/* ===== 全局重置与变量 ===== */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1629;
  --bg-card: #131d35;
  --bg-hover: #1a2540;
  --border: #1e2d4a;
  --border-light: #243352;
  --accent: #00d4ff;
  --accent-glow: rgba(0,212,255,0.15);
  --accent-dim: #0099bb;
  --success: #00e676;
  --success-dim: #1a4a2e;
  --warning: #ffb300;
  --warning-dim: #3d2e00;
  --danger: #ff3d00;
  --danger-dim: #3d0e00;
  --text-primary: #e8f0fe;
  --text-secondary: #7895b8;
  --text-muted: #4a6080;
  --sidebar-w: 220px;
  --header-h: 56px;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; background: var(--bg-primary); color: var(--text-primary); font-size: 13px; overflow: hidden; }
.page { display: none; width: 100vw; height: 100vh; }
.page.active { display: block; }

/* ===== 登录页 ===== */
.login-bg {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at 20% 50%, #0d1f3c 0%, #050d1a 100%);
  position: relative; overflow: hidden;
}
.login-particles { position: absolute; inset: 0; pointer-events: none; }
.particle {
  position: absolute; width: 2px; height: 2px; background: var(--accent);
  border-radius: 50%; animation: float linear infinite;
  box-shadow: 0 0 6px var(--accent);
}
@keyframes float {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) scale(1); opacity: 0; }
}
.login-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: 16px; padding: 40px; width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 40px rgba(0,212,255,0.05);
  position: relative; z-index: 10;
}
.login-logo { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; }
.logo-icon { font-size: 48px; filter: drop-shadow(0 0 12px #00d4ff); }
.logo-text h1 { font-size: 22px; font-weight: 700; color: var(--text-primary); }
.logo-text p { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.login-badge {
  display: inline-block; background: var(--accent-glow); border: 1px solid var(--accent);
  color: var(--accent); font-size: 11px; padding: 3px 10px; border-radius: 20px;
  margin-bottom: 24px;
}
.login-form .form-group { margin-bottom: 16px; }
.login-form label { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.login-form input, .login-form select {
  width: 100%; padding: 10px 14px; background: var(--bg-secondary);
  border: 1px solid var(--border-light); border-radius: var(--radius);
  color: var(--text-primary); font-size: 13px; transition: border-color 0.2s;
  outline: none;
}
.login-form input:focus, .login-form select:focus { border-color: var(--accent); }
.captcha-row { display: flex; gap: 10px; }
.captcha-row input { flex: 1; }
.captcha-box {
  width: 110px; height: 38px; background: #1a2a4a; border: 1px solid var(--border-light);
  border-radius: var(--radius); display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 18px; font-weight: 700; letter-spacing: 4px;
  color: var(--accent); font-family: monospace; user-select: none;
}
.login-options { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; color: var(--text-secondary); }
.login-options label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.login-options input[type=checkbox] { accent-color: var(--accent); }
.link { color: var(--accent); cursor: pointer; }
.login-btn {
  width: 100%; padding: 12px; background: linear-gradient(135deg, #0066cc, #00d4ff);
  border: none; border-radius: var(--radius); color: white; font-size: 15px;
  font-weight: 600; cursor: pointer; transition: opacity 0.2s;
}
.login-btn:hover { opacity: 0.9; }
.login-footer { margin-top: 20px; text-align: center; font-size: 11px; color: var(--text-muted); }

/* ===== 主布局 ===== */
#main-page { display: grid; grid-template-rows: var(--header-h) 1fr; grid-template-columns: var(--sidebar-w) 1fr; }
#main-page.active { display: grid; }

