/* ============================================================
   监测技术云空间 — 统一设计系统 (Common CSS)
   浅色清爽风 · 纯手写 · 零依赖
   ============================================================ */

/* -------------------- CSS Variables -------------------- */
:root {
  --primary: #2563eb;
  --primary-light: #dbeafe;
  --primary-dark: #1e40af;
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;

  --success: #16a34a;
  --success-light: #dcfce7;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --info: #0891b2;
  --info-light: #cffafe;

  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --surface: #ffffff;
  --border: #e2e8f0;
  --border-light: #f1f5f9;

  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;

  --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 rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;

  --sidebar-width: 220px;
  --topbar-height: 56px;
  --footer-height: 42px;

  --transition: 0.2s ease;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}

/* -------------------- Reset -------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; display: block; }

input, select, textarea, button {
  font-family: inherit;
  font-size: inherit;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* -------------------- Layout Helpers -------------------- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-xs { gap: 4px; }
.gap-sm { gap: 8px; }
.gap { gap: 12px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }

/* -------------------- Card -------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title .icon {
  width: 20px;
  color: var(--primary);
  font-size: 16px;
}

/* -------------------- Stat Card (指标卡片) -------------------- */
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  transition: all var(--transition);
  cursor: default;
}
.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--primary-light);
}
.stat-card .stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 10px;
}
.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.stat-card .stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.stat-card .stat-change {
  font-size: 12px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.stat-card .stat-change.up { color: var(--danger); }
.stat-card .stat-change.down { color: var(--success); }
.stat-card .stat-change.neutral { color: var(--text-muted); }

/* Icon colors per type */
.stat-card.type-settlement .stat-icon { background: var(--primary-light); color: var(--primary); }
.stat-card.type-tilt .stat-icon { background: var(--warning-light); color: var(--warning); }
.stat-card.type-vibration .stat-icon { background: var(--danger-light); color: var(--danger); }
.stat-card.type-general .stat-icon { background: var(--success-light); color: var(--success); }

/* -------------------- Buttons -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  user-select: none;
}
.btn:hover {
  background: var(--bg-alt);
  border-color: var(--text-muted);
}
.btn:active { transform: scale(0.97); }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
}

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.btn-success:hover { background: #15803d; border-color: #15803d; }

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.btn-danger:hover { background: #b91c1c; border-color: #b91c1c; }

.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }

.btn-group { display: inline-flex; gap: 1px; }
.btn-group .btn {
  border-radius: 0;
  margin: 0 -1px 0 0;
}
.btn-group .btn:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.btn-group .btn:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.btn-group .btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* -------------------- Badge -------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 99px;
  background: var(--bg-alt);
  color: var(--text-secondary);
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--info-light); color: var(--info); }

/* -------------------- Form -------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}
.form-input {
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.form-input::placeholder { color: var(--text-muted); }
.form-input.error { border-color: var(--danger); }
.form-input-sm { padding: 4px 8px; font-size: 12px; }

/* -------------------- Alert -------------------- */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  border: 1px solid;
}
.alert-error {
  background: var(--danger-light);
  color: var(--danger);
  border-color: #fecaca;
}
.alert-success {
  background: var(--success-light);
  color: var(--success);
  border-color: #bbf7d0;
}
.alert-info {
  background: var(--info-light);
  color: var(--info);
  border-color: #a5f3fc;
}

/* -------------------- Spinner -------------------- */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }
.spinner-white { border-color: rgba(255,255,255,0.3); border-top-color: #fff; }

@keyframes spin { to { transform: rotate(360deg); } }

/* -------------------- Pulse (live indicator) -------------------- */
.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
  position: relative;
}
.pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.4;
  animation: pulse-ring 1.5s ease-out infinite;
}
.pulse-danger { background: var(--danger); }
.pulse-danger::after { background: var(--danger); }

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.4; }
  100% { transform: scale(2.5); opacity: 0; }
}

/* -------------------- Modal -------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}
.modal, .modal-box {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  animation: slideUp 0.25s ease;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  line-height: 1;
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}

