:root{
  --bg:#f4efe6;
  --panel:#fffaf1;
  --panel-2:#f9f1e5;
  --ink:#211a14;
  --muted:#756a5f;
  --line:#ddd0bd;
  --accent:#8d4b32;
  --accent-2:#bf8c3d;
  --shadow:0 24px 70px rgba(56,40,25,.12);
  --radius:28px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{
  margin:0;
  color:var(--ink);
  background:radial-gradient(circle at 12% -5%, rgba(191,140,61,.22), transparent 26rem), radial-gradient(circle at 82% 12%, rgba(141,75,50,.12), transparent 30rem), linear-gradient(180deg,#fcf8f0 0%,var(--bg) 55%,#eee4d7 100%);
  font-family:ui-serif, Georgia, "Times New Roman", "Noto Serif SC", serif;
}
button,input{font:inherit}
button{cursor:pointer}
.app-shell{max-width:1280px;margin:0 auto;padding:36px 24px 120px}
.library-hero{display:grid;grid-template-columns:1fr 430px;gap:36px;align-items:end;margin-bottom:28px}
.eyebrow{font:800 12px/1 ui-sans-serif,system-ui,sans-serif;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
h1{margin:10px 0 12px;font-size:clamp(44px,7vw,84px);line-height:.9;letter-spacing:-.065em;max-width:780px}
.library-hero p{margin:0;color:var(--muted);font:15px/1.7 ui-sans-serif,system-ui,sans-serif;max-width:610px}
.library-search-card{background:rgba(255,250,241,.78);border:1px solid rgba(141,75,50,.16);border-radius:24px;padding:18px;box-shadow:var(--shadow)}
.library-search-card label{display:block;margin:0 0 9px;color:var(--muted);font:700 12px/1 ui-sans-serif,system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase}
.library-search{display:flex;align-items:center;gap:10px;background:white;border:1px solid var(--line);border-radius:999px;padding:13px 17px;font:15px ui-sans-serif,system-ui,sans-serif;color:var(--muted)}
.library-search input{border:0;outline:0;background:transparent;width:100%;color:var(--ink)}
.library-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.library-stat{background:var(--panel-2);border-radius:18px;padding:12px 10px;text-align:center;font-family:ui-sans-serif,system-ui,sans-serif}.library-stat b{display:block;font-size:20px;color:var(--accent)}.library-stat span{font-size:12px;color:var(--muted)}
.person-section{margin-top:38px;background:rgba(255,250,241,.56);border:1px solid rgba(141,75,50,.13);border-radius:var(--radius);padding:24px;box-shadow:0 14px 50px rgba(56,40,25,.07)}
.person-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:17px;padding-bottom:13px;border-bottom:1px solid var(--line)}
.person-title{display:flex;align-items:baseline;gap:12px}.person-title h2{margin:0;font-size:30px;letter-spacing:-.045em}.person-title span{font:700 13px ui-sans-serif,system-ui,sans-serif;color:var(--muted)}
.expand-person{border:1px solid rgba(141,75,50,.22);background:#fff8ed;color:var(--accent);border-radius:999px;padding:8px 13px;font:800 13px ui-sans-serif,system-ui,sans-serif}
.article-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.library-card{min-height:328px;border:1px solid rgba(117,96,72,.17);background:linear-gradient(180deg,#fffdf8 0%,#f8efe2 100%);border-radius:24px;overflow:hidden;box-shadow:0 12px 34px rgba(56,40,25,.08);display:flex;flex-direction:column;transition:transform .18s ease, box-shadow .18s ease;text-align:left;padding:0;color:inherit}
.library-card:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(56,40,25,.13)}
.cover{height:142px;padding:17px;display:flex;flex-direction:column;justify-content:space-between;color:white;position:relative;overflow:hidden;background:linear-gradient(135deg,#2d211b,#8d4b32)}
.cover:before{content:"";position:absolute;inset:-45px -30px auto auto;width:150px;height:150px;border-radius:999px;background:rgba(255,255,255,.13)}
.cover:after{content:"";position:absolute;inset:auto auto -65px -40px;width:180px;height:180px;border-radius:999px;background:rgba(191,140,61,.22)}
.cover.buffett{background:linear-gradient(135deg,#2d3426,#6b7c51)}.cover.huang{background:linear-gradient(135deg,#17251b,#4f7d42)}.cover.trump{background:linear-gradient(135deg,#25233e,#915236)}.cover.sunak{background:linear-gradient(135deg,#1c2636,#596d88)}
.cover.has-image{background-size:cover;background-position:center}.cover.has-image:before,.cover.has-image:after{display:none}.cover.has-image .cover-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.25),rgba(0,0,0,.58))}
.cover-top,.cover-name{position:relative;z-index:1}.cover-top{display:flex;align-items:center;justify-content:space-between;font:800 12px/1 ui-sans-serif,system-ui,sans-serif;letter-spacing:.08em}.cover-name{font-size:25px;line-height:1.02;letter-spacing:-.045em;text-transform:uppercase;text-shadow:0 3px 18px rgba(0,0,0,.24)}