/* ===== 顶部导航 ===== */
.top-nav {
  grid-column: 1 / -1; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border); display: flex;
  align-items: center; padding: 0 20px; gap: 16px; z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-em { font-size: 20px; filter: drop-shadow(0 0 8px #00d4ff); }
.logo-name { font-size: 15px; font-weight: 600; color: var(--text-primary); white-space: nowrap; }
.version-tag {
  background: var(--accent-glow); border: 1px solid var(--accent);
  color: var(--accent); font-size: 10px; padding: 1px 6px; border-radius: 10px;
}
.nav-center { flex: 1; display: flex; justify-content: center; }
.status-bar { display: flex; gap: 20px; }
.status-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-secondary); }
.status-item .dot { width: 6px; height: 6px; border-radius: 50%; animation: blink 2s infinite; }
.status-item.online .dot { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-item.warning .dot { background: var(--warning); box-shadow: 0 0 6px var(--warning); }
.status-item.info .dot { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-time { font-size: 12px; color: var(--text-secondary); min-width: 130px; }
.nav-user { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 6px 10px; border-radius: var(--radius); transition: background 0.2s; position: relative; }
.nav-user:hover { background: var(--bg-hover); }
.user-avatar { width: 28px; height: 28px; background: linear-gradient(135deg, #0066cc, #00d4ff); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; }
.role-tag { background: rgba(0,212,255,0.1); color: var(--accent); font-size: 10px; padding: 1px 6px; border-radius: 10px; }
.user-dropdown {
  position: absolute; top: 50px; right: 0; background: var(--bg-card);
  border: 1px solid var(--border-light); border-radius: var(--radius);
  min-width: 140px; display: none; z-index: 200;
  box-shadow: var(--shadow);
}
.user-dropdown.show { display: block; }
.dropdown-item { padding: 10px 16px; cursor: pointer; transition: background 0.15s; }
.dropdown-item:hover { background: var(--bg-hover); }
.dropdown-item.danger { color: var(--danger); }
.dropdown-divider { border-top: 1px solid var(--border); }
.nav-btn { padding: 6px 14px; border-radius: var(--radius); border: none; cursor: pointer; font-size: 12px; font-weight: 600; transition: all 0.2s; }
.nav-btn.emergency { background: linear-gradient(135deg, #c62828, #ff5722); color: white; animation: pulse-danger 2s infinite; }
@keyframes pulse-danger { 0%,100% { box-shadow: 0 0 8px rgba(255,61,0,0.4); } 50% { box-shadow: 0 0 16px rgba(255,61,0,0.8); } }

/* ===== 侧边栏 ===== */
.sidebar {
  background: var(--bg-secondary); border-right: 1px solid var(--border);
  overflow-y: auto; padding: 12px 0;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }
.side-nav { padding: 0 8px; }
.nav-section-title { font-size: 10px; color: var(--text-muted); padding: 14px 12px 4px; text-transform: uppercase; letter-spacing: 1px; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px;
  border-radius: var(--radius); cursor: pointer; transition: all 0.15s;
  color: var(--text-secondary); position: relative; margin-bottom: 2px;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: var(--accent-glow); color: var(--accent); border: 1px solid rgba(0,212,255,0.2); }
.nav-icon { font-size: 16px; width: 20px; text-align: center; }
.nav-label { flex: 1; font-size: 13px; }
.nav-badge {
  font-size: 10px; padding: 1px 6px; border-radius: 10px;
  background: rgba(255,179,0,0.2); color: var(--warning);
}
.nav-badge.new { background: rgba(0,212,255,0.15); color: var(--accent); }
.nav-badge.alert { background: rgba(255,61,0,0.2); color: var(--danger); }

/* ===== 主内容区 ===== */
.main-content {
  overflow-y: auto; padding: 20px; background: var(--bg-primary);
}
.main-content::-webkit-scrollbar { width: 6px; }
.main-content::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

/* ===== 通用卡片 ===== */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-title { font-size: 14px; font-weight: 600; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.card-title .title-icon { font-size: 16px; }
.card-actions { display: flex; gap: 8px; }