/* -------------------- 项目管理模态窗 -------------------- */
.pm-modal { padding: 0; } /* modal-header+info-bar inside sticky, no top padding */
.pm-sticky-header {
  position: sticky; top: 0; z-index: 10;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.pm-sticky-header .modal-header {
  padding: 12px 20px; border-bottom: none;
  flex-wrap: nowrap; gap: 12px;
}
.pm-header-actions {
  display: flex; align-items: center; gap: 8px;
  flex-shrink: 0;
}
.pm-header-actions .btn-sm { font-size: 12px; padding: 4px 12px; white-space: nowrap; }
.pm-header-actions .modal-close { margin-left: 4px; }
.pm-sticky-header .pm-info-bar {
  display: flex; flex-wrap: wrap; gap: 6px 24px;
  padding: 8px 20px 12px;
  margin-bottom: 0; border-radius: 0;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border-light);
  font-size: 13px;
}
.pm-sticky-header .pm-info-item { display: inline-flex; }
.pm-info-bar {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px,1fr));
  gap: 10px;
  padding: 12px 16px;
  background: var(--primary-50);
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
}
.pm-info-item { display: flex; align-items: center; gap: 6px; }
.pm-info-item .pm-label { color: var(--text-muted); white-space: nowrap; }
.pm-info-item .pm-value { color: var(--text); font-weight: 500; }
.pm-section { margin-top: 16px; }
.pm-section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; font-weight: 600; font-size: 14px;
}
.pm-item-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 10px;
  transition: border-color var(--transition);
}
.pm-item-card:hover { border-color: var(--primary); }
.pm-item-header {
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer;
}
.pm-item-title { font-weight: 600; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.pm-item-meta { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.pm-item-actions { display: flex; gap: 6px; }
.pm-item-badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 10px; font-weight: 600;
}
.pm-badge-auto { background: var(--info-light); color: var(--info); }
.pm-badge-manual { background: var(--warning-light); color: var(--warning); }
.pm-item-subs {
  display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px;
}
.pm-sub-tag {
  background: var(--bg-alt); padding: 2px 8px; border-radius: 4px;
  font-size: 11px; color: var(--text-secondary);
}
.pm-device-list { margin-top: 8px; font-size: 12px; }
.pm-device-row {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 8px; background: var(--bg); border-radius: 4px;
  margin-top: 4px;
}
/* 编辑按钮 */
.btn-edit {
  font-size: 11px; padding: 4px 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--warning); color: var(--warning);
  background: var(--surface); cursor: pointer;
}
.btn-edit:hover { background: var(--warning-light); }
/* 编辑面板 */
.pm-edit-panel {
  background: var(--bg-alt); border-radius: var(--radius-sm);
  padding: 16px; margin-top: 12px;
  border-left: 3px solid var(--primary);
}
.pm-edit-title {
  font-weight: 600; font-size: 13px; margin-bottom: 12px;
  color: var(--text-primary);
}
.pm-edit-row {
  margin-bottom: 12px; display: flex; align-items: center; flex-wrap: wrap;
}
.pm-edit-label {
  font-size: 12px; font-weight: 600; color: var(--text-secondary);
  margin-right: 8px; min-width: 60px;
}
.pm-edit-subs {
  display: flex; flex-wrap: wrap; gap: 4px;
}
.pm-edit-devices {
  margin-top: 12px; padding-top: 12px;
  border-top: 1px solid var(--border-light);
}
.pm-edit-device-list {
  margin-bottom: 6px;
}
.pm-points-section { margin-top: 10px; }
.pm-points-toggle {
  font-size: 12px; color: var(--primary); cursor: pointer;
  user-select: none; display: inline-flex; align-items: center; gap: 4px;
}
.pm-points-table {
  width: 100%; margin-top: 8px; border-collapse: collapse; font-size: 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden;
}
.pm-points-table th {
  background: var(--bg-alt); text-align: left; padding: 8px 10px;
  font-weight: 600; color: var(--text-secondary);
}
.pm-points-table td { padding: 8px 10px; border-top: 1px solid var(--border-light); }
.pm-points-table tr:hover td { background: var(--primary-50); }
.pm-status-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px;
}
.pm-status-normal { background: var(--success); }
.pm-status-warning { background: var(--warning); }
.pm-status-danger { background: var(--danger); }
.btn-curve {
  font-size: 11px; padding: 4px 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--primary); color: var(--primary);
  background: var(--surface); cursor: pointer;
}
.btn-curve:hover { background: var(--primary-50); }
.pm-add-section {
  border: 2px dashed var(--primary-light); border-radius: var(--radius-lg);
  padding: 16px; margin-bottom: 16px; background: var(--primary-50);
}
.pm-add-header {
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 600; font-size: 14px; margin-bottom: 12px;
}

