:root {
  --bg: #F7F8FA; --surface: #FFFFFF; --text: #1F2937;
  --muted: #6B7280; --faint: #9CA3AF; --border: #E5E7EB;
  --primary: #1E3A5F; --primary-hover: #2A4F80; --primary-light: #EEF2F7;
  --success: #16A34A; --warning: #D97706; --danger: #DC2626;
  --info: #2563EB;
  --r-lg: 16px; --r-md: 12px; --r-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.04);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: none; }
[data-roles][hidden] { display: none !important; }

.topbar {
  position: sticky; top: 0; z-index: 50; height: 56px;
  background: var(--surface); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 32px;
}
.topbar-logo { font-size: 17px; font-weight: 600; color: var(--primary); margin-right: 40px; }
.app-version { display:inline-block; margin-left:5px; padding:1px 5px; border-radius:5px; background:var(--primary-light); color:var(--muted); font-size:10px; font-weight:600; vertical-align:middle; }
.topbar-logo::before {
  content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  background: var(--primary); margin-right: 10px; vertical-align: middle;
}
.topbar-nav { display: flex; gap: 4px; }
.topbar-nav a {
  padding: 6px 16px; border-radius: var(--r-sm); color: var(--muted);
  font-weight: 500; font-size: 14px; white-space: nowrap;
}
.topbar-nav a:hover { color: var(--text); background: var(--primary-light); text-decoration: none; }
.topbar-nav a.active { color: var(--primary); background: var(--primary-light); }
.topbar-right { margin-left: auto; color: var(--muted); font-size: 13px; }
.role-switch { display:flex; align-items:center; gap:8px; white-space:nowrap; }
.role-switch span { color:var(--muted); font-size:12px; }
.role-switch select { width:auto; min-width:104px; padding:6px 28px 6px 10px; border-color:#dbe1e8; background-color:#f8fafc; font-size:13px; font-weight:600; color:var(--primary); }

.page { max-width: 960px; margin: 0 auto; padding: 40px 32px 80px; }
.page-wide { max-width: 1200px; }
.page-hero { margin-bottom: 28px; }
.page-hero h1 { font-size: 28px; font-weight: 700; letter-spacing: -.5px; margin-bottom: 6px; }
.page-hero p { color: var(--muted); }

.card {
  background: var(--surface); border-radius: var(--r-lg);
  box-shadow: var(--shadow); padding: 28px; margin-bottom: 20px;
}
.card-title { font-size: 16px; font-weight: 600; margin-bottom: 20px; }

.steps { display: flex; gap: 16px; margin-bottom: 32px; }
.step { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--r-md); color: var(--muted); font-size: 13px; }
.step.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.step-dot { width: 24px; height: 24px; border-radius: 50%; background: var(--border); color: white; font-weight: 600; display: flex; align-items: center; justify-content: center; font-size: 12px; flex-shrink: 0; }
.step.active .step-dot { background: var(--primary); }

.form-label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 8px; color: var(--text); }
.form-label .req { color: var(--danger); }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.form-group { margin-bottom: 20px; }

input, select, textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: var(--r-sm); font-size: 14px; font-family: inherit; background: var(--surface);
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,58,95,.1);
}
textarea { min-height: 70px; resize: vertical; }

.btn {
  padding: 10px 22px; border-radius: var(--r-sm); font-size: 14px; font-weight: 500;
  cursor: pointer; border: none; font-family: inherit; transition: all .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn-ghost { background: transparent; color: var(--primary); padding: 6px 12px; }
.btn-ghost:hover { background: var(--primary-light); }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

.courier-options { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.courier-card { padding: 18px; border: 2px solid var(--border); border-radius: var(--r-md); cursor: pointer; transition: all .15s; }
.courier-card:hover { border-color: var(--primary); }
.courier-card.selected { border-color: var(--primary); background: var(--primary-light); }
.courier-card .name { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.courier-card .fee { color: var(--muted); font-size: 12px; }

.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--surface); border-radius: var(--r-md); padding: 22px; box-shadow: var(--shadow); }
.stat-card .num { font-size: 30px; font-weight: 700; }
.stat-card .label { color: var(--muted); font-size: 13px; margin-top: 4px; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 100px; font-size: 12px; font-weight: 500; }
.badge-pending { background: #FEF3C7; color: #92400E; }
.badge-approved { background: var(--primary-light); color: var(--primary); }
.badge-ordered, .badge-success { background: #DBEAFE; color: #1E40AF; }
.badge-delivered { background: #E0E7FF; color: #3730A3; }
.badge-rejected { background: #FEE2E2; color: #991B1B; }
.badge-cancelled { background: var(--bg); color: var(--faint); }
.badge-failed { background: #FEE2E2; color: #991B1B; }

.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; padding: 12px 16px; font-size: 12px; font-weight: 500; color: var(--muted); background: var(--bg); text-transform: uppercase; letter-spacing: .5px; }
.data-table td { padding: 14px 16px; border-top: 1px solid var(--border); font-size: 13px; }
.data-table tr:hover td { background: var(--bg); }

.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 720px) {
  .form-grid-2, .form-grid-3, .courier-options, .stats-row, .split-2 { grid-template-columns: 1fr; }
  .topbar { height:auto;min-height:56px;padding:8px 16px;flex-wrap:wrap; }
  .page { padding: 24px 16px 60px; }
  .topbar-logo { margin-right:20px; }
  .topbar-nav { order:3;width:100%;flex-wrap:wrap;padding-top:6px; }
  .topbar-nav a { padding:6px 10px;white-space:nowrap; }
  .topbar-right { margin-left:auto; }
}

.alert { padding: 12px 16px; border-radius: var(--r-sm); font-size: 13px; margin-bottom: 16px; }
.alert-info { background: var(--primary-light); color: var(--primary); }
.alert-success { background: #D1FAE5; color: #065F46; }
.alert-warning { background: #FEF3C7; color: #92400E; }
.alert-error { background: #FEE2E2; color: #991B1B; }

.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 20px; flex-wrap: wrap; }
.toolbar input, .toolbar select { width: auto; }
.toolbar .search { flex: 1; min-width: 200px; }

.empty { text-align: center; padding: 60px 20px; color: var(--faint); }
.empty .icon { font-size: 48px; margin-bottom: 12px; }