:root {
  --bg: #0d1117;
  --card: #161b26;
  --border: #283042;
  --text: #e6e9ef;
  --muted: #8b93a7;
  --primary: #7c3aed;
  --ok: #22c55e;
  --ok-bg: rgba(34, 197, 94, 0.08);
  --warn: #f59e0b;
  --danger: #ef4444;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
h1 { margin: 0; font-size: 22px; }
h2 { margin: 0; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--danger); min-height: 20px; margin: 0; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px 18px; }

input {
  background: #0f141d; color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; font: inherit;
}
input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
label { display: inline-flex; align-items: center; gap: 6px; }

.btn {
  border: 1px solid var(--border); background: #222a3a; color: var(--text);
  border-radius: 8px; padding: 7px 14px; font: inherit; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--primary); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.danger { color: #fca5a5; }
.btn.ghost { background: transparent; }

/* 登录 */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 12px; }
.login-card label { flex-direction: column; align-items: stretch; gap: 4px; }
.login-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
select.lang {
  background: #0f141d; color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 8px; font: inherit; cursor: pointer;
}

/* 主界面 */
.app { max-width: 1400px; margin: 0 auto; padding: 18px; display: flex; flex-direction: column; gap: 16px; }
.head { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.stats { display: flex; gap: 10px; flex: 1 1 auto; flex-wrap: wrap; }
.stat {
  min-width: 120px; padding: 10px 16px; border-radius: 12px; border: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center;
}
.stat b { font-size: 24px; line-height: 1.2; }
.stat span { font-size: 12px; color: var(--muted); }
.stat.ok b { color: var(--ok); }
.stat.warn b { color: var(--warn); }

.claim { display: flex; flex-direction: column; gap: 12px; }
.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; }
.tier {
  text-align: left; padding: 12px 14px; border-radius: 12px; border: 2px solid var(--border);
  background: transparent; color: var(--text); font: inherit; cursor: pointer;
  display: flex; flex-direction: column; gap: 2px;
}
.tier:hover:not(:disabled) { border-color: var(--primary); }
.tier.selected { border-color: var(--primary); background: rgba(124, 58, 237, 0.1); }
.tier:disabled { opacity: 0.45; cursor: not-allowed; }
.tier .name { font-weight: 600; }
.tier .price { font-size: 18px; font-weight: 600; }
.tier .cny { color: var(--warn); font-size: 13px; }
.tier .left { font-size: 12px; color: var(--muted); }
.claim-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.claim-row input { width: 90px; }

.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 1000px) { .columns { grid-template-columns: 1fr; } }
.col { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.paid-col { border-color: rgba(34, 197, 94, 0.35); background: linear-gradient(var(--ok-bg), var(--ok-bg)), var(--card); }
.paid-col h2 { color: var(--ok); }
.col-head { display: flex; flex-direction: column; gap: 8px; }
.actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge { font-size: 12px; padding: 1px 8px; border-radius: 10px; background: #2a3142; }
.badge.ok { color: var(--ok); }
.badge.warn { color: var(--warn); }

.daily { display: flex; gap: 6px; flex-wrap: wrap; font-size: 12px; }
.daily span { padding: 2px 8px; border-radius: 8px; background: rgba(34, 197, 94, 0.12); color: #86efac; }

.table-wrap { max-height: 62vh; overflow: auto; border: 1px solid var(--border); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; table-layout: fixed; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { position: sticky; top: 0; background: #1b2130; font-size: 12px; color: var(--muted); z-index: 1; }
td.url { font: 12px/1.5 ui-monospace, Consolas, monospace; word-break: break-all; color: #93c5fd; }
.paid-col td.url { color: #86efac; }
.c-check { width: 36px; }
.c-n { width: 44px; }
.c-tier { width: 110px; }
.c-time { width: 110px; }
tr.checking td { opacity: 0.7; }
tr.soon td.time { color: var(--danger); }
.tag { font-size: 11px; padding: 0 6px; border-radius: 6px; background: #2a3142; color: var(--warn); }
.empty { margin: 0; padding: 24px; text-align: center; color: var(--muted); }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: #222a3a; border: 1px solid var(--border); padding: 10px 16px; border-radius: 10px;
  opacity: 0; transition: opacity 0.2s; pointer-events: none;
}
.toast.show { opacity: 1; }