:root {
  --bg: #faf7f2;
  --bg-soft: #f2ece2;
  --card: #ffffff;
  --ink: #23201c;
  --ink-soft: #6b635a;
  --ink-faint: #9a9086;
  --line: #e7dfd3;
  --accent: #b4552d;
  --accent-soft: #f3e3d8;
  --green: #4a6b4f;
  --radius: 18px;
  --shadow: 0 1px 2px rgba(35, 32, 28, 0.04), 0 10px 30px rgba(35, 32, 28, 0.06);
  --maxw: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --bg-soft: #201e1b;
    --card: #232120;
    --ink: #ece7df;
    --ink-soft: #a89f93;
    --ink-faint: #7d756a;
    --line: #322e2a;
    --accent: #e08b5f;
    --accent-soft: #35271f;
    --green: #8fb894;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.28);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
    "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ------------------------------- 顶部导航 ------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: saturate(160%) blur(12px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.topbar .inner {
  max-width: var(--maxw); margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 16px;
}
.brand { font-weight: 700; letter-spacing: 0.02em; font-size: 17px; color: var(--ink); }
.brand span { color: var(--accent); }
.brand .sep { color: var(--ink-faint); font-weight: 400; margin: 0 2px; }
.brand:hover { text-decoration: none; }
.nav { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.nav a { color: var(--ink-soft); padding: 6px 12px; border-radius: 999px; font-size: 14.5px; }
.nav a:hover { background: var(--bg-soft); color: var(--ink); text-decoration: none; }
.nav a.on { background: var(--accent-soft); color: var(--accent); }

/* -------------------------------- 日期条 -------------------------------- */
.datebar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 20px 0 6px;
}
.datebar h1 { font-size: 21px; margin: 0; font-weight: 650; letter-spacing: 0.01em; }
.datebar .sub { color: var(--ink-faint); font-size: 13.5px; }
.spacer { flex: 1; }
.ghost-btn {
  border: 1px solid var(--line); background: var(--card); color: var(--ink-soft);
  border-radius: 999px; padding: 6px 14px; font-size: 14px; cursor: pointer;
  font-family: inherit; transition: 0.15s;
}
.ghost-btn:hover { border-color: var(--accent); color: var(--accent); }
.ghost-btn:disabled { opacity: 0.4; cursor: not-allowed; }
input[type="date"].ghost-btn { font-family: inherit; }

/* ------------------------------ 今日一分钟 ------------------------------ */
.ritual {
  max-width: 880px; margin: 14px auto 0;
  background: linear-gradient(135deg, var(--card), var(--bg-soft));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 30px; box-shadow: var(--shadow);
  display: flex; gap: 24px; align-items: center; flex-wrap: wrap;
}
.ritual-main { flex: 1 1 320px; min-width: 0; }
.ritual h2 { font-size: 25px; margin: 6px 0 8px; font-weight: 680; letter-spacing: 0.01em; }
.ritual p { margin: 0; color: var(--ink-soft); font-size: 15.5px; }
.ritual-cta { margin-top: 12px; color: var(--accent); font-size: 14px; font-weight: 600; }
.check-btn {
  flex: 0 0 auto; border: 1px solid var(--accent); background: var(--accent); color: #fff;
  padding: 11px 22px; border-radius: 999px; font-size: 15px; cursor: pointer;
  font-family: inherit; transition: 0.2s;
}
.check-btn:hover { filter: brightness(1.06); }
.check-btn.done { background: var(--green); border-color: var(--green); }
.check-btn.small { padding: 8px 18px; font-size: 14px; }
@media (prefers-color-scheme: dark) { .check-btn { color: #1b1a18; } }

/* --------------------------------- Tab --------------------------------- */
.tabs {
  position: sticky; top: 53px; z-index: 20;
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  padding: 14px 4px; margin: 0 auto; max-width: var(--maxw);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
}
.tab {
  border: 1px solid var(--line); background: var(--card); color: var(--ink-soft);
  padding: 7px 16px; border-radius: 999px; font-size: 14.5px; cursor: pointer;
  font-family: inherit; transition: 0.16s; white-space: nowrap;
}
.tab:hover { border-color: var(--accent); color: var(--accent); }
.tab.on { background: var(--ink); border-color: var(--ink); color: var(--bg); font-weight: 600; }
@media (prefers-color-scheme: dark) {
  .tab.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
}
@media (max-width: 700px) {
  .tabs {
    flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
    padding-left: 16px; padding-right: 16px;
  }
  .tabs::-webkit-scrollbar { display: none; }
}

