/* ============================================================
   WB IoT 设备管理平台 - 品牌设计系统
   基于 WB Logo 蓝色调 · 2026-06
   ============================================================ */

/* ===== Design Tokens ===== */
:root {
  /* Brand Colors (from WB logo) */
  --wb-primary:        #2563EB;
  --wb-primary-light:  #3B82F6;
  --wb-primary-dark:   #1D4ED8;
  --wb-accent:         #06B6D4;
  --wb-gradient:       linear-gradient(135deg, #2563EB, #06B6D4);

  /* Semantic */
  --wb-success:  #10B981;
  --wb-warning:  #F59E0B;
  --wb-danger:   #EF4444;

  /* Neutrals */
  --wb-bg:           #F1F5F9;
  --wb-surface:      #FFFFFF;
  --wb-border:       #E2E8F0;
  --wb-border-light: #F1F5F9;
  --wb-text:         #1E293B;
  --wb-text-secondary: #64748B;
  --wb-text-muted:   #94A3B8;

  /* Shadows */
  --wb-shadow-sm:    0 1px 2px rgba(0,0,0,.04);
  --wb-shadow-md:    0 4px 12px rgba(0,0,0,.07);
  --wb-shadow-lg:    0 12px 32px rgba(0,0,0,.10);
  --wb-shadow-blue:  0 4px 16px rgba(37,99,235,.20);
  --wb-shadow-blue-lg: 0 8px 28px rgba(37,99,235,.30);

  /* Radius */
  --wb-r: 12px;
  --wb-r-sm: 8px;
  --wb-r-xs: 6px;
  --wb-r-full: 9999px;
}

/* ===== Global Reset for Dashboard ===== */
#dashboardPage,
#loginPage {
  font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ==================== 登录页 ==================== */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(37,99,235,.08) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(6,182,212,.05) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(37,99,235,.04) 0%, transparent 45%),
    linear-gradient(160deg, #F8FAFC 0%, #EFF6FF 40%, #F0F9FF 100%);
  position: relative;
  overflow: hidden;
}

/* 装饰性背景网格 */
.login-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.login-card {
  background: var(--wb-surface);
  border-radius: 24px;
  padding: 44px 40px;
  width: 400px;
  max-width: 90vw;
  box-shadow: var(--wb-shadow-lg), 0 0 0 1px rgba(37,99,235,.06);
  position: relative;
  z-index: 1;
  overflow: hidden;
}


.login-card-header {
  text-align: center;
  margin-bottom: 36px;
}

.login-card-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  margin-bottom: 18px;
}

.login-card-header h2 {
  color: var(--wb-text);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.login-card-header p {
  color: var(--wb-text-muted);
  font-size: 13px;
}

/* Login Form */
.login-form .form-group {
  margin-bottom: 22px;
}

.login-form label {
  display: block;
  color: var(--wb-text-secondary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}

.login-form input {
  width: 100%;
  padding: 12px 14px;
  background: var(--wb-bg);
  border: 1.5px solid var(--wb-border);
  border-radius: var(--wb-r-sm);
  color: var(--wb-text);
  font-size: 14.5px;
  outline: none;
  transition: all .2s ease;
}

.login-form input::placeholder { color: var(--wb-text-muted); }

.login-form input:focus {
  border-color: var(--wb-primary);
  background: var(--wb-surface);
  box-shadow: 0 0 0 3px rgba(37,99,235,.10);
}

.login-submit {
  width: 100%;
  padding: 13px;
  background: var(--wb-gradient);
  color: white;
  border: none;
  border-radius: var(--wb-r);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 6px;
  transition: all .25s ease;
  box-shadow: var(--wb-shadow-blue);
  position: relative;
  overflow: hidden;
}

.login-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--wb-shadow-blue-lg);
}

.login-submit:active {
  transform: translateY(0);
}

.login-error {
  display: none;
  color: var(--wb-danger);
  font-size: 13px;
  text-align: center;
  margin-bottom: 16px;
  padding: 11px 14px;
  background: rgba(239,68,68,.05);
  border: 1px solid rgba(239,68,68,.12);
  border-radius: var(--wb-r-sm);
}
.login-error.show { display: block; }

