:root{--bg: #030712;--page-surface: #050b11;--card: #0c1528;--panel-card: #111b2e;--text: #f8fafc;--muted: #a0aec0;--border: rgba(255, 255, 255, .08);--accent: #7c3aed;--accent-soft: rgba(124, 58, 237, .15);--accent-strong: #2dd4bf;--danger: #fb7185;--shadow: 0 25px 55px rgba(3, 7, 18, .75)}[data-theme=light]{--bg: #f8fafc;--page-surface: #ffffff;--card: #ffffff;--panel-card: #f1f5f9;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--accent: #7c3aed;--accent-soft: rgba(124, 58, 237, .1);--accent-strong: #0d9488;--danger: #ef4444;--shadow: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Space Grotesk,Inter,system-ui,sans-serif;min-height:100vh}[data-theme=dark] body{background:radial-gradient(circle at top,#0f172a,#030712 35%,#02050d 80%)}.auth-container{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:40px 16px;background:radial-gradient(circle at top,#0f172a99,#030712e6 70%)}[data-theme=light] .auth-container{background:radial-gradient(circle at top,#f8fafc,#e2e8f0 80%)}.auth-container h1{margin:0 0 24px;font-size:2rem;letter-spacing:.02em}.auth-container .card{width:min(520px,100%);background:#060a12d9;border-radius:24px;border:1px solid rgba(255,255,255,.08);padding:32px;display:flex;flex-direction:column;gap:16px}[data-theme=light] .auth-container .card{background:#ffffffe6;border-color:#e2e8f0;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;color:#0f172a}a{color:var(--accent)}.page{width:min(1200px,100%);margin:0 auto;padding:32px 24px 48px;display:flex;flex-direction:column;gap:24px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-radius:16px;background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow)}.topbar h1{margin:0;font-size:1.5rem}.topbar button{background:var(--accent);border:none;color:#010413;font-weight:700;border-radius:999px;padding:10px 18px;cursor:pointer;transition:transform .2s ease}.topbar button:hover{transform:translateY(-1px)}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow)}.card h2{margin-top:0}.inline-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.auth-container form{display:flex;flex-direction:column;gap:18px}.auth-container label{font-size:.9rem;color:var(--muted);letter-spacing:.05em;text-transform:uppercase}.auth-container input{border-radius:16px;padding:14px 16px;background:#0a101ce6;border:1px solid rgba(255,255,255,.1)}.auth-container button{align-self:flex-end;width:100%;max-width:240px;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#030712;border-radius:999px;border:none;padding:14px 20px;font-weight:700;box-shadow:0 10px 30px #7c3aed80}input,button,textarea{font-family:inherit}input,textarea{border-radius:12px;border:1px solid var(--border);background:#090f1f;color:var(--text);padding:12px 14px;transition:border .2s ease}input:focus,textarea:focus{outline:none;border-color:var(--accent)}button{border-radius:12px;border:none;padding:12px 16px;background:var(--accent);color:#030712;font-weight:600;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}button:disabled{opacity:.5;cursor:not-allowed}button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 30px #7c3aed59}.error{color:var(--danger);margin-top:10px}.project-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.project-item{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-radius:12px;border:1px solid transparent;transition:border .2s ease,background .2s ease}.project-item:hover{border-color:var(--border);background:#7c3aed0d}.project-item strong{font-size:1rem}.muted{color:var(--muted);font-size:.9rem}.pill{background:#ffffff14;color:var(--muted);padding:6px 12px;border-radius:999px;font-size:.85rem}.visualization-panel{cursor:pointer;border:1px solid transparent;transition:border .2s ease,box-shadow .2s ease,transform .2s ease}.visualization-panel:focus-visible{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}.visualization-panel:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 15px 40px #03071280}.workspace-toolbar,.workspace-grid,.panel-grid{display:flex}.workspace-toolbar{gap:16px;align-items:center;justify-content:space-between;padding:16px 18px;border:1px solid var(--border);border-radius:16px;background:linear-gradient(135deg,#7c3aed26,#0ea5e90f)}.workspace-grid{flex-direction:column;gap:20px}.panel-grid{flex-wrap:wrap;gap:18px}.panel-card{flex:1 1 280px;background:var(--panel-card);border-radius:16px;padding:18px;border:1px solid transparent;box-shadow:0 15px 35px #020617a6;transition:transform .2s ease,border .2s ease}.panel-card:hover{transform:translateY(-4px);border-color:var(--border)}.focus-ring{outline:2px solid rgba(124,58,237,.7);outline-offset:2px}@media (max-width: 720px){.page{padding:24px 16px 40px}.topbar{flex-direction:column;gap:12px;align-items:flex-start}.inline-form{grid-template-columns:1fr}}