/* -------------------------------- 面板 -------------------------------- */
.panel { padding: 4px 0 56px; display: flex; justify-content: center; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  width: 100%; max-width: 780px;
  display: flex; flex-direction: column;
}
.card.scene-feature { max-width: 900px; }
.card-body { padding: 26px 30px 30px; display: flex; flex-direction: column; gap: 12px; }

.label {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); font-weight: 700;
}
.label::before { content: ""; width: 16px; height: 2px; background: var(--accent); border-radius: 2px; }

.feature-title { font-size: 24px; margin: 2px 0 0; font-weight: 680; line-height: 1.35; }
.sub-title {
  font-size: 13px; margin: 10px 0 0; font-weight: 700; letter-spacing: 0.08em;
  color: var(--ink-faint); text-transform: uppercase;
}
.latin { font-style: italic; color: var(--ink-faint); font-size: 14.5px; margin: 2px 0 0; }
.muted { color: var(--ink-soft); font-size: 15px; margin: 0; }
.faint { color: var(--ink-faint); font-size: 12.5px; margin: 0; }
.tip {
  background: var(--bg-soft); border-left: 3px solid var(--accent);
  padding: 10px 14px; border-radius: 0 10px 10px 0; margin: 4px 0 0;
  color: var(--ink-soft); font-size: 14.5px;
}
.source-link { font-size: 13.5px; align-self: flex-start; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags.center { justify-content: center; }
.tag {
  font-size: 12.5px; padding: 3px 10px; border-radius: 999px;
  background: var(--bg-soft); color: var(--ink-soft);
}
.tag.warn { background: var(--accent-soft); color: var(--accent); }

/* 图片 */
.cover { width: 100%; display: block; background: var(--bg-soft); object-fit: cover; }
.cover.meal-cover { aspect-ratio: 16 / 9; }
.cover.scene-cover { aspect-ratio: 16 / 9; }
.cover.scene-cover.tall-art { height: 420px; aspect-ratio: auto; object-position: top center; }
.cover.portrait { aspect-ratio: 1 / 1; border-radius: 12px; }
.cover.placeholder { background: var(--bg-soft); }

/* 每日一句 */
.quote-feature .card-body { align-items: center; text-align: center; padding: 46px 40px 40px; gap: 14px; }
.quote-text {
  font-family: "Songti SC", "SimSun", "Noto Serif CJK SC", "Source Han Serif SC", Georgia, serif;
  font-size: 26px; line-height: 2; margin: 6px 0 0; letter-spacing: 0.02em; max-width: 30em;
}
.quote-en { font-size: 21px; line-height: 1.85; font-style: italic; }
.quote-src { color: var(--ink-faint); font-size: 14px; margin: 0; }
.quote-original {
  font-family: Georgia, "Times New Roman", serif; font-style: italic;
  color: var(--ink-faint); font-size: 14px; line-height: 1.7; margin: 2px 0 0; max-width: 34em;
}

/* 图文左右分栏 */
.split-media { display: grid; grid-template-columns: minmax(0, 280px) minmax(0, 1fr); gap: 22px; align-items: start; }
.split-media-info { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.split-media-info .tag { align-self: flex-start; }
@media (max-width: 640px) { .split-media { grid-template-columns: 1fr; } }

/* 每日一音乐 */
.music-head { display: flex; gap: 18px; align-items: center; }
.music-portrait {
  width: 84px; height: 84px; border-radius: 50%; object-fit: cover; flex: 0 0 auto;
  border: 2px solid var(--line); background: var(--bg-soft);
}
.music-info { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.player {
  display: flex; flex-direction: column; gap: 6px; align-items: stretch;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
}
.player audio { width: 100%; height: 40px; }
.player .faint { font-size: 12px; }

