:root{--bg:#f7f8f8;--surface:#ffffff;--surface-muted:#eef1f1;--line:#dfe5e5;--line-strong:#c8d2d2;--text:#111616;--text-muted:#697373;--accent:#00999a;--accent-strong:#008486;--accent-soft:rgba(0,153,154,0.14);--danger:#b42318;--warning:#a15c00;--shadow:0 18px 50px rgba(15,23,42,0.08)}*{box-sizing:border-box}body,html{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0}button,input,textarea{font:inherit}button{border:0}.editor-shell{min-height:100vh;display:grid;grid-template-rows:54px minmax(0,1fr) 98px 34px 126px;background:var(--bg)}.top-bar{height:54px;gap:16px;padding:0 20px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.94)}.brand-mark,.top-bar{display:flex;align-items:center}.brand-mark{gap:12px;min-width:192px}.icon-button{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:transparent;color:var(--text);cursor:pointer}.icon-button:disabled,.primary-button:disabled,.secondary-button:disabled{cursor:not-allowed;opacity:.45}.icon-button:hover:not(:disabled){background:var(--surface-muted)}.wordmark{font-weight:760;font-size:20px;white-space:nowrap}.project-title{min-width:0;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px;font-weight:650}.top-bar-spacer{flex:1 1}.mode-chip,.preset-chip,.status-pill{display:inline-flex;align-items:center;gap:8px;min-height:32px;border:1px solid var(--line);border-radius:8px;padding:0 12px;background:var(--surface);color:var(--text);font-size:14px;white-space:nowrap}.mode-chip:before{content:"";width:8px;height:8px;border-radius:999px;background:#33d6c9}.export-button,.primary-button{height:38px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:8px;padding:0 16px;background:var(--accent);color:#fff;font-weight:720;cursor:pointer;white-space:nowrap}.export-button:hover:not(:disabled),.primary-button:hover:not(:disabled){background:var(--accent-strong)}.secondary-button{height:38px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:8px;padding:0 14px;background:var(--surface);color:var(--text);font-weight:650;cursor:pointer;white-space:nowrap}.preview-stage{min-height:0;padding:20px 24px}.preview-stage,.video-frame{display:flex;align-items:center;justify-content:center}.video-frame{position:relative;width:min(76vw,1080px);height:min(58vh,600px);border-radius:8px;overflow:hidden;background:#171c1c;box-shadow:var(--shadow)}.video-frame video{width:100%;height:100%;object-fit:contain;background:#111}.upload-panel{width:min(740px,calc(100vw - 40px));min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;border:1px dashed var(--line-strong);border-radius:8px;background:var(--surface);box-shadow:var(--shadow);cursor:pointer}.upload-panel.dragging{border-color:var(--accent);background:#fbffff}.upload-icon{width:54px;height:54px;display:grid;place-items:center;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong)}.upload-title{margin:0;font-size:28px;line-height:1.1;font-weight:760}.upload-subtitle{margin:0;color:var(--text-muted);font-size:15px}.example-row{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.compare-toggle,.processing-overlay{position:absolute;z-index:3}.processing-overlay{inset:0;display:grid;place-items:center;background:rgba(17,22,22,.54);color:#fff;font-weight:720}.compare-toggle{top:12px;left:12px;display:inline-flex;border:1px solid rgba(255,255,255,.4);border-radius:8px;overflow:hidden;background:rgba(17,22,22,.54)}.compare-toggle button{height:32px;padding:0 12px;color:#fff;background:transparent;cursor:pointer}.compare-toggle button.active{background:var(--accent)}.timeline-area{border-top:1px solid var(--line);background:var(--surface);padding:14px 12px 12px}.timeline-shell{position:relative;height:72px;overflow:hidden;border:1px solid var(--line);border-radius:6px;background:var(--surface-muted)}.thumbnail-strip{position:absolute;inset:0;display:grid;grid-auto-flow:column;grid-auto-columns:1fr}.thumbnail-strip img{width:100%;height:100%;object-fit:cover;border-right:1px solid rgba(255,255,255,.84);filter:saturate(.92)}.timeline-selection{position:absolute;top:0;bottom:0;border:2px solid var(--accent);background:rgba(0,153,154,.18);pointer-events:none}.timeline-handle{position:absolute;top:0;bottom:0;width:24px;transform:translateX(-50%);display:grid;place-items:center;color:#fff;background:var(--accent);border-radius:8px;font-weight:800;z-index:2;pointer-events:auto;cursor:ew-resize}.timeline-playhead{position:absolute;top:0;bottom:0;width:2px;transform:translateX(-50%);background:var(--accent-strong);pointer-events:none;z-index:2}.timeline-range-input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize}.status-row{display:flex;align-items:center;gap:10px;padding:0 20px;border-top:1px