/* ==================== Dashboard Shell ==================== */

#dashboardPage { display: none; background: var(--wb-bg); min-height: 100vh; }

/* ---- Sidebar ---- */
.sidebar {
  width: 160px;
  background: var(--wb-surface);
  border-right: 1px solid var(--wb-border-light);
  height: 100vh;
  position: fixed;
  top: 0; left: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  box-shadow: 2px 0 12px rgba(0,0,0,.03);
}

.sidebar-header {
  padding: 22px 20px;
  border-bottom: 1px solid var(--wb-border-light);
}

.sidebar-welcome {
  font-size: 12px;
  color: var(--wb-text-secondary);
  text-align: center;
  margin-bottom: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  vertical-align: middle;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.08));
}

.brand-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--wb-text);
  letter-spacing: -.02em;
}

/* Navigation Menu */
.nav-menu {
  flex: 1;
  padding: 14px 12px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--wb-r-sm);
  color: var(--wb-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 3px;
  transition: all .2s ease;
  position: relative;
}

.nav-item .nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-item .nav-icon svg {
  width: 19px;
  height: 19px;
  opacity: .7;
  transition: opacity .2s;
}

.nav-item:hover {
  background: var(--wb-bg);
  color: var(--wb-text);
}

.nav-item:hover .nav-icon svg { opacity: 1; }

.nav-item.active {
  background: rgba(37,99,235,.07);
  color: var(--wb-primary);
  font-weight: 600;
  border: 1px solid rgba(37,99,235,.10);
}

.nav-item.active .nav-icon svg {
  opacity: 1;
  color: var(--wb-primary);
}

/* Sidebar Footer User */
.sidebar-footer {
  padding: 10px 12px;
  border-top: 1px solid var(--wb-border-light);
}
.sidebar-footer .nav-item {
  margin-bottom: 2px;
}
.sidebar-footer .nav-item:last-child {
  margin-bottom: 0;
}
/* 退出登录 - 红色危险操作悬停 */
.sidebar-footer .nav-item-danger:hover {
  background: rgba(239,68,68,0.08);
  color: #EF4444;
}
.sidebar-footer .nav-item-danger:hover .nav-icon svg {
  color: #EF4444;
}

.user-info-side {
  display: flex;
  align-items: center;
  gap: 11px;
}

.user-avatar-sm {
  width: 38px;
  height: 38px;
  border-radius: var(--wb-r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.avatar-blue {
  background: var(--wb-gradient);
  box-shadow: 0 2px 10px rgba(37,99,235,.20);
}

.user-details-side h4 {
  color: var(--wb-text);
  font-size: 13px;
  font-weight: 600;
}
.user-details-side p {
  color: var(--wb-text-muted);
  font-size: 11px;
}

/* ---- Main Content Area ---- */
.main-content {
  margin-left: 160px;
  padding: 32px 36px;
  min-height: 100vh;
  background: var(--wb-bg);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.page-title {
  color: var(--wb-text);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.02em;
}

/* ==================== 按钮系统 ==================== */

/* Secondary Button (outline) */
.btn-secondary {
  padding: 9px 18px;
  background: var(--wb-surface);
  border: 1.5px solid var(--wb-border);
  border-radius: var(--wb-r-sm);
  color: var(--wb-text-secondary);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: all .2s ease;
  font-weight: 500;
}
.btn-secondary:hover {
  border-color: var(--wb-primary-light);
  color: var(--wb-primary);
  background: rgba(37,99,235,.03);
}

/* Primary Action Button */
.btn-read {
  padding: 9px 20px;
  background: var(--wb-gradient);
  color: white;
  border: none;
  border-radius: var(--wb-r-sm);
  font-size: 13px;
  cursor: pointer;
  font-weight: 600;
  transition: all .2s ease;
  box-shadow: var(--wb-shadow-blue);
}
.btn-read:hover {
  transform: translateY(-1px);
  box-shadow: var(--wb-shadow-blue-lg);
}
.btn-read:disabled {
  opacity: .5; cursor: not-allowed;
  transform: none; box-shadow: none;
}