/* ===== KPI卡片 ===== */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 20px; }
.kpi-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; text-align: center;
  transition: border-color 0.2s, transform 0.1s;
  position: relative; overflow: hidden;
}
.kpi-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
}
.kpi-card.green::before { background: linear-gradient(90deg, var(--success), transparent); }
.kpi-card.blue::before { background: linear-gradient(90deg, var(--accent), transparent); }
.kpi-card.yellow::before { background: linear-gradient(90deg, var(--warning), transparent); }
.kpi-card.red::before { background: linear-gradient(90deg, var(--danger), transparent); }
.kpi-card:hover { border-color: var(--border-light); transform: translateY(-1px); }
.kpi-icon { font-size: 24px; margin-bottom: 8px; }
.kpi-value { font-size: 28px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.kpi-label { font-size: 11px; color: var(--text-secondary); }
.kpi-change { font-size: 11px; margin-top: 4px; }
.kpi-change.up { color: var(--success); }
.kpi-change.down { color: var(--danger); }

/* ===== 表格 ===== */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  text-align: left; padding: 10px 12px; font-size: 11px; font-weight: 600;
  color: var(--text-muted); border-bottom: 1px solid var(--border);
  text-transform: uppercase; letter-spacing: 0.5px; background: var(--bg-secondary);
}
.data-table td {
  padding: 10px 12px; border-bottom: 1px solid var(--border);
  font-size: 12px; color: var(--text-secondary);
}
.data-table tbody tr:hover { background: var(--bg-hover); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ===== 状态标签 ===== */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 500; }
.badge.online { background: var(--success-dim); color: var(--success); }
.badge.offline { background: rgba(100,100,100,0.2); color: #888; }
.badge.warning { background: var(--warning-dim); color: var(--warning); }
.badge.danger { background: var(--danger-dim); color: var(--danger); }
.badge.info { background: var(--accent-glow); color: var(--accent); }
.badge::before { content: '●'; font-size: 8px; }

/* ===== 按钮 ===== */
.btn { padding: 6px 14px; border-radius: var(--radius); border: none; cursor: pointer; font-size: 12px; font-weight: 500; transition: all 0.15s; }
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: #33ddff; }
.btn-secondary { background: var(--bg-hover); color: var(--text-primary); border: 1px solid var(--border-light); }
.btn-secondary:hover { background: var(--border-light); }
.btn-danger { background: linear-gradient(135deg, #c62828, #ff3d00); color: white; padding: 10px 24px; border-radius: var(--radius); border: none; cursor: pointer; font-size: 13px; font-weight: 600; }
.btn-danger:hover { opacity: 0.9; }
.btn-cancel { background: var(--bg-hover); color: var(--text-secondary); padding: 10px 24px; border-radius: var(--radius); border: 1px solid var(--border-light); cursor: pointer; font-size: 13px; }
.btn-warning { background: linear-gradient(135deg, #e65100, #ffb300); color: white; }
.btn-success { background: linear-gradient(135deg, #1b5e20, #00e676); color: white; }
.btn-sm { padding: 4px 10px; font-size: 11px; }

/* ===== 进度条 ===== */
.progress-bar { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; transition: width 0.3s; }
.progress-fill.green { background: linear-gradient(90deg, #1b5e20, var(--success)); }
.progress-fill.blue { background: linear-gradient(90deg, #01579b, var(--accent)); }
.progress-fill.yellow { background: linear-gradient(90deg, #e65100, var(--warning)); }
.progress-fill.red { background: linear-gradient(90deg, #b71c1c, var(--danger)); }