solid var(--line);background:var(--surface);overflow-x:auto}.status-pill{min-height:28px;font-size:13px;color:var(--text-muted)}.status-pill.warning{color:var(--warning);border-color:rgba(161,92,0,.28);background:#fff8ea}.status-pill.danger{color:var(--danger);border-color:rgba(180,35,24,.28);background:#fff4f2}.prompt-panel{display:grid;grid-template-columns:136px minmax(0,1fr) 156px;grid-gap:14px;gap:14px;padding:12px 20px 16px;border-top:1px solid var(--line);background:var(--surface)}.reference-tile{min-width:0;height:96px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:#fbfcfc;overflow:hidden;cursor:pointer;color:var(--text-muted)}.reference-tile img{width:100%;height:100%;object-fit:cover}.reference-tile span{display:inline-flex;align-items:center;gap:8px}.prompt-stack{min-width:0;display:grid;grid-template-rows:38px 1fr;grid-gap:8px;gap:8px}.preset-row{display:flex;gap:8px;overflow-x:auto}.preset-chip{cursor:pointer}.preset-chip.active{border-color:var(--accent);background:var(--accent);color:#fff}.prompt-input-wrap{position:relative}.prompt-input{width:100%;height:100%;min-height:54px;resize:none;border:1px solid var(--line);border-radius:8px;padding:14px 74px 14px 14px;color:var(--text);outline:none}.prompt-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.prompt-count{position:absolute;right:14px;top:14px;color:var(--text-muted);font-size:12px}.action-stack{display:grid;grid-gap:8px;gap:8px;align-content:end}.error-banner{position:absolute;left:50%;top:70px;z-index:10;transform:translateX(-50%);max-width:calc(100vw - 40px);border:1px solid rgba(180,35,24,.3);border-radius:8px;padding:10px 14px;background:#fff4f2;color:var(--danger);box-shadow:var(--shadow)}.user-pill{max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border:1px solid var(--line);border-radius:8px;padding:7px 10px;background:var(--surface);color:var(--text-muted);font-size:13px;font-weight:650}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--bg)}.auth-panel{width:min(380px,100%);grid-gap:14px;gap:14px;border:1px solid var(--line);padding:24px;background:var(--surface);box-shadow:var(--shadow)}.auth-panel,.auth-panel-mark{display:grid;border-radius:8px}.auth-panel-mark{width:42px;height:42px;place-items:center;background:var(--accent-soft);color:var(--accent-strong)}.auth-title{margin:0;font-size:25px;line-height:1.1}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;grid-gap:6px;gap:6px;border-radius:8px;padding:4px;background:var(--surface-muted)}.auth-tabs button{min-height:34px;border-radius:6px;background:transparent;color:var(--text-muted);cursor:pointer;font-weight:700}.auth-tabs button.active{background:var(--surface);color:var(--text);box-shadow:0 1px 6px rgba(15,23,42,.08)}.auth-field{display:grid;grid-gap:6px;gap:6px;color:var(--text-muted);font-size:13px;font-weight:700}.auth-field input{min-height:40px;border:1px solid var(--line);border-radius:8px;padding:0 11px;color:var(--text);outline:none}.auth-field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.auth-error{border:1px solid rgba(180,35,24,.28);border-radius:8px;padding:9px 10px;background:#fff4f2;color:var(--danger);font-size:13px}.auth-submit{width:100%}.auth-loading{color:var(--text-muted);font-weight:700}@media (max-width:860px){.editor-shell{grid-template-rows:54px minmax(0,1fr) 88px 68px 260px}.top-bar{gap:10px;padding:0 12px}.brand-mark{min-width:auto}.wordmark{font-size:17px}.project-title,.user-pill{display:none}.video-frame{width:calc(100vw - 24px);height:min(52vh,460px)}.status-row{align-content:center;flex-wrap:wrap;padding:8px 12px}.prompt-panel{grid-template-columns:1fr;grid-template-rows:76px 118px 44px;gap:10px;padding:10px 12px}.reference-tile{height:76px}.action-stack{grid-template-columns:1fr 1fr}}.landing-page{min-height:100vh;background:#f7f8f8;color:var(--text)}.landing-theme-outfit{--landing-accent:#a83f60;--landing-accent-strong:#84324c;--landing-wash:#fff5f7}.landing-theme-object{--landing-accent:#008486;--landing-accent-strong:#006f70;--landing-wash:#effafa}.landing-theme-effect{--landing-accent:#7357b8;--landing-accent-strong:#5d4698;--landing-wash:#f6f3ff}.landing-nav{position:relative;z-index:10;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 32px;border-bottom:1px solid rgba(17,22,22,.1);background:rgba(255,255,255,.94)}.landing-brand{color:var(--text);font-size:19px;font-weight:780;text-decoration:none;white-space:nowrap}.landing-nav nav{display:flex;align-items:center;gap:8px;overflow-x:auto}.landing-nav nav a{min-height:34px;display:inline-flex;align-items:center;border-radius:8px;padding:0 12px;color:var(--text-muted);font-size:14px;font-weight:680;text-decoration:none;white-space:nowrap}.landing-nav