/* 词影 Lexreel · 主页（收藏 / 复习 / 推荐 / 设置）
 * 视觉沿用扩展主题：暖纸色底、近黑文字、陶土色强调、衬线标题；跟随系统深浅色。 */
:root {
  --bg: #F0EEE6;
  --side: #E9E6DC;
  --card: #FAF9F5;
  --sunk: #F3F1EA;
  --ink: #141413;
  --ink-2: #5E5D59;
  --muted: #87867F;
  --line: #E3E0D5;
  --line-2: #D6D3C4;
  --accent: #C96442;
  --accent-2: #B4563A;
  --accent-soft: rgba(201, 100, 66, 0.12);
  --ok: #5B7A3C;
  --ok-soft: rgba(91, 122, 60, 0.12);
  --yt: #E0372B;
  --bili: #E8739A;
  --shadow: 0 1px 2px rgba(20, 20, 19, 0.04), 0 6px 22px rgba(20, 20, 19, 0.05);
  --serif: "Tiempos Headline", "Source Serif 4", Georgia, "Noto Serif SC", "Songti SC", serif;
  --serif-t: "Tiempos Text", "Source Serif 4", Georgia, "Noto Serif SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1F1E1D;
    --side: #1A1918;
    --card: #2B2A27;
    --sunk: #262523;
    --ink: #FAF9F5;
    --ink-2: #C2C0B6;
    --muted: #9C9A92;
    --line: rgba(255, 255, 255, 0.09);
    --line-2: rgba(255, 255, 255, 0.16);
    --accent: #D97757;
    --accent-2: #E58C6F;
    --accent-soft: rgba(217, 119, 87, 0.16);
    --ok: #A3C285;
    --ok-soft: rgba(163, 194, 133, 0.14);
    --shadow: 0 0 0 1px rgba(255, 255, 255, 0.04);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 14px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); }
h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; }
svg.i { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[hidden] { display: none !important; }

/* ———— 框架 ———— */
.app { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100vh; }
.side { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; padding: 22px 14px 18px; background: var(--side); border-right: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; padding: 0 8px 22px; }
.logo { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: linear-gradient(180deg, #D97757, #C96442); box-shadow: 0 2px 8px rgba(201, 100, 66, 0.3); }
.logo svg { width: 30px; height: 30px; }
.brand b { font: 500 19px/1.2 var(--serif); }
.brand small { display: block; color: var(--muted); font-size: 11.5px; letter-spacing: 0.03em; }
.nav { display: grid; gap: 2px; }
.nav a { display: flex; align-items: center; gap: 10px; height: 40px; padding: 0 12px; border-radius: 11px; color: var(--ink-2); text-decoration: none; font-weight: 500; }
.nav a:hover { background: rgba(127, 127, 127, 0.08); color: var(--ink); }
.nav a[aria-current="page"] { background: var(--card); color: var(--ink); box-shadow: 0 0 0 1px var(--line), 0 1px 3px rgba(20, 20, 19, 0.05); }
.nav a[aria-current="page"] svg { color: var(--accent); }
.nav .n { margin-left: auto; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.nav .n.hot { min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; background: var(--accent); color: #FAF9F5; line-height: 20px; text-align: center; font-weight: 600; }
.side-foot { margin-top: auto; padding: 12px 10px 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.side-foot kbd { font: 600 11px var(--sans); padding: 0 5px; border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 5px; }
main { min-width: 0; padding: 34px 44px 80px; }
.page { max-width: 1060px; margin: 0 auto; animation: fadein 0.25s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(4px); } }
.page-h { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.page-h h1 { font-size: 30px; }
.page-h p { margin: 4px 0 0; color: var(--muted); max-width: 640px; }

