:root {
  --bg: #0f1218;
  --panel: #171b23;
  --panel-2: #1e2430;
  --line: #2a3140;
  --text: #e6e9ef;
  --muted: #8b93a5;
  --accent: #ff4f6d;
  --accent-2: #ff7a59;
  --ok: #34c38f;
  --warn: #f1b44c;
  --bad: #f46a6a;
  --radius: 12px;
  font-family: "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.boot { padding: 48px; color: var(--muted); }

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

input, select, textarea {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  min-width: 0;
}

input:focus, select:focus, textarea:focus { outline: 2px solid rgba(255, 79, 109, .45); border-color: transparent; }

textarea { resize: vertical; width: 100%; }

.btn {
  border: 1px solid var(--line);
  background: var(--panel-2);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover { border-color: #3b4558; }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: 0; color: #fff; font-weight: 600; }
.btn.danger { color: var(--bad); }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.link { border: 0; background: none; color: var(--accent-2); padding: 0; }

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 30% 20%, rgba(255, 79, 109, .18), transparent 45%), var(--bg);
}

.login form {
  width: 360px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
  display: grid;
  gap: 14px;
}

.login h1 { margin: 0 0 4px; font-size: 20px; }
.login p { margin: 0 0 8px; color: var(--muted); }

.layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }

.side {
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand { padding: 4px 10px 18px; font-weight: 700; font-size: 16px; }
.brand small { display: block; color: var(--muted); font-weight: 400; font-size: 12px; margin-top: 4px; }

.nav {
  text-align: left;
  border: 0;
  background: none;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--muted);
}

.nav:hover { background: var(--panel-2); color: var(--text); }
.nav.active { background: rgba(255, 79, 109, .14); color: var(--text); font-weight: 600; }
.side .spacer { flex: 1; }
.side .who { color: var(--muted); font-size: 12px; padding: 8px 12px; }

.main { padding: 24px 28px; min-width: 0; }
.main h2 { margin: 0 0 18px; font-size: 20px; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 14px; }

.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.stat b { display: block; font-size: 26px; margin-top: 6px; }
.stat span { color: var(--muted); }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
.toolbar input[type=search] { flex: 1; min-width: 220px; }
.grow { flex: 1; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--panel-2); }
td.mono, .mono { font-family: Consolas, "Cascadia Mono", monospace; }
.muted { color: var(--muted); }
.wrap { word-break: break-all; }

.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: var(--panel-2); }
.tag.unused { color: #8ab4ff; }
.tag.active { color: var(--ok); }
.tag.expired { color: var(--warn); }
.tag.banned { color: var(--bad); }
.tag.consumed { color: var(--muted); }

.pager { display: flex; gap: 10px; align-items: center; justify-content: flex-end; margin-top: 12px; color: var(--muted); }

.form-grid { display: grid; grid-template-columns: 160px 1fr; gap: 12px 16px; align-items: center; max-width: 760px; }
.form-grid label { color: var(--muted); }
.form-grid .hint { grid-column: 2; color: var(--muted); font-size: 12px; margin-top: -6px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .55);
  display: grid;
  place-items: center;
  z-index: 10;
  padding: 24px;
}

.modal {
  width: min(920px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 24px;
}

.modal.narrow { width: min(460px, 100%); }
.modal header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.modal header h3 { margin: 0; font-size: 18px; }
.modal footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 8px 14px; margin-bottom: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.section-title { margin: 18px 0 8px; font-weight: 600; }

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--ok);
  border-radius: 10px;
  padding: 12px 16px;
  z-index: 20;
  max-width: 420px;
}

.toast.error { border-left-color: var(--bad); }
.error-text { color: var(--bad); min-height: 20px; }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .side { flex-direction: row; flex-wrap: wrap; }
  .side .spacer { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .hint { grid-column: 1; }
}