/* -------------------- 测点曲线模态窗 -------------------- */
.pc-range-btns { display: flex; gap: 4px; }
.btn-range {
  padding: 4px 10px; font-size: 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-secondary); cursor: pointer;
}
.btn-range.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-range:hover:not(.active) { border-color: var(--primary); color: var(--primary); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* -------------------- Table -------------------- */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th,
.data-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}
.data-table thead th {
  background: var(--bg-alt);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  z-index: 1;
}
.data-table tbody tr:hover { background: var(--primary-50); }
.data-table input {
  width: 100%;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 13px;
}
.data-table input:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 2px var(--primary-light);
}

/* -------------------- Step Indicator -------------------- */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0;
  gap: 0;
}
.step {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 13px;
}
.step .step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  border: 2px solid var(--border);
  background: var(--surface);
  transition: all var(--transition);
}
.step.active { color: var(--primary); font-weight: 600; }
.step.active .step-num {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  animation: pulse-ring 2s ease-out infinite;
}
.step.done { color: var(--success); }
.step.done .step-num {
  border-color: var(--success);
  background: var(--success);
  color: #fff;
}
.step-line {
  width: 60px;
  height: 2px;
  background: var(--border);
  margin: 0 8px;
  transition: background var(--transition);
}
.step-line.done { background: var(--success); }
.step-line.active { background: var(--primary); }

/* -------------------- Tag (胶囊标签) -------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 12px;
  border-radius: 99px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
  gap: 4px;
}
.tag:hover { border-color: var(--primary); color: var(--primary); }
.tag.selected {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* -------------------- Empty State -------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  color: var(--text-muted);
  text-align: center;
}
.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}
.empty-state p { font-size: 14px; }

/* -------------------- Responsive -------------------- */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .stat-card .stat-value { font-size: 22px; }
  .card { padding: 12px; }
  .btn { padding: 6px 12px; font-size: 13px; }
}

@media (min-width: 769px) {
  .show-mobile { display: none !important; }
}

/* -------------------- Monitor Item Tree (新建项目) -------------------- */
.monitor-parent {
  border-bottom: 1px solid var(--border-light);
}
.monitor-parent:last-child {
  border-bottom: none;
}
.monitor-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: background var(--transition);
  user-select: none;
}
.monitor-label:hover {
  background: var(--primary-50);
}
.monitor-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--primary);
}
/* 父项disabled但仍然显示勾选状态 */
.monitor-label input[type="checkbox"]:disabled {
  cursor: default;
  opacity: 1;
}
.monitor-label input[type="checkbox"]:disabled:checked {
  accent-color: var(--primary);
}
/* disabled的父项标签不触发hover */
.monitor-parent:has(input:disabled) .monitor-label:hover {
  background: transparent;
}
.monitor-subs {
  padding: 0 14px 8px 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  transition: max-height 0.3s ease, opacity 0.2s ease, padding 0.2s ease;
  max-height: 200px;
  opacity: 1;
}
.monitor-subs.collapsed {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
}
.monitor-sub-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 2px 0;
  transition: color var(--transition);
}
.monitor-sub-label:hover {
  color: var(--primary);
}
.monitor-sub-label input[type="checkbox"] {
  width: 14px;
  height: 14px;
  cursor: pointer;
  accent-color: var(--primary);
}

/* -------------------- Auto Monitor: disabled items (二期) -------------------- */
.monitor-parent.auto-hidden {
  display: none;
}
.monitor-parent.auto-disabled {
  opacity: 0.45;
  pointer-events: none;
}
.monitor-parent .item-badge-future {
  display: none;
}
.monitor-parent.auto-disabled .item-badge-future {
  display: inline-block;
  font-size: 11px;
  background: var(--border);
  color: var(--text-muted);
  padding: 1px 6px;
  border-radius: 10px;
  margin-left: 6px;
}

