:root{--bg: #0f172a;--card: #111827;--text: #e5e7eb;--muted: #9ca3af;--brand: #22d3ee;--ok: #22c55e;--warn: #f59e0b;--danger: #ef4444}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:radial-gradient(1200px 800px at top left,#0b1020,#000 70%) fixed;color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Noto Sans TC,Helvetica Neue,Arial}.container{max-width:980px;margin:24px auto;padding:16px}.card{background:linear-gradient(180deg,#ffffff0a,#ffffff05);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:20px;box-shadow:0 20px 60px #00000059;backdrop-filter:blur(8px)}h1,h2{margin:0 0 12px}label{display:block;margin:10px 0 6px;color:var(--muted)}input,button,textarea,select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:#0b1220;color:var(--text)}button{cursor:pointer;margin-top:12px;border:none;background:linear-gradient(135deg,var(--brand),#3b82f6);font-weight:600}.btn-row{display:flex;gap:10px;flex-wrap:wrap}.btn-secondary{background:#1f2937}.btn-danger{background:linear-gradient(135deg,#ef4444,#b91c1c)}.caption{color:var(--muted);font-size:13px}.center{text-align:center}.hr{border-top:1px dashed rgba(255,255,255,.15);margin:16px 0}.link{color:#7dd3fc;text-decoration:underline;cursor:pointer}.notice{color:var(--warn)}.ok{color:var(--ok)}.grid{display:grid;gap:12px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.table{width:100%;border-collapse:collapse}.table th,.table td{border-bottom:1px solid rgba(255,255,255,.12);padding:8px 6px;text-align:left}.slot{height:120px;overflow:hidden;border-radius:12px;background:#0a0f1a;border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;position:relative}.slot-reel{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;animation-fill-mode:forwards}.slot-item{height:120px;display:flex;align-items:center;justify-content:center;font-size:48px}