.smart-frame{display:flex;flex-direction:column;height:100%;background:var(--sf-bg, #0a0a0a);color:var(--sf-fg, #e0e0e0);font-family:var(--sf-font, "Inter", system-ui, sans-serif);transition:background .3s,color .3s}.sf-toolbar{display:flex;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--sf-border, #333);gap:12px}.sf-skins,.sf-layers{display:flex;gap:4px}.sf-btn{padding:4px 12px;border:1px solid var(--sf-border, #444);border-radius:6px;background:transparent;color:inherit;cursor:pointer;font-size:13px;text-transform:capitalize;transition:background .2s}.sf-btn.active{background:var(--sf-accent, #6366f1);border-color:var(--sf-accent, #6366f1);color:#fff}.sf-btn:disabled{opacity:.4;cursor:not-allowed}.smart-frame-content{flex:1;overflow:hidden}.skin-kosmos{--sf-bg: #0a0a0f;--sf-fg: #e4e4e7;--sf-border: #27272a;--sf-accent: #818cf8}.skin-matrix{--sf-bg: #000000;--sf-fg: #00ff41;--sf-border: #003300;--sf-accent: #00cc33;--sf-font: "Fira Code", monospace}.skin-retro{--sf-bg: #1a1000;--sf-fg: #ffb000;--sf-border: #553300;--sf-accent: #ff6600;--sf-font: "IBM Plex Mono", monospace}.layer-summary .timeline{font-size:15px;line-height:1.7}.layer-canvas .timeline{font-size:14px;opacity:.85}.landing{width:100%;height:100vh;overflow:hidden;position:relative}.landing-carousel{height:100vh;transition:transform .5s cubic-bezier(.25,.1,.25,1);will-change:transform}.landing-slide{height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 16px;box-sizing:border-box;overflow-y:auto}.landing-dots{position:fixed;right:20px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:12px;z-index:100}.dot{width:10px;height:10px;border-radius:50%;border:1.5px solid var(--sf-accent, #818cf8);background:transparent;cursor:pointer;padding:0;transition:background .3s,transform .2s}.dot:hover{transform:scale(1.3)}.dot.active{background:var(--sf-accent, #818cf8);transform:scale(1.2)}.cta-fixed{position:fixed;bottom:32px;left:50%;transform:translate(-50%);z-index:100;box-shadow:0 4px 20px #818cf866}.landing-hero{text-align:center;padding:48px 0 24px;max-width:600px}.hero-title{font-size:48px;font-weight:800;margin:0;letter-spacing:-.02em}.hero-subtitle{font-size:20px;margin:8px 0 0;opacity:.8}.hero-desc{font-size:16px;margin:16px 0 24px;opacity:.65;max-width:520px;margin-inline:auto}.cta-btn{padding:12px 32px;font-size:16px;font-weight:600;border:none;border-radius:10px;background:var(--sf-accent, #818cf8);color:#fff;cursor:pointer;transition:opacity .2s}.cta-btn:hover{opacity:.85}.landing-demo h2{text-align:center;font-size:22px;margin-bottom:16px}.demo-controls{display:flex;justify-content:center;gap:24px;margin-bottom:16px;flex-wrap:wrap}.demo-skins,.demo-layers{display:flex;gap:6px}.chip{padding:6px 14px;border:1px solid var(--sf-border, #444);border-radius:8px;background:transparent;color:inherit;cursor:pointer;font-size:13px;text-transform:capitalize;transition:background .2s}.chip.active{background:var(--sf-accent, #818cf8);border-color:var(--sf-accent, #818cf8);color:#fff}.demo-chat{border:1px solid var(--sf-border, #333);border-radius:12px;padding:20px;min-height:280px;transition:background .3s,color .3s}.chat-feed{display:flex;flex-direction:column;gap:10px}.msg{font-size:14px;line-height:1.5}.msg-sender{font-weight:700;opacity:.75}.summary-box{line-height:1.7}.summary-box h3{margin-top:0;font-size:18px}.summary-box p{margin:6px 0}.canvas-box{line-height:1.7}.canvas-hint{opacity:.7;font-style:italic;margin-bottom:16px}.canvas-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.sticky{padding:12px;border-radius:8px;background:var(--sf-accent, #818cf8);color:#fff;font-size:13px;font-weight:500;min-height:60px}.landing-footer{text-align:center;padding:24px 0 48px;border-top:1px solid var(--sf-border, #333)}.footer-stack{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:16px}.stack-badge{padding:4px 12px;border-radius:20px;background:var(--sf-border, #27272a);font-size:12px;font-weight:500}.footer-note{font-size:13px;opacity:.5;margin:0}.back-btn{padding:8px 16px;margin:12px 16px;border:1px solid var(--sf-border, #444);border-radius:8px;background:transparent;color:inherit;cursor:pointer;font-size:14px;transition:background .2s}.back-btn:hover{background:var(--sf-border, #333)}.login-screen{max-width:420px;margin:0 auto;padding:48px 16px}.login-screen h1{text-align:center;font-size:36px;margin-bottom:24px}.login-tabs{display:flex;gap:0;margin-bottom:24px;border:1px solid var(--sf-border, #444);border-radius:10px;overflow:hidden}.login-tab{flex:1;padding:10px 0;font-size:15px;font-weight:600;border:none;background:transparent;color:inherit;cursor:pointer;transition:background .2s}.login-tab.active{background:var(--sf-accent, #818cf8);color:#fff}.login-screen label{display:block;margin-bottom:14px;font-size:14px;font-weight:500}.login-screen input{display:block;width:100%;margin-top:4px;padding:10px 12px;border:1px solid var(--sf-border, #444);border-radius:8px;background:transparent;color:inherit;font-size:15px;box-sizing:border-box}.login-screen button[type=submit]{width:100%;padding:12px;margin-top:8px;font-size:16px;font-weight:600;border:none;border-radius:10px;background:var(--sf-accent, #818cf8);color:#fff;cursor:pointer;transition:opacity .2s}.login-screen button[type=submit]:hover{opacity:.85}.login-screen