/* Atlas — 静态站收藏夹 */

:root {
  --accent: #d9a55b;
  --accent-soft: rgba(217, 165, 91, .14);
  --radius: 14px;
  --maxw: 1180px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

html[data-theme="dark"] {
  --bg: #0b0c0f;
  --bg-2: #101218;
  --panel: #14161c;
  --panel-hi: #191c24;
  --fg: #e9eaee;
  --fg-strong: #fdfdfd;
  --muted: #9298a4;
  --dim: #6c727e;
  --line: rgba(255, 255, 255, .085);
  --line-hi: rgba(255, 255, 255, .18);
  --shadow: 0 18px 40px -24px rgba(0, 0, 0, .9);
  --cover-bg: #1b1e26;
  --veil: linear-gradient(180deg, rgba(11, 12, 15, 0) 40%, rgba(11, 12, 15, .72) 100%);
}

html[data-theme="light"] {
  --bg: #f6f3ed;
  --bg-2: #efeae1;
  --panel: #fffdf8;
  --panel-hi: #ffffff;
  --fg: #23211d;
  --fg-strong: #100f0d;
  --muted: #6d675d;
  --dim: #8e877b;
  --line: rgba(28, 25, 20, .12);
  --line-hi: rgba(28, 25, 20, .26);
  --shadow: 0 18px 38px -26px rgba(60, 45, 20, .45);
  --cover-bg: #ece7dd;
  --veil: linear-gradient(180deg, rgba(255, 253, 248, 0) 40%, rgba(255, 253, 248, .55) 100%);
  --accent: #a9741f;
  --accent-soft: rgba(169, 116, 31, .12);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 78% -12%, var(--accent-soft), transparent 62%),
    radial-gradient(760px 420px at 4% 4%, rgba(90, 130, 190, .10), transparent 60%),
    var(--bg);
  color: var(--fg);
  font: 15px/1.6 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* 细颗粒质感 */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.055'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 26px; position: relative; z-index: 1; }

/* ── 顶栏 ─────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px) saturate(1.3);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}

.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; height: 64px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); }
.brand-mark {
  width: 32px; height: 32px; display: grid; place-items: center;
  border-radius: 9px; color: var(--accent);
  background: var(--panel); border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font: 600 16px/1.1 Georgia, "Songti SC", serif; letter-spacing: .02em; }
.brand-text i { font-style: normal; font-size: 11px; color: var(--dim); letter-spacing: .12em; }

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

.search {
  position: relative; display: flex; align-items: center; gap: 8px;
  padding: 0 10px 0 11px; height: 38px; min-width: 230px;
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--panel); color: var(--dim);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}
.search:focus-within { border-color: var(--line-hi); background: var(--panel-hi); }
.search input {
  flex: 1; border: 0; outline: 0; background: transparent; color: var(--fg);
  font: inherit; font-size: 13.5px; min-width: 0;
}
.search input::placeholder { color: var(--dim); }
.search input::-webkit-search-cancel-button { -webkit-appearance: none; }
.search kbd {
  font: 500 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--dim); border: 1px solid var(--line); border-radius: 5px;
  padding: 3px 5px; background: var(--bg-2);
}

.icon-btn {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 10px; background: var(--panel);
  color: var(--muted); cursor: pointer;
  transition: color .18s, border-color .18s, background .18s;
}
.icon-btn:hover { color: var(--fg); border-color: var(--line-hi); background: var(--panel-hi); }
html[data-theme="dark"] .i-sun { display: none; }
html[data-theme="light"] .i-moon { display: none; }

/* ── Hero ─────────────────────────────── */
.hero { padding: 74px 0 40px; }

.hero-eyebrow {
  font: 500 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .22em; color: var(--accent); text-transform: uppercase;
}

.hero h1 {
  margin: 18px 0 0;
  font: 400 clamp(34px, 5.2vw, 58px)/1.13 Georgia, "Songti SC", "Times New Roman", serif;
  letter-spacing: -.015em;
  color: var(--fg-strong);
}

.lead { margin: 20px 0 0; max-width: 46ch; color: var(--muted); font-size: 15.5px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }

.chip {
  display: inline-flex; align-items: center; gap: 7px;
  height: 32px; padding: 0 13px; border-radius: 999px;
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  font: inherit; font-size: 12.5px; cursor: pointer;
  transition: all .18s var(--ease);
}
.chip:hover { color: var(--fg); border-color: var(--line-hi); }
.chip[aria-selected="true"] {
  color: var(--fg-strong); border-color: var(--accent);
  background: var(--accent-soft);
}
.chip .n { font-size: 11px; color: var(--dim); font-variant-numeric: tabular-nums; }
.chip[aria-selected="true"] .n { color: var(--accent); }

/* ── 卡片网格 ─────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(292px, 1fr));
  gap: 20px;
  padding-bottom: 30px;
}

.card {
  position: relative;
  display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  text-decoration: none; color: inherit;
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease), background .28s var(--ease);
  will-change: transform;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-hi); background: var(--panel-hi); box-shadow: var(--shadow); }
.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.card-cover {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: var(--cover-bg);
  border-bottom: 1px solid var(--line);
}
.card-cover img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover; object-position: top center;
  display: block; transition: transform .5s var(--ease), filter .3s;
  filter: saturate(.94);
}
.card:hover .card-cover img { transform: scale(1.035); filter: saturate(1); }

.card-cover .fallback {
  position: absolute; inset: 0; display: grid; place-items: center;
  font: 400 54px/1 Georgia, serif; color: var(--accent);
  background:
    radial-gradient(120% 90% at 80% 0%, var(--accent-soft), transparent 60%),
    repeating-linear-gradient(135deg, transparent 0 12px, var(--line) 12px 13px);
}

.card-cover::after {
  content: ""; position: absolute; inset: 0; background: var(--veil); opacity: .55; pointer-events: none;
}

.badge-cat {
  position: absolute; left: 12px; bottom: 12px; z-index: 2;
  font: 600 10.5px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 6px 9px; border-radius: 6px;
  color: var(--fg-strong);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border: 1px solid var(--line-hi);
  backdrop-filter: blur(6px);
}

.card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 9px; flex: 1; }

.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.card-title {
  margin: 0; font: 600 18px/1.3 Georgia, "Songti SC", serif; letter-spacing: -.005em;
  color: var(--fg-strong);
}
.card-arrow { color: var(--dim); font-size: 15px; transition: transform .28s var(--ease), color .28s; }
.card:hover .card-arrow { color: var(--accent); transform: translate(2px, -2px); }

.card-desc { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.65; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 12px; }
.tag {
  font-size: 11.5px; color: var(--dim);
  padding: 3px 8px; border-radius: 5px;
  border: 1px solid var(--line);
  background: var(--bg-2);
}

.card-meta {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 11.5px; color: var(--dim);
  padding-top: 10px; margin-top: 2px;
  border-top: 1px dashed var(--line);
}
.card-meta code { font: 11.5px/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); }

/* 添加站点占位卡 */
.card-add {
  display: grid; place-items: center; text-align: center;
  border: 1px dashed var(--line-hi); border-radius: var(--radius);
  background: transparent; padding: 32px 22px; min-height: 220px;
  color: var(--dim); text-decoration: none;
  transition: border-color .2s, color .2s, background .2s;
}
.card-add:hover { border-color: var(--accent); color: var(--muted); background: var(--accent-soft); }
.card-add .plus { font-size: 22px; color: var(--accent); margin-bottom: 10px; display: block; }
.card-add b { display: block; color: var(--fg); font-weight: 600; margin-bottom: 6px; font-size: 14px; }
.card-add code { font: 11.5px/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); }

/* ── 空态 ─────────────────────────────── */
.empty { text-align: center; padding: 60px 0 80px; color: var(--muted); }
.text-btn {
  background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer;
  text-decoration: underline; text-underline-offset: 4px; padding: 6px;
}

/* ── 页脚 ─────────────────────────────── */
.foot { padding: 34px 0 60px; color: var(--dim); font-size: 12.5px; }
.foot-line { height: 1px; background: var(--line); margin-bottom: 22px; }
.foot p { margin: 4px 0; }
.foot code { color: var(--muted); font: 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.foot .dim { color: var(--dim); opacity: .8; }

@media (max-width: 720px) {
  .wrap { padding: 0 18px; }
  .hero { padding: 48px 0 30px; }
  .tools { flex: 1; min-width: 0; }
  .search { min-width: 0; width: auto; flex: 1; }
  .search kbd { display: none; }
  .topbar-inner { height: 58px; gap: 10px; }
  .brand-text i { display: none; }
  .grid { grid-template-columns: 1fr; gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .card:hover { transform: none; }
}