nav a:hover,.landing-nav nav a[aria-current=page]{background:var(--landing-wash);color:var(--landing-accent-strong)}.landing-hero{position:relative;min-height:clamp(520px,70vh,660px);display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}.landing-hero-image{object-fit:cover;object-position:center top}.landing-hero-overlay{position:absolute;inset:0;z-index:1;background:rgba(247,248,248,.8)}.landing-hero-content{position:relative;z-index:2;width:min(760px,calc(100% - 40px));margin-left:clamp(20px,8vw,118px);padding:40px 0}.landing-eyebrow{margin:0 0 10px;color:var(--landing-accent-strong);font-size:13px;font-weight:780;text-transform:uppercase}.landing-beta h2,.landing-hero h1,.landing-section-heading h2,.landing-two-column h2{margin:0;color:var(--text);line-height:1}.landing-hero h1{max-width:690px;font-size:58px;font-weight:820}.landing-hero-lead{max-width:650px;margin:20px 0 0;color:#2e3a3a;font-size:19px;line-height:1.55}.landing-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.landing-primary-link,.landing-secondary-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:8px;padding:0 18px;font-size:15px;font-weight:760;text-decoration:none;white-space:nowrap}.landing-primary-link{background:var(--landing-accent);color:#fff}.landing-primary-link:hover{background:var(--landing-accent-strong)}.landing-secondary-link{border:1px solid rgba(17,22,22,.16);background:rgba(255,255,255,.86);color:var(--text)}.landing-keyword-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}.landing-keyword-row span,.landing-preset-row span{min-height:30px;display:inline-flex;align-items:center;border:1px solid rgba(17,22,22,.12);border-radius:8px;padding:0 10px;background:rgba(255,255,255,.86);color:#354141;font-size:13px;font-weight:650;white-space:nowrap}.landing-band{padding:72px 32px;border-bottom:1px solid var(--line);background:#fff}.landing-prompt-band,.landing-workflow-band{background:var(--landing-wash)}.landing-container{width:min(1120px,100%);margin:0 auto}.landing-section-heading{max-width:720px;margin-bottom:28px}.landing-beta h2,.landing-section-heading h2,.landing-two-column h2{font-size:36px;font-weight:790}.landing-workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:14px;gap:14px}.landing-prompt-card,.landing-workflow-step{border:1px solid rgba(17,22,22,.12);border-radius:8px;background:#fff}.landing-workflow-step{min-height:184px;padding:20px}.landing-step-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:8px;background:var(--landing-wash);color:var(--landing-accent-strong)}.landing-workflow-step h3{margin:18px 0 8px;font-size:18px}.landing-beta p,.landing-faq-list p,.landing-prompt-card p,.landing-workflow-step p{color:var(--text-muted);line-height:1.55}.landing-prompt-card p,.landing-workflow-step p{margin:0;font-size:15px}.landing-two-column{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);grid-gap:56px;gap:56px;align-items:start}.landing-proof-list{display:grid;grid-gap:12px;gap:12px}.landing-proof-item{display:grid;grid-template-columns:24px minmax(0,1fr);grid-gap:10px;gap:10px;align-items:start;color:#263232;font-size:16px;line-height:1.45}.landing-proof-item svg{margin-top:2px;color:var(--landing-accent-strong)}.landing-preset-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.landing-preset-row span{background:#fff;color:var(--landing-accent-strong)}.landing-prompt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:14px;gap:14px}.landing-prompt-card{min-height:150px;padding:18px}.landing-beta{min-height:210px;display:flex;align-items:center;justify-content:space-between;gap:32px}.landing-beta p{max-width:640px;margin:14px 0 0;font-size:16px}.landing-faq-band{background:#fbfcfc}.landing-faq-list{display:grid;grid-gap:10px;gap:10px}.landing-faq-list details{border:1px solid rgba(17,22,22,.12);border-radius:8px;background:#fff}.landing-faq-list summary{min-height:56px;display:flex;align-items:center;padding:0 18px;color:var(--text);font-weight:730;cursor:pointer}.landing-faq-list p{margin:0;padding:0 18px 18px;font-size:15px}@media (max-width:920px){.landing-nav{align-items:flex-start;flex-direction:column;gap:8px;padding:14px 18px}.landing-nav nav{width:100%}.landing-hero{min-height:520px}.landing-hero-content{width:min(660px,calc(100% - 32px));margin-left:16px}.landing-hero h1{font-size:40px}.landing-hero-lead{font-size:17px}.landing-band{padding:54px 18px}.landing-prompt-grid,.landing-workflow{grid-template-columns:1fr}.landing-beta,.landing-two-column{grid-template-columns:1fr;display:grid;grid-gap:24px;gap:24px}.landing-beta h2,.landing-section-heading h2,.landing-two-column h2{font-size:30px}}