:root{--color-ink: #0f172a;--color-muted: #64748b;--color-accent: #0f766e;--color-accent-dark: #0b5e57;--color-bg: #f1f5f9;--color-card: #ffffff;--color-line: #e2e8f0;--color-success: #059669;--color-success-bg: #dcfce7;--color-success-text: #166534;--color-warning: #f97316;--color-warning-bg: #ffedd5;--color-warning-text: #9a3412;--color-danger: #dc2626;--color-danger-bg: #fef2f2;--color-danger-text: #991b1b;--color-info: #0284c7;--color-info-bg: #e0f2fe;--color-info-text: #075985;--font-family: "Manrope", "Helvetica Neue", Arial, sans-serif;--font-size-xs: 11px;--font-size-sm: 12px;--font-size-base: 15px;--font-size-lg: 14px;--font-size-xl: 16px;--font-size-2xl: 18px;--spacing-xs: 4px;--spacing-sm: 6px;--spacing-base: 8px;--spacing-md: 12px;--spacing-lg: 16px;--spacing-xl: 24px;--touch-min: 44px;--topbar-height: 56px;--bottomtab-height: 64px;--drawer-width: 280px;--drawer-overlay-bg: rgba(15, 23, 42, .52);--shadow-drawer: 0 8px 48px rgba(0, 0, 0, .22)}*{box-sizing:border-box}body{margin:0;font-family:Manrope,Helvetica Neue,Arial,sans-serif;background:radial-gradient(circle at top,#1e293b,#0f172a);color:#e2e8f0;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.card{background:#111827;border:1px solid #1f2937;border-radius:20px;padding:32px;width:100%;max-width:420px;box-shadow:0 20px 40px #0f172a59}h1{margin:0 0 8px;font-size:24px}p{margin:0 0 20px;color:#94a3b8}label{display:block;font-size:12px;color:#cbd5f5;margin-bottom:6px}input{width:100%;border:1px solid #334155;border-radius:12px;padding:10px 12px;margin-bottom:14px;background:#0f172a;color:#e2e8f0;font-family:inherit;font-size:14px}button{width:100%;border:none;border-radius:12px;padding:12px;background:var(--color-accent);color:#fff;font-weight:600;font-family:inherit;font-size:14px;cursor:pointer}.install-btn{display:none;margin-top:12px;background:#0b1324;border:1px solid #334155;color:#cbd5e1}.install-btn.visible{display:block}.error{background:#450a0a;border:1px solid #7f1d1d;color:#fecaca;padding:10px 12px;border-radius:12px;font-size:13px;margin-bottom:12px}