/* ———— 通用控件 ———— */
.btn { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--card); color: var(--ink); cursor: pointer; white-space: nowrap; font-weight: 500; font-size: 13.5px; text-decoration: none; }
.btn:hover:not(:disabled) { background: var(--sunk); }
.btn:disabled { opacity: 0.45; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #FAF9F5; }
.btn.primary:hover:not(:disabled) { background: var(--accent-2); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--ink-2); }
.btn.ghost:hover:not(:disabled) { background: rgba(127, 127, 127, 0.1); color: var(--ink); }
.btn.danger { color: var(--accent); }
.btn.big { height: 42px; padding: 0 20px; border-radius: 12px; font-size: 14.5px; }
.btn svg.i { width: 16px; height: 16px; }
.link { padding: 0; border: 0; background: none; color: var(--accent); cursor: pointer; font-size: 13px; }
.link:hover { text-decoration: underline; }
input[type="text"], input[type="search"], input[type="password"], input[type="number"], input[type="date"], select, textarea {
  height: 36px; padding: 0 12px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--card); outline: none;
}
textarea { height: auto; padding: 8px 12px; line-height: 1.55; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
select { padding-right: 30px; cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 8l4 4 4-4' fill='none' stroke='%2387867F' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center; background-size: 16px; }
.switch { position: relative; display: inline-block; width: 40px; height: 24px; flex: none; }
.switch input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; z-index: 1; }
.switch span { position: absolute; inset: 0; border-radius: 12px; background: var(--line-2); transition: background 0.2s; }
.switch span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2); transition: transform 0.22s cubic-bezier(0.3, 0.7, 0.4, 1); }
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { transform: translateX(16px); }
.switch input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.seg { display: inline-flex; padding: 3px; gap: 2px; border-radius: 11px; background: rgba(127, 127, 127, 0.1); }
.seg button { height: 30px; padding: 0 12px; border: 0; border-radius: 8px; background: none; color: var(--ink-2); cursor: pointer; font-weight: 500; font-size: 13px; white-space: nowrap; }
.seg button[aria-pressed="true"] { background: var(--card); color: var(--ink); box-shadow: 0 1px 3px rgba(20, 20, 19, 0.12); }
.chip { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 6px; background: var(--sunk); color: var(--ink-2); font-size: 12px; white-space: nowrap; }
.empty { padding: 60px 20px; text-align: center; color: var(--muted); }
.empty svg.i { width: 40px; height: 40px; stroke-width: 1.3; color: var(--line-2); margin-bottom: 10px; }
.empty b { display: block; color: var(--ink-2); font: 500 17px var(--serif); margin-bottom: 4px; }

/* ———— 收藏：类型标签 ———— */
.types { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.type { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 16px; background: var(--card); cursor: pointer; text-align: left; transition: border-color 0.15s, box-shadow 0.15s; }
.type:hover { border-color: var(--line-2); }
.type[aria-selected="true"] { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset, var(--shadow); }
.type .ti { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: var(--sunk); color: var(--ink-2); flex: none; }
.type[aria-selected="true"] .ti { background: var(--accent-soft); color: var(--accent); }
.type b { display: block; font: 500 15px/1.2 var(--sans); }
.type span { color: var(--muted); font-size: 12.5px; font-variant-numeric: tabular-nums; }

/* 筛选 */
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px; border-radius: 14px; background: var(--card); border: 1px solid var(--line); }
.search { position: relative; flex: 1 1 220px; }
.search svg.i { position: absolute; left: 10px; top: 9px; color: var(--muted); }
.search input { width: 100%; padding-left: 34px; }
.filters select { min-width: 132px; }
.frange { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }
.frange input { width: 148px; }
.listbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 14px 2px 12px; flex-wrap: wrap; }
.listbar .cnt { color: var(--muted); font-size: 13px; }
.listbar .cnt b { color: var(--ink); font-weight: 600; }
.tools { display: flex; gap: 6px; flex-wrap: wrap; }
.menu-wrap { position: relative; }
.menu { position: absolute; right: 0; top: calc(100% + 6px); z-index: 20; min-width: 200px; padding: 6px; border-radius: 12px; background: var(--card); box-shadow: 0 0 0 1px var(--line), 0 12px 32px rgba(20, 20, 19, 0.14); }
.menu button { display: flex; width: 100%; align-items: center; gap: 8px; height: 34px; padding: 0 10px; border: 0; border-radius: 8px; background: none; cursor: pointer; text-align: left; font-size: 13.5px; }
.menu button:hover { background: var(--sunk); }
.menu button.danger { color: var(--accent); }
.menu hr { border: 0; border-top: 1px solid var(--line); margin: 4px 0; }
.menu small { margin-left: auto; color: var(--muted); font-size: 12px; }

