:root{--font-main:'Inter', sans-serif;--font-arabic:'Noto Nastaliq Urdu', 'Vazirmatn', sans-serif;--font-devanagari:'Noto Sans Devanagari', sans-serif;--success:#10b981;--error:#ef4444;--warning:#f59e0b;--info:#3b82f6;--neutral:#64748b;--theme-primary:var(--accent);--theme-bg:var(--bg-color)}:root,:root[data-theme=minimal]{--bg-color:#fafaf9;--bg-image:none;--card-bg:#ffffff;--text-primary:#1c1917;--text-secondary:#78716c;--accent:#4f46e5;--accent-hover:#4338ca;--accent-soft:rgba(79, 70, 229, 0.08);--border-color:#e7e5e4;--input-bg:#ffffff;--radius:12px;--radius-lg:20px;--shadow-sm:0 1px 2px rgba(28, 25, 23, 0.05);--shadow:0 1px 3px rgba(28, 25, 23, 0.05), 0 10px 30px rgba(28, 25, 23, 0.06);--title-color:var(--text-primary);--title-gradient:none}:root:not([data-theme=classic]) header{position:sticky;top:0;z-index:10;margin:0-20px;padding:14px 20px;background:color-mix(in srgb,var(--theme-bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}@media (max-width:480px){:root:not([data-theme=classic]) header{margin:0-16px;padding:12px 16px}}:root[data-theme=classic]{--bg-color:#f8fafc;--bg-image:url('bg-pattern.png');--card-bg:#ffffff;--text-primary:#0f172a;--text-secondary:#475569;--accent:#8b5cf6;--accent-hover:#7c3aed;--accent-soft:rgba(139, 92, 246, 0.1);--border-color:rgba(0, 0, 0, 0.1);--input-bg:#ffffff;--radius:10px;--radius-lg:16px;--shadow-sm:0 2px 8px rgba(0, 0, 0, 0.05);--shadow:0 4px 20px rgba(0, 0, 0, 0.08);--title-color:transparent;--title-gradient:linear-gradient(to right, #c084fc, var(--theme-primary))}