button[type=submit]:disabled{opacity:.5;cursor:not-allowed}.login-error{color:#ef4444;font-size:13px;margin:8px 0;word-break:break-word}.login-hint{text-align:center;font-size:13px;opacity:.7;margin:-8px 0 8px;padding:8px;border-radius:8px;background:var(--sf-border, #1e1e24)}.chat-screen{display:flex;flex-direction:column;height:100vh;overflow:hidden}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--sf-border, #333);font-weight:700;font-size:18px}.chat-header button{padding:6px 16px;border:1px solid var(--sf-border, #444);border-radius:8px;background:transparent;color:inherit;font-size:14px;cursor:pointer;transition:background .2s}.chat-header button:hover{background:var(--sf-border, #333)}.chat-body{display:flex;flex:1;overflow:hidden}.room-list{width:260px;border-right:1px solid var(--sf-border, #333);padding:12px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;flex-shrink:0}.room-list-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.room-list-header span{font-size:14px;font-weight:600;opacity:.6;text-transform:uppercase}.room-list-header button{padding:4px 10px;border:none;border-radius:6px;background:var(--sf-accent, #818cf8);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:opacity .2s}.room-list-header button:hover{opacity:.85}.room-item{padding:10px 12px;border:1px solid transparent;border-radius:8px;background:transparent;color:inherit;text-align:left;font-size:14px;cursor:pointer;transition:background .2s;word-break:break-word}.room-item:hover{background:var(--sf-border, #27272a)}.room-item.active{background:var(--sf-accent, #818cf8);color:#fff;border-color:var(--sf-accent, #818cf8)}.room-list p{text-align:center;opacity:.45;font-size:14px;padding:24px 0}.room-view{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.room-view>p{text-align:center;opacity:.45;font-size:15px;margin-top:80px}.timeline{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:8px}.message{font-size:14px;line-height:1.5;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.sender{font-weight:700;opacity:.75;margin-right:4px}.body{word-break:break-word}.composer{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--sf-border, #333)}.composer input{flex:1;padding:10px 14px;border:1px solid var(--sf-border, #444);border-radius:8px;background:transparent;color:inherit;font-size:15px;box-sizing:border-box}.composer button{padding:10px 20px;border:none;border-radius:8px;background:var(--sf-accent, #818cf8);color:#fff;font-weight:600;font-size:14px;cursor:pointer;transition:opacity .2s}.composer button:hover{opacity:.85}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--sf-border, #333)}.chat-brand{font-weight:700;font-size:18px}.chat-userbar{display:flex;align-items:center;gap:12px}.chat-userid{font-size:13px;opacity:.7;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-btn{padding:6px 14px;border:1px solid var(--sf-border, #444);border-radius:6px;background:transparent;color:inherit;font-size:13px;cursor:pointer;transition:opacity .2s}.logout-btn:hover{opacity:.7}.room-main{flex:1;display:flex;flex-direction:column;overflow:hidden}.room-error{margin:0;padding:8px 16px;background:#ef444426;color:#f87171;font-size:13px}.demo-steps{display:flex;flex-direction:column;gap:16px;max-width:480px;margin:0 auto}.step{display:flex;align-items:center;gap:16px;padding:16px;border:1px solid var(--sf-border, #333);border-radius:10px;font-size:15px}.step-num{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--sf-accent, #818cf8);color:#fff;font-weight:700;font-size:15px;flex-shrink:0}.success-screen{max-width:560px}.success-icon{text-align:center;font-size:56px;margin-bottom:8px}.success-screen h2{font-size:18px;margin:24px 0 12px}.account-card{border:1px solid var(--sf-border, #444);border-radius:10px;overflow:hidden;margin-bottom:8px}.account-row{display:flex;align-items:center;gap:8px;padding:12px 14px;cursor:pointer;transition:background .2s;border-bottom:1px solid var(--sf-border, #333)}.account-row:last-child{border-bottom:none}.account-row:hover{background:var(--sf-border, #27272a)}.account-label{font-size:13px;opacity:.6;min-width:90px;flex-shrink:0}.account-row code{font-size:14px;word-break:break-all;flex:1}.copy-hint{font-size:16px;flex-shrink:0}.download-links{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.download-btn{display:block;padding:12px 16px;border:1px solid var(--sf-border, #444);border-radius:8px;background:transparent;color:inherit;text-decoration:none;font-size:14px;text-align:center;transition:background .2s}.download-btn:hover{background:var(--sf-border, #27272a)}.instructions{padding-left:20px;line-height:1.8;font-size:14px}.instructions code{background:var(--sf-border, #1e1e24);padding:2px 6px;border-radius:4px;font-size:13px}.ai-features{margin-top:24px;padding:20px;border:1px solid var(--sf-border, #333);border-radius:12px;background:var(--sf-border, #131316)}.ai-features h2{margin-top:0}.features-list{list-style:none;padding:0;margin:0 0 20px;display:flex;flex-direction:column;gap:10px;font-size:14px;line-height:1.6}.comparison{overflow-x:auto}.comparison table{width:100%;border-collapse:collapse;font-size:13px}.comparison th,.comparison td{padding:8px 10px;border:1px solid var(--sf-border, #333);text-align:center}.comparison th{font-weight:600;background:var(--sf-border, #1e1e24)}.comparison td:first-child{text-align:left;font-weight:500}