/* 面板（Anki、按时间删除） */
.panel { margin: 0 0 14px; padding: 16px 18px; border-radius: 16px; background: var(--card); border: 1px solid var(--line); }
.panel-h { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.panel-h h3 { font-size: 17px; }
.panel .row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 8px 0; }
.panel .row > label { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: 13px; }
.panel .note { margin: 8px 0 0; color: var(--muted); font-size: 12.5px; }
.panel .note ol { margin: 4px 0 0; padding-left: 18px; }
.panel .preview { margin: 8px 0; font-size: 13.5px; }
.panel .preview b { color: var(--accent); }

/* ———— 收藏列表 ———— */
.clist { display: grid; gap: 12px; }
.clist.word, .clist.phrase { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.ci { position: relative; display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); border-radius: 16px; background: var(--card); box-shadow: var(--shadow); transition: border-color 0.15s; }
.ci:hover { border-color: var(--line-2); }
.ci-main { padding: 14px 16px 10px; cursor: pointer; }
.ci-head { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.hw { font: 500 21px/1.25 var(--serif); overflow-wrap: anywhere; }
.clist.phrase .hw { font-size: 18px; }
.ipa { color: var(--muted); font-size: 12.5px; white-space: nowrap; }
.spk { margin-left: auto; align-self: center; width: 28px; height: 28px; border: 0; border-radius: 8px; background: none; color: var(--muted); cursor: pointer; display: grid; place-items: center; flex: none; }
.spk:hover { background: var(--sunk); color: var(--accent); }
.spk svg.i { width: 16px; height: 16px; }
.def { margin: 6px 0 0; color: var(--ink-2); }
.def i { color: var(--accent); font-family: var(--serif-t); margin-right: 6px; }
.def .en { display: block; color: var(--muted); font-size: 13px; }
.pic { margin: 8px 0 0; padding: 7px 10px; border-radius: 10px; background: var(--sunk); font: 400 14px/1.55 var(--serif-t); color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ci.open .pic { -webkit-line-clamp: unset; }
.morph { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-top: 8px; font-size: 12.5px; }
.morph span { padding: 1px 7px; border-radius: 6px; background: var(--sunk); }
.morph span.root { color: var(--accent); }
.morph em { font-style: normal; color: var(--muted); }
.ctxq { margin: 8px 0 0; padding-left: 10px; border-left: 2px solid var(--line-2); color: var(--muted); font: italic 400 13.5px/1.5 var(--serif-t); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ctxq mark, .quote mark, .ci .more mark { background: var(--accent-soft); color: inherit; border-radius: 3px; padding: 0 2px; }
.more { display: none; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.ci.open .more { display: block; }
.more h4 { margin: 10px 0 4px; font: 500 12px var(--sans); color: var(--muted); }
.more h4:first-child { margin-top: 0; }
.more p { margin: 2px 0; }
.more .sim b { font-family: var(--serif-t); font-weight: 500; margin-right: 6px; }
.more .sim small { display: block; color: var(--muted); font-size: 12.5px; }
.more .ex { font-family: var(--serif-t); font-style: italic; color: var(--ink-2); }
.ci-foot { display: flex; align-items: center; gap: 8px; padding: 8px 12px 10px 16px; border-top: 1px solid var(--line); flex-wrap: wrap; min-height: 42px; }
.src { display: inline-flex; align-items: center; gap: 6px; max-width: 100%; min-width: 0; height: 24px; padding: 0 8px 0 6px; border-radius: 7px; background: var(--sunk); color: var(--ink-2); text-decoration: none; font-size: 12px; }
.src:hover { color: var(--ink); background: var(--accent-soft); }
.src .pf { width: 14px; height: 14px; border-radius: 4px; display: grid; place-items: center; color: #fff; font: 700 8px/1 var(--sans); flex: none; background: var(--muted); }
.src .pf.youtube { background: var(--yt); }
.src .pf.bilibili { background: var(--bili); }
.src span.t { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 220px; }
.src.none { background: none; color: var(--muted); padding: 0; }
.meta { color: var(--muted); font-size: 12px; white-space: nowrap; }
.tag-exp { display: inline-flex; align-items: center; gap: 4px; height: 22px; padding: 0 7px; border-radius: 6px; font-size: 11.5px; background: var(--ok-soft); color: var(--ok); white-space: nowrap; }
.tag-exp.no { background: var(--sunk); color: var(--muted); }
.tag-srs { font-size: 11.5px; color: var(--muted); white-space: nowrap; }
.tag-srs.due { color: var(--accent); font-weight: 600; }
.ci-acts { margin-left: auto; display: flex; gap: 2px; }
.ci-acts button { width: 28px; height: 28px; border: 0; border-radius: 8px; background: none; color: var(--muted); cursor: pointer; display: grid; place-items: center; }
.ci-acts button:hover { background: var(--sunk); color: var(--ink); }
.ci-acts button.del:hover { color: var(--accent); }
.ci-acts svg.i { width: 16px; height: 16px; }

