/* 运输统计系统 · 前端模板样式基座（沿用 A风格v1.0 视觉） */
:root {
  --primary: #3b82f6; --secondary: #1e40af; --accent: #60a5fa;
  --success: #10b981; --warning: #f59e0b; --danger: #ef4444;
  --bg: #f1f5f9; --surface: #ffffff; --surface-2: #f8fafc;
  --text: #0f172a; --text-soft: #475569; --border: #e2e8f0;
  --shadow: 0 4px 16px rgba(15, 23, 42, .06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
  --sidebar-w: 244px; --radius: 16px;
}
[data-theme="dark"] {
  --bg: #0b1120; --surface: #111827; --surface-2: #0f172a;
  --text: #e5e7eb; --text-soft: #94a3b8; --border: #1f2937;
  --shadow: 0 4px 16px rgba(0, 0, 0, .4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, .55);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5;
  transition: background .3s ease, color .3s ease;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ===== 布局 ===== */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  background: linear-gradient(180deg, var(--secondary), #15295f);
  color: #e2e8f0; display: flex; flex-direction: column; padding: 18px 12px;
  position: fixed; inset: 0 auto 0 0; z-index: 40; transition: transform .3s ease;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 6px 10px 18px; font-weight: 700; font-size: 18px; }
.brand .logo { width: 34px; height: 34px; border-radius: 10px; background: var(--accent); display: grid; place-items: center; color: #fff; font-size: 18px; }
.sidebar-link {
  display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 12px;
  color: #cbd5e1; font-size: 15px; margin-bottom: 4px; transition: all .18s ease;
}
.sidebar-link i { width: 20px; text-align: center; }
.sidebar-link:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.sidebar-link.active { background: var(--accent); color: #fff; font-weight: 600; box-shadow: 0 6px 16px rgba(96, 165, 250, .4); }
.sidebar-foot { margin-top: auto; font-size: 12px; color: #94a3b8; padding: 10px; }

.main { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-width: 0; }
.topbar {
  position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 14px;
  padding: 14px 24px; background: color-mix(in srgb, var(--surface) 85%, transparent);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 18px; font-weight: 700; }
.topbar .spacer { flex: 1; }
.hamburger { display: none; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; width: 40px; height: 40px; font-size: 18px; color: var(--text); }
.icon-btn { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; width: 40px; height: 40px; color: var(--text); font-size: 16px; transition: all .2s; }
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.content { padding: 24px; max-width: 1200px; width: 100%; margin: 0 auto; }

/* ===== 卡片 / 统计 ===== */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: var(--shadow-lg); }
.grid { display: grid; gap: 16px; }
.stat-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.stat .label { color: var(--text-soft); font-size: 13px; }
.stat .value { font-size: 28px; font-weight: 800; margin-top: 6px; color: var(--primary); }
.section-title { font-size: 16px; font-weight: 700; margin: 4px 0 14px; display: flex; align-items: center; gap: 8px; }

/* ===== 按钮 ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 10px; border: 1px solid transparent; font-size: 14px; font-weight: 600; transition: all .18s; }
.btn-primary { background: var(--primary); color: #fff; } .btn-primary:hover { background: var(--secondary); }
.btn-success { background: var(--success); color: #fff; } .btn-success:hover { filter: brightness(1.08); }
.btn-danger { background: var(--danger); color: #fff; } .btn-danger:hover { filter: brightness(1.08); }
.btn-warning { background: var(--warning); color: #1f2937; } .btn-warning:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); } .btn-ghost:hover { background: var(--surface-2); }

/* ===== 表单 / 输入 ===== */
.input-field { width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--text); font-size: 14px; transition: border .15s, box-shadow .15s; }
.input-field:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(96, 165, 250, .25); }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-field > span { font-size: 13px; color: var(--text-soft); font-weight: 600; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }

/* ===== 工具栏 ===== */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 16px; }
.toolbar .filters { display: flex; gap: 10px; flex-wrap: wrap; }
.toolbar .filters .input-field { width: auto; min-width: 140px; }
.toolbar .spacer { flex: 1; }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 720px; }
.tbl th { text-align: left; padding: 12px 14px; background: var(--surface-2); color: var(--text-soft); font-weight: 700; white-space: nowrap; border-bottom: 1px solid var(--border); }
.tbl td { padding: 11px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table-row-item { cursor: pointer; transition: background .15s; }
.table-row-item:hover { background: var(--surface-2); }
.empty { padding: 40px; text-align: center; color: var(--text-soft); }

/* ===== 徽标 ===== */
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; color: #fff; background: var(--b, var(--neutral)); }
.location-badge { display: inline-block; padding: 2px 9px; border-radius: 8px; font-size: 12px; background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--secondary); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); }

/* ===== 弹窗 / 抽屉 ===== */
.modal-overlay, .drawer-overlay { position: fixed; inset: 0; background: rgba(15, 23, 42, .45); z-index: 60; display: grid; place-items: center; padding: 20px; animation: fade .2s ease; }
.drawer-overlay { justify-items: end; align-items: stretch; padding: 0; }
.modal-card { background: var(--surface); border-radius: var(--radius); width: min(560px, 100%); max-height: 90vh; overflow: auto; box-shadow: var(--shadow-lg); }
.modal-head, .drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.modal-head h3, .drawer-head h3 { font-size: 17px; }
.modal-close, .drawer-close { background: none; border: none; font-size: 24px; color: var(--text-soft); line-height: 1; }
.modal-body, .drawer-body { padding: 20px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 20px; border-top: 1px solid var(--border); }
.drawer-panel { background: var(--surface); width: min(420px, 92vw); height: 100%; box-shadow: var(--shadow-lg); transform: translateX(100%); transition: transform .28s ease; }
.drawer-overlay.open .drawer-panel { transform: translateX(0); }
.drawer-row { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--border); }
.drawer-row .dl { color: var(--text-soft); font-size: 13px; width: 96px; flex: 0 0 96px; }
.drawer-row .dv { flex: 1; font-weight: 600; word-break: break-all; }

/* ===== 图表（CSS 条形，坐标轴从 0） ===== */
.chart { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.bar-row { display: grid; grid-template-columns: 120px 1fr 64px; align-items: center; gap: 10px; margin: 8px 0; }
.bar-row .name { font-size: 13px; color: var(--text-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-track { height: 18px; background: var(--surface-2); border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--primary)); border-radius: 6px; width: 0; transition: width .6s ease; }
.bar-row .val { font-size: 13px; font-weight: 700; text-align: right; }

/* ===== 提示 / 加载 ===== */
.toast-box { position: fixed; right: 20px; bottom: 20px; z-index: 80; display: flex; flex-direction: column; gap: 10px; }
.toast { padding: 12px 18px; border-radius: 10px; color: #fff; font-size: 14px; font-weight: 600; box-shadow: var(--shadow-lg); opacity: 0; transform: translateY(10px); transition: all .3s; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { background: var(--success); } .toast-danger { background: var(--danger); }
.toast-warning { background: var(--warning); color: #1f2937; } .toast-info { background: var(--primary); }
.spinner { width: 28px; height: 28px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; margin: 30px auto; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .main { margin-left: 0; }
  .hamburger { display: inline-flex; align-items: center; justify-content: center; }
  .content { padding: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .bar-row { grid-template-columns: 84px 1fr 52px; }
}
.scrim { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 35; display: none; }
.scrim.show { display: block; }

/* ===== 双后台增强：分组导航 / 身份条 / 标签页 / 行内操作 ===== */
.nav-group { margin: 16px 12px 6px; font-size: 11px; letter-spacing: .09em; color: #93a3bd; font-weight: 800; text-transform: uppercase; }
.nav-group:first-child { margin-top: 4px; }

.identity { display: inline-flex; align-items: center; gap: 8px; padding: 4px 12px 4px 4px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); font-size: 13px; font-weight: 600; }
.identity .avatar { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--primary)); color: #fff; display: grid; place-items: center; font-size: 12px; font-weight: 800; }
.identity .role { font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 999px; background: color-mix(in srgb, var(--primary) 14%, transparent); color: var(--primary); }
.identity.guest .avatar { background: var(--text-soft); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.tab { padding: 9px 18px; font-size: 14px; font-weight: 600; color: var(--text-soft); background: transparent; border: 1px solid transparent; border-bottom: 2px solid transparent; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.btn-sm { padding: 5px 11px; font-size: 13px; border-radius: 8px; gap: 5px; }
.row-actions { display: flex; gap: 6px; flex-wrap: nowrap; }

.pill { display: inline-flex; align-items: center; gap: 5px; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill-on { background: color-mix(in srgb, var(--success) 14%, transparent); color: var(--success); }
.pill-off { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }

.form-note { font-size: 12px; color: var(--text-soft); font-weight: 400; margin-top: 2px; }
.form-single { display: block; }
.form-single .form-field { margin-bottom: 16px; }

.notice { display: flex; gap: 10px; align-items: flex-start; padding: 12px 16px; border-radius: 12px; font-size: 13px; line-height: 1.6; margin-bottom: 16px; }
.notice-info { background: color-mix(in srgb, var(--primary) 8%, transparent); border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent); color: var(--text); }
.notice-warn { background: color-mix(in srgb, var(--warning) 12%, transparent); border: 1px solid color-mix(in srgb, var(--warning) 35%, transparent); color: var(--text); }

.pager { display: flex; align-items: center; justify-content: flex-end; gap: 10px; margin-top: 14px; font-size: 13px; color: var(--text-soft); }

/* 登录页（管理员 / 用户共用骨架） */
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; background:
  radial-gradient(1000px 500px at 15% -10%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%),
  radial-gradient(800px 400px at 110% 110%, color-mix(in srgb, var(--primary) 18%, transparent), transparent 60%), var(--bg); }
.auth-card { width: min(420px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow-lg); padding: 32px 30px; }
.auth-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; font-size: 20px; font-weight: 800; }
.auth-brand .logo { width: 42px; height: 42px; border-radius: 13px; background: linear-gradient(135deg, var(--accent), var(--primary)); color: #fff; display: grid; place-items: center; font-size: 19px; }
.auth-sub { color: var(--text-soft); font-size: 13px; margin-bottom: 22px; }
.auth-card .btn { width: 100%; justify-content: center; padding: 12px; margin-top: 6px; }
.auth-foot { margin-top: 18px; text-align: center; font-size: 13px; color: var(--text-soft); }
.auth-foot a { color: var(--primary); font-weight: 600; }
.auth-err { display: none; background: color-mix(in srgb, var(--danger) 12%, transparent); border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); color: var(--danger); padding: 10px 14px; border-radius: 10px; font-size: 13px; margin-bottom: 14px; }
.auth-err.show { display: block; }

.no-row-click .table-row-item { cursor: default; }
.no-row-click .table-row-item:hover { background: var(--surface-2); }

.brand-tag { font-size: 10px; font-weight: 800; letter-spacing: .06em; padding: 2px 7px; border-radius: 6px; background: rgba(255,255,255,.16); color: #fff; margin-left: 2px; align-self: center; }
.portal-link { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: #cbd5e1; padding: 6px 10px; border-radius: 9px; border: 1px dashed rgba(255,255,255,.22); transition: all .18s; }
.portal-link:hover { background: rgba(255,255,255,.1); color: #fff; }
.sidebar-link { position: relative; }