:root{color-scheme:light;--bg:#f5f5f3;--ink:#18181b;--muted:#626269;--line:#dededb;--white:#fff;--green:#27815f;--red:#b43232;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;line-height:1.6;-webkit-font-smoothing:antialiased}button,textarea{font:inherit}button,a,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}a{color:inherit}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid #378466;outline-offset:4px}[hidden]{display:none!important}.page{width:min(880px,100% - 64px);margin:0 auto}.header{display:flex;align-items:center;justify-content:space-between;padding:40px 0 64px;gap:16px}.brand{text-decoration:none;display:flex;align-items:center;gap:11px;font-size:17px;font-weight:650;letter-spacing:-.4px}.brand-mark{background:var(--ink);color:#fff;width:29px;height:29px;display:grid;place-items:center;border-radius:8px;font-size:22px;line-height:1}.secondary,.primary,.cancel,.save-link{border:1px solid var(--line);border-radius:12px;min-height:48px;padding:11px 20px;font-weight:600;display:inline-flex;gap:12px;align-items:center;justify-content:center;text-decoration:none}.secondary{background:var(--white);color:var(--ink)}.small{font-size:13px;min-height:44px;padding:9px 14px}.intro{margin-bottom:32px}.eyebrow{font-size:12px;letter-spacing:1.2px;font-weight:600;display:flex;align-items:center;gap:8px;color:var(--muted);margin:0 0 16px}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);flex-shrink:0}h1{font-size:clamp(30px,4.5vw,42px);font-weight:650;letter-spacing:-1.6px;line-height:1.3;margin:0 0 16px}.mobile-break{display:none}.subtitle{font-size:15px;color:var(--muted);margin:0}.input-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-size:13px;font-weight:600}.text-button{border:0;background:transparent;color:var(--muted);padding:8px 0 8px 12px;min-height:44px;font-size:13px}.text-button:hover{color:var(--ink)}textarea{width:100%;padding:20px;min-height:118px;border:1px solid var(--line);border-radius:14px;resize:vertical;background:var(--white);color:var(--ink);font-size:15px;line-height:1.7;box-shadow:0 2px 5px #00000003;display:block}textarea::placeholder{color:#8a8a91}textarea:focus{border-color:#56565d}.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:18px}.primary,.save-link{background:var(--ink);color:#fff;border-color:var(--ink);font-size:14px;padding:13px 25px;min-height:50px}.primary>span{font-size:22px;line-height:1}.primary:hover,.save-link:hover{background:#333}.cancel{color:var(--red);background:transparent;border-color:#dcbebe;font-size:13px}.hint{font-size:12px;color:var(--muted)}.form-message{font-size:13px;padding:12px 14px;border-radius:8px;background:#ececea;margin:16px 0 0;overflow-wrap:anywhere}.form-message.error{background:#f7eaea;color:#963030}.features{list-style:none;display:flex;flex-wrap:wrap;gap:12px 26px;font-size:12px;color:var(--muted);padding:0;margin:24px 0 44px}.features li{display:flex;align-items:center;gap:7px}.features li::before{content:"✓";color:var(--green);font-size:13px}.section-heading{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:20px}h2{font-size:14px;font-weight:650;margin:0}.tag{background:#eaeae7;color:var(--muted);border-radius:30px;font-size:11px;padding:3px 10px}.empty-state{border:1px dashed #d3d3ce;border-radius:14px;text-align:center;padding:32px 20px;color:var(--muted)}.empty-icon{display:grid;place-items:center;margin:0 auto 9px;width:32px;height:32px;border:1px solid var(--line);border-radius:9px;color:#7e7e84;font-size:21px}.empty-state p{font-size:13px;margin:0 0 4px}.empty-state>span:last-child{font-size:12px;color:#77777d}#result{border:1px solid var(--line);border-radius:14px;background:var(--white);padding:25px}.result-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.status-label{font-size:11px;color:var(--green);font-weight:600}h3{font-size:15px;font-weight:600;line-height:1.7;margin:7px 0;white-space:pre-wrap;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}#video-meta{margin:6px 0 18px}.format-tag{font-size:11px;border:1px solid var(--line);border-radius:5px;padding:3px 