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

/* ============ tokens ============ */
:root {
  --accent: #6366f1;
  --radius: 16px;
  --radius-sm: 10px;
  --wrap: 920px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

[data-theme="dark"] {
  --bg: #0b0c10;
  --bg-soft: #121319;
  --surface: #15161e;
  --surface-2: #1b1d27;
  --border: #262837;
  --border-strong: #33364a;
  --text: #f2f3f7;
  --text-dim: #a6a9b8;
  --text-faint: #6f7384;
  --mark-fg: #0b0c10;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 30px -12px rgba(0,0,0,.6);
  --glow: 0.16;
}

[data-theme="light"] {
  --bg: #f7f7f9;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-2: #fbfbfd;
  --border: #e7e7ec;
  --border-strong: #d8d9e0;
  --text: #15161c;
  --text-dim: #5a5d6b;
  --text-faint: #8a8d9a;
  --mark-fg: #ffffff;
  --shadow: 0 1px 2px rgba(20,20,40,.05), 0 12px 28px -14px rgba(20,20,50,.18);
  --glow: 0.10;
}

/* ============ base ============ */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  transition: background .3s var(--ease), color .3s var(--ease);
}

/* subtle ambient gradient */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60% 50% at 50% -8%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%);
  opacity: .9;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 22px;
}

.mono { font-family: var(--mono); font-size: .94em; }

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--accent);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  z-index: 50;
}
.skip-link:focus { left: 12px; }

/* ============ header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand-mark { color: var(--accent); display: inline-flex; }
.brand-dot { color: var(--accent); }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-dim);
  cursor: pointer;
  transition: color .2s, border-color .2s, background .2s, transform .15s var(--ease);
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); transform: translateY(-1px); }
.icon-btn:active { transform: translateY(0); }
.icon-btn svg { display: block; }

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

/* ============ hero ============ */
.hero {
  text-align: center;
  padding: clamp(48px, 9vw, 96px) 0 clamp(28px, 5vw, 44px);
}
.hero-title {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.hero-sub {
  margin: 14px auto 0;
  max-width: 36ch;
  color: var(--text-dim);
  font-size: clamp(1rem, 2.4vw, 1.12rem);
}

/* ============ search ============ */
.search {
  position: relative;
  max-width: 460px;
  margin: 30px auto 0;
}
.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  pointer-events: none;
}
#search {
  width: 100%;
  height: 52px;
  padding: 0 46px 0 46px;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
#search::placeholder { color: var(--text-faint); }
#search:focus {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: var(--shadow), 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}
#search::-webkit-search-cancel-button { -webkit-appearance: none; }
.search-kbd {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--text-faint);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 2px 8px;
  pointer-events: none;
}
.search:focus-within .search-kbd { opacity: 0; }

/* ============ grid ============ */
.grid {
  list-style: none;
  margin: 0;
  padding: 8px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 16px;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card-item {
  animation: rise .5s var(--ease) both;
  animation-delay: calc(var(--i, 0) * 60ms);
}

.card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 15px;
  height: 100%;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .22s var(--ease), border-color .22s, box-shadow .22s;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 90% at 0% 0%, color-mix(in srgb, var(--card-accent) calc(var(--glow) * 100%), transparent), transparent 55%);
  opacity: 0;
  transition: opacity .25s var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--card-accent) 45%, var(--border-strong));
}
.card:hover::after { opacity: 1; }
.card:focus-visible {
  outline: 2px solid var(--card-accent);
  outline-offset: 2px;
}

.card-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  color: var(--card-accent);
  background: color-mix(in srgb, var(--card-accent) 14%, transparent);
}
.card-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.card-name {
  font-weight: 600;
  font-size: 1.04rem;
  letter-spacing: -0.01em;
}
.card-tagline {
  color: var(--text-dim);
  font-size: .9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-host {
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: .76rem;
  margin-top: 3px;
}
.card-arrow {
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--text-faint);
  opacity: 0;
  transform: translate(-3px, 3px);
  transition: opacity .22s var(--ease), transform .22s var(--ease), color .22s;
}
.card:hover .card-arrow {
  opacity: 1;
  transform: translate(0, 0);
  color: var(--card-accent);
}

.empty {
  text-align: center;
  color: var(--text-dim);
  padding: 48px 0;
  font-size: 1rem;
}
.empty span { color: var(--text); font-weight: 600; }

/* ============ footer ============ */
.site-footer {
  margin-top: auto;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: .85rem;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============ a11y / motion ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 40px; }
}