:root {
  --navy: #12304a;
  --navy-2: #1b4468;
  --ink: #111417;
  --muted: #5c6470;
  --line: #dfe3e8;
  --bg: #f4f6f8;
  --card: #ffffff;
  --ok: #1c7c46;
  --warn: #b06a00;
  --danger: #b3261e;
  --info: #1c5d99;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 14px;
}

a { color: var(--navy-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------- 顶栏 ---------------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 0 22px;
  height: 62px;
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 700; letter-spacing: .5px; font-size: 15px; }
.brand-sub { font-size: 11.5px; opacity: .75; }
.nav { display: flex; gap: 4px; margin-left: 10px; flex-wrap: wrap; }
.nav a {
  color: #d9e3ec;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
}
.nav a:hover { background: rgba(255,255,255,.10); text-decoration: none; }
.nav a.active { background: rgba(255,255,255,.18); color: #fff; font-weight: 600; }
.userbox { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.who { font-size: 12.5px; opacity: .85; }

/* ---------------- 布局 ---------------- */
.wrap { max-width: 1180px; margin: 22px auto 60px; padding: 0 20px; }
.foot {
  max-width: 1180px;
  margin: 0 auto 26px;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
.muted { color: var(--muted); }

h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 0 0 12px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.page-head .sub { color: var(--muted); font-size: 12.5px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 18px;
}
.card-tight { padding: 14px; }

.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* ---------------- 指标卡 ---------------- */
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--navy);
  border-radius: 10px;
  padding: 16px 18px;
}
.stat .k { font-size: 12px; color: var(--muted); }
.stat .v { font-size: 28px; font-weight: 700; margin-top: 6px; }
.stat.ok { border-left-color: var(--ok); }
.stat.warn { border-left-color: var(--warn); }
.stat.danger { border-left-color: var(--danger); }
.stat.info { border-left-color: var(--info); }

/* ---------------- 表单 ---------------- */
label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 5px; }
input[type=text], input[type=password], input[type=date], input[type=time], select, textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid #9dc0e0; border-color: var(--navy-2); }
.field { margin-bottom: 14px; }
.hint { font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1 1 180px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: #fff;
  padding: 9px 16px;
  border-radius: 7px;
  font-size: 13.5px;
  cursor: pointer;
  font-family: inherit;
}
.btn:hover { background: var(--navy-2); text-decoration: none; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn.ghost { background: transparent; color: #e6edf4; border-color: rgba(255,255,255,.45); }
.btn.ghost:hover { background: rgba(255,255,255,.12); }
.btn.secondary { background: #fff; color: var(--navy); border-color: var(--line); }
.btn.secondary:hover { background: #eef3f8; }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.small { padding: 5px 10px; font-size: 12.5px; }

/* ---------------- 表格 ---------------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); background: #fafbfc; }
tbody tr:hover { background: #f7f9fb; }

/* ---------------- 徽标 ---------------- */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 600; border: 1px solid transparent; }
.badge.ok { background: #e6f4ec; color: var(--ok); border-color: #bfe2cd; }
.badge.danger { background: #fbeceb; color: var(--danger); border-color: #f0c9c6; }
.badge.info { background: #e8f0f8; color: var(--info); border-color: #c6dbef; }
.badge.pending { background: #fdf3e2; color: var(--warn); border-color: #f0dcb6; }
.badge.muted { background: #eef0f2; color: var(--muted); border-color: #dde1e5; }

/* ---------------- 提示 ---------------- */
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 13px; }
.alert.error { background: #fbeceb; color: var(--danger); border: 1px solid #f0c9c6; }
.alert.ok { background: #e6f4ec; color: var(--ok); border: 1px solid #bfe2cd; }
.alert.warn { background: #fdf3e2; color: var(--warn); border: 1px solid #f0dcb6; }
.alert.info { background: #e8f0f8; color: var(--info); border: 1px solid #c6dbef; }

/* ---------------- 日历 ---------------- */
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal .dow { font-size: 11.5px; color: var(--muted); text-align: center; padding: 4px 0; }
.cal .cell { min-height: 92px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 6px; font-size: 11.5px; }
.cal .cell.empty { background: transparent; border-color: transparent; }
.cal .cell.today { border-color: var(--navy); box-shadow: 0 0 0 2px #cfe0ef inset; }
.cal .dnum { font-weight: 700; font-size: 12.5px; color: var(--navy); }
.cal .ev { margin-top: 4px; padding: 3px 5px; background: #eef3f8; border-left: 3px solid var(--navy-2); border-radius: 4px; }

/* ---------------- 登录 ---------------- */
.login-shell { max-width: 380px; margin: 90px auto; }
.login-shell .card { padding: 26px; }
.login-brand { text-align: center; margin-bottom: 18px; }
.login-brand .n { font-size: 19px; font-weight: 700; color: var(--navy); letter-spacing: .5px; }
.login-brand .s { font-size: 12.5px; color: var(--muted); }

/* ---------------- 核验页 ---------------- */
.verify-shell { max-width: 640px; margin: 46px auto; }
.verify-head { text-align: center; margin-bottom: 20px; }
.verify-head .n { font-size: 24px; font-weight: 700; color: var(--navy); letter-spacing: .6px; }
.verify-head .s { font-size: 13px; color: var(--muted); margin-top: 2px; }
.big-status { text-align: center; padding: 16px; border-radius: 10px; font-size: 20px; font-weight: 700; margin-bottom: 18px; }
.big-status.ok { background: #e6f4ec; color: var(--ok); }
.big-status.danger { background: #fbeceb; color: var(--danger); }
.big-status.info { background: #e8f0f8; color: var(--info); }
.big-status.muted { background: #eef0f2; color: var(--muted); }
.kv { display: grid; grid-template-columns: 190px 1fr; gap: 0; }
.kv > div { padding: 9px 2px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.kv > div:nth-child(odd) { color: var(--muted); }

/* ---------------- 弹层 ---------------- */
.modal-bg { position: fixed; inset: 0; background: rgba(17,20,23,.5); display: none; align-items: center; justify-content: center; z-index: 50; }
.modal-bg.show { display: flex; }
.modal { background: #fff; border-radius: 12px; padding: 22px; width: min(560px, 92vw); max-height: 86vh; overflow: auto; }
.modal h2 { margin-bottom: 14px; }
.mono { font-family: "Consolas", "Courier New", monospace; font-size: 12.5px; word-break: break-all; }
.toast { position: fixed; right: 20px; bottom: 20px; background: var(--navy); color: #fff; padding: 11px 16px; border-radius: 8px; font-size: 13px; opacity: 0; transition: opacity .2s; z-index: 60; }
.toast.show { opacity: 1; }
.toast.err { background: var(--danger); }