:root{--page:#f3f6f8;--ink:#172433;--muted:#637081;--line:#d7e0e5;--teal:#2f7d7c;--coral:#d5573b;--blue:#4d6fa9;color:var(--ink);background:var(--page);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;letter-spacing:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input,textarea{font:inherit;letter-spacing:0}button:focus-visible,label:focus-within,textarea:focus-visible{outline-offset:2px;outline:3px solid #2f7d7c3d}p{line-height:1.55}.app{min-height:100vh;color:var(--ink);background:linear-gradient(90deg, #2f7d7c14 1px, transparent 1px), linear-gradient(0deg, #2f7d7c0f 1px, transparent 1px), var(--page);background-size:34px 34px}.topbar{justify-content:space-between;align-items:center;gap:18px;max-width:1440px;margin:0 auto;padding:22px 28px 18px;display:flex}.brand{align-items:center;gap:12px;min-width:0;display:flex}.brand-mark{color:#fff;background:#162433;border:1px solid #fff3;border-radius:8px;flex:none;place-items:center;width:42px;height:42px;display:inline-grid;box-shadow:0 12px 28px #1624332e}.brand h1,.brand p,.section-title h2,.step-heading h2,.story-frame h3{margin:0}.brand h1{letter-spacing:0;font-size:22px;font-weight:760;line-height:1.1}.brand p{color:var(--muted);margin-top:4px;font-size:14px}.status-chip,.progress-badge,.replacement-status{border:1px solid var(--line);min-height:34px;color:var(--muted);white-space:nowrap;background:#ffffffbd;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:0 12px;display:inline-flex}.tool-layout{grid-template-columns:minmax(310px,380px) minmax(0,1fr);gap:18px;max-width:1440px;margin:0 auto;padding:0 28px 32px;display:grid}.control-panel,.preview-panel,.audio-panel,.prompt-panel,.system-prompt-panel,.storyboard-panel,.replacement-panel{border:1px solid var(--line);background:#ffffffe6;border-radius:8px;box-shadow:0 18px 48px #24344714}.control-panel{flex-direction:column;gap:0;display:flex;overflow:hidden}.step-block{flex-direction:column;gap:12px;padding:18px;display:flex}.step-block+.step-block{border-top:1px solid var(--line)}.step-heading{align-items:center;gap:12px;display:flex}.step-index{color:#fff;background:var(--ink);border-radius:8px;flex:none;place-items:center;width:32px;height:32px;font-size:14px;font-weight:800;display:inline-grid}.step-heading h2,.section-title h2{color:var(--ink);letter-spacing:0;font-size:17px;line-height:1.2}.step-heading p{color:var(--muted);margin:4px 0 0;font-size:13px}.upload-slot{min-height:70px;color:var(--ink);cursor:pointer;background:#f8fafb;border:1px dashed #aab8c4;border-radius:8px;grid-template-columns:38px minmax(0,1fr) 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p{margin:0}.prompt-box p{white-space:pre-line}.prompt-result-stack{gap:12px;display:grid}.prompt-result-block{background:#fbfdfd;border:1px solid #d6e1e5;border-radius:8px;overflow:hidden}.prompt-result-heading{background:#eef7f5;border-bottom:1px solid #d6e1e5;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.prompt-result-heading strong{color:var(--ink);font-size:14px}.prompt-result-block p{color:#2a3646;white-space:pre-line;max-height:360px;margin:0;padding:13px 14px;font-size:14px;line-height:1.68;overflow:auto}.transcript-timeline{background:#fbfdfd;border:1px solid #d6e1e5;border-radius:8px;margin-top:12px;overflow:hidden}.transcript-table{max-height:420px;display:grid;overflow:auto}.transcript-row{color:#2a3646;border-top:1px solid #e4edf0;grid-template-columns:108px 64px minmax(0,1fr) 150px;align-items:start;gap:10px;padding:11px 12px;font-size:13px;line-height:1.5;display:grid}.transcript-row:first-child{border-top:0}.transcript-time{color:var(--teal);white-space:nowrap;font-weight:760}.transcript-row strong{color:var(--ink)}.transcript-row p{margin:0}.transcript-row small{color:var(--muted);line-height:1.45}.transcript-empty{color:var(--muted);margin:0;padding:14px;font-size:14px}.audio-panel.has-result,.prompt-panel.has-result,.storyboard-panel.has-result{border-color:#2f7d7c99;box-shadow:0 18px 48px #24344714,0 0 0 4px #2f7d7c1a}.result-stamp{color:#236d56;background:#eaf7f1;border:1px solid #20815f57;border-radius:999px;align-items:center;gap:8px;min-height:32px;margin-bottom:12px;padding:0 