@font-face { font-family: "SolSC"; src: url(../fonts/sol-sc-400.woff2) format("woff2"); font-weight: 100 500; font-display: swap; }
@font-face { font-family: "SolSC"; src: url(../fonts/sol-sc-700.woff2) format("woff2"); font-weight: 600 800; font-display: swap; }
@font-face { font-family: "SolSC"; src: url(../fonts/sol-sc-900.woff2) format("woff2"); font-weight: 850 1000; font-display: swap; }
@font-face { font-family: "SolGrotesk"; src: url(../fonts/sol-grotesk.woff2) format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "SolMono"; src: url(../fonts/sol-mono.woff2) format("woff2"); font-weight: 100 800; font-display: swap; }

:root {
  --bg: #07050d; --panel: #110d1c; --panel2: #171226; --line: rgba(255,255,255,.08);
  --fg: #f4f2ff; --muted: #9a93b8; --purple: #9945FF; --green: #14F195; --pink: #DC1FFF;
  --grad: linear-gradient(90deg, #9945FF, #14F195);
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font-family: "SolSC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
body { min-height: 100vh; background: radial-gradient(1200px 600px at 10% -10%, rgba(153,69,255,.18), transparent 60%), radial-gradient(900px 500px at 110% 10%, rgba(20,241,149,.10), transparent 60%), var(--bg); }
button { font: inherit; color: inherit; cursor: pointer; }
.app { max-width: 1600px; margin: 0 auto; padding: 18px 22px 30px; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.brand { display: flex; gap: 14px; align-items: center; }
.brand h1 { margin: 0; font-size: 22px; font-weight: 900; letter-spacing: .5px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
.logo { width: 34px; height: 30px; display: grid; gap: 4px; transform: skewX(-18deg); }
.logo i { display: block; border-radius: 2px; background: var(--grad); }
.back { color: var(--muted); text-decoration: none; font-size: 13px; white-space: nowrap; border: 1px solid var(--line); padding: 7px 12px; border-radius: 999px; }
.back:hover { color: var(--fg); border-color: rgba(255,255,255,.25); }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 18px; align-items: start; }
@media (max-width: 1100px) { .layout { grid-template-columns: 1fr; } }

.stage-wrap { display: flex; justify-content: center; align-items: center; background: #000; border-radius: 16px; border: 1px solid var(--line); overflow: hidden; box-shadow: 0 30px 80px -30px rgba(153,69,255,.45); }
.stage { position: relative; width: 100%; aspect-ratio: 16 / 9; }
.stage-wrap.portrait { background: repeating-linear-gradient(45deg, #0a0812 0 12px, #0d0a17 12px 24px); }
.stage-wrap.portrait .stage { width: auto; height: min(78vh, 980px); aspect-ratio: 9 / 16; }
.stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.stage-wrap:fullscreen { border-radius: 0; border: 0; height: 100vh; }
.stage-wrap:fullscreen .stage { width: min(100vw, 100vh * 16 / 9); height: auto; }
.stage-wrap.portrait:fullscreen .stage { height: 100vh; width: auto; }

.big-play { position: absolute; inset: 0; margin: auto; width: max-content; height: max-content; display: flex; align-items: center; gap: 12px; padding: 16px 26px 16px 18px; border-radius: 999px; border: 1px solid rgba(255,255,255,.25); background: rgba(10,6,20,.6); backdrop-filter: blur(10px); font-size: 18px; font-weight: 700; transition: transform .2s, opacity .3s; }
.big-play svg { width: 40px; height: 40px; fill: #fff; background: var(--grad); border-radius: 50%; padding: 8px; }
.big-play:hover { transform: scale(1.05); }
.big-play.hide { opacity: 0; pointer-events: none; }
.loading { position: absolute; left: 50%; bottom: 14%; transform: translateX(-50%); display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--muted); background: rgba(0,0,0,.5); padding: 8px 14px; border-radius: 999px; }
.loading.hide { display: none; }
.spin { width: 14px; height: 14px; border-radius: 50%; border: 2px solid rgba(255,255,255,.2); border-top-color: var(--green); animation: sp 1s linear infinite; }
@keyframes sp { to { transform: rotate(360deg); } }