/* Small Save Button */
.btn-save {
  padding: 7px 16px;
  background: var(--wb-gradient);
  color: white;
  border: none;
  border-radius: var(--wb-r-xs);
  font-size: 12px;
  cursor: pointer;
  font-weight: 600;
  transition: all .2s ease;
  box-shadow: 0 2px 8px rgba(37,99,235,.15);
}
.btn-save:hover {
  box-shadow: 0 4px 14px rgba(37,99,235,.25);
  transform: translateY(-1px);
}

/* Batch Config Button (Purple accent) */
.btn-batch {
  padding: 9px 20px;
  background: linear-gradient(135deg, #7C3AED, #6D28D9);
  color: white;
  border: none;
  border-radius: var(--wb-r-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(124,58,237,.18);
}
.btn-batch:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(124,58,237,.30);
}
.btn-batch:disabled {
  background: var(--wb-border); color: var(--wb-text-muted);
  cursor: not-allowed; box-shadow: none; transform: none;
}

.btn-batch-submit {
  padding: 10px 28px;
  background: linear-gradient(135deg, #7C3AED, #6D28D9);
  color: white; border: none;
  border-radius: var(--wb-r-sm);
  font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all .2s;
  box-shadow: 0 4px 12px rgba(124,58,237,.18);
}
.btn-batch-submit:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(124,58,237,.30);
  transform: translateY(-1px);
}
.btn-batch-submit:disabled {
  background: var(--wb-border); color: var(--wb-text-muted);
  cursor: not-allowed; box-shadow: none;
}

/* Change Password Button */
.btn-change-pwd {
  display: block; width: 100%; padding: 9px 12px; margin-top: 10px;
  background: transparent; border: 1.5px dashed var(--wb-border);
  border-radius: var(--wb-r-xs);
  color: var(--wb-text-muted);
  font-size: 12px; cursor: pointer;
  transition: all .2s; font-weight: 500;
}
.btn-change-pwd:hover {
  border-color: var(--wb-primary-light);
  color: var(--wb-primary);
  background: rgba(37,99,235,.03);
  border-style: solid;
}

/* ==================== 统计卡片 ==================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}

.stat-card {
  background: var(--wb-surface);
  border: 1px solid var(--wb-border);
  border-radius: var(--wb-r);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: all .25s ease;
  box-shadow: var(--wb-shadow-sm);
  position: relative;
  overflow: hidden;
}

/* 左侧彩色条 */
.stat-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  border-radius: 2px 0 0 2px;
  transition: width .2s;
}

.stat-card:nth-child(1)::before { background: var(--wb-primary); }
.stat-card:nth-child(2)::before { background: var(--wb-success); }
.stat-card:nth-child(3)::before { background: var(--wb-warning); }
.stat-card:nth-child(4)::before { background: #8B5CF6; }

.stat-card:hover {
  border-color: rgba(37,99,235,.18);
  box-shadow: var(--wb-shadow-md);
  transform: translateY(-2px);
}

.stat-card:hover::before { width: 4px; }

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--wb-r);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
  position: relative;
}

.stat-icon.blue {
  background: rgba(37,99,235,.07);
  border: 1px solid rgba(37,99,235,.10);
}
.stat-icon.blue svg {
  color: var(--wb-primary);
}

.stat-icon.green {
  background: rgba(16,185,129,.07);
  border: 1px solid rgba(16,185,129,.10);
}
.stat-icon.green svg {
  color: var(--wb-success);
}

.stat-icon.orange {
  background: rgba(245,158,11,.07);
  border: 1px solid rgba(245,158,11,.10);
}
.stat-icon.orange svg {
  color: var(--wb-warning);
}

.stat-icon.purple {
  background: rgba(139,92,246,.07);
  border: 1px solid rgba(139,92,246,.10);
}
.stat-icon.purple svg {
  color: #8B5CF6;
}

.stat-value {
  color: var(--wb-text);
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.02em;
}

.stat-label {
  color: var(--wb-text-muted);
  font-size: 12.5px;
  margin-top: 5px;
  font-weight: 500;
}

/* Section Title */
.section-title {
  color: var(--wb-text);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -.01em;
}

