:root{--bg: #f6f7fb;--card: #ffffff;--text: #111827;--muted: #6b7280;--border: #e5e7eb;--focus: rgba(99,102,241,.18)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);direction:rtl;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}a{color:inherit;text-decoration:none}input,button{font:inherit}input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;outline:none;background:#fff}input:focus{border-color:#6366f1;box-shadow:0 0 0 4px var(--focus)}button{width:100%;padding:10px 12px;border:0;border-radius:10px;background:#111827;color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}