/* ===== 表单 ===== */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 8px 12px; background: var(--bg-secondary);
  border: 1px solid var(--border-light); border-radius: var(--radius);
  color: var(--text-primary); font-size: 13px; outline: none; transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus { border-color: var(--accent); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ===== 模态框 ===== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: none;
  align-items: center; justify-content: center; z-index: 1000; backdrop-filter: blur(4px);
}
.modal-overlay.show { display: flex; }
.modal-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: 12px; min-width: 460px; max-width: 600px; max-height: 90vh;
  overflow: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.modal-header {
  padding: 16px 20px; display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--border); font-size: 15px; font-weight: 600;
}
.modal-header.danger { color: var(--danger); border-bottom-color: rgba(255,61,0,0.3); }
.modal-header.primary { color: var(--accent); }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 16px; }
.modal-body { padding: 20px; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* ===== 紧急关断模态框 ===== */
.emergency-warning {
  display: flex; gap: 14px; background: rgba(255,61,0,0.08);
  border: 1px solid rgba(255,61,0,0.3); border-radius: var(--radius);
  padding: 16px; margin-bottom: 16px;
}
.warning-icon { font-size: 32px; flex-shrink: 0; }
.warning-text strong { display: block; color: var(--danger); margin-bottom: 6px; font-size: 14px; }
.warning-text p { color: var(--text-secondary); font-size: 12px; line-height: 1.6; }
.warning-text .compliance { color: var(--text-muted); margin-top: 4px; font-size: 11px; }
.emergency-info { background: var(--bg-secondary); border-radius: var(--radius); padding: 12px; margin-bottom: 16px; }
.info-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 12px; }
.info-row span:first-child { color: var(--text-muted); }
.info-row span:last-child { color: var(--text-primary); font-weight: 500; }

/* ===== 关断执行动画 ===== */
.shutdown-progress-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.9);
  display: none; align-items: center; justify-content: center;
  z-index: 2000; flex-direction: column; gap: 20px;
}
.shutdown-progress-overlay.show { display: flex; }
.shutdown-countdown { font-size: 72px; font-weight: 700; color: var(--danger); font-variant-numeric: tabular-nums; }
.shutdown-label { font-size: 18px; color: var(--text-secondary); }
.shutdown-progress-bar {
  width: 400px; height: 8px; background: var(--border);
  border-radius: 4px; overflow: hidden;
}
.shutdown-progress-fill {
  height: 100%; background: linear-gradient(90deg, #ff3d00, #ffb300);
  border-radius: 4px; transition: width 0.1s; box-shadow: 0 0 10px var(--danger);
}
.shutdown-devices { font-size: 13px; color: var(--text-secondary); }
.shutdown-success { font-size: 36px; color: var(--success); display: none; }

/* ===== Toast ===== */
#toast-container { position: fixed; top: 70px; right: 20px; z-index: 3000; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 12px 16px; min-width: 280px;
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 10px;
  animation: slideIn 0.3s ease; font-size: 13px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideOut { from { transform: translateX(0); opacity: 1; } to { transform: translateX(100%); opacity: 0; } }

/* ===== 布局工具 ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-gap { display: flex; gap: 10px; align-items: center; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mt-12 { margin-top: 12px; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.font-bold { font-weight: 700; }
.font-mono { font-family: 'Courier New', monospace; }

/* ===== 图表占位 ===== */
.chart-box { width: 100%; }

/* ===== 信号强度指示器 ===== */
.signal-bars { display: flex; align-items: flex-end; gap: 2px; height: 14px; }
.signal-bar { width: 3px; background: var(--border-light); border-radius: 1px; }
.signal-bar:nth-child(1) { height: 4px; }
.signal-bar:nth-child(2) { height: 7px; }
.signal-bar:nth-child(3) { height: 10px; }
.signal-bar:nth-child(4) { height: 14px; }
.signal-bars.s1 .signal-bar:nth-child(1) { background: var(--danger); }
.signal-bars.s2 .signal-bar:nth-child(1), .signal-bars.s2 .signal-bar:nth-child(2) { background: var(--warning); }
.signal-bars.s3 .signal-bar:nth-child(1), .signal-bars.s3 .signal-bar:nth-child(2), .signal-bars.s3 .signal-bar:nth-child(3) { background: var(--success); }
.signal-bars.s4 .signal-bar { background: var(--success); }

