager-btn.active { background: var(--badge-safe-bg); color: var(--badge-safe-color); }

/* =====  footer ===== */

.site-footer {
  width: min(1200px, 94vw);
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 0 16px;
  margin-top: 40px;
  color: var(--text-placeholder);
  font-size: 12px; line-height: 1.8;
  transition: color 0.3s ease;
}

.footer-left { text-align: left; }

.footer-right { display: flex; align-items: center; gap: 6px; flex-shrink: 0; text-align: right; }
.footer-sep { color: var(--nav-border); transition: color 0.3s ease; }
.site-footer a { color: inherit; text-decoration: none; }
.site-footer a:hover { color: var(--text-secondary); }

@media (max-width: 680px) {
  .site-footer {
    flex-direction: column; align-items: center;
    gap: 6px; text-align: center;
    padding: 20px 0 40px;
  }
  .footer-right { flex-wrap: wrap; justify-content: center; text-align: center; }
}

/* =====  responsive ===== */

@media (max-width: 960px) {
  .nav-inner { display: flex; padding: 12px 24px; gap: 14px; }
  .nav-seg { display: none; }
  .nav-link { display: none; }
  .nav-burger { display: flex; margin-left: auto; }
  .nav-actions { margin-left: auto; }
  .sub-bar { top: 52px; }
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .card-body { padding: 14px 16px 16px; }
  .card-body .name { font-size: 15px; }
}

@media (max-width: 680px) {
  .nav-inner { padding: 10px 16px; gap: 10px; }
  .nav-logo { font-size: 20px; }
  .nav-tagline { display: none; }
  .search-box { padding: 5px 10px; }
  .search-input { width: 100px; }
  .search-box:focus-within .search-input { width: 130px; }
  .sub-bar { top: 48px; padding: 10px 0; }
  .sub-inner { padding: 0 16px; flex-direction: column; align-items: flex-end; gap: 8px; }
  .site-announce { flex: none; width: 100%; }
  .card-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; padding: 10px 0 28px; }
  .card { border-radius: var(--r-md); }
  .card-body { padding: 10px 10px 12px; gap: 3px; }
  .card-body .name { font-size: 13px; }
  .card-body .desc { font-size: 12px; }
  .cover-shop { padding: 2px 8px; font-size: 10px; }
  .card-body .type-tag { font-size: 10px; }
  .dark-toggle { bottom: 20px; right: 16px; }
  .sieve-sheet { max-width: 100%; padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0px)); }
  .sieve-sheet-grid { gap: 8px; }
  .sieve-chip { padding: 12px 10px; font-size: 14px; }
}

@media (max-width: 400px) {
  .nav-inner { padding: 8px 12px; }
  .nav-logo { font-size: 18px; }
  .nav-burger { padding: 5px 10px; font-size: 12px; }
  .search-box { padding: 4px 8px; }
  .search-input { width: 80px; font-size: 12px; }
  .search-box:focus-within .search-input { width: 100px; }
  .sub-inner { padding: 0 12px; }
  .card-grid { gap: 8px; }
  .card-body { padding: 10px 10px 12px; }
  .sieve-sheet-grid { grid-template-columns: repeat(2, 1fr); }
  .chip { font-size: 12px; padding: 5px 12px; }
}