/* 句式 */
.clist.pattern { grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); }
.frame { font: 500 20px/1.45 var(--serif); overflow-wrap: anywhere; }
.slot { display: inline-block; min-width: 1.3em; padding: 0 6px; margin: 0 1px; border-radius: 6px; background: var(--accent); color: #FAF9F5; text-align: center; font: 600 12.5px/1.65 var(--sans); vertical-align: 2px; }
.slot.cl { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 1.5px var(--accent); }
.use { margin: 6px 0 0; color: var(--ink-2); }
.use b { color: var(--muted); font-weight: 500; margin-right: 6px; font-size: 12.5px; }
.reg { margin-left: 8px; font-size: 11.5px; color: var(--muted); border: 1px solid var(--line-2); border-radius: 5px; padding: 0 5px; vertical-align: 3px; }

/* 整句 */
.clist.sentence { grid-template-columns: 1fr; }
.ci.sent .ci-main { display: flex; gap: 14px; }
.thumb { position: relative; flex: none; width: 152px; aspect-ratio: 16 / 9; border-radius: 10px; overflow: hidden; background-color: #2b2a27; background-position: center; background-size: cover; background-repeat: no-repeat; }
.thumb .ts { position: absolute; right: 6px; bottom: 6px; padding: 1px 6px; border-radius: 5px; background: rgba(0, 0, 0, 0.72); color: #fff; font: 600 11.5px/1.5 ui-monospace, "SF Mono", Menlo, monospace; }
.quote { margin: 0; font: 400 17px/1.6 var(--serif-t); overflow-wrap: anywhere; }
.sent .sub { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.kind { display: inline-block; margin-left: 6px; font-size: 11.5px; color: var(--muted); }
.cmore { display: block; margin: 18px auto 0; }