/* ==================== 设备表格 ==================== */

.device-table-wrap {
  overflow-x: auto;
  border-radius: var(--wb-r);
  border: 1px solid var(--wb-border);
  background: var(--wb-surface);
  box-shadow: var(--wb-shadow-sm);
}

.device-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.device-table thead {
  background: var(--wb-bg);
}

.device-table th {
  padding: 13px 16px;
  text-align: left;
  color: var(--wb-text-secondary);
  font-weight: 650;
  white-space: nowrap;
  border-bottom: 1px solid var(--wb-border);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.device-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--wb-border-light);
  color: #334155;
  font-size: 13.5px;
}

.device-table tbody tr {
  cursor: pointer;
  transition: all .15s ease;
}

.device-table tbody tr:hover {
  background: rgba(37,99,235,.035);
}

.device-table tbody tr:last-child td { border-bottom: none; }

/* Status Dot */
.status-dot {
  display: inline-flex;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 7px;
  vertical-align: middle;
  position: relative;
}

.status-dot.on {
  background: var(--wb-success);
  box-shadow: 0 0 8px rgba(16,185,129,.45);
  animation: wbPulse 2.5s ease-in-out infinite;
}
.status-dot.off {
  background: var(--wb-text-muted);
}

@keyframes wbPulse {
  0%, 100% { box-shadow: 0 0 6px rgba(16,185,129,.35); }
  50%      { box-shadow: 0 0 14px rgba(16,185,129,.55); }
}

/* Table Checkbox */
.device-table th:first-child,
.device-table td:first-child {
  width: 38px; text-align: center; padding-left: 14px; padding-right: 4px;
}
.device-table .row-check {
  width: 16px; height: 16px;
  accent-color: var(--wb-primary);
  cursor: pointer;
}

.loading-state {
  text-align: center; padding: 44px;
  color: var(--wb-text-muted);
  font-size: 14px;
}

/* ==================== 筛选栏 ==================== */

.filter-bar {
  display: flex; gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap; align-items: center;
}

.filter-bar input,
.filter-bar select {
  padding: 9px 13px;
  background: var(--wb-surface);
  border: 1.5px solid var(--wb-border);
  border-radius: var(--wb-r-sm);
  color: var(--wb-text);
  font-size: 13px;
  outline: none;
  transition: all .2s;
}
.filter-bar input:focus,
.filter-bar select:focus {
  border-color: var(--wb-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.08);
}
.filter-bar select option {
  background: var(--wb-surface);
  color: var(--wb-text);
}

.page-info {
  color: var(--wb-text-muted);
  font-size: 13px;
}

/* ==================== 模态框 ==================== */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.35);
  backdrop-filter: blur(8px);
  z-index: 100;
  justify-content: center;
  align-items: center;
  padding: 20px;
  overflow-y: auto;
}

.modal-box {
  background: var(--wb-surface);
  border: 1px solid var(--wb-border);
  border-radius: 20px;
  width: 720px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--wb-shadow-lg), 0 0 0 1px rgba(255,255,255,.5);
  display: flex;
  flex-direction: column;
  position: relative;
}


.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 26px;
  border-bottom: 1px solid var(--wb-border-light);
}

.modal-header h2 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--wb-text);
  letter-spacing: -.01em;
}

.modal-close {
  padding: 7px 15px;
  background: var(--wb-bg);
  border: 1px solid var(--wb-border);
  border-radius: var(--wb-r-xs);
  color: var(--wb-text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all .2s;
}
.modal-close:hover {
  background: var(--wb-border);
  color: var(--wb-text);
}

.modal-body {
  padding: 26px;
}

/* ==================== 控制区 ==================== */

.ctrl-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--wb-border-light);
}

/* Power Switch */
.power-switch {
  display: flex; align-items: center; gap: 10px;
}
.power-switch label:first-child {
  color: var(--wb-text);
  font-size: 13px; font-weight: 600;
}

.switch {
  position: relative;
  display: inline-block;
  width: 48px; height: 27px;
}
.switch input { opacity: 0; width: 0; height: 0; }

