:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --line: #2a3548;
  --text: #e7ecf3;
  --muted: #8b9bb4;
  --accent: #3d8bfd;
  --ok: #3dd68c;
  --danger: #f07178;
  --caution: #e6c07b;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { display: flex; min-height: 100vh; }
.side {
  width: 220px;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 24px 16px;
}
.side h1 { font-size: 16px; margin: 0 0 8px; }
.side .who { color: var(--muted); font-size: 12px; margin-bottom: 24px; }
.side nav a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text);
  margin-bottom: 4px;
}
.side nav a:hover,
.side nav a.active {
  background: #243044;
  text-decoration: none;
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #121a26;
  color: var(--text);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}
.side-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.main { flex: 1; padding: 28px 32px; min-width: 0; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}
h2 { margin: 0 0 12px; font-size: 20px; }
.sub { color: var(--muted); font-size: 13px; margin: 0 0 16px; line-height: 1.55; }
.hint { color: var(--muted); font-size: 13px; margin: 0 0 12px; line-height: 1.5; }

.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.stat {
  background: #121a26;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
}
.stat b { display: block; font-size: 22px; margin-top: 6px; word-break: break-all; }
.stat span { color: var(--muted); font-size: 13px; }

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}
th { color: var(--muted); font-weight: 500; white-space: nowrap; }

label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 6px; }
input[type=text],
input[type=number],
input[type=date],
input[type=password],
textarea,
select {
  width: 100%;
  max-width: 520px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #121a26;
  color: var(--text);
  font-size: 16px; /* 避免 iOS 自动放大 */
}
textarea { min-height: 100px; font-family: ui-monospace, monospace; font-size: 13px; line-height: 1.45; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  border: 0;
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.secondary { background: #2a3548; }
.btn.danger { background: var(--danger); }
.btn.sm { min-height: 36px; padding: 6px 12px; font-size: 12px; }
.btn.block { width: 100%; }

.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.checks { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.checks label { display: flex; align-items: center; gap: 6px; color: var(--text); margin: 0; }
.checks input { width: auto; }

.ok, .msg-ok { color: var(--ok); }
.err, .msg-err { color: var(--danger); }
.warn {
  margin: 12px 0;
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(230, 192, 123, .08);
  border: 1px solid rgba(230, 192, 123, .28);
  color: var(--caution);
  font-size: 13px;
  line-height: 1.55;
}
.mono { font-family: ui-monospace, monospace; font-size: 12px; color: var(--muted); word-break: break-all; }
.tag-on { color: var(--ok); }
.tag-off { color: var(--muted); }

.pager { margin-top: 16px; }
.pager .pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.pager .pagination li a,
.pager .pagination li span {
  display: inline-block;
  min-width: 40px;
  text-align: center;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #121a26;
  color: var(--text);
}
.pager .pagination li.active span {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.pager .pagination li.disabled span { opacity: .4; }

.stack-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.stack-form input[type=text] { max-width: 180px; }

/* 登录 / 绑定页 */
.auth-page { margin: 0; min-height: 100vh; }
.auth-box {
  max-width: 420px;
  margin: 10vh auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
}
.auth-box .btn { width: 100%; margin-top: 12px; }
.auth-box input { max-width: none; }

@media (max-width: 1100px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .wrap { flex-direction: column; }
  .side {
    width: 100%;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 12px 14px;
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(26, 35, 50, .96);
    backdrop-filter: blur(8px);
  }
  .side .who { margin-bottom: 10px; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .side nav {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding-top: 8px;
  }
  .side.open nav { display: flex; }
  .side nav a {
    margin: 0;
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  .main { padding: 14px 12px 40px; }
  .card { padding: 14px; border-radius: 10px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .grid2 { grid-template-columns: 1fr; }
  input[type=text],
  input[type=number],
  input[type=date],
  input[type=password],
  textarea,
  select { max-width: none; }
  .stack-form { width: 100%; }
  .stack-form input[type=text] { max-width: none; flex: 1; min-width: 0; }
  .btn { width: auto; }
  .btn.block,
  .row .btn { width: 100%; }
  .row { align-items: stretch; }
  .row > input[type=text] { flex: 1; min-width: 0; max-width: none; }
  table { min-width: 620px; }
  .auth-box { margin: 4vh 12px; padding: 18px; }
}
@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  h2 { font-size: 18px; }
}