.controls { display: flex; align-items: center; gap: 12px; margin-top: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 8px 12px; }
.ctl { width: 38px; height: 38px; border: 0; border-radius: 10px; background: transparent; display: grid; place-items: center; flex: none; }
.ctl:hover { background: rgba(255,255,255,.07); }
.ctl svg { width: 24px; height: 24px; fill: currentColor; }
.time { font-family: "SolMono", ui-monospace, monospace; font-size: 13px; color: var(--muted); white-space: nowrap; min-width: 92px; }
.time .sep { margin: 0 4px; opacity: .5; }
.scrub { position: relative; flex: 1; height: 34px; cursor: pointer; touch-action: none; }
.scrub .track { position: absolute; left: 0; right: 0; top: 15px; height: 4px; border-radius: 4px; background: rgba(255,255,255,.12); overflow: hidden; }
.scrub .fill { height: 100%; width: 0; background: var(--grad); }
.scrub:hover .track { height: 6px; top: 14px; }
.scrub .marks i { position: absolute; top: 12px; width: 2px; height: 10px; background: rgba(255,255,255,.35); border-radius: 1px; }
.scrub .knob { position: absolute; top: 10px; width: 14px; height: 14px; margin-left: -7px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 4px rgba(20,241,149,.25); left: 0; }
.scrub .tip { position: absolute; bottom: 34px; transform: translateX(-50%); white-space: nowrap; font-size: 12px; background: #000; border: 1px solid var(--line); padding: 4px 8px; border-radius: 6px; opacity: 0; pointer-events: none; transition: opacity .15s; }
.scrub:hover .tip { opacity: 1; }

.toggles { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 12px; }
.seg { display: inline-flex; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 4px; gap: 4px; }
.seg button { border: 0; background: transparent; padding: 8px 14px; border-radius: 9px; color: var(--muted); font-size: 14px; line-height: 1.25; }
.seg button.on { background: linear-gradient(135deg, rgba(153,69,255,.35), rgba(20,241,149,.22)); color: var(--fg); box-shadow: inset 0 0 0 1px rgba(255,255,255,.12); }
.seg.small { display: flex; width: 100%; }
.seg.small button { flex: 1; font-size: 13px; padding: 8px 6px; }
.seg em { font-style: normal; font-size: 11px; opacity: .7; }
.chk { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); cursor: pointer; user-select: none; }
.chk input { accent-color: var(--green); width: 16px; height: 16px; }
.hint { font-size: 12px; color: #5f5878; margin-left: auto; }
@media (max-width: 700px) { .hint { display: none; } }

.side { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; position: sticky; top: 14px; max-height: calc(100vh - 28px); display: flex; flex-direction: column; }
.tabs { display: flex; border-bottom: 1px solid var(--line); flex: none; }
.tabs button { flex: 1; border: 0; background: transparent; padding: 13px 4px; color: var(--muted); font-size: 14px; font-weight: 700; border-bottom: 2px solid transparent; }
.tabs button.on { color: var(--fg); border-bottom-color: var(--green); }
.panel { display: none; padding: 16px; overflow: auto; }
.panel.on { display: block; }
.panel h3 { margin: 0 0 6px; font-size: 16px; }
.muted { color: var(--muted); font-size: 13px; line-height: 1.6; margin: 0 0 12px; }
.muted.small { font-size: 12px; margin-top: 10px; }

