:root {
  --navy: #1D3A5A;
  --navy-d: #152a42;
  --gold: #A8865A;
  --gold-l: #c4a57a;
  --bg: #f4f6f8;
  --card: #fff;
  --border: #e2e8f0;
  --text: #1a2332;
  --muted: #64748b;
  --ok: #15803d;
  --warn: #b45309;
  --danger: #b91c1c;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC",
    "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5;
}
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--gold); }
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 200px; background: var(--navy); color: #fff; padding: 20px 0;
  flex-shrink: 0;
}
.sidebar .brand {
  padding: 0 20px 20px; border-bottom: 1px solid rgba(255,255,255,.12);
  margin-bottom: 12px;
}
.sidebar .brand strong { display: block; font-size: 15px; }
.sidebar .brand span { font-size: 11px; color: var(--gold-l); }
.sidebar nav a {
  display: block; padding: 10px 20px; color: rgba(255,255,255,.85);
}
.sidebar nav a:hover, .sidebar nav a.active {
  background: rgba(255,255,255,.08); color: #fff; border-left: 3px solid var(--gold);
}
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  background: var(--card); border-bottom: 1px solid var(--border);
  padding: 12px 24px; display: flex; justify-content: space-between; align-items: center;
}
.topbar .user { color: var(--muted); font-size: 13px; }
.content { padding: 24px; }
h1 { font-size: 20px; margin: 0 0 16px; color: var(--navy); }
h2 { font-size: 16px; margin: 0 0 12px; color: var(--navy); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px 20px; margin-bottom: 16px;
}
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px; border-top: 3px solid var(--gold);
}
.stat .n { font-size: 28px; font-weight: 700; color: var(--navy); }
.stat .l { color: var(--muted); font-size: 12px; margin-top: 4px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: #f8fafc; }
tr:hover td { background: #fafbfc; }
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px;
  background: #e2e8f0; color: #334155;
}
.badge.active, .badge.paid { background: #dcfce7; color: var(--ok); }
.badge.unpaid, .badge.partial { background: #ffedd5; color: var(--warn); }
.badge.inactive, .badge.expired, .badge.terminated { background: #fee2e2; color: var(--danger); }
.badge.prospect { background: #e0e7ff; color: #3730a3; }
.btn {
  display: inline-block; padding: 8px 14px; border-radius: 6px; border: none;
  cursor: pointer; font-size: 13px; background: var(--navy); color: #fff;
}
.btn:hover { background: var(--navy-d); color: #fff; }
.btn.gold { background: var(--gold); }
.btn.gold:hover { background: #94744c; color: #fff; }
.btn.ghost { background: #fff; color: var(--navy); border: 1px solid var(--border); }
.btn.sm { padding: 4px 10px; font-size: 12px; }
.btn.ok { background: var(--ok); }
.btn.warn { background: var(--warn); }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; align-items: center; }
.toolbar input, .toolbar select, .form-row input, .form-row select, .form-row textarea {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.form-row { display: flex; flex-direction: column; gap: 4px; }
.form-row label { font-size: 12px; color: var(--muted); }
.form-row.full { grid-column: 1 / -1; }
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; }
.flash.ok { background: #dcfce7; color: var(--ok); }
.flash.error { background: #fee2e2; color: var(--danger); }
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy) 0%, #2a4f73 100%);
}
.login-card {
  background: #fff; width: 360px; padding: 32px; border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.login-card h1 { text-align: center; margin-bottom: 4px; }
.login-card .sub { text-align: center; color: var(--muted); margin-bottom: 24px; font-size: 12px; }
.login-card .form-row { margin-bottom: 14px; }
.login-card .btn { width: 100%; padding: 10px; }
.meta { color: var(--muted); font-size: 12px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.money { font-variant-numeric: tabular-nums; font-family: ui-monospace, Menlo, monospace; }
@media (max-width: 800px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; }
  .stats { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

/* Business-line dashboard blocks */
.biz-block {
  margin-bottom: 28px;
  padding: 4px 0 8px;
  border-left: 4px solid var(--gold);
  padding-left: 12px;
}
.biz-block.sec { border-left-color: #3b82f6; }
.biz-block-head {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px;
  margin-bottom: 12px;
}
.biz-block-head h2 { margin: 0; font-size: 18px; }
.biz-tag {
  font-size: 12px; color: var(--muted);
  background: #f1f5f9; padding: 2px 10px; border-radius: 999px;
}
.stats-4 { grid-template-columns: repeat(4, 1fr); }
.stats-mini {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin: 0;
}
.stat.sm { padding: 10px; border-top-width: 2px; }
.stat.sm .n { font-size: 20px; }
.stat.alt { border-top-color: #3b82f6; }
.stat.warn-border { border-top-color: var(--warn); }
.sub-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px;
}
.sub-card { margin-bottom: 0; }
.toast {
  position: fixed; right: 24px; bottom: 24px; z-index: 1000;
  padding: 12px 18px; border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.18);
  background: #fff; border: 1px solid var(--border); max-width: 420px;
  font-size: 13px;
}
.toast.ok { border-left: 4px solid var(--ok); color: var(--ok); }
.toast.err { border-left: 4px solid var(--danger); color: var(--danger); }
@media (max-width: 900px) {
  .stats-4, .stats-mini, .sub-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .stats-4, .stats-mini, .sub-grid { grid-template-columns: 1fr; }
}

/* ---- Mobile layout (≤ 800px) ---- */
@media (max-width: 800px) {
  body { font-size: 15px; -webkit-text-size-adjust: 100%; }
  .sidebar { padding: 10px 0 0; position: sticky; top: 0; z-index: 50; }
  .sidebar .brand { padding: 0 14px 8px; margin-bottom: 0; display: flex; align-items: baseline; gap: 8px; }
  .sidebar nav { display: flex; overflow-x: auto; -webkit-overflow-scrolling: touch; white-space: nowrap; }
  .sidebar nav a { display: inline-block; padding: 10px 14px; border-left: 0 !important; border-bottom: 3px solid transparent; }
  .sidebar nav a.active { border-bottom-color: var(--gold); }
  .topbar { padding: 10px 14px; flex-wrap: wrap; gap: 4px; }
  .topbar .user { font-size: 12px; }
  .content { padding: 14px 12px; }
  .stats, .stats-4 { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stats-mini { grid-template-columns: 1fr 1fr; }
  .sub-grid { grid-template-columns: 1fr; }
  .stat { padding: 12px; }
  .stat .n { font-size: 22px; word-break: break-all; }
  .card { padding: 12px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 560px; }
  th, td { padding: 8px 10px; white-space: nowrap; }
  .kv { grid-template-columns: 96px 1fr; }
  .section-head { flex-wrap: wrap; gap: 8px; }
  .toolbar input, .toolbar select { flex: 1 1 140px; font-size: 16px; }
  .form-row input, .form-row select, .form-row textarea { font-size: 16px; }
  .login-card { width: calc(100% - 32px); padding: 24px; }
  .btn { padding: 10px 14px; }
}