/* ========== 全局变量 ========== */
:root {
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  --primary-bg: #eff6ff;
  --primary-border: #bfdbfe;
  --white: #ffffff;
  --bg: #f1f5f9;
  --bg-card: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --success: #22c55e;
  --success-bg: #f0fdf4;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --info: #3b82f6;
  --info-bg: #eff6ff;
  --purple: #8b5cf6;
  --purple-bg: #f5f3ff;
  --sidebar-w: 240px;
  --header-h: 56px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-sm: 6px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }
/* 主题切换平滑过渡 */
body, .sidebar, .header, .card, .modal, .modal-overlay .modal,
.sidebar-header, .sidebar-footer, .nav-item, .nav-item span,
.sidebar .nav-item svg path, .header-user, .toast,
.btn, .btn-outline, input, select, textarea, table, th, td,
.tag-check, .badge, .park-switcher select {
  transition: background-color 0.4s ease, color 0.3s ease, border-color 0.4s ease, fill 0.3s ease, box-shadow 0.3s ease;
}
button { cursor: pointer; font-family: inherit; font-size: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
a { text-decoration: none; color: var(--primary); }
ul { list-style: none; }

/* ========== 登录页 ========== */
.login-page { position: fixed; inset: 0; background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%); display: flex; align-items: center; justify-content: center; z-index: 9999; }
.login-card { background: var(--white); border-radius: 16px; box-shadow: 0 25px 50px rgba(0,0,0,0.25); padding: 48px 40px; width: 400px; max-width: 90vw; }
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo .icon { width: 64px; height: 64px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: 16px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.login-logo .icon svg { width: 36px; height: 36px; fill: white; }
.login-logo h1 { font-size: 20px; color: var(--text); font-weight: 700; }
.login-logo p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.login-form .form-group { margin-bottom: 20px; }
.login-form label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 500; }
.login-form input { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius); outline: none; transition: border-color 0.2s; }
.login-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.login-btn { width: 100%; padding: 12px; background: var(--primary); color: white; border-radius: var(--radius); font-size: 15px; font-weight: 600; transition: background 0.2s; }
.login-btn:hover { background: var(--primary-dark); }
.login-hint { text-align: center; margin-top: 16px; font-size: 12px; color: var(--text-muted); }
.login-hint code { background: var(--bg); padding: 2px 8px; border-radius: 4px; color: var(--primary); font-size: 12px; }

/* ========== 主布局 ========== */
.app { display: none; }
.app.active { display: flex; }
.sidebar { width: var(--sidebar-w); background: linear-gradient(180deg, #1e3a8a 0%, #1e40af 100%); color: white; display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; z-index: 100; transition: transform 0.3s, background 0.4s ease; }
.sidebar-header { padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; gap: 10px; }
.sidebar-header .logo-icon { width: 36px; height: 36px; background: rgba(255,255,255,0.15); border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sidebar-header .logo-icon svg { width: 22px; height: 22px; fill: white; }
.sidebar-header h2 { font-size: 14px; font-weight: 600; line-height: 1.3; }
.sidebar-header p { font-size: 11px; opacity: 0.7; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 4px; }
.nav-group-title { font-size: 11px; color: rgba(255,255,255,0.4); padding: 16px 20px 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 20px; color: rgba(255,255,255,0.7); font-size: 13px; cursor: pointer; transition: all 0.2s; border-left: 3px solid transparent; }
.nav-item:hover { background: rgba(255,255,255,0.08); color: white; }
.nav-item.active { background: rgba(255,255,255,0.12); color: white; border-left-color: #60a5fa; }
.nav-item .nav-icon { width: 18px; height: 18px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.nav-item .nav-icon svg { width: 18px; height: 18px; fill: currentColor; }
.sidebar-footer { padding: 12px 20px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 11px; color: rgba(255,255,255,0.4); }

.main { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-height: 100vh; }
.header { height: var(--header-h); background: var(--white); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; position: sticky; top: 0; z-index: 50; }
.header-left { display: flex; align-items: center; gap: 12px; }
.header-left h1 { font-size: 16px; font-weight: 600; }
.park-switcher { margin-left: 8px; }
.park-switcher select { padding: 5px 28px 5px 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; color: var(--text); background: var(--bg); cursor: pointer; outline: none; transition: border-color 0.2s; max-width: 200px; }
.park-switcher select:hover { border-color: var(--primary); }
.park-switcher select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.header-right { display: flex; align-items: center; gap: 16px; }
.header-user { display: flex; align-items: center; gap: 8px; cursor: pointer; position: relative; }
.header-user .avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: white; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; }
.header-user .name { font-size: 13px; color: var(--text); }
.user-dropdown { position: absolute; top: 100%; right: 0; margin-top: 8px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md); min-width: 160px; display: none; z-index: 100; }
.user-dropdown.show { display: block; }
.user-dropdown button { display: block; width: 100%; text-align: left; padding: 10px 16px; font-size: 13px; color: var(--text); transition: background 0.2s; }
.user-dropdown button:hover { background: var(--bg); }
.user-dropdown button.danger { color: var(--danger); }
.content { flex: 1; padding: 24px; overflow-x: hidden; }

