:root{--bg: #f3f6fb;--surface: rgba(255, 255, 255, .8);--surface-strong: #ffffff;--line: #d8e1ef;--text: #17324d;--muted: #6b7c93;--accent: #1f8efa;--accent-soft: #dff0ff;--success: #0f9d77;--shadow: 0 20px 45px rgba(21, 48, 86, .12);--card-border: rgba(255, 255, 255, .6);--bg-wash-a: rgba(31, 142, 250, .18);--bg-wash-b: rgba(15, 157, 119, .16)}:root[data-theme=dark]{--bg: #0c1724;--surface: rgba(12, 23, 36, .78);--surface-strong: #13263a;--line: #29445f;--text: #ecf4ff;--muted: #9ab0c8;--accent: #5db1ff;--accent-soft: #17324d;--success: #42c7a0;--shadow: 0 24px 50px rgba(0, 0, 0, .35);--card-border: rgba(93, 177, 255, .14);--bg-wash-a: rgba(93, 177, 255, .12);--bg-wash-b: rgba(66, 199, 160, .12)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Outfit,sans-serif;background:radial-gradient(circle at top left,var(--bg-wash-a),transparent 30%),radial-gradient(circle at right bottom,var(--bg-wash-b),transparent 25%),var(--bg);color:var(--text);transition:background .25s ease,color .25s ease}body{min-height:100vh}button,input,textarea{font:inherit}.card{background:var(--surface);border:1px solid var(--card-border);backdrop-filter:blur(12px);box-shadow:var(--shadow);border-radius:24px}