:root {
  color-scheme: dark;
  --bg: #101412;
  --panel: #171d1a;
  --panel-2: #1d2521;
  --text: #edf5ee;
  --muted: #9aaba0;
  --line: #2c3832;
  --green: #4ade80;
  --cyan: #67e8f9;
  --rose: #fb7185;
  --amber: #fbbf24;
  --shadow: 0 18px 60px rgba(0, 0, 0, .24);
}

:root.light {
  color-scheme: light;
  --bg: #eef3ef;
  --panel: #ffffff;
  --panel-2: #f6faf7;
  --text: #152018;
  --muted: #5d6c62;
  --line: #d9e3dc;
  --shadow: 0 16px 44px rgba(41, 62, 47, .12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(74, 222, 128, .12), transparent 32%),
    linear-gradient(225deg, rgba(103, 232, 249, .10), transparent 35%),
    var(--bg);
  color: var(--text);
  font: 15px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 48px;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 6vw, 72px);
  line-height: .95;
  letter-spacing: 0;
}

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

.search {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  min-width: min(360px, 48vw);
}

.search input {
  width: 100%;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 0 14px;
  outline: none;
  box-shadow: var(--shadow);
}

.search input:focus {
  border-color: color-mix(in srgb, var(--green), var(--line) 35%);
}

.icon-button {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  display: grid;
  place-items: center;
  cursor: pointer;
  margin-top: 24px;
}

.sun {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid currentColor;
  box-shadow: 0 0 0 5px color-mix(in srgb, currentColor, transparent 78%);
}

.hero {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.hero-link {
  min-height: 116px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--panel), var(--green) 8%), var(--panel));
  box-shadow: var(--shadow);
}

.hero-link strong {
  display: block;
  font-size: 20px;
  margin-bottom: 4px;
}

.hero-link small {
  color: var(--muted);
}

.signal {
  position: relative;
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  border-radius: 8px;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.signal::before,
.signal::after {
  content: "";
  position: absolute;
  left: 13px;
  bottom: 12px;
  width: 6px;
  border-radius: 5px;
  background: var(--green);
}

.signal::before { height: 16px; box-shadow: 10px -8px 0 var(--cyan), 20px -18px 0 var(--amber); }
.signal::after { inset: 9px; border: 2px solid color-mix(in srgb, var(--green), transparent 35%); background: transparent; }
.signal.media::before { background: var(--rose); box-shadow: 10px -8px 0 var(--amber), 20px -18px 0 var(--cyan); }

.groups {
  display: grid;
  gap: 24px;
}

.group {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
  align-items: start;
}

.group-head {
  position: sticky;
  top: 18px;
}

h2 {
  margin: 0 0 6px;
  font-size: 20px;
  letter-spacing: 0;
}

.group-head p {
  margin: 0;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.card {
  min-height: 116px;
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--green), var(--line) 35%);
  background: var(--panel-2);
}

.badge {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: #06120b;
  background: var(--green);
  font-weight: 900;
}

.badge svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-main {
  min-width: 0;
}

.card strong,
.card small {
  display: block;
}

.card strong {
  font-size: 16px;
  margin-bottom: 4px;
}

.desc {
  color: var(--muted);
  min-height: 42px;
}

.url {
  margin-top: 8px;
  color: color-mix(in srgb, var(--cyan), var(--muted) 28%);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.arrow {
  color: var(--muted);
}

.empty {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 24px;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel), transparent 20%);
}

@media (max-width: 760px) {
  .shell { width: min(100% - 22px, 1180px); padding-top: 20px; }
  .topbar { display: grid; align-items: start; }
  .tools { width: 100%; align-items: end; }
  .search { min-width: 0; flex: 1; }
  .hero { grid-template-columns: 1fr; }
  .group { grid-template-columns: 1fr; }
  .group-head { position: static; }
  .cards { grid-template-columns: 1fr; }
}