/* -------------------- Device Binding Area -------------------- */
#deviceBindingArea {
  display: none;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: var(--primary-50);
  padding: 14px 16px;
  margin-top: 12px;
}
#deviceBindingArea.visible {
  display: block;
}
.device-binding-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}
.device-binding-row {
  display: grid;
  grid-template-columns: 100px 1fr 1fr;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
  padding: 8px 10px;
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}
.device-binding-row:last-child {
  margin-bottom: 0;
}
.device-binding-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}
.device-binding-row input {
  padding: 5px 8px;
  font-size: 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  outline: none;
}
.device-binding-row input:focus {
  border-color: var(--primary);
}
/* 设备组容器 + 添加按钮 */
.device-binding-group {
  margin-bottom: 10px;
  padding: 10px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
}
.device-binding-group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.device-binding-group-items .device-binding-row {
  margin-bottom: 4px;
  padding: 6px 8px;
  grid-template-columns: 80px 1fr 1fr 24px;
}
.device-binding-group-items .device-binding-row:last-of-type {
  margin-bottom: 0;
}
.device-add-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  color: var(--primary);
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: 4px;
  padding: 3px 8px;
  cursor: pointer;
  transition: background 0.15s;
}
.device-add-btn:hover {
  background: var(--primary-100);
}
.device-remove-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 12px;
  color: #dc2626;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.15s;
}
.device-remove-btn:hover {
  background: #fee2e2;
}

/* -------------------- Sidebar Tree (侧边栏监测项目树) -------------------- */
.sidebar-tree-parent {
  cursor: pointer;
  user-select: none;
}
.sidebar-tree-parent .tree-arrow {
  display: inline-block;
  width: 14px;
  font-size: 10px;
  transition: transform 0.2s ease;
  color: var(--text-muted);
}
.sidebar-tree-parent.expanded .tree-arrow {
  transform: rotate(90deg);
}
.sidebar-tree-subs {
  overflow: hidden;
  transition: max-height 0.25s ease, opacity 0.2s ease;
  max-height: 0;
  opacity: 0;
}
.sidebar-tree-subs.open {
  max-height: 300px;
  opacity: 1;
}
.sidebar-tree-sub {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px 5px 38px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-tree-sub::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}
.sidebar-tree-sub:hover {
  color: var(--primary);
  background: var(--primary-50);
}
.sidebar-tree-sub.active {
  color: var(--primary);
  font-weight: 600;
}

@media (max-width: 1024px) {
  :root { --sidebar-width: 0px; }
}

/* ====== User Menu (Topbar Dropdown) ====== */
.user-menu { position: relative; z-index: 200; }
.user-menu-trigger {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  color: #fff; padding: 6px 10px; border-radius: 8px;
  cursor: pointer; font-size: 13px; transition: background 0.2s;
}
.user-menu-trigger:hover { background: rgba(255,255,255,0.2); }
.user-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,0.2); display: flex; align-items: center;
  justify-content: center; font-size: 14px;
}
.user-arrow { font-size: 10px; transition: transform 0.2s; }
.user-menu.open .user-arrow { transform: rotate(180deg); }

.user-dropdown {
  position: absolute; right: 0; top: calc(100% + 6px);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  min-width: 200px; z-index: 200; overflow: hidden;
  animation: fadeIn 0.15s ease;
}
.dropdown-user-info {
  padding: 12px 16px 8px; font-size: 13px;
}
.dropdown-user-info strong { color: var(--text); font-size: 14px; }
.dropdown-role {
  display: inline-block; margin-top: 2px; font-size: 11px;
  padding: 1px 8px; border-radius: 99px;
  background: var(--primary-light); color: var(--primary);
}
.dropdown-role.role-system_admin { background: #fef3c7; color: #92400e; }
.dropdown-role.role-admin { background: #d1fae5; color: #065f46; }
.dropdown-role.role-site_manager { background: #ede9fe; color: #5b21b6; }
.dropdown-role.role-vip { background: #dbeafe; color: #1e40af; }

