.app-shell{padding:18px 22px;display:flex;flex-direction:column;gap:16px}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border:1px solid rgba(255,255,255,.06);background:#ffffff08;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:14px}.brand{display:flex;align-items:center;gap:12px}.brand-title{font-weight:800;letter-spacing:.04em;font-size:15px}.brand-sub{color:#94a3b8;font-size:13px}.viewport-toggle{display:flex;gap:8px}.top-actions{display:flex;align-items:center;gap:8px}.layout{display:grid;grid-template-columns:1fr 420px;gap:14px;min-height:calc(100vh - 120px)}.history-panel,.log-panel,.chat-panel,.preview-panel{border:1px solid rgba(255,255,255,.06);background:#ffffff08;border-radius:14px;padding:12px}.history-panel{display:flex;flex-direction:column;gap:10px}.history-list{overflow-y:auto;padding-right:4px;display:flex;flex-direction:column;gap:8px}.history-item{padding:10px;border:1px solid rgba(255,255,255,.06);border-radius:10px;background:#ffffff05}.history-item.current{border-color:#7c3aed99;box-shadow:0 10px 30px #7c3aed33}.history-top{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#cbd5e1;margin-bottom:4px}.history-summary{color:#e2e8f0}.preview-panel{display:flex;flex-direction:column;gap:10px;width:100%}.preview-header{display:flex;justify-content:space-between;font-size:14px;color:#cbd5e1}.preview-frame{flex:1;margin:0 auto;background:#0b1021;border-radius:18px;border:1px solid rgba(255,255,255,.06);min-height:520px;overflow:hidden;box-shadow:0 30px 80px #00000059;max-width:100%}.preview-empty{height:100%;display:grid;place-items:center;color:#94a3b8;font-size:16px}.log-panel,.chat-panel{display:flex;flex-direction:column;gap:10px}.log-list{background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:10px;height:120px;overflow-y:auto;color:#cbd5e1;font-size:14px}.log-entry+.log-entry{margin-top:6px}.chat-log{background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:10px;min-height:220px;max-height:320px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}.chat-bubble{border-radius:10px;padding:8px 10px;border:1px solid rgba(255,255,255,.06)}.chat-bubble.user{background:#22d3ee14;align-self:flex-end}.chat-bubble.ai{background:#7c3aed14}.chat-meta{font-size:12px;color:#cbd5e1;margin-bottom:4px}.chat-text{color:#e2e8f0;font-size:14px}.chat-input-row{display:flex;flex-direction:column;gap:8px}.chat-input-row input,.chat-input-row textarea{border-radius:10px;padding:12px;border:1px solid rgba(255,255,255,.08);background:#ffffff08;color:inherit;font-family:inherit;font-size:inherit;resize:vertical}.chat-actions{display:flex;justify-content:flex-end;gap:8px}.right-column{display:flex;flex-direction:column;gap:12px}.side-tabs{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.side-tabs button{padding:10px;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:#ffffff05;color:#e2e8f0;cursor:pointer;transition:border-color .2s ease,background .2s ease,color .2s ease}.side-tabs button.active{border-color:#7c3aed99;background:#7c3aed1f;color:#f8fafc}.side-tab-panels{min-height:220px}.modal-backdrop{position:fixed;inset:0;background:#050816d1;display:grid;place-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10;padding:16px}.modal{width:min(520px,90vw);background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:20px;box-shadow:0 30px 80px #00000080}.modal h2{margin:0 0 4px}.modal-form{display:flex;flex-direction:column;gap:10px}.modal-form input{border-radius:10px;padding:12px;border:1px solid rgba(255,255,255,.08);background:#ffffff08;color:inherit}.auth-page{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(460px,96vw);background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:10px;box-shadow:0 30px 80px #00000073}.auth-card h1{margin:0}.auth-form{display:flex;flex-direction:column;gap:10px}.auth-form label{display:flex;flex-direction:column;gap:6px;font-weight:600}.auth-form input{border-radius:10px;padding:12px;border:1px solid rgba(255,255,255,.08);background:#ffffff08;color:inherit}.error{color:#fecdd3;font-weight:600}@media(max-width:1100px){.layout{grid-template-columns:1fr}.right-column{order:3}.history-panel{order:1}.preview-panel{order:2}}.section-panel{display:flex;flex-direction:column;height:100%;overflow:hidden}.section-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:4px;padding:8px}.section-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid rgba(255,255,255,.08);border-radius:8px;background:#ffffff05;cursor:pointer;transition:all .15s ease;text-align:left;color:inherit}.section-item:hover{background:#ffffff0f;border-color:#ffffff26}.section-item.selected{background:#3b82f626;border-color:#3b82f680}.section-icon{font-size:1.2em;flex-shrink:0}.section-info{flex:1;min-width:0}.section-label{font-weight:600;font-size:.9em}.section-heading{font-size:.8em;opacity:.6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.section-type{font-size:.75em;padding:2px 6px;background:#ffffff1a;border-radius:4px;opacity:.6}.section-empty{display:flex;align-items:center;justify-content:center;height:100%;opacity:.5;font-size:.9em;text-align:center;padding:20px}:root{font-family:Inter,Space Grotesk,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:#e2e8f0;background-color:#050816}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 20%,rgba(108,92,231,.18),transparent 32%),radial-gradient(circle at 90% 10%,rgba(45,212,191,.12),transparent 25%),#050816;color:#e2e8f0}#root{min-height:100vh}a{color:inherit;text-decoration:none}button,input{font-family:inherit}button{border-radius:10px;border:1px solid rgba(255,255,255,.08);padding:10px 14px;font-size:15px;background:#ffffff0a;color:inherit;cursor:pointer;transition:transform .12s ease,box-shadow .16s ease,border-color .12s ease}button:hover:not(:disabled){transform:translateY(-1px);border-color:#fff3}button:disabled{opacity:.5;cursor:not-allowed}.primary{background:linear-gradient(130deg,#7c3aed,#22d3ee);border:none;color:#0b1021;font-weight:700;box-shadow:0 10px 40px #7c3aed59}.ghost{background:#ffffff0a}.danger{border-color:#ff636366;color:#fecdd3}.chip{padding:8px 12px;border-radius:8px;border:1px solid rgba(255,255,255,.15);background:#ffffff0a;color:inherit}.chip.active{background:linear-gradient(120deg,#7c3aed33,#22d3ee33);border-color:#7c3aed99;color:#e2e8f0}.muted{color:#94a3b8;font-size:14px}.panel-heading{font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:#cbd5e1}.pill{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:700}.pill.ai{background:#7c3aed2e;color:#c4b5fd}.pill.user{background:#22d3ee29;color:#99f6e4}.brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(140deg,#22d3ee,#7c3aed);display:grid;place-items:center;font-weight:800;color:#0b1021;letter-spacing:.06em}.brand-mark.large{width:54px;height:54px;font-size:18px}