.switch .slider {
  position: absolute; cursor: pointer;
  inset: 0; background: var(--wb-border);
  border-radius: 27px; transition: .25s;
}
.switch .slider:before {
  content: '';
  position: absolute;
  height: 21px; width: 21px;
  left: 3px; bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: .25s;
  box-shadow: 0 1px 4px rgba(0,0,0,.15);
}
.switch input:checked + .slider {
  background: var(--wb-success);
  box-shadow: 0 0 12px rgba(16,185,129,.25);
}
.switch input:checked + .slider:before {
  transform: translateX(21px);
}

/* Info Grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.info-item {
  background: var(--wb-bg);
  border: 1px solid var(--wb-border-light);
  border-radius: var(--wb-r-sm);
  padding: 13px 16px;
}
.info-item .label {
  color: var(--wb-text-muted);
  font-size: 12px; font-weight: 500;
  margin-bottom: 5px;
}
.info-item .value {
  color: var(--wb-text);
  font-size: 14.5px; font-weight: 700;
  word-break: break-all;
}
.info-item .value.nodata {
  color: var(--wb-text-muted);
  font-weight: 400;
}

/* Config Rows */
.config-row {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px; flex-wrap: wrap;
}
.config-row .cfg-label {
  color: var(--wb-text-secondary);
  font-size: 13px; min-width: 92px;
  font-weight: 600;
}
.config-row select,
.config-row input[type="number"],
.config-row input[type="text"] {
  padding: 9px 12px;
  background: var(--wb-bg);
  border: 1.5px solid var(--wb-border);
  border-radius: var(--wb-r-xs);
  color: var(--wb-text);
  font-size: 13px;
  outline: none; transition: all .2s;
}
.config-row select:focus,
.config-row input:focus {
  border-color: var(--wb-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.08);
  background: var(--wb-surface);
}
.config-row select option {
  background: var(--wb-surface); color: var(--wb-text);
}
.config-row .unit {
  color: var(--wb-text-muted);
  font-size: 12px; font-weight: 500;
}

/* Mode Buttons */
.mode-btns {
  display: flex; gap: 7px; flex-wrap: wrap;
}
.mode-btn {
  padding: 9px 15px;
  background: var(--wb-surface);
  border: 1.5px solid var(--wb-border);
  border-radius: var(--wb-r-sm);
  color: var(--wb-text-secondary);
  font-size: 12.5px;
  cursor: pointer; font-weight: 550;
  transition: all .2s;
}
.mode-btn:hover {
  border-color: var(--wb-primary-light);
  color: var(--wb-primary);
  background: rgba(37,99,235,.04);
}
.mode-btn.active {
  background: rgba(37,99,235,.08);
  color: var(--wb-primary);
  border-color: rgba(37,99,235,.25);
  font-weight: 650;
  box-shadow: 0 0 10px rgba(37,99,235,.08);
}

/* Scene Rows */
.scene-row {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 11px;
}
.scene-row .scene-label {
  color: var(--wb-text-muted);
  font-size: 12px; min-width: 102px;
  font-weight: 550;
}
.scene-row input[type="text"] {
  flex: 1; padding: 9px 12px;
  background: var(--wb-bg);
  border: 1.5px solid var(--wb-border);
  border-radius: var(--wb-r-xs);
  color: var(--wb-text);
  font-size: 13px;
  outline: none; transition: all .2s;
}
.scene-row input[type="text"]:focus {
  border-color: var(--wb-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.08);
  background: var(--wb-surface);
}

.config-section { margin-top: 8px; }
.no-data-hint {
  color: var(--wb-text-muted);
  font-size: 12px; font-style: italic; padding: 10px 0;
}
.ctrl-section { margin-bottom: 22px; }
.ctrl-section-title {
  font-size: 14px; font-weight: 700;
  color: var(--wb-text);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--wb-border-light);
  display: flex; align-items: center; gap: 8px;
}

/* ==================== Toast 通知 ==================== */

.toast-container {
  position: fixed;
  top: 22px; right: 22px;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 13px 20px;
  border-radius: var(--wb-r-sm);
  font-size: 13px;
  color: white;
  animation: wbSlideIn .3s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
  font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}
.toast.success {
  background: rgba(16,185,129,.92);
  border: 1px solid rgba(16,185,129,.4);
}
.toast.info {
  background: rgba(30,64,175,.95);
  border: 1px solid rgba(99,147,255,.5);
  color: #fff;
}
.toast.warning {
  background: rgba(180,100,0,.95);
  border: 1px solid rgba(245,158,11,.4);
  color: #fff;
}
.toast.error {
  background: rgba(239,68,68,.92);
  border: 1px solid rgba(239,68,68,.4);
}
@keyframes wbSlideIn {
  from { transform: translateX(80px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ==================== 离线状态 ==================== */

