:root{--bg:#f8fafc;--text:#0f172a;--surface:#fff;--muted:#475569;--border:#e2e8f0;--accent:#2563eb;--shadow:0 1px 3px #0f172a14}:root[data-theme=dark]{--bg:#0b1224;--text:#e2e8f0;--surface:#111827;--muted:#94a3b8;--border:#1f2937;--accent:#60a5fa;--shadow:0 1px 4px #00000059}:root[data-theme=glass]{--bg:linear-gradient(135deg,#0f172a,#1e293b 50%,#334155);--text:#f1f5f9;--surface:#ffffff1a;--muted:#cbd5e1;--border:#fff3;--accent:#22d3ee;--shadow:0 8px 32px #0000005e}*{box-sizing:border-box}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f8fafc;background:var(--bg);color:#0f172a;color:var(--text);font-family:Noto Kufi Arabic,Arial,sans-serif;margin:0;transition:background-color .2s ease,color .2s ease}[data-theme=glass] body{background:linear-gradient(135deg,#0f172a,#1e293b 50%,#334155);background-attachment:fixed}a{color:#2563eb;color:var(--accent)}.card-surface{background:#fff;background:var(--surface);border:1px solid #e2e8f0;border:1px solid var(--border);box-shadow:0 1px 3px #0f172a14;box-shadow:var(--shadow)}[data-theme=glass] .card-surface{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3}::-webkit-scrollbar{height:6px;width:6px}::-webkit-scrollbar-track{background:#0000}::-webkit-scrollbar-thumb{background:#9ca3af80;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#9ca3afcc}