/* ===== 模拟器专属样式 ===== */
.simulator-container { display: grid; grid-template-columns: 280px 1fr; gap: 16px; }
.simulator-panel { display: flex; flex-direction: column; gap: 12px; }
.device-sim-card {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px; cursor: pointer;
  transition: all 0.2s;
}
.device-sim-card:hover, .device-sim-card.selected { border-color: var(--accent); background: var(--accent-glow); }
.device-sim-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.device-sim-sn { font-size: 12px; font-weight: 600; color: var(--text-primary); font-family: monospace; }
.device-sim-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.sim-metric { font-size: 11px; }
.sim-metric-label { color: var(--text-muted); }
.sim-metric-value { color: var(--accent); font-weight: 600; }
.ldsw-wave {
  width: 100%; height: 60px; position: relative;
  background: linear-gradient(180deg, rgba(0,212,255,0.05) 0%, transparent 100%);
  border-radius: 4px; overflow: hidden;
}
.wave-svg { width: 100%; height: 100%; }

/* ===== 关断控制板 ===== */
.shutdown-panel { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.shutdown-mode-btn {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; text-align: center;
  cursor: pointer; transition: all 0.2s;
}
.shutdown-mode-btn:hover { border-color: var(--accent); background: var(--accent-glow); }
.shutdown-mode-btn.active { border-color: var(--danger); background: rgba(255,61,0,0.1); }
.shutdown-mode-icon { font-size: 24px; margin-bottom: 8px; }
.shutdown-mode-name { font-size: 12px; font-weight: 600; color: var(--text-primary); }
.shutdown-mode-desc { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* ===== LDSW 网络图 ===== */
.network-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.network-stat { background: var(--bg-secondary); border-radius: var(--radius); padding: 12px; text-align: center; }
.network-stat-value { font-size: 22px; font-weight: 700; color: var(--accent); }
.network-stat-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* ===== 告警列表 ===== */
.alarm-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px; border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.alarm-item:hover { background: var(--bg-hover); }
.alarm-item:last-child { border-bottom: none; }
.alarm-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; margin-top: 4px; }
.alarm-dot.critical { background: var(--danger); box-shadow: 0 0 8px var(--danger); animation: blink 1s infinite; }
.alarm-dot.major { background: var(--warning); box-shadow: 0 0 8px var(--warning); }
.alarm-dot.minor { background: #888; }
.alarm-content { flex: 1; }
.alarm-title { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.alarm-meta { font-size: 11px; color: var(--text-muted); margin-top: 3px; }
.alarm-time { font-size: 11px; color: var(--text-muted); }

/* ===== 合规报表 ===== */
.compliance-badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px;
  border-radius: 20px; font-size: 12px; font-weight: 500;
}
.compliance-badge.pass { background: var(--success-dim); color: var(--success); border: 1px solid var(--success); }
.compliance-badge.pending { background: var(--warning-dim); color: var(--warning); border: 1px solid var(--warning); }

/* ===== 页面标题 ===== */
.page-header { margin-bottom: 20px; }
.page-title { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.page-subtitle { font-size: 12px; color: var(--text-muted); }
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); margin-bottom: 16px; }
.breadcrumb span { color: var(--text-secondary); }

/* ===== 搜索栏 ===== */
.search-bar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.search-input { flex: 1; min-width: 200px; padding: 8px 12px; background: var(--bg-secondary); border: 1px solid var(--border-light); border-radius: var(--radius); color: var(--text-primary); font-size: 12px; outline: none; }
.search-input:focus { border-color: var(--accent); }
.filter-select { padding: 8px 12px; background: var(--bg-secondary); border: 1px solid var(--border-light); border-radius: var(--radius); color: var(--text-primary); font-size: 12px; outline: none; }

/* ===== 分页 ===== */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 16px; }
.page-btn { width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; border-radius: 4px; border: 1px solid var(--border); background: var(--bg-secondary); color: var(--text-secondary); cursor: pointer; font-size: 12px; transition: all 0.15s; }
.page-btn:hover, .page-btn.active { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }

/* ===== 数字孪生 ===== */
.twin-canvas {
  width: 100%; height: 500px; background: var(--bg-secondary);
  border: 1px solid var(--border); border-radius: var(--radius);
  position: relative; overflow: hidden;
}
.twin-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(0,212,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.twin-device {
  position: absolute; width: 16px; height: 16px;
  border-radius: 3px; cursor: pointer; transition: transform 0.1s;
  border: 1px solid rgba(0,0,0,0.3);
}
.twin-device:hover { transform: scale(1.4); z-index: 10; }
.twin-device.status-online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.twin-device.status-offline { background: #444; }
.twin-device.status-alarm { background: var(--danger); box-shadow: 0 0 8px var(--danger); animation: blink 1s infinite; }
.twin-device.status-shutdown { background: var(--warning); box-shadow: 0 0 6px var(--warning); }
.twin-tooltip {
  position: absolute; background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 10px; font-size: 11px;
  pointer-events: none; z-index: 100; white-space: nowrap; display: none;
  box-shadow: var(--shadow);
}
.twin-legend { display: flex; gap: 16px; margin-top: 12px; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-muted); }
.legend-dot { width: 10px; height: 10px; border-radius: 2px; }

/* ===== 响应式补充 ===== */
@media (max-width: 1200px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .shutdown-panel { grid-template-columns: 1fr 1fr; }
  .network-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 滚动条全局 ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== 加载动画 ===== */
.loading-spinner {
  width: 20px; height: 20px; border: 2px solid var(--border-light);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 空状态 ===== */
.empty-state { text-align: center; padding: 40px; color: var(--text-muted); }
.empty-state-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.4; }
.empty-state-text { font-size: 13px; }

/* ===== 气象数据模块 ===== */
.weather-hero { display: flex; flex-direction: column; gap: 12px; }
.weather-main-card {
  background: linear-gradient(135deg, #0f1e3d 0%, #13243f 60%, #0a1828 100%);
  border: 1px solid rgba(245,166,35,0.25);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex; align-items: center; gap: 28px;
  box-shadow: 0 4px 24px rgba(245,166,35,0.08);
}
.weather-left { display: flex; align-items: center; gap: 20px; flex: 0 0 auto; }
.weather-icon-big { font-size: 64px; line-height: 1; filter: drop-shadow(0 0 12px rgba(245,166,35,0.4)); }
.weather-info { display: flex; flex-direction: column; gap: 6px; }
.weather-city { font-size: 12px; color: var(--text-muted); }
.weather-condition { font-size: 16px; color: #f5a623; font-weight: 600; }
.weather-temp-row { display: flex; align-items: baseline; gap: 12px; }
.weather-temp { font-size: 42px; font-weight: 700; color: var(--text-primary); line-height: 1; }
.weather-temp-range { font-size: 14px; color: var(--text-secondary); }
.weather-badges { display: flex; gap: 6px; flex-wrap: wrap; }
.w-badge {
  padding: 2px 8px; border-radius: 10px; font-size: 11px;
  background: rgba(100,149,237,0.15); color: #90caf9; border: 1px solid rgba(100,149,237,0.25);
}
.w-badge.rain { background: rgba(79,195,247,0.12); color: #4fc3f7; border-color: rgba(79,195,247,0.25); }
.w-badge.good { background: rgba(0,230,118,0.1); color: #00e676; border-color: rgba(0,230,118,0.2); }

.weather-params {
  flex: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  padding-left: 20px; border-left: 1px solid rgba(255,255,255,0.06);
}
.w-param { text-align: center; }
.w-param-icon { font-size: 18px; margin-bottom: 4px; }
.w-param-val { font-size: 13px; color: var(--text-primary); font-weight: 600; line-height: 1.4; }
.w-param-label { font-size: 10px; color: var(--text-muted); margin-top: 2px; }

.weather-pv-metrics { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.weather-pv-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 12px; text-align: center;
  transition: transform 0.2s;
}
.weather-pv-card:hover { transform: translateY(-2px); border-color: var(--accent-dim); }
.weather-pv-card.green { border-top: 2px solid #00e676; }
.weather-pv-card.blue { border-top: 2px solid #00d4ff; }
.weather-pv-card.orange { border-top: 2px solid #f5a623; }
.weather-pv-card.yellow { border-top: 2px solid #ffb300; }
.weather-pv-