.modal-box.offline {
  background: var(--wb-bg);
  border: 2px solid var(--wb-border);
}
.modal-box.offline .modal-header {
  background: var(--wb-border-light);
  border-bottom: 1px solid var(--wb-border);
}
.modal-box.offline .modal-header h2 { color: var(--wb-text-muted); }
.modal-box.offline .ctrl-actions { opacity: .45; pointer-events: none; }
.modal-box.offline .btn-read { background: var(--wb-text-muted); box-shadow: none; }
.modal-box.offline .config-row select,
.modal-box.offline .config-row input,
.modal-box.offline .scene-row input {
  background: var(--wb-border-light);
  border-color: var(--wb-border);
  color: var(--wb-text-muted); pointer-events: none;
}
.modal-box.offline .mode-btn {
  background: var(--wb-border-light);
  border-color: var(--wb-border);
  color: var(--wb-text-muted); pointer-events: none;
}
.modal-box.offline .btn-save {
  background: var(--wb-text-muted); pointer-events: none; box-shadow: none;
}
.modal-box.offline .info-item {
  background: var(--wb-border-light);
  border-color: var(--wb-border);
}
.modal-box.offline .info-item .value { color: var(--wb-text-muted); }
.modal-box.offline .info-item .value.nodata { color: var(--wb-border); }
.modal-box.offline .ctrl-section-title { color: var(--wb-text-muted); }
.modal-box.offline .switch .slider { background: var(--wb-border); pointer-events: none; }

.offline-badge {
  display: inline-block;
  background: var(--wb-text-muted);
  color: #fff;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: var(--wb-r-xs);
  margin-left: 8px;
  font-weight: 600;
  letter-spacing: .02em;
}

/* ==================== 修改密码弹窗 ==================== */

.pwd-modal {
  width: 420px; max-width: 92vw;
  border-radius: 20px; overflow: hidden;
}
.pwd-modal .modal-header {
  padding: 22px 26px;
  background: linear-gradient(180deg, var(--wb-bg), var(--wb-surface));
}
.pwd-modal .modal-header h2 {
  font-size: 18px; font-weight: 750;
  color: var(--wb-text);
  display: flex; align-items: center; gap: 10px;
}
.pwd-modal .modal-header h2::before {
  content: '';
  display: inline-block;
  width: 4px; height: 22px;
  background: var(--wb-gradient);
  border-radius: 4px;
}
.pwd-modal .modal-close {
  width: 34px; height: 34px;
  padding: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--wb-bg);
  border: 1px solid var(--wb-border);
  border-radius: var(--wb-r-sm);
  color: var(--wb-text-secondary);
  font-size: 16px;
  cursor: pointer; transition: all .2s;
}
.pwd-modal .modal-close:hover {
  background: var(--wb-border);
  color: var(--wb-text);
}
.pwd-modal .modal-body { padding: 26px; }

.pwd-form { display: flex; flex-direction: column; gap: 18px; }
.pwd-field label {
  display: block;
  color: var(--wb-text-secondary);
  font-size: 13px; font-weight: 650;
  margin-bottom: 7px;
}
.pwd-field input {
  width: 100%; padding: 12px 15px;
  background: var(--wb-bg);
  border: 1.5px solid var(--wb-border);
  border-radius: var(--wb-r-sm);
  color: var(--wb-text);
  font-size: 14px;
  outline: none; transition: all .2s;
  box-sizing: border-box;
}
.pwd-field input:focus {
  background: var(--wb-surface);
  border-color: var(--wb-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.10);
}
.pwd-field input::placeholder { color: var(--wb-text-muted); }

.pwd-error {
  display: none;
  padding: 11px 15px;
  background: rgba(239,68,68,.05);
  border: 1px solid rgba(239,68,68,.12);
  border-radius: var(--wb-r-sm);
  color: var(--wb-danger);
  font-size: 13px; line-height: 1.5;
}