/* ———— 复习 ———— */
.rv-hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 16px; margin-bottom: 16px; }
.card-box { padding: 20px 22px; border-radius: 18px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.rv-big { font: 500 28px/1.25 var(--serif); margin: 0; }
.rv-sub { margin: 6px 0 16px; color: var(--ink-2); }
.rv-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.stat { padding: 12px 14px; border-radius: 14px; background: var(--sunk); }
.stat b { display: block; font: 500 26px/1.2 var(--serif); font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 12.5px; }
.stat.hot b { color: var(--accent); }
.rv-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; margin-bottom: 16px; }
.box-h { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.box-h h3 { font-size: 17px; }
.box-h small { color: var(--muted); }
.week { display: flex; align-items: flex-end; gap: 10px; height: 120px; }
.week i { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 6px; height: 100%; font-style: normal; font-size: 12px; color: var(--muted); }
.week u { display: block; width: 100%; max-width: 34px; border-radius: 6px 6px 3px 3px; background: var(--line-2); text-decoration: none; min-height: 3px; }
.week i.today u { background: var(--accent); }
.week i em { font-style: normal; font-size: 11.5px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.trow { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); }
.trow:first-of-type { border-top: 0; }
.trow b { font-weight: 500; min-width: 64px; }
.trow .tc { flex: 1; display: flex; gap: 12px; color: var(--muted); font-size: 12.5px; flex-wrap: wrap; }
.trow .tc em { font-style: normal; color: var(--accent); font-weight: 600; }
.groups { display: grid; gap: 12px; }
details.grp { border-radius: 16px; background: var(--card); border: 1px solid var(--line); }
details.grp summary { display: flex; align-items: center; gap: 10px; padding: 14px 18px; cursor: pointer; list-style: none; font: 500 15.5px var(--serif); }
details.grp summary::-webkit-details-marker { display: none; }
details.grp summary::after { content: ""; margin-left: auto; width: 8px; height: 8px; border-right: 1.8px solid var(--muted); border-bottom: 1.8px solid var(--muted); transform: rotate(45deg); transition: transform 0.2s; }
details.grp[open] summary::after { transform: rotate(225deg); }
details.grp summary small { font: 400 12.5px var(--sans); color: var(--muted); }
.set { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 12px 18px; border-top: 1px solid var(--line); }
.set > div:first-child { min-width: 0; }
.set b { font-weight: 500; }
.set p { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }
.set > select, .set > input[type="number"], .set > input[type="text"], .set > input[type="password"] { width: 200px; flex: none; }
.set.col { display: block; }
.set.col textarea { width: 100%; margin-top: 8px; }
.rng { display: flex; align-items: center; gap: 10px; width: 220px; flex: none; }
.rng input { flex: 1; accent-color: var(--accent); }
.rng output { width: 44px; text-align: right; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.set .acts { display: flex; gap: 8px; }
.keyrow { display: flex; gap: 6px; width: 320px; flex: none; }
.keyrow input { flex: 1; }

/* 页内复习 */
.session { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 24px; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%); animation: fadein 0.25s ease; }
.session-top { position: fixed; top: 18px; left: 24px; right: 24px; display: flex; align-items: center; gap: 12px; color: var(--muted); }
.session-top .bar { flex: 1; max-width: 360px; height: 4px; border-radius: 2px; background: var(--line-2); overflow: hidden; }
.session-top .bar i { display: block; height: 100%; background: var(--accent); transition: width 0.3s; }
.session-top .btn { margin-left: auto; }
.session-done { text-align: center; }
.session-done h2 { font-size: 26px; margin: 10px 0 6px; }
.session-done p { color: var(--muted); margin: 0 0 18px; }

/* ———— 推荐 ———— */
.rec-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.chips button { height: 30px; padding: 0 12px; border-radius: 15px; border: 1px solid var(--line-2); background: var(--card); color: var(--ink-2); cursor: pointer; font-size: 13px; }
.chips button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--card); }
.chips .sep { width: 1px; background: var(--line-2); margin: 4px 4px; }
.rec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.rc { display: flex; flex-direction: column; border-radius: 18px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; transition: transform 0.18s, box-shadow 0.18s; }
.rc:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(20, 20, 19, 0.1); }
.rc-b { padding: 16px 18px 10px; flex: 1; }
.rc-who { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.av { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; color: #fff; font: 600 17px var(--sans); flex: none; }
.av.youtube { background: linear-gradient(135deg, #E0372B, #B42318); }
.av.bilibili { background: linear-gradient(135deg, #F29BB5, #E0608A); }
.rc-who b { display: block; font: 500 16.5px/1.3 var(--serif); }
.rc-who small { color: var(--muted); font-size: 12px; }
.rc p { margin: 0; color: var(--ink-2); font-size: 13.5px; }
.rc .tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.rc-f { display: flex; align-items: center; gap: 8px; padding: 10px 14px 12px 18px; border-top: 1px solid var(--line); }
.rc-f .btn { margin-left: auto; }
.lvl { font-size: 12px; color: var(--muted); }
.vthumb { position: relative; aspect-ratio: 16 / 9; background-color: #2b2a27; background-position: center; background-size: cover; background-repeat: no-repeat; }
.vthumb.bili { display: grid; place-items: center; background: linear-gradient(135deg, #F7C6D5, #E8739A); color: #fff; }
.vthumb.bili span { font: 700 30px/1 var(--sans); letter-spacing: 0.06em; opacity: 0.9; }
.vthumb .dur { position: absolute; right: 8px; bottom: 8px; padding: 1px 6px; border-radius: 5px; background: rgba(0, 0, 0, 0.72); color: #fff; font: 600 11.5px/1.5 ui-monospace, monospace; }
.vthumb .pf { position: absolute; left: 8px; top: 8px; padding: 1px 7px; border-radius: 5px; color: #fff; font: 600 11px/1.6 var(--sans); }
.vthumb .pf.youtube { background: var(--yt); }
.vthumb .pf.bilibili { background: var(--bili); }
.rc .vt { font: 500 15px/1.4 var(--serif-t); color: var(--ink); margin: 0 0 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.rec-note { margin-top: 18px; color: var(--muted); font-size: 12.5px; }

