:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --text: #1c2333;
  --muted: #6b7489;
  --line: #e3e7ef;
  --primary: #2f6bff;
  --primary-dark: #1f54d6;
  --ok: #12925a;
  --warn: #b7791f;
  --bad: #d23b3b;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(20, 30, 60, .06), 0 4px 16px rgba(20, 30, 60, .05);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151d; --card: #1a202b; --text: #e6e9ef; --muted: #98a1b3; --line: #2a3140;
    --primary: #4d82ff; --primary-dark: #3b6ef0;
    --shadow: 0 1px 2px rgba(0,0,0,.3);
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--bad); min-height: 1.5em; margin: 8px 0 0; }
.mt { margin-top: 24px; }
code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12.5px; }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 16px 0 6px; }

button { font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid transparent; padding: 7px 14px; }
button:disabled { opacity: .55; cursor: not-allowed; }
.primary { background: var(--primary); color: #fff; }
.primary:hover:not(:disabled) { background: var(--primary-dark); }
.ghost { background: transparent; border-color: var(--line); color: var(--text); }
.ghost:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.danger { background: transparent; border-color: var(--line); color: var(--bad); }
.danger:hover:not(:disabled) { border-color: var(--bad); }
.wide { width: 100%; }
.small-btn { padding: 3px 10px; font-size: 12px; }
input, select { font: inherit; color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
input:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--primary) 35%, transparent); border-color: var(--primary); }
label { display: block; margin-bottom: 12px; color: var(--muted); font-size: 13px; }
label input { margin-top: 4px; }
.row { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; }
.row input { flex: 1; }
.row.end { justify-content: flex-end; }

/* Auth */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth-card { width: 100%; max-width: 380px; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; }
.logo { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--primary); color: #fff; font-size: 16px; }
.auth-card .brand { margin-bottom: 8px; }
.tabs { display: flex; gap: 4px; }
.tabs button { background: transparent; color: var(--muted); padding: 7px 12px; }
.tabs button.active { color: var(--primary); background: color-mix(in srgb, var(--primary) 10%, transparent); font-weight: 600; }
.auth-tabs { margin: 16px 0; }

/* Top bar */
.topbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.main-tabs { flex: 1; flex-wrap: wrap; }
.me { display: flex; align-items: center; gap: 10px; }
.balance { font-weight: 700; color: var(--ok); font-size: 15px; }
.pill { display: inline-block; min-width: 18px; padding: 0 6px; border-radius: 9px; background: var(--line); color: var(--text); font-size: 11px; text-align: center; }
.pill.on { background: var(--primary); color: #fff; }

.panel { max-width: 1180px; margin: 20px auto; padding: 0 16px; display: grid; gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } .topbar { gap: 8px; } }
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; min-width: 0; }
.card.narrow { max-width: 420px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.card-head h2 { margin: 0; }
.card-head select { width: auto; }
.empty { text-align: center; padding: 18px 0; }

/* Tables */
.table-wrap { overflow-x: auto; margin-top: 10px; max-height: 560px; overflow-y: auto; }
table.list { width: 100%; border-collapse: collapse; }
.list th, .list td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.list th { color: var(--muted); font-weight: 500; font-size: 12px; position: sticky; top: 0; background: var(--card); }
.list td.num, .list th.num { text-align: right; font-variant-numeric: tabular-nums; }
.list tr:hover td { background: color-mix(in srgb, var(--primary) 4%, transparent); }
.plus { color: var(--ok); }
.minus { color: var(--bad); }

/* Quote */
.quote { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 12px 0; }
.quote-line { display: flex; justify-content: space-between; padding: 4px 0; }
.quote-line span { color: var(--muted); }
.quote .primary { margin-top: 10px; }
.hint { border-top: 1px dashed var(--line); margin-top: 16px; }
.hint ol { padding-left: 18px; color: var(--muted); margin: 6px 0 0; }

/* Orders */
.orders { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }
.order { border: 1px solid var(--line); border-radius: 10px; padding: 14px; display: grid; gap: 8px; }
.order-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.order-platform { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.order-email { display: flex; align-items: center; gap: 8px; background: var(--bg); border-radius: 8px; padding: 8px 10px; }
.order-email code { flex: 1; overflow: hidden; text-overflow: ellipsis; font-size: 13.5px; }
.order-code { display: flex; align-items: center; justify-content: space-between; gap: 8px; border-radius: 8px; padding: 10px 12px; background: color-mix(in srgb, var(--ok) 10%, transparent); }
.order-code strong { font-size: 24px; letter-spacing: 3px; font-family: ui-monospace, Consolas, monospace; color: var(--ok); }
.order-wait { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.spinner { width: 14px; height: 14px; border: 2px solid var(--line); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.order-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.order-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 10px; background: var(--line); white-space: nowrap; }
.badge.waiting, .badge.allocation_pending { background: color-mix(in srgb, var(--primary) 15%, transparent); color: var(--primary); }
.badge.completed { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.badge.cancelled, .badge.timed_out, .badge.failed { background: color-mix(in srgb, var(--bad) 12%, transparent); color: var(--bad); }

.secret { border: 1px dashed var(--warn); border-radius: 8px; padding: 10px; margin: 10px 0; word-break: break-all; }
.docs p { margin: 6px 0; }

.toast { position: fixed; right: 20px; bottom: 20px; z-index: 20; background: var(--text); color: var(--card); padding: 10px 16px; border-radius: 8px; box-shadow: var(--shadow); max-width: 360px; }
.toast.bad { background: var(--bad); color: #fff; }

dialog { border: none; border-radius: var(--radius); padding: 20px; width: min(420px, 92vw); background: var(--card); color: var(--text); box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(10, 15, 30, .45); }
dialog label { display: flex; gap: 8px; align-items: center; color: var(--text); margin-bottom: 8px; }
dialog label input { width: auto; margin: 0; }

/* 租用邮箱 */
.rental-tiers { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.rental-tier { display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 96px; padding: 12px 16px; border: 1px solid var(--border, #d0d7de); border-radius: 10px; background: #fff; cursor: pointer; }
.rental-tier:hover { border-color: #2563eb; box-shadow: 0 2px 8px rgba(37,99,235,.15); }
.rental-tier .rt-label { font-weight: 600; }
.rental-tier .rt-price { color: #2563eb; font-weight: 700; }
.rentals { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.rental-card { border: 1px solid var(--border, #d0d7de); border-radius: 10px; padding: 12px 14px; }
.rental-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.rental-head strong { word-break: break-all; }
.rental-meta { margin: 6px 0 10px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rental-meta .countdown { font-variant-numeric: tabular-nums; font-weight: 600; color: #111; }
.badge.refundable { background: #ecfdf5; color: #059669; border: 1px solid #a7f3d0; border-radius: 6px; padding: 1px 6px; font-size: 12px; }
.rental-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.renew-select { padding: 6px 8px; border: 1px solid var(--border, #d0d7de); border-radius: 8px; }
.mini { padding: 2px 8px; font-size: 12px; border-radius: 6px; }
.mini.code { border: 1px solid #16a34a; color: #16a34a; background: #f0fdf4; cursor: pointer; }
.rental-mail { margin-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.rm-item { border: 1px solid #eef0f2; border-radius: 8px; padding: 10px; }
.rm-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 8px; }
.rm-frame { width: 100%; min-height: 200px; border: 1px solid #eef0f2; border-radius: 6px; background: #fff; }
.rm-text { white-space: pre-wrap; word-break: break-word; margin: 0; padding: 8px; background: #f8fafc; border-radius: 6px; font-size: 13px; max-height: 420px; overflow: auto; }