.pwd-submit {
  width: 100%; padding: 13px;
  background: var(--wb-gradient);
  color: white; border: none;
  border-radius: var(--wb-r);
  font-size: 15px; font-weight: 650;
  cursor: pointer; transition: all .25s;
  box-shadow: var(--wb-shadow-blue);
  margin-top: 4px;
}
.pwd-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--wb-shadow-blue-lg);
}

/* ==================== 批量配置弹窗 ==================== */

.batch-modal-box {
  width: 640px; max-width: 95vw;
  max-height: 88vh; overflow-y: auto;
}
.batch-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--wb-border-light);
}
.batch-row:last-child { border-bottom: none; }

.batch-chk-label {
  display: flex; align-items: center; gap: 8px;
  min-width: 145px; font-size: 14px;
  color: var(--wb-text);
  cursor: pointer; user-select: none;
}
.batch-chk-label input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: #7C3AED;
  cursor: pointer; flex-shrink: 0;
}

.batch-ctrl {
  display: flex; align-items: center; gap: 8px; flex: 1;
}
.batch-ctrl select,
.batch-ctrl input[type="number"],
.batch-ctrl input[type="text"] {
  padding: 7px 11px;
  border: 1.5px solid var(--wb-border);
  border-radius: var(--wb-r-xs);
  font-size: 13px; color: var(--wb-text);
  background: var(--wb-bg);
}
.batch-ctrl select:focus,
.batch-ctrl input:focus {
  outline: none;
  border-color: #7C3AED;
  background: var(--wb-surface);
}

/* ==================== 统一用户栏 (Header User Bar) ==================== */
/* 跨页面统一组件：欢迎信息 + 修改密码 + 退出 */

.header-user-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto; /* 靠右对齐 */
}

/* 欢迎区域 */
.header-user-welcome {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #475569;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}
.header-user-welcome svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  opacity: 0.65;
  color: #64748B;
}

/* 修改密码按钮 - 轮廓风格 */
.header-user-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 500;
  color: #475569;
  background: #fff;
  border: 1px solid #CBD5E1;
  border-radius: 7px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.18s ease;
  line-height: 1.4;
}
.header-user-btn-outline svg {
  width: 14px; height: 14px;
  flex-shrink: 0;
  opacity: 0.7;
}
.header-user-btn-outline:hover {
  border-color: #2563EB;
  color: #2563EB;
  background: #F0F5FF;
  box-shadow: 0 1px 3px rgba(37,99,235,0.12);
}
.header-user-btn-outline:active {
  transform: scale(0.97);
}

/* 退出按钮 - 危险操作风格 */
.header-user-btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: #EF4444;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.18s ease;
  line-height: 1.4;
}
.header-user-btn-danger svg {
  width: 14px; height: 14px;
  flex-shrink: 0;
  opacity: 0.85;
}
.header-user-btn-danger:hover {
  background: #DC2626;
  box-shadow: 0 2px 8px rgba(239,68,68,0.30);
  transform: translateY(-1px);
}
.header-user-btn-danger:active {
  transform: scale(0.97);
}

/* 响应式适配 */
@media (max-width: 640px) {
  .header-user-bar {
    flex-wrap: wrap;
    gap: 10px;
  }
}

/* ==================== 页脚 ==================== */

.dashboard-footer {
  padding: 40px 0 20px;
  text-align: center;
  color: var(--wb-text-muted);
  font-size: 12px;
}

/* ==================== 响应式适配 ==================== */

@media (max-width: 900px) {
  .sidebar { width: 72px; overflow: hidden; }
  .sidebar .brand-text,
  .sidebar .sidebar-welcome,
  .sidebar .user-details-side,
  .sidebar .nav-item span:not(.nav-icon) { display: none; }
  .sidebar .brand-logo { margin: 0; }
  .sidebar .nav-item { justify-content: center; padding: 12px; }
  .sidebar .user-avatar-sm { margin: 0 auto; }
  .main-content { margin-left: 72px; padding: 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-card { padding: 16px; }
  .page-title { font-size: 20px; }
}