.chapters { list-style: none; margin: 0; padding: 0; counter-reset: c; }
.chapters li { display: flex; gap: 10px; align-items: center; padding: 9px 10px; border-radius: 10px; cursor: pointer; transition: background .15s; }
.chapters li:hover { background: rgba(255,255,255,.05); }
.chapters li.on { background: linear-gradient(90deg, rgba(153,69,255,.25), rgba(20,241,149,.08)); }
.chapters .n { font-family: "SolMono", monospace; font-size: 11px; color: var(--muted); width: 22px; }
.chapters .ttl { flex: 1; font-size: 14px; font-weight: 700; }
.chapters .yr { font-size: 11px; color: var(--green); font-family: "SolMono", monospace; margin-left: 6px; font-weight: 400; }
.chapters .ts { font-family: "SolMono", monospace; font-size: 12px; color: var(--muted); }
.chapters .pbar { height: 2px; background: var(--grad); width: 0; border-radius: 2px; margin-top: 4px; }

.field { margin-bottom: 12px; }
.field > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.exp-actions { display: flex; gap: 10px; margin-top: 14px; }
.primary { flex: 1; border: 0; border-radius: 12px; padding: 12px; font-weight: 900; font-size: 15px; color: #08050f; background: var(--grad); box-shadow: 0 10px 30px -10px rgba(20,241,149,.6); }
.primary:disabled { opacity: .5; cursor: wait; }
.ghost { border: 1px solid rgba(255,255,255,.18); background: transparent; border-radius: 10px; padding: 10px 14px; color: var(--fg); }
.ghost:hover { background: rgba(255,255,255,.06); }
.ghost.small { padding: 4px 10px; font-size: 12px; margin-left: 8px; border-radius: 8px; }
.progress { margin-top: 14px; }
.progress .bar { height: 8px; background: rgba(255,255,255,.08); border-radius: 8px; overflow: hidden; }
.progress .bar div { height: 100%; width: 0; background: var(--grad); transition: width .2s; }
.ptext { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-top: 6px; font-family: "SolMono", monospace; }
.exp-preview { width: 100%; margin-top: 10px; border-radius: 8px; border: 1px solid var(--line); background: #000; }
.result { margin-top: 14px; padding: 12px; border-radius: 12px; background: rgba(20,241,149,.08); border: 1px solid rgba(20,241,149,.3); font-size: 13px; line-height: 1.6; }
.result a { color: var(--green); font-weight: 700; }
.result.err { background: rgba(255,59,92,.08); border-color: rgba(255,59,92,.35); }

.pub-block { margin-top: 14px; }
.pub-head { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.pub-head b { color: var(--fg); font-size: 13px; }
.pub-text { white-space: pre-wrap; background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 13px; line-height: 1.65; max-height: 260px; overflow: auto; }
.pub-alt { display: flex; flex-direction: column; gap: 6px; }
.pub-alt .row { display: flex; gap: 8px; align-items: flex-start; background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; font-size: 13px; line-height: 1.5; }
.pub-alt .row span { flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span { font-size: 12px; padding: 3px 9px; border-radius: 999px; background: rgba(153,69,255,.18); border: 1px solid rgba(153,69,255,.35); }
.copy { flex: none; border: 1px solid rgba(255,255,255,.18); background: transparent; border-radius: 8px; padding: 3px 10px; font-size: 12px; color: var(--fg); }
.copy:hover { background: rgba(20,241,149,.12); border-color: rgba(20,241,149,.5); }
.count { font-family: "SolMono", monospace; font-size: 11px; color: var(--muted); }
.count.over { color: #ff6b81; }

.covers { display: grid; gap: 14px; }
.covers figure { margin: 0; }
.covers canvas { width: 100%; border-radius: 10px; border: 1px solid var(--line); display: block; background: #000; }
.covers .cover-p { width: 75%; margin: 0 auto; }
.covers figcaption { font-size: 12px; color: var(--muted); margin-top: 6px; display: flex; align-items: center; justify-content: center; }

.foot { margin-top: 22px; font-size: 12px; color: #5f5878; text-align: center; line-height: 1.6; }
.toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%) translateY(20px); background: #111; border: 1px solid rgba(20,241,149,.4); color: var(--fg); padding: 10px 18px; border-radius: 999px; font-size: 14px; opacity: 0; pointer-events: none; transition: all .25s; z-index: 50; }
.toast.on { opacity: 1; transform: translateX(-50%); }