7px;white-space:nowrap;margin-top:7px}progress{width:100%;height:5px;display:block;accent-color:var(--ink);border:none;border-radius:5px;overflow:hidden;background:#eaeae7}progress::-webkit-progress-bar{background:#eaeae7}progress::-webkit-progress-value{background:var(--ink);border-radius:5px}.progress-detail{display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted);margin:10px 0 4px}.result-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.result-note{margin:12px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}.other-video{border-top:1px solid var(--line);display:flex;align-items:center;gap:14px;justify-content:space-between;padding-top:14px;margin-top:18px;font-size:12px}footer{border-top:1px solid var(--line);padding:23px 0 30px;margin-top:44px;color:var(--muted);font-size:12px}footer p{margin:5px 0}footer p:first-child{display:flex;align-items:center;gap:8px}.footer-detail{font-size:11px;color:#75757b}.footer-detail a{text-underline-offset:3px}dialog{border:1px solid var(--line);border-radius:16px;padding:26px;width:min(540px,calc(100% - 36px));color:var(--ink);background:var(--bg);max-height:85dvh}dialog::backdrop{background:#18181b66}.dialog-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.dialog-heading h2{font-size:18px}.icon-button{border:none;background:transparent;width:44px;height:44px;font-size:28px;color:var(--muted)}dialog p,dialog li{font-size:13px;color:#55555d;line-height:1.85}dialog ol{padding-left:21px}dialog li{padding-left:3px;margin-bottom:7px}
@media(max-width:600px){.page{width:calc(100% - 36px)}.header{padding:24px 0 40px}.brand{font-size:15px;gap:8px}.small{padding:8px 12px}.intro{margin-bottom:23px}h1{font-size:32px;letter-spacing:-1px}.mobile-break{display:block}.subtitle{font-size:13px;line-height:1.9;max-width:28em}.eyebrow{font-size:11px;margin-bottom:14px}textarea{padding:15px;min-height:116px;font-size:16px}.form-actions{gap:12px}.primary{width:100%}.cancel{width:100%;order:2}.form-actions .hint{width:100%;text-align:center}.features{gap:8px 14px;font-size:11px;margin:23px 0 33px}#result{padding:19px}.result-actions{gap:10px}.result-actions>a,.result-actions>button{flex:1;font-size:12px;min-width:130px;padding:11px 12px}.empty-state{padding:28px 12px}footer{margin-top:33px;font-size:11px}.footer-detail{font-size:10px}.other-video{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.comment-info{margin-top:20px;padding-top:17px;border-top:1px solid var(--line)}.comment-info h4{font-size:12px;font-weight:600;color:var(--muted);margin:0 0 7px}.comment-info>p{margin:8px 0;overflow-wrap:anywhere}.comments-list{list-style:none;margin:14px 0;padding:0;display:grid;gap:10px}.comments-list li{padding:12px 14px;background:#f8f8f6;border:1px solid var(--line);border-radius:10px;min-width:0}.comments-list strong{display:block;font-size:14px;margin:4px 0;overflow-wrap:anywhere}.clue-kind{font-size:11px;color:var(--muted)}.comment-sources{display:flex;flex-wrap:wrap;gap:4px 18px}.code-search{border-top:1px dashed var(--line);margin-top:4px}.comment-sources a{display:inline-flex;align-items:center;min-height:44px;font-size:12px;max-width:100%;overflow-wrap:anywhere;text-underline-offset:3px}
.title-info{margin-top:20px;padding-top:17px;border-top:1px solid var(--line)}.title-info h4{font-size:12px;font-weight:600;color:var(--muted);margin:0 0 7px}.title-info p{margin:6px 0;overflow-wrap:anywhere}.source-title-value{font-size:14px;font-weight:600}.source-title-source{display:inline-flex;align-items:center;min-height:44px;font-size:12px;text-underline-offset:3px}
.subtitle-info{margin-top:20px;padding-top:17px;border-top:1px solid var(--line)}.subtitle-info h4{font-size:12px;font-weight:600;color:var(--muted);margin:0 0 7px}.subtitle-info>p{margin:8px 0;overflow-wrap:anywhere}.subtitle-info progress{width:100%}.subtitle-key{display:grid;gap:6px;margin:10px 0}.subtitle-key label{font-size:13px;font-weight:600}.subtitle-key-row{display:flex;gap:8px}.subtitle-key-row input{flex:1;min-width:0;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;font:inherit}.subtitle-preview{display:block;width:100%;max-height:360px;margin-top:12px;border-radius:10px;background:#000}
.form-actions .shortcut-install{min-height:50px;font-size:14px;padding:13px 20px}@media(max-width:600px){.form-actions .primary,.form-actions .shortcut-install{flex:1 1 160px;width:auto}}