.dropdown-divider { height: 1px; background: var(--border-light); margin: 4px 0; }
.dropdown-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 10px 16px;
  background: none; border: none; cursor: pointer;
  font-size: 13px; color: var(--text-secondary); text-align: left;
  transition: background 0.15s;
}
.dropdown-item:hover { background: var(--bg); color: var(--text); }
.dropdown-item-danger:hover { background: #fef2f2; color: #dc2626; }

/* Click-away close */
.user-menu-backdrop {
  position: fixed; inset: 0; z-index: 199;
}

/* ====== 监测数据录入模态窗（两栏布局） ====== */
.de-modal {
  width: 92vw;
  max-width: 1500px;
  height: 88vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.de-modal .modal-header { flex-shrink: 0; }
.de-modal .modal-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.de-modal.maximized {
  width: 100vw !important;
  height: 100vh !important;
  max-width: none !important;
  max-height: none !important;
  border-radius: 0 !important;
  margin: 0 !important;
}
.de-modal.maximized .modal-header { padding: 8px 16px; }
.de-modal.maximized .modal-body { height: calc(100vh - 44px); }
.de-modal.maximized .de-layout { height: 100%; }

/* 顶部信息栏 */
.de-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
  min-height: 38px;
}
.de-topbar .de-info {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.de-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 0;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

/* ── Shang Zuo Lan: Ce Dian + Lu Ru ── */
.de-left-v2 {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 480px;
  min-height: 0;
}
.de-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}
.de-toolbar .btn { font-size: 12px; padding: 4px 10px; }

/* Pi Liang Mian Ban */
.de-batch-panel {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--primary-50);
  border-bottom: 1px solid var(--primary-light);
  flex-wrap: wrap;
  flex-shrink: 0;
  font-size: 11px;
}
/* 传感器配置面板：隐藏数字输入框的上下箭头 */
#deSensorEditPanel input[type="number"]::-webkit-outer-spin-button,
#deSensorEditPanel input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
#deSensorEditPanel input[type="number"] {
  -moz-appearance: textfield;
}
/* 参数面板：隐藏数字输入框的上下箭头 */
.de-batch-panel input[type="number"]::-webkit-outer-spin-button,
.de-batch-panel input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.de-batch-panel input[type="number"] {
  -moz-appearance: textfield;
}
}

/* Hang ji huo */
.de-entry-row {
  user-select: none;
  -webkit-user-select: none;
}
.de-entry-row:hover td {
  background: rgba(37,99,235,0.06);
}
.de-entry-row.de-row-active td {
  background: rgba(37,99,235,0.06) !important;
}
/* 多传感器行样式 */
.de-sensor-row td {
  font-size: 11px;
}
.de-sensor-row td.pt-name { visibility: hidden; }
.de-summary-row { background: rgba(59,130,246,0.04) !important; }
.de-summary-row:hover { background: rgba(59,130,246,0.08) !important; }
.de-entry-row.de-summary-row.de-row-active td { background: rgba(59,130,246,0.12) !important; }
/* 隐藏后续传感器行的测点名（备用） */
.de-col-hidden { visibility: hidden; }
/* Shou Ce dian: hong se zi ti, fei shou ce: hei se */
.de-entry-v2 td.pt-name {
  font-family: monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
}
.de-entry-v2 td.pt-name.pt-first {
  color: #dc2626;
}

