:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #273449;--text: #e2e8f0;--muted: #94a3b8;--primary: #2563eb;--primary-hover: #1d4ed8;--border: #334155;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text)}.brand{font-weight:700;letter-spacing:.02em;color:var(--primary)}.muted{color:var(--muted)}.centered{min-height:100vh;display:grid;place-items:center;padding:1rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:2.5rem}.login-card{width:100%;max-width:420px;text-align:center}.login-card h1{margin:.5rem 0 .25rem;font-size:1.6rem}.login-card p{margin:0 0 1.5rem}.btn-primary{width:100%;padding:.85rem 1rem;font-size:1rem;font-weight:600;color:#fff;background:var(--primary);border:none;border-radius:10px;cursor:pointer;transition:background .15s ease}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-primary:disabled{opacity:.6;cursor:default}.spinner{width:36px;height:36px;margin:.5rem auto 1rem;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.topbar{display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;border-bottom:1px solid var(--border)}.user-box{display:flex;align-items:center;gap:1rem}.btn-ghost{padding:.5rem .9rem;color:var(--text);background:transparent;border:1px solid var(--border);border-radius:8px;cursor:pointer}.btn-ghost:hover{background:var(--surface-2)}.content{max-width:960px;margin:0 auto;padding:2.5rem 2rem}.content h1{margin:0 0 .25rem}.apps-grid{margin-top:1.5rem;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.25rem}.app-tile{display:block;text-decoration:none;color:inherit;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.5rem;transition:transform .12s ease,border-color .12s ease}.app-tile:hover{transform:translateY(-2px);border-color:var(--primary)}.app-icon{font-size:2rem}.app-tile h3{margin:.75rem 0 .35rem}.app-tile p{margin:0;font-size:.9rem}