/* 代码 */
pre.code {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; overflow-x: auto; margin: 4px 0 0;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 13.5px; line-height: 1.75; color: var(--ink);
}
pre.code code { font-family: inherit; }
.code-foot { display: flex; align-items: center; gap: 10px; }
.copy-btn {
  border: 1px solid var(--line); background: transparent; color: var(--ink-faint);
  border-radius: 8px; padding: 4px 12px; font-size: 12.5px; cursor: pointer; font-family: inherit;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }

/* 列表 */
ol.steps, ul.plain { margin: 0; padding-left: 22px; color: var(--ink-soft); font-size: 15px; }
ol.steps.big { font-size: 16px; }
ol.steps li, ul.plain li { margin: 6px 0; }
.ing { display: flex; flex-wrap: wrap; gap: 6px; }
.ing span {
  font-size: 13px; padding: 4px 11px; border-radius: 9px;
  background: var(--bg-soft); color: var(--ink-soft);
}

.kv { display: grid; grid-template-columns: auto 1fr; gap: 5px 16px; font-size: 14.5px; margin: 4px 0 0; }
.kv dt { color: var(--ink-faint); }
.kv dd { margin: 0; color: var(--ink-soft); }

.timer { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
.timer .time { font-variant-numeric: tabular-nums; font-size: 26px; font-weight: 650; min-width: 66px; }

/* 拉伸示意图 */
.stretch-wrap { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 24px; align-items: start; }
.figure-box {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px;
  padding: 8px; display: flex; align-items: center; justify-content: center;
}
.stretch-info { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.fig { width: 100%; height: auto; display: block; }
.fig-line { stroke: var(--ink); stroke-width: 7; stroke-linecap: round; fill: none; }
.fig-far { opacity: 0.22; }
.fig-focus { stroke: var(--accent); }
.fig-nose { stroke: var(--ink); stroke-width: 4.5; stroke-linecap: round; }
.fig-eye { fill: var(--ink); stroke: none; }
.fig-prop { stroke: var(--ink-faint); stroke-width: 5; stroke-linecap: round; fill: none; }
.fig-ground { stroke: var(--line); stroke-width: 4; stroke-linecap: round; }
.fig-arc, .fig-gaze { stroke: var(--accent); stroke-width: 3; fill: none; stroke-dasharray: 5 4; }
@media (max-width: 680px) {
  .stretch-wrap { grid-template-columns: 1fr; }
  .figure-box { max-width: 260px; margin: 0 auto; }
}

/* 归档 */
.arch-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; padding: 18px 0 40px; }
.arch-item {
  border: 1px solid var(--line); background: var(--card); border-radius: 12px; padding: 14px 16px;
  display: flex; flex-direction: column; gap: 6px;
}
.arch-item h3 { font-size: 15px; margin: 0; }
.arch-item .q {
  font-family: "Songti SC", "Noto Serif CJK SC", Georgia, serif;
  font-size: 15px; color: var(--ink-soft); margin: 0;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

/* 页脚 */
footer {
  border-top: 1px solid var(--line); margin-top: 30px; padding: 26px 0 40px;
  color: var(--ink-faint); font-size: 13px;
}
footer a { color: var(--ink-soft); }
.footer-grid { display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-between; }

/* 状态 */
.loading { color: var(--ink-faint); padding: 60px 0; text-align: center; }
.err {
  border: 1px solid var(--line); border-left: 3px solid var(--accent); background: var(--card);
  padding: 16px 18px; border-radius: 12px; color: var(--ink-soft); font-size: 14.5px;
  max-width: 780px; margin: 0 auto;
}

@media (max-width: 620px) {
  .music-head { gap: 14px; }
  .music-portrait { width: 64px; height: 64px; }
  .ritual { padding: 20px; }
  .ritual h2 { font-size: 21px; }
  .card-body { padding: 20px 18px 24px; }
  .quote-feature .card-body { padding: 32px 22px 28px; }
  .quote-text { font-size: 21px; line-height: 1.95; }
  .feature-title { font-size: 21px; }
  .cover.scene-cover.tall-art { height: 260px; }
}

@media print {
  .topbar, .tabs, .check-btn, .copy-btn, .nav, .datebar { display: none; }
  body { background: #fff; }
  .card { box-shadow: none; break-inside: avoid; }
}