/* Lu Ru Biao Ge */
.de-entry-v2-wrap {
  flex: 1;
  overflow: auto;
}
.de-entry-v2 {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.de-entry-v2 th {
  position: sticky;
  top: 0;
  background: var(--bg-alt);
  padding: 2px 4px;
  text-align: center;
  font-weight: 600;
  font-size: 11px;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  z-index: 1;
  white-space: nowrap;
}
.de-entry-v2 thead tr:first-child th { top: 0;     z-index: 3; }
.de-entry-v2 thead tr:last-child  th { top: 17px;  z-index: 2; }
.de-entry-v2 tbody tr:first-child td { padding-top: 2px; }
.de-entry-v2 td {
  padding: 2px 4px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}
.de-entry-v2 input {
  width: 100%;
  padding: 2px 4px;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 12px;
  /* 隐藏 number 箭头腾出空间给数字 */
  -moz-appearance: textfield;
}
.de-entry-v2 input::-webkit-outer-spin-button,
.de-entry-v2 input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
  text-align: center;
  outline: none;
}
.de-entry-v2 input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-light);
}
.de-entry-v2 input.locked {
  background: var(--bg-alt);
  color: var(--text-muted);
  pointer-events: none;
}
.de-entry-v2 input.calc-result {
  background: var(--primary-50);
  border-color: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  pointer-events: none;
}
.de-entry-v2 .calc-cell {
  font-weight: 600;
  font-size: 11px;
  padding: 4px 2px;
}
.de-entry-v2 .calc-cell.warn {
  color: var(--danger);
  background: var(--danger-light);
}
.de-entry-footer {
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.de-entry-footer .de-status {
  font-size: 12px;
  color: var(--text-muted);
}
.de-entry-footer .de-status.error { color: var(--danger); }
.de-entry-footer .de-status.success { color: var(--success); }

/* ── Shang You Lan: Li Shi Ji Lu ── */
.de-mid-v2 {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  min-height: 0;
}

/* ── Xia Lan: Bian Hua Qu Xian ── */
.de-right-v2 {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-top: 1px solid var(--border);
  min-height: 280px;
}
.de-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.de-history-header span:first-child {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

/* Li Shi Ji Lu Biao */
.de-history-table-wrap-v2 {
  flex: 1;
  overflow: auto;
  border-bottom: 1px solid var(--border);
}
.de-history-table-v2 {
  min-width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  font-size: 12px;
  white-space: nowrap;
}
.de-history-table-v2 th {
  position: sticky;
  top: 0;
  background: var(--bg-alt);
  padding: 2px 3px;
  text-align: center;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  font-size: 11px;
  z-index: 1;
  cursor: pointer;
  user-select: none;
}
.de-history-table-v2 td {
  padding: 2px 3px;
}
.de-history-table-v2 thead tr:first-child th { top: 0;     z-index: 3; }
.de-history-table-v2 thead tr:nth-child(2) th { top: 17px;  z-index: 2; }
.de-history-table-v2 th:hover { color: var(--primary); }
.de-history-table-v2 th.sort-asc::after  { content: ' ▲'; font-size: 9px; color: var(--primary); }
.de-history-table-v2 th.sort-desc::after { content: ' ▼'; font-size: 9px; color: var(--primary); }
.de-history-table-v2 td {
  padding: 2px 4px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}
.de-history-table-v2 tbody tr:hover td { background: var(--primary-50); }
/* 多选高亮行 */
.de-history-table-v2 .de-hist-row { cursor: pointer; user-select: none; }
.de-history-table-v2 .de-hist-row:hover td { background: rgba(37,99,235,0.06) !important; }
.de-history-table-v2 .de-hist-row.hist-first { color: #dc2626; }
.de-history-table-v2 .de-hist-row.de-hist-sel td { background: rgba(37,99,235,0.06) !important; }
.de-history-table-v2 .de-hist-date-row td { background: #f8fafc; color: var(--text-muted); font-size: 12px; font-weight: 600; padding: 3px 0; cursor: default; user-select: none; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
.de-history-table-v2 .de-hist-date-row + .de-hist-row td { border-top: none; }
.de-history-table-v2 .de-hist-sensor-detail td { padding: 4px 12px 8px !important; }
.de-history-table-v2 .de-hist-sensor-detail table { width: 100%; border-collapse: collapse; font-size: 11px; color: var(--text-muted); }
.de-history-table-v2 .de-hist-sensor-detail table td { padding: 2px 8px !important; background: transparent !important; }
/* 可编辑单元格（仅系统管理员） */
.de-history-table-v2 td.editable-cell { cursor: cell; }
.de-history-table-v2 td.editable-cell:hover { background: rgba(37,99,235,0.08) !important; }
.de-entry-v2 td.editable-cell { cursor: cell; font-size: 11px; }
.de-entry-v2 td.editable-cell:hover { background: rgba(37,99,235,0.08) !important; }
.de-hist-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  background: #eff6ff;
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
  font-size: 11px;
}
.de-history-table-v2 .hist-btn {
  font-size: 11px;
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #fff;
  cursor: pointer;
  color: var(--text-secondary);
  margin: 0 2px;
}
.de-history-table-v2 .hist-btn:hover { border-color: var(--primary); color: var(--primary); }
.de-history-table-v2 .hist-btn.danger:hover { border-color: var(--danger); color: var(--danger); }
.de-history-table-v2 td.editable {
  cursor: pointer;
  padding: 2px 4px;
}
.de-history-table-v2 td.editable:hover { background: #e8f0fe; }
.de-history-table-v2 td input.edit-input {
  width: 100%;
  padding: 2px 4px;
  border: 1px solid var(--primary);
  border-radius: 2px;
  font-size: 11px;
  text-align: center;
  outline: none;
}

