:root {
  --bg: #0d0f1c;
  --bg2: #14172b;
  --panel: rgba(255, 255, 255, 0.05);
  --panel-border: rgba(255, 255, 255, 0.12);
  --gold: #ffc857;
  --gold2: #ff9f1c;
  --accent: #5b8cff;
  --text: #f2f4ff;
  --muted: #9aa1c0;
  --danger: #ff5d6c;
  --ok: #35d07f;
  --radius: 16px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans TC", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 700px at 50% -10%, #232a54 0%, transparent 55%),
    radial-gradient(900px 600px at 85% 110%, #2a1f45 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--gold); text-decoration: none; }

/* ===== 通用佈局 ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 24px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--panel-border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}
.topbar .brand { font-size: 18px; font-weight: 700; letter-spacing: 1px; }
.topbar .brand span { color: var(--gold); }
.topbar nav { display: flex; gap: 8px; }
.topbar nav a {
  color: var(--muted); padding: 8px 14px; border-radius: 999px;
  border: 1px solid transparent; transition: all .18s ease;
}
.topbar nav a:hover { color: var(--text); border-color: var(--panel-border); }
.topbar nav a.active { color: var(--gold); border-color: rgba(255,200,87,.4); background: rgba(255,200,87,.08); }

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(6px);
}
.card h2 { font-size: 16px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.card h2 .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); display: inline-block; }

/* ===== 按鈕 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: var(--radius-sm); border: 1px solid var(--panel-border);
  background: rgba(255,255,255,.06); color: var(--text); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all .16s ease; user-select: none; white-space: nowrap;
}
.btn:hover { background: rgba(255,255,255,.12); }
.btn:disabled { opacity: .35; cursor: not-allowed; }
.btn:disabled:hover { background: rgba(255,255,255,.06); }
.btn.primary { background: linear-gradient(135deg, var(--gold), var(--gold2)); color: #3a2500; border: none; }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); box-shadow: 0 6px 20px rgba(255,200,87,.35); }
.btn.danger { background: linear-gradient(135deg, #ff5d6c, #e63a5a); color: #fff; border: none; }
.btn.ghost { background: transparent; }
.btn.small { padding: 7px 12px; font-size: 13px; border-radius: 8px; }
.btn.big { padding: 16px 34px; font-size: 18px; border-radius: 14px; }

/* ===== 表單 ===== */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 7px; }
.input, select.input, textarea.input {
  width: 100%; padding: 11px 13px; border-radius: var(--radius-sm);
  border: 1px solid var(--panel-border); background: rgba(0,0,0,.25); color: var(--text);
  font-size: 14px; outline: none; transition: border-color .15s ease;
}
.input:focus { border-color: var(--gold); }
textarea.input { resize: vertical; min-height: 70px; }

.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > * { flex: 1 1 0; min-width: 140px; }

/* ===== 表格 ===== */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 12px 10px; text-align: left; border-bottom: 1px solid var(--panel-border); }
.table th { color: var(--muted); font-weight: 600; font-size: 12px; letter-spacing: .5px; }
.table tr:hover td { background: rgba(255,255,255,.03); }

.thumb { width: 56px; height: 56px; border-radius: 10px; object-fit: cover; background: rgba(255,255,255,.06); }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.available { background: rgba(53,208,127,.15); color: var(--ok); }
.badge.drawn { background: rgba(255,93,108,.15); color: var(--danger); }
.badge.idle { background: rgba(91,140,255,.15); color: var(--accent); }
.badge.showing { background: rgba(255,200,87,.15); color: var(--gold); }
.badge.drawing { background: rgba(255,159,28,.18); color: var(--gold2); }
.badge.result { background: rgba(53,208,127,.15); color: var(--ok); }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.mt { margin-top: 14px; }
.mb { margin-bottom: 14px; }
.flex { display: flex; }
.between { justify-content: space-between; }
.center { align-items: center; }
.gap { gap: 12px; }
.wrap { flex-wrap: wrap; }
.grow { flex: 1; }
.hidden { display: none !important; }

.status-text { font-size: 15px; padding: 12px 16px; border-radius: var(--radius-sm); background: rgba(0,0,0,.2); border: 1px solid var(--panel-border); }

/* ===== 彈窗 ===== */
.modal-mask {
  position: fixed; inset: 0; background: rgba(5,7,18,.72); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  animation: fadeIn .2s ease;
}
.modal {
  background: #171a30; border: 1px solid var(--panel-border); border-radius: var(--radius);
  width: 100%; max-width: 520px; padding: 26px; max-height: 88vh; overflow-y: auto;
  animation: pop .22s ease;
}
.modal h3 { font-size: 18px; margin-bottom: 20px; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { transform: scale(.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ===== Toast ===== */
#toast {
  position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
  background: #171a30; border: 1px solid var(--panel-border); color: var(--text);
  padding: 12px 22px; border-radius: 12px; z-index: 200; font-size: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,.4); opacity: 0; pointer-events: none;
  transition: opacity .25s ease, transform .25s ease; max-width: 90vw;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(4px); }
#toast.error { border-color: rgba(255,93,108,.5); color: #ffb3ba; }

/* ===== 加載遮罩 ===== */
.spin { width: 22px; height: 22px; border: 3px solid rgba(255,255,255,.2); border-top-color: var(--gold); border-radius: 50%; animation: spin 1s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.img-upload {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.img-preview {
  width: 84px; height: 84px; border-radius: 12px; object-fit: cover;
  background: rgba(255,255,255,.06); border: 1px solid var(--panel-border);
}