@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Manrope:wght@500;600;700&display=swap");

:root {
  color-scheme: light;
  --bg: #f2f1ec;
  --surface: #fbfaf6;
  --surface-strong: #1b1d1a;
  --text: #1b1d1a;
  --muted: #6d7069;
  --line: rgba(27, 29, 26, 0.16);
  --line-strong: rgba(27, 29, 26, 0.72);
  --accent: #d8ff55;
  --accent-ink: #13170a;
  --orange: #ff6a3d;
  --blue: #769cff;
  --cyan: #5fd4cf;
  --sand: #e7c990;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(32, 35, 29, 0.1);
  --font-display: "Manrope", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "DM Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121411;
  --surface: #1b1d19;
  --surface-strong: #e9e9e2;
  --text: #ecece4;
  --muted: #a2a69b;
  --line: rgba(236, 236, 228, 0.14);
  --line-strong: rgba(236, 236, 228, 0.64);
  --accent-ink: #161b08;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  transition: background 240ms ease, color 240ms ease;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

.page-noise {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.85'/%3E%3C/svg%3E");
}

.site-header,
main,
.site-footer {
  width: min(1440px, calc(100% - 64px));
  margin-inline: auto;
}

.site-header {
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-strong);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px 10px 10px 3px;
  background: var(--text);
  color: var(--bg);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.brand-divider {
  width: 1px;
  height: 16px;
  margin-left: 2px;
  background: var(--line-strong);
}

.brand-caption {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.system-state {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 18px;
  color: var(--muted);
  font-size: 12px;
}

.state-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #74c66d;
  box-shadow: 0 0 0 4px rgba(116, 198, 109, 0.14);
  animation: breathe 2.8s ease-in-out infinite;
}

.icon-button {
  border: 1px solid var(--line);
  color: var(--text);
  background: transparent;
  cursor: pointer;
}

.icon-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.icon-button:hover {
  border-color: var(--line-strong);
  background: var(--surface);
  transform: rotate(8deg);
}

.icon-button svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.moon-icon,
[data-theme="dark"] .sun-icon {
  display: none;
}

[data-theme="dark"] .moon-icon {
  display: block;
}

h3,
p {
  text-wrap: pretty;
}

.directory {
  padding: 72px 0 100px;
}

.search-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}

.search-box {
  min-height: 68px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 0 22px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: var(--surface);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.search-box:focus-within {
  border-color: var(--text);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 40%, transparent);
  transform: translateY(-1px);
}

.search-box svg {
  width: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.6;
}

.search-box input {
  width: 100%;
  height: 66px;
  padding: 0;
  border: none;
  outline: none;
  color: var(--text);
  background: transparent;
  font-size: 15px;
}

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

.search-box input::-webkit-search-cancel-button {
  display: none;
}

.shortcut {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 11px;
}

.shortcut span {
  min-width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  background: var(--bg);
  font-size: 12px;
}

.favorite-filter {
  min-width: 142px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  color: var(--text);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.favorite-filter:hover {
  transform: translateY(-2px);
}

.favorite-filter[aria-pressed="true"] {
  background: var(--text);
  color: var(--bg);
}

.favorite-filter svg {
  width: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.favorite-filter[aria-pressed="true"] svg {
  fill: var(--accent);
  stroke: var(--accent);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 34px;
}

.filter-button {
  padding: 10px 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.filter-button:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.filter-button[aria-pressed="true"] {
  border-color: var(--text);
  color: var(--bg);
  background: var(--text);
}

.filter-count {
  margin-left: 7px;
  opacity: 0.58;
  font-variant-numeric: tabular-nums;
}

.site-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.site-card {
  --card-color: var(--blue);
  position: relative;
  min-height: 180px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(30, 33, 27, 0);
  opacity: 0;
  transform: translateY(22px);
  animation: card-in 520ms cubic-bezier(0.2, 0.75, 0.25, 1) forwards;
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.site-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
  transform: translateY(-7px);
}

.card-topline {
  position: absolute;
  z-index: 2;
  top: 15px;
  right: 18px;
  left: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.card-index {
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.favorite-button {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 50%;
  color: currentColor;
  background: transparent;
  cursor: pointer;
  pointer-events: auto;
  transition: background 160ms ease, transform 180ms ease;
}

.favorite-button:hover {
  background: color-mix(in srgb, currentColor 8%, transparent);
  transform: rotate(8deg) scale(1.08);
}

.favorite-button svg {
  width: 18px;
  fill: transparent;
  stroke: currentColor;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.favorite-button.is-favorite svg {
  fill: var(--accent);
  stroke: var(--accent-ink);
}

.card-link {
  height: 100%;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  padding: 52px 20px 10px;
  color: inherit;
  text-decoration: none;
}

.card-symbol {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border-radius: 15px 15px 15px 5px;
  background: var(--card-color);
  color: #151713;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.05em;
  transition: border-radius 250ms ease, transform 250ms ease;
}

.site-card:hover .card-symbol {
  border-radius: 5px 15px 15px 15px;
  transform: rotate(-3deg) scale(1.04);
}

.card-content {
  margin-top: 0;
}

.card-category {
  flex: 0 0 auto;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.card-title-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.card-description-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 9px 0 13px;
}

.card-description {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0;
  padding-top: 7px;
  border-top: 1px solid var(--line);
}

.card-tag {
  color: var(--muted);
  font-size: 10px;
}

.card-arrow {
  font-size: 18px;
  line-height: 1;
  transition: transform 180ms ease;
}

.site-card:hover .card-arrow {
  transform: translate(3px, -3px);
}

.empty-state {
  min-height: 340px;
  padding: 72px 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  text-align: center;
}

.empty-glyph {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 26px;
}

.empty-state h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
}

.empty-state p {
  margin: 10px 0 24px;
  color: var(--muted);
  font-size: 13px;
}

.empty-state button {
  padding: 11px 18px;
  border: none;
  border-radius: 999px;
  color: var(--bg);
  background: var(--text);
  cursor: pointer;
}

.site-footer {
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.site-footer p {
  margin: 0;
}

.site-footer span {
  margin-inline: 8px;
  color: var(--orange);
}

@keyframes breathe {
  50% {
    opacity: 0.55;
    box-shadow: 0 0 0 7px rgba(116, 198, 109, 0.06);
  }
}

@keyframes card-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 840px) {
  .site-header,
  main,
  .site-footer {
    width: min(100% - 36px, 720px);
  }

  .site-header {
    height: 78px;
  }

  .system-state,
  .brand-caption,
  .brand-divider {
    display: none;
  }

  .site-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 580px) {
  .site-header,
  main,
  .site-footer {
    width: calc(100% - 28px);
  }

  .directory {
    padding-top: 54px;
  }

  .search-panel {
    grid-template-columns: 1fr;
  }

  .favorite-filter {
    min-height: 48px;
  }

  .shortcut {
    display: none;
  }

  .site-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    min-height: 105px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}