:root{--ink:#13213b;--muted:#68758b;--line:#dce5ed;--surface:#fff;--soft:#f2f7f9;--navy:#101d38;--cyan:#00a9b7;--cyan2:#087e99;--danger:#bd3c49;--shadow:0 18px 50px rgba(19,41,65,.12)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,system-ui,sans-serif;color:var(--ink);background:linear-gradient(135deg,#eef7f7,#f7f8fb 55%,#edf4f8)}button,input,select,textarea{font:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);border-radius:10px;padding:10px 14px;background:#fff;color:var(--ink);font-weight:650;cursor:pointer}button:hover:not(:disabled){border-color:var(--cyan);color:var(--cyan2)}button:disabled{opacity:.45;cursor:not-allowed}.primary{border-color:transparent;background:linear-gradient(120deg,var(--cyan2),var(--cyan));color:#fff}.primary:hover:not(:disabled){color:#fff;filter:brightness(1.04)}
.topbar{height:64px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(110deg,#10203c,#087e99);color:#fff;box-shadow:0 3px 15px rgba(10,35,55,.25)}.brand{display:flex;align-items:center;gap:9px;font-size:21px;font-weight:750}.brand-mark{display:grid;place-items:center;width:40px;height:30px;border:1px solid rgba(255,255,255,.45);border-radius:8px;font-size:12px;letter-spacing:.08em}.top-actions{display:flex;align-items:center;gap:14px}.api-state{display:flex;gap:8px;align-items:center;font-size:13px;color:#d8f6f7}.dot{width:9px;height:9px;border-radius:50%;background:#e9b949;box-shadow:0 0 0 4px rgba(233,185,73,.15)}.api-state.ok .dot{background:#5ee0a1}.api-state.err .dot{background:#ff7c88}.logout-btn{padding:6px 10px;border-color:rgba(255,255,255,.35);background:transparent;color:#fff;font-size:12px}
.shell{max-width:1740px;margin:0 auto;padding:24px;display:grid;grid-template-columns:minmax(470px,620px) minmax(600px,1fr);gap:22px}.workspace,.preview-panel{background:rgba(255,255,255,.9);border:1px solid rgba(213,225,234,.9);border-radius:18px;box-shadow:var(--shadow)}.workspace{padding:26px}.preview-panel{padding:20px;min-width:0}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:22px}.intro>p{max-width:245px;margin:0;color:var(--muted);font-size:13px;line-height:1.5}.kicker{margin:0 0 7px;color:var(--cyan2);font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:800}.intro h1{font-size:28px;line-height:1.1;margin:0}.form-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:14px}label{display:flex;flex-direction:column;gap:7px;margin-bottom:14px;font-size:12px;font-weight:700;color:#34435b}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;background:#fff;color:var(--ink);outline:none}textarea{resize:vertical;line-height:1.45}input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,169,183,.12)}.actions{display:flex;gap:9px;flex-wrap:wrap}.primary-actions{margin:5px 0 18px}.compact button{padding:7px 10px;font-size:12px}.progress-card,.checkpoint,.export-card{border:1px solid var(--line);background:var(--soft);border-radius:13px;padding:15px}.progress-head,.checkpoint,.preview-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.progress-head{font-size:13px}.progress-track{height:7px;margin:11px 0;background:#dce6ea;border-radius:99px;overflow:hidden}.progress-track span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--cyan2),var(--cyan));transition:width .25s}.progress-card p,.checkpoint p,.export-card p{margin:7px 0 0;color:var(--muted);font-size:12px;line-height:1.45}.checkpoint{margin-top:13px}.log-wrap{margin-top:14px;border:1px solid var(--line);border-radius:13px;overflow:hidden}.log-title{padding:10px 13px;border-bottom:1px solid var(--line);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}pre{white-space:pre-wrap;overflow:auto}.log-wrap pre{height:168px;margin:0;padding:12px;background:#101a2a;color:#c9d8e6;font:11px/1.5 ui-monospace,SFMono-Regular,monospace}
.preview-head{margin:1px 2px 15px}.preview-head strong{font-size:14px}.preview-stage{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:12px;background:#cbd7dd;box-shadow:inset 0 0 0 1px rgba(10,32,48,.12)}.preview-stage iframe{position:absolute;left:0;top:0;width:1280px;height:720px;border:0;transform-origin:top left}.empty{display:grid;place-items:center;height:100%;color:#617286;font-size:13px}.export-card{margin-top:16px;background:#fff}.export-actions{margin-top:13px}.export-card pre{min-height:42px;max-height:120px;margin:12px 0 0;padding:10px;border-radius:8px;background:#f3f6f8;color:#5b687b;font:11px/1.45 ui-monospace,SFMono-Regular,monospace}.toasts{position:fixed;right:20px;bottom:20px;display:grid;gap:9px;z-index:20}.toast{max-width:390px;padding:12px 15px;border-radius:10px;background:#10213a;color:#fff;box-shadow:var(--shadow);font-size:13px}.toast.error{background:var(--danger)}.toast.success{background:#13765f}
.preview-head{margin:1px 2px 15px}.preview-head strong{font-size:14px}.preview-stage{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:12px;background:#cbd7dd;box-shadow:inset 0 0 0 1px rgba(10,32,48,.12)}.preview-stage iframe{position:absolute;left:0;top:0;width:1280px;height:720px;border:0;transform-origin:top left}.empty{display:grid;place-items:center;height:100%;color:#617286;font-size:13px}.export-card{margin-top:16px;background:#fff}.export-actions{margin-top:13px}.export-card pre{min-height:42px;max-height:120px;margin:12px 0 0;padding:10px;border-radius:8px;background:#f3f6f8;color:#5b687b;font:11px/1.45 ui-monospace,SFMono-Regular,monospace}.toasts{position:fixed;right:20px;bottom:20px;display:grid;gap:9px;z-index:20}.toast{max-width:390px;padding:12px 15px;border-radius:10px;background:#10213a;color:#fff;box-shadow:var(--shadow);font-size:13px}.toast.error{background:var(--danger)}.toast.success{background:#13765f}.login-screen{position:fixed;inset:0;display:grid;place-items:center;padding:22px;background:radial-gradient(circle at 15% 10%,#0f8b9b 0,transparent 36%),linear-gradient(135deg,#0d1830,#142d49);z-index:50}.login-card{width:min(100%,390px);padding:32px;border:1px solid rgba(255,255,255,.18);border-radius:16px;background:rgba(255,255,255,.97);box-shadow:0 25px 80px rgba(0,0,0,.35)}.login-card .login-brand{color:var(--navy);margin-bottom:20px}.login-card .brand-mark{border-color:#9eb2bf}.login-card>p{margin:0 0 22px;color:var(--muted);font-size:13px;line-height:1.5}.login-card button{width:100%;margin-top:6px}.login-error{min-height:18px!important;margin:0 0 8px!important;color:var(--danger)!important;font-weight:600}.login-screen[hidden],#appShell[hidden]{display:none!important}
@media(max-width:1100px){.shell{grid-template-columns:1fr}.preview-panel{min-height:600px}}@media(max-width:650px){.shell{padding:10px}.workspace,.preview-panel{padding:16px;border-radius:12px}.form-grid{grid-template-columns:1fr}.intro{display:block}.intro>p{max-width:none;margin-top:12px}.topbar{padding:0 16px}.api-state span:last-child{display:none}.checkpoint{align-items:flex-start;flex-direction:column}}