/* Qu Xian Qu */
.de-chart-wrap {
  flex: 1;
  min-height: 250px;
  overflow: visible;
  padding: 8px;
}
.de-chart-wrap > div {
  width: 100%;
  height: 100%;
}

.de-history-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 6px;
  border-top: 1px solid var(--border-light);
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.de-history-pagination .btn { font-size: 11px; padding: 2px 10px; }

/* Xiang Ying Shi */
@media (max-width: 900px) {
  .de-modal { width: 100vw; height: 100vh; max-width: none; }
  .de-layout { grid-template-columns: 1fr; }
  .de-mid-v2, .de-right-v2 { display: none; }
}

/* ==============================
   曲线卡片 — 多选下拉选择器
   ============================== */
.ms-select {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: 11px;
}
.ms-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 11px;
  white-space: nowrap;
  transition: border-color .15s;
}
.ms-trigger:hover { border-color: var(--primary-500); color: var(--text); }
.ms-trigger .ms-caret { font-size: 8px; margin-left: 2px; opacity: .5; }
.ms-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px; height: 16px;
  padding: 0 4px;
  border-radius: 8px;
  background: var(--primary-600);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
}
.ms-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 180px;
  max-height: 260px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  z-index: 1050;
  display: none;
  padding: 4px 0;
}
.ms-dropdown.open { display: block; }
.ms-dropdown .ms-actions {
  display: flex;
  gap: 4px;
  padding: 4px 8px;
  border-bottom: 1px solid var(--border-light);
}
.ms-dropdown .ms-actions button {
  flex: 1;
  padding: 2px 6px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg);
  color: var(--text-muted);
  font-size: 10px;
  cursor: pointer;
}
.ms-dropdown .ms-actions button:hover { background: var(--primary-50); color: var(--primary-600); }
.ms-dropdown label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
  transition: background .1s;
}
.ms-dropdown label:hover { background: var(--bg); }
.ms-dropdown label input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--primary-600);
  cursor: pointer;
  flex-shrink: 0;
}
.ms-clear-btn {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border: none;
  border-radius: 3px;
  background: transparent;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  opacity: .6;
  transition: opacity .15s;
}
.ms-clear-btn:hover { opacity: 1; color: var(--primary-600); }

/* 单位切换按钮组 */
.unit-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.unit-btn {
  padding: 2px 8px;
  border: none;
  background: var(--bg);
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  transition: all .15s;
}
.unit-btn:first-child { border-right: 1px solid var(--border); }
.unit-btn.active {
  background: var(--primary-600);
  color: #fff;
}
.unit-btn:hover:not(.active) { background: var(--primary-50); color: var(--primary-600); }

/* 测斜曲线本次/累计切换按钮 */
.mode-btn {
  padding: 2px 8px;
  border: none;
  background: var(--bg);
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  transition: all .15s;
}
.mode-btn:first-child { border-right: 1px solid var(--border); }
.mode-btn.active {
  background: var(--primary-600);
  color: #fff;
}
.mode-btn:hover:not(.active) { background: var(--primary-50); color: var(--primary-600); }

/* 曲线卡片头部右侧容器（切换按钮+筛选器） */
.curve-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 曲线选择器容器 */
.curve-selectors {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-left: auto;
}