/* ———— 设置 ———— */
.stats-dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; margin: 0; padding: 4px 18px 14px; font-size: 13.5px; }
.stats-dl dt { color: var(--muted); }
.stats-dl dd { margin: 0; font-variant-numeric: tabular-nums; }

#toast { position: fixed; left: 50%; bottom: 28px; z-index: 80; display: flex; align-items: center; gap: 12px; padding: 9px 16px; border-radius: 12px; background: var(--ink); color: var(--card); opacity: 0; transform: translate(-50%, 16px); pointer-events: none; transition: 0.22s; font-size: 13.5px; }
#toast.on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
#toast button { border: 0; background: none; color: var(--accent-2); font-weight: 600; cursor: pointer; padding: 0; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; align-items: center; gap: 10px; padding: 10px 12px; }
  .brand { padding: 0; }
  .brand small, .side-foot { display: none; }
  .nav { grid-auto-flow: column; }
  .nav a .lbl { display: none; }
  main { padding: 20px 16px 60px; }
  .types { grid-template-columns: repeat(2, 1fr); }
  .rv-hero, .rv-row { grid-template-columns: 1fr; }
  .clist.pattern { grid-template-columns: 1fr; }
  .thumb { width: 110px; }
}

/* ---------- 词块：四种细分 ---------- */
.ckchips { display: flex; flex-wrap: wrap; gap: 8px; margin: -4px 0 14px; }
.ckchip { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); color: var(--ink); cursor: pointer; font-size: 13px; font-weight: 500; }
.ckchip span { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.ckchip:hover:not(:disabled) { border-color: var(--line-2); background: var(--sunk); }
.ckchip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.ckchip[aria-pressed="true"] span { color: inherit; opacity: 0.7; }
.ckchip:disabled { opacity: 0.45; cursor: default; }
.ckchip::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--c, transparent); }
.ckchip.ck-all::before, .ckchip.ck-other::before { display: none; }
.ck-fixed { --c: #B4552F; }
.ck-collocation { --c: #2F7D6B; }
.ck-frame { --c: #3E6AB3; }
.ck-functional { --c: #8A55A8; }
.ckt { flex: none; align-self: center; padding: 1px 8px; border-radius: 6px; font-size: 11.5px; font-weight: 600; color: var(--c); background: color-mix(in srgb, var(--c) 13%, transparent); }
.ci.chunk .hw { overflow-wrap: anywhere; }
.ci.chunk .def { font-size: 15px; }
.ci.chunk .en1 { margin: 2px 0 0; color: var(--muted); font-size: 13.5px; }
.ci.chunk .scn { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.ci.chunk .scn span { padding: 1px 9px; border-radius: 999px; background: var(--sunk); font-size: 12px; color: var(--ink-2, var(--ink)); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ck-fixed { --c: #E08A62; }
  :root:not([data-theme="light"]) .ck-collocation { --c: #5FBFA6; }
  :root:not([data-theme="light"]) .ck-frame { --c: #7FA4E6; }
  :root:not([data-theme="light"]) .ck-functional { --c: #C390DE; }
}