11px;font-size:13px;font-weight:760;display:inline-flex}.evidence-summary{color:#526477;background:#f7fbfb;border:1px solid #d6e1e5;border-radius:8px;align-items:flex-start;gap:8px;margin:-2px 0 12px;padding:10px 12px;font-size:13px;line-height:1.45;display:flex}.evidence-summary svg{color:var(--teal);flex:none;margin-top:1px}.empty-result{min-height:192px;color:var(--muted);text-align:center;background:#f8fafb;border:1px dashed #b8c6ce;border-radius:8px;place-items:center;gap:8px;padding:24px;display:grid}.empty-result strong{color:var(--ink);font-size:15px}.empty-result p{max-width:520px;margin:0;font-size:14px}.error-box{color:#9a321f;background:#fff1ed;border:1px solid #d5573b6b;border-radius:8px;align-items:flex-start;gap:9px;margin-bottom:12px;padding:12px 14px;display:flex}.error-box p{margin:0;font-size:14px}.lens-list{gap:9px;margin-top:14px;display:grid}.lens-row{color:var(--muted);grid-template-columns:10px minmax(0,1fr);align-items:start;gap:10px;font-size:14px;display:grid}.lens-row strong{color:var(--ink)}.lens-row span{background:var(--blue);border-radius:999px;width:8px;height:8px;margin-top:7px}.icon-button{width:32px;height:32px;color:var(--ink);background:#edf2f5;flex:none}.icon-button:hover{background:#dfe9ee}.system-prompt-details{background:#f8fafb;border:1px solid #d6e1e5;border-radius:8px}.system-prompt-details summary{min-height:44px;color:var(--ink);cursor:pointer;align-items:center;padding:0 14px;font-size:14px;font-weight:760;display:flex}.system-prompt-details[open] summary{border-bottom:1px solid #d6e1e5}.system-prompt-details pre{color:#2a3646;white-space:pre-wrap;max-height:360px;margin:0;padding:14px;font-family:inherit;font-size:13px;line-height:1.65;overflow:auto}.storyboard-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.storyboard-export{background:#fff;border:1px solid #111;border-radius:0;overflow:hidden}.storyboard-export img{width:100%;height:auto;display:block}.storyboard-export.is-building{min-height:260px;color:var(--muted);place-items:center;gap:10px;font-weight:720;display:grid}.download-actions{flex-wrap:wrap;gap:10px;margin:12px 0 2px;display:flex}.download-link{color:#172433;cursor:pointer;background:#fff;border:1px solid #cbd6dc;border-radius:7px;justify-content:center;align-items:center;gap:7px;min-height:36px;padding:0 13px;font-size:13px;font-weight:760;text-decoration:none;display:inline-flex}.download-link:hover{background:#f4f8f9;border-color:#8aa5b0}.download-link.is-primary{border-color:var(--ink);color:#fff;background:var(--ink)}.download-link.is-primary:hover{background:#26384a}.story-frame{background:#fbfaf5;border:1px solid #d2cbc0;border-radius:8px;grid-template-rows:minmax(120px,1fr) auto;min-height:230px;display:grid;position:relative;overflow:hidden}.sketch-scene{background:linear-gradient(160deg,#ffffffe0,#efe9dcb3),repeating-linear-gradient(100deg,#212a3214 0 1px,#0000 1px 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var(--frame-accent);opacity:.72;border-radius:12% 18% 14% 10%;width:22%;height:32%;position:absolute;bottom:25%;right:18%;transform:rotate(7deg)}.sketch-product:after{content:"";border-top:2px solid var(--frame-accent);border-bottom:2px solid var(--frame-accent);position:absolute;inset:18%}.sketch-shadow{border:1px solid #1e262d33;border-radius:50%;width:56%;height:11%;position:absolute;bottom:13%;right:10%;transform:rotate(-2deg)}.frame-meta{border-top:1px solid #ded7ca;grid-template-columns:42px minmax(0,1fr);align-items:center;gap:10px;min-height:72px;padding:10px 11px;display:grid}.frame-meta strong{color:#fff;background:var(--frame-accent);border-radius:7px;place-items:center;width:36px;height:36px;font-size:13px;display:grid}.story-frame h3{color:var(--ink);font-size:14px}.story-frame p{color:var(--muted);margin:3px 0 0;font-size:12px;line-height:1.35}.replacement-content{background:#f7fbfb;border:1px solid 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22px}.control-panel{display:flex}.step-block+.step-block{border-top:1px solid var(--line);border-left:0}.storyboard-grid{grid-template-columns:1fr}}