:root {
  --bg: #f4f0e8;
  --paper: #fbf8f2;
  --paper-2: #f0eadf;
  --ink: #23201c;
  --muted: #756c60;
  --line: #d8cfc2;
  --line-strong: #bcae9d;
  --accent: #8e5c42;
  --accent-soft: rgba(142, 92, 66, 0.1);
  --shadow: 0 10px 30px rgba(70, 53, 39, 0.08);
}

:root[data-theme="dark"] {
  --bg: #181614;
  --paper: #211e1a;
  --paper-2: #2a2622;
  --ink: #f0e8dc;
  --muted: #b8aa98;
  --line: #443b33;
  --line-strong: #655648;
  --accent: #d4a373;
  --accent-soft: rgba(212, 163, 115, 0.14);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", "Noto Serif TC", serif;
  line-height: 1.75;
}

a { color: inherit; }
button, input, select { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.brand {
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.top-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.top-nav a:hover,
.top-nav a:focus-visible,
.brand:hover,
.brand:focus-visible {
  color: var(--ink);
}

#theme-toggle,
.button,
.sort-btn,
.page-btn,
.copy-btn {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  cursor: pointer;
  transition: 0.16s ease;
}

#theme-toggle {
  width: 2.4rem;
  height: 2.4rem;
}

.button,
.sort-btn,
.page-btn,
.copy-btn {
  padding: 0.55rem 0.95rem;
}

#theme-toggle:hover,
.button:hover,
.sort-btn:hover,
.page-btn:hover,
.copy-btn:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

main {
  width: min(1080px, calc(100% - 1.5rem));
  margin: 0 auto;
}

.hero,
.note-card,
.controls-panel,
.card,
.closing-note {
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero {
  margin-top: 1.2rem;
  padding: 2rem 1.35rem 1.5rem;
  border-radius: 1.4rem;
}

.kicker,
.section-label,
.hero-note,
.last-updated,
.filter-count,
.card-extra,
.card-footer,
.card-meta,
.card-desc,
.note-card p,
.closing-note p {
  color: var(--muted);
}

.kicker,
.section-label {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero h1,
.section-head h2,
.note-card h2 {
  margin: 0 0 0.8rem;
  line-height: 1.18;
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  max-width: 11ch;
}

.lead {
  max-width: 43rem;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.button-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.button-secondary {
  background: transparent;
}

.hero-note {
  margin-top: 1rem;
  max-width: 42rem;
  font-size: 0.95rem;
}

.hero-stats {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-top: 1.3rem;
}

.hero-stat {
  min-width: 11rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--paper-2);
}

.hero-stat-label {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.hero-stat strong {
  font-size: 1.25rem;
}

.section {
  margin-top: 1.3rem;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.note-card,
.controls-panel,
.card,
.closing-note {
  border-radius: 1.2rem;
}

.note-card {
  padding: 1.15rem;
}

.list-section {
  padding-bottom: 0.4rem;
}

.section-head {
  margin-bottom: 0.9rem;
}

.controls-panel {
  padding: 1rem;
}

.controls-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.stats,
#stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.stat-badge {
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--muted);
  font-size: 0.85rem;
}

.stat-badge strong { color: var(--ink); }

.controls {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  align-items: center;
}

.search-box,
.filter-select {
  min-height: 2.8rem;
  border-radius: 0.95rem;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
  padding: 0.72rem 0.9rem;
}

.search-box {
  flex: 1 1 18rem;
}

.filter-select {
  min-width: 9rem;
}

.search-box:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--line-strong);
}

.search-box::placeholder { color: var(--muted); }

.sort-group,
.pagination {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.sort-btn.active,
.page-btn.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0.9rem;
  margin-top: 0.9rem;
}

.card {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card:hover {
  border-color: var(--line-strong);
}

.card-header,
.card-title-row,
.card-meta,
.card-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.card-header {
  justify-content: space-between;
  align-items: flex-start;
}

.card-title a {
  text-decoration: none;
  font-weight: 700;
}

.card-title a:hover {
  color: var(--accent);
}

.card-profile,
.badge-new,
.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 0.75rem;
  padding: 0.18rem 0.55rem;
}

.card-profile {
  background: var(--accent-soft);
  color: var(--accent);
}

.badge-new {
  background: var(--paper-2);
  border: 1px solid var(--line);
  color: var(--muted);
}

.card-meta {
  font-size: 0.84rem;
}

.card-meta a {
  text-decoration: none;
  color: var(--accent);
}

.card-recommendation,
.card-extra {
  padding: 0.8rem 0.9rem;
  border-radius: 0.95rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
}

.card-recommendation {
  color: var(--ink);
}

.card-extra strong {
  color: var(--ink);
}

.card-footer {
  justify-content: space-between;
  margin-top: auto;
  font-size: 0.82rem;
}

.copy-btn.copied {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.pagination {
  justify-content: center;
  margin: 1rem 0 0.2rem;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 2.4rem 1rem;
  border-radius: 1.2rem;
  border: 1px dashed var(--line-strong);
  text-align: center;
  color: var(--muted);
}

.closing-note {
  margin: 1.2rem 0 2rem;
  padding: 1rem 1.15rem;
}

@media (max-width: 900px) {
  .intro-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header,
  .controls-top,
  .card-header,
  .card-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  main {
    width: min(100% - 1rem, 1080px);
  }

  .hero {
    padding: 1.4rem 1rem 1.2rem;
  }

  .hero h1 {
    max-width: 100%;
  }
}