.card-body{padding:17px;display:flex;flex-direction:column;gap:10px;flex:1}.tag{width:max-content;border:1px solid rgba(141,75,50,.22);background:#f3e4d5;color:var(--accent);border-radius:999px;padding:5px 9px;font:800 11px/1 ui-sans-serif,system-ui,sans-serif}.card-title{font-size:19px;line-height:1.25;letter-spacing:-.035em}.card-en-title{font:13px/1.35 ui-sans-serif,system-ui,sans-serif;color:var(--muted)}.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font:12px ui-sans-serif,system-ui,sans-serif}.start{color:var(--accent);font-weight:900;white-space:nowrap}
.empty-state{padding:54px;text-align:center;color:var(--muted);font:16px ui-sans-serif,system-ui,sans-serif}
.reader-screen{background:rgba(255,250,241,.76);border:1px solid rgba(141,75,50,.14);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;position:relative;min-height:calc(100vh - 72px)}
.reader-head{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:start;padding:28px 34px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.48),rgba(255,250,241,.62))}.back-button{border:0;background:transparent;color:var(--accent);font:900 14px ui-sans-serif,system-ui,sans-serif;padding:0 0 14px}.reader-head h2{margin:0 0 6px;font-size:34px;line-height:1.08;letter-spacing:-.055em}.reader-subtitle,.reader-audio-status{margin:0;color:var(--muted);font:14px/1.55 ui-sans-serif,system-ui,sans-serif}.reader-audio-status{margin-top:8px}.mode-switch{display:flex;gap:4px;padding:4px;border:1px solid var(--line);background:white;border-radius:999px;font-family:ui-sans-serif,system-ui,sans-serif}.mode-switch button{border:0;background:transparent;border-radius:999px;padding:9px 14px;color:var(--muted)}.mode-switch .active{background:var(--ink);color:white}
.segments{padding:18px 34px 124px}.sentence-row{display:grid;grid-template-columns:92px 1fr;gap:20px;padding:15px 0;border-bottom:1px solid var(--line);cursor:pointer}.sentence-row.playing{margin:0 -15px;padding:15px;border-radius:18px;background:rgba(191,140,61,.13);border-bottom-color:transparent}.timecode{font:12px/1.45 ui-sans-serif,system-ui,sans-serif;color:var(--muted);padding-top:5px}.timecode b{display:block;color:var(--accent);font-size:14px;margin-bottom:4px}.sentence-en{font-size:21px;line-height:1.42;letter-spacing:-.015em}.sentence-zh{margin-top:5px;color:#76513f;font-size:16px;line-height:1.55}.hide-zh .sentence-zh,.hide-zh .article-translation{display:none!important}
.article-view{font-size:22px;line-height:1.85;max-width:980px}.article-unit{cursor:pointer}.article-segment{border-radius:8px;padding:1px 2px}.article-segment.playing{background:rgba(191,140,61,.18);box-shadow:0 0 0 4px rgba(191,140,61,.10);font-weight:800}.article-translation{display:block;color:#76513f;font-size:16px;line-height:1.55;margin:.1rem 0 .7rem 1.2rem}
.floating-player{position:fixed;right:24px;bottom:24px;z-index:20;display:flex;align-items:center;gap:6px;background:rgba(33,26,20,.92);color:white;border-radius:999px;padding:8px 9px 8px 10px;box-shadow:0 20px 55px rgba(33,26,20,.28);font-family:ui-sans-serif,system-ui,sans-serif;user-select:none;touch-action:none}.floating-player button{border:0;background:rgba(255,255,255,.12);color:white;border-radius:999px;padding:8px 10px;font-size:13px}.floating-player .primary{background:white;color:var(--ink)}.floating-player button:disabled{opacity:.45}.floating-status{font-size:12px;color:rgba(255,255,255,.72);padding:0 4px;white-space:nowrap}.floating-drag{cursor:grab;letter-spacing:-4px;padding-right:12px!important}.floating-player.dragging .floating-drag{cursor:grabbing}.floating-player.collapsed{width:52px;height:52px;border-radius:999px;justify-content:center;padding:0}.floating-player.collapsed button:not(#floatingCollapse),.floating-player.collapsed .floating-status,.floating-player.collapsed .floating-drag{display:none}.floating-player.collapsed #floatingCollapse{display:block;width:52px;height:52px;padding:0;background:white;color:var(--ink);font-weight:900}
mark{background:#f4d38f;border-radius:5px;padding:0 2px}
@media(max-width:1100px){.library-hero{grid-template-columns:1fr}.article-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.app-shell{padding:24px 14px 100px}h1{font-size:48px}.person-section{padding:18px}.person-head{display:block}.expand-person{margin-top:12px}.article-grid{grid-template-columns:1fr}.reader-head{display:block;padding:24px 20px}.mode-switch{margin-top:18px;width:max-content}.segments{padding:12px 20px 130px}.sentence-row{grid-template-columns:1fr;gap:4px}.floating-player:not(.collapsed){left:12px;right:12px;bottom:16px;justify-content:center;flex-wrap:wrap;border-radius:22px}.floating-player.collapsed{right:16px;bottom:16px}}