:root {
  --bg: #07080b;
  --panel: #0e1116;
  --text: #e6e8ee;
  --muted: #9aa3b2;
  --primary: #78c8ff; /* LightCone gradient mid */
  --accent-1: #68d3ff;
  --accent-2: #7a7dff;
  --accent-3: #ff89d6;
  --chip: #121827;
  --border: #1a2030;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --panel: #f6f7f9;
    --text: #1b2430;
    --muted: #5b6574;
    --primary: #2b6de9;
    --chip: #eef1f6;
    --border: #e1e6ef;
  }
}

/* theme override via [data-theme] */
[data-theme="light"] {
  --bg: #ffffff;
  --panel: #f6f7f9;
  --text: #1b2430;
  --muted: #5b6574;
  --primary: #2b6de9;
  --chip: #eef1f6;
  --border: #e1e6ef;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}

.container { width: min(1100px, 92%); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(0,0,0,0.3);
  backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.logo { margin: 0; font-size: 20px; letter-spacing: .5px; }
.logo .brand { background: linear-gradient(90deg, var(--accent-1), var(--accent-2), var(--accent-3)); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 700; }
.controls { display: flex; gap: 10px; }

.btn {
  background: var(--chip);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { border-color: var(--primary); }

.search-section { padding: 22px 0 8px; }
.search-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  outline: none;
}
.search-input::placeholder { color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--chip); color: var(--text); cursor: pointer; font-size: 13px;
}
.chip.active { border-color: var(--primary); box-shadow: 0 0 0 2px color-mix(in oklab, var(--primary), transparent 80%); }

.toolbar { display: flex; gap: 12px; align-items: center; margin-top: 12px; color: var(--muted); }
.select { padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel); color: var(--text); }
.checkbox input { margin-right: 6px; }

.section-title { font-size: 16px; margin: 18px 0 10px; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
@media (max-width: 1024px) { .grid { grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (max-width: 768px) { .grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 520px) { .grid { grid-template-columns: 1fr; } }

.card { border: 1px solid var(--border); border-radius: 12px; background: var(--panel); padding: 14px; display: flex; gap: 12px; }
.card:hover { border-color: var(--primary); box-shadow: 0 0 0 1px color-mix(in oklab, var(--primary), transparent 70%); }
.card .icon { width: 28px; height: 28px; border-radius: 6px; flex-shrink: 0; }
.card .content { flex: 1; min-width: 0; }
.card .title { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card .title a { color: var(--text); text-decoration: none; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100px; }
.card .title a:hover { color: var(--primary); }
.card .desc { color: var(--muted); font-size: 13px; margin-top: 6px; line-height: 1.5; }
.card .meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.tag { font-size: 12px; padding: 3px 8px; border: 1px solid var(--border); background: var(--chip); border-radius: 999px; color: var(--muted); }

.fav-btn { cursor: pointer; border: 1px solid var(--border); background: var(--chip); color: var(--text); padding: 6px 8px; border-radius: 8px; }
.fav-btn.active { border-color: var(--primary); color: var(--primary); box-shadow: 0 0 0 2px color-mix(in oklab, var(--primary), transparent 85%); }

.site-footer { border-top: 1px solid var(--border); margin-top: 28px; padding: 18px 0; color: var(--muted); font-size: 13px; }