/* ========== 通用组件 ========== */
.card { background: var(--bg-card); border-radius: var(--radius-lg); border: 1px solid var(--border); padding: 24px; margin-bottom: 20px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-size: 15px; font-weight: 600; color: var(--text); }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; transition: all 0.2s; border: 1px solid transparent; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { border-color: var(--border); color: var(--text-secondary); background: var(--bg-card); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-success { background: var(--success); color: white; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 10px 20px; font-size: 14px; }
.btn-primary { box-shadow: 0 1px 3px rgba(0,0,0,0.12); }
.btn-primary:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.2); }
.btn-outline:hover { background: var(--primary); color: white; border-color: var(--primary); }
select option { background: var(--bg-card); color: var(--text); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 10px 12px; background: var(--bg); color: var(--text-secondary); font-weight: 600; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border-light); color: var(--text); }
tr:hover td { background: var(--bg); }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-purple { background: var(--purple-bg); color: var(--purple); }
.badge-primary { background: #eff6ff; color: var(--primary); }
.badge-default { background: var(--bg); color: var(--text-muted); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); outline: none; transition: border-color 0.2s, background-color 0.4s ease, color 0.3s ease; background: var(--bg-card); color: var(--text); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tag-selector { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); max-height: 120px; overflow-y: auto; }
.tag-selector-province { max-height: 280px; }
.province-group { margin-bottom: 8px; }
.province-header { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: var(--primary); margin-bottom: 4px; cursor: pointer; user-select: none; }
.province-header:hover { text-decoration: underline; }
.province-cities { display: flex; flex-wrap: wrap; gap: 4px; padding-left: 12px; }
.tag-check { display: inline-flex; align-items: center; gap: 3px; padding: 3px 8px; border: 1px solid var(--border); border-radius: 12px; font-size: 12px; cursor: pointer; background: var(--bg-card); transition: all 0.15s; user-select: none; }
.tag-check:hover { border-color: var(--primary); }
.tag-check input { display: none; }
.tag-check:has(input:checked) { background: var(--primary); color: white; border-color: var(--primary); }
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; align-items: center; justify-content: center; }
.modal-overlay.show { display: flex; }
.modal { background: var(--bg-card); border-radius: var(--radius-lg); width: 560px; max-width: 90vw; max-height: 85vh; overflow-y: auto; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; border-bottom: 1px solid var(--border); }
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 50%; color: var(--text-muted); font-size: 20px; }
.modal-close:hover { background: var(--bg); }
.modal-body { padding: 24px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 12px; padding: 16px 24px; border-top: 1px solid var(--border); }
.search-bar { display: flex; gap: 12px; margin-bottom: 16px; align-items: center; flex-wrap: wrap; }
.search-bar input, .search-bar select { padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); outline: none; background: var(--bg-card); color: var(--text); transition: border-color 0.2s, background-color 0.4s ease, color 0.3s ease; }
.search-bar input:focus, .search-bar select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state svg { width: 48px; height: 48px; fill: var(--border); margin-bottom: 12px; }

/* ========== 仪表盘 ========== */
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg-card); border-radius: var(--radius-lg); border: 1px solid var(--border); padding: 20px; position: relative; overflow: hidden; }
.stat-card .stat-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.stat-card .stat-icon svg { width: 22px; height: 22px; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--text); }
.stat-card .stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.stat-card .stat-trend { font-size: 12px; margin-top: 8px; }
.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.bar-chart { display: flex; align-items: flex-end; gap: 4px; height: 200px; padding: 16px 0; }
.bar-chart .bar-item { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.bar-chart .bar { width: 80%; min-height: 4px; border-radius: 4px 4px 0 0; transition: height 0.3s; position: relative; }
.bar-chart .bar-label { font-size: 11px; color: var(--text-muted); }
.bar-chart .bar-value { font-size: 11px; color: var(--text-secondary); font-weight: 600; }
.donut-chart-wrap { display: flex; align-items: center; justify-content: center; gap: 32px; }
.donut-legend { display: flex; flex-direction: column; gap: 10px; }
.donut-legend-item { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.donut-legend-item .dot { width: 10px; height: 10px; border-radius: 50%; }
.activity-list { display: flex; flex-direction: column; gap: 12px; }
.activity-item { display: flex; gap: 12px; padding: 12px; border-radius: var(--radius); background: var(--bg); }
.activity-item .activity-icon { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.activity-item .activity-content { flex: 1; }
.activity-item .activity-text { font-size: 13px; color: var(--text); }
.activity-item .activity-time { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ========== 画布编辑器 ========== */
.canvas-toolbar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg) var(--radius-lg) 0 0; flex-wrap: wrap; }
.canvas-toolbar .tool-btn { display: flex; align-items: center; gap: 4px; padding: 6px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 12px; color: var(--text-secondary); background: var(--bg-card); transition: all 0.2s; }
.canvas-toolbar .tool-btn:hover { border-color: var(--primary); color: var(--primary); }
.canvas-toolbar .tool-btn.active { background: var(--primary); color: white; border-color: var(--primary); }
.canvas-toolbar .tool-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.canvas-toolbar .tool-divider { width: 1px; height: 24px; background: var(--border); margin: 0 4px; }
.canvas-toolbar .zone-selector { padding: 6px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 12px; outline: none; }
.canvas-container { background: var(--bg-card); border: 1px solid var(--border); border-top: none; border-radius: 0 0 var(--radius-lg) var(--radius-lg); height: calc(100vh - var(--header-h) - 140px); overflow: hidden; position: relative; }
#canvasSvg { width: 100%; height: 100%; cursor: grab; }
#canvasSvg.grabbing { cursor: grabbing; }
#canvasSvg.adding { cursor: crosshair; }
.stall-rect { stroke: #cbd5e1; stroke-width: 1; cursor: pointer; transition: opacity 0.15s; }
.stall-rect:hover { stroke: var(--primary); stroke-width: 2; }
.stall-rect.selected { stroke: var(--primary); stroke-width: 2.5; }
.stall-rect.multi-selected { stroke: var(--primary-light); stroke-width: 2; }
.stall-text { pointer-events: none; user-select: none; font-size: 10px; fill: white; text-anchor: middle; }
.stall-label { pointer-events: none; user-select: none; font-size: 8px; fill: rgba(255,255,255,0.8); text-anchor: middle; }
.stall-merchant { pointer-events: none; user-select: none; font-size: 7px; fill: var(--text-secondary); text-anchor: middle; }
.building-label { pointer-events: none; user-select: none; font-size: 14px; font-weight: 700; fill: var(--text); text-anchor: middle; }
.canvas-info { position: absolute; bottom: 12px; left: 12px; background: rgba(255,255,255,0.95); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 12px; font-size: 12px; color: var(--text-secondary); display: flex; gap: 16px; }
.canvas-legend { position: absolute; top: 12px; right: 12px; background: rgba(255,255,255,0.95); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 12px; }
.canvas-legend .legend-item { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.canvas-legend .legend-item:last-child { margin-bottom: 0; }
.canvas-legend .legend-dot { width: 12px; height: 12px; border-radius: 3px; }
.zoom-controls { position: absolute; bottom: 12px; right: 12px; display: flex; flex-direction: column; gap: 4px; }
.zoom-controls button { width: 32px; height: 32px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--text); }
.zoom-controls button:hover { border-color: var(--primary); color: var(--primary); }
.canvas-status-bar { display: flex; align-items: center; gap: 8px; padding: 8px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); margin-top: 12px; font-size: 12px; }
.status-vacant { background: #94a3b8; }
.status-rented { background: #22c55e; }
.status-reserved { background: #f59e0b; }
.status-selfuse { background: #3b82f6; }
.status-disabled { background: #ef4444; }

/* ========== 分区管理 ========== */
.zone-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.zone-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; cursor: pointer; transition: all 0.2s; position: relative; }
.zone-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.zone-card .zone-name { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.zone-card .zone-desc { font-size: 12px; color: var(--text-muted); margin-bottom: 12px; }
.zone-card .zone-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.zone-card .zone-stat { text-align: center; padding: 8px; background: var(--bg); border-radius: var(--radius-sm); }
.zone-card .zone-stat .num { font-size: 18px; font-weight: 700; color: var(--text); }
.zone-card .zone-stat .label { font-size: 11px; color: var(--text-muted); }

/* ========== Toast ========== */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 12px 20px; font-size: 13px; display: flex; align-items: center; gap: 8px; min-width: 240px; animation: slideIn 0.3s ease; }
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--info); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ========== 移动端 ========== */
.mobile-menu-btn { display: none; width: 36px; height: 36px; border-radius: var(--radius-sm); align-items: center; justify-content: center; }
.mobile-menu-btn svg { width: 22px; height: 22px; fill: var(--text); }
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .zone-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); }
  .main { margin-left: 0; }
  .mobile-menu-btn { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .zone-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .content { padding: 16px; }
  .header { padding: 0 16px; }
  .header-user .name { display: none; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .zone-grid { grid-template-columns: 1fr; }
}