:root {
  --bg: #0a0c11;
  --bg-soft: #0f1219;
  --surface: #131722;
  --surface-2: #181d2a;
  --border: #242b3a;
  --border-strong: #333c4f;
  --text: #e9edf6;
  --muted: #949fb4;
  --accent: #7c6cff;
  --accent-2: #22d3ee;
  --fav: #f7b955;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, .8);
  --radius: 16px;
}

[data-theme="light"] {
  --bg: #f5f6fa;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-2: #f0f2f8;
  --border: #e2e6f0;
  --border-strong: #cfd5e4;
  --text: #141824;
  --muted: #5d6679;
  --accent: #5b4bdb;
  --accent-2: #0891b2;
  --fav: #d2900d;
  --shadow: 0 18px 40px -22px rgba(20, 24, 36, .28);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.wrap {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: .01em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 18px -6px color-mix(in srgb, var(--accent) 70%, transparent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a,
.nav-btn,
.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: color .18s, background .18s, border-color .18s;
}

.nav a:hover,
.nav-btn:hover,
.icon-btn:hover {
  color: var(--text);
  background: var(--surface-2);
}

.nav-btn[aria-pressed="true"] {
  color: var(--text);
  border-color: color-mix(in srgb, var(--fav) 45%, transparent);
  background: color-mix(in srgb, var(--fav) 12%, transparent);
}

.pill {
  min-width: 20px;
  padding: 0 6px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 18px;
  text-align: center;
  color: var(--bg);
  background: var(--muted);
}

.nav-btn[aria-pressed="true"] .pill {
  background: var(--fav);
}

.icon-btn { padding: 8px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 76px 0 48px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -180px 0 auto 0;
  height: 420px;
  background:
    radial-gradient(closest-side at 28% 40%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 70%),
    radial-gradient(closest-side at 72% 20%, color-mix(in srgb, var(--accent-2) 20%, transparent), transparent 70%);
  filter: blur(24px);
  pointer-events: none;
}

.hero .wrap { position: relative; }

.eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--accent-2);
}

.hero h1 {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 48px);
  line-height: 1.18;
  letter-spacing: -.02em;
  font-weight: 720;
}

.lede {
  max-width: 560px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 15.5px;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 620px;
  margin-top: 30px;
  padding: 0 8px 0 16px;
  height: 54px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
  color: var(--muted);
  transition: border-color .18s, box-shadow .18s;
}

.search-box:focus-within {
  border-color: color-mix(in srgb, var(--accent) 65%, var(--border-strong));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 14%, transparent), var(--shadow);
}

.search-box input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 15px;
}

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

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

.clear-btn {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface-2);
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: color .18s, border-color .18s;
}

.clear-btn:hover { color: var(--text); border-color: var(--border-strong); }

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 26px;
  color: var(--muted);
  font-size: 13.5px;
}

.stats b {
  color: var(--text);
  font-weight: 650;
}

/* ---------- tools ---------- */
.tools { padding: 30px 24px 80px; }

.filters { margin-bottom: 24px; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.chip {
  padding: 8px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: 13.5px;
  cursor: pointer;
  transition: color .18s, border-color .18s, background .18s;
}

.chip:hover { color: var(--text); border-color: var(--border-strong); }

.chip[aria-selected="true"] {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent-2) 60%, var(--accent)));
}

.result-info {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform .2s ease, border-color .2s, background .2s, box-shadow .2s;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--surface-2);
  box-shadow: var(--shadow);
}

.card-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.01em;
}

.card-title {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.card-title h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -.01em;
}

.card-title span {
  color: var(--muted);
  font-size: 12.5px;
}

.fav-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color .18s, background .18s, border-color .18s;
}

.fav-btn:hover { background: var(--surface); border-color: var(--border); color: var(--text); }

.fav-btn[aria-pressed="true"] { color: var(--fav); }

.fav-btn svg { pointer-events: none; }

.card-desc {
  margin: 0;
  color: var(--muted);
  font-size: 13.8px;
  line-height: 1.65;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.tag {
  padding: 3px 9px;
  border-radius: 7px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--muted);
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--muted);
}

.badge.free::before { background: #34d399; }
.badge.paid::before { background: var(--fav); }

.visit {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-2);
}

.visit svg { transition: transform .18s; }

.card:hover .visit svg { transform: translate(2px, -2px); }

/* ---------- empty / footer ---------- */
.empty {
  padding: 60px 0;
  text-align: center;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}

.empty-title { margin: 0; font-size: 17px; font-weight: 650; }

.empty-desc { margin: 8px 0 0; color: var(--muted); font-size: 14px; }

.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 24px;
  padding-top: 26px;
  padding-bottom: 34px;
  color: var(--muted);
  font-size: 13px;
}

.footer p { margin: 0; }

.footer .muted { opacity: .8; }

@media (max-width: 620px) {
  .wrap { padding: 0 18px; }
  .tools { padding: 22px 18px 64px; }
  .hero { padding: 48px 0 34px; }
  .search-box { margin-top: 22px; }
  .stats { gap: 6px 16px; }
  .grid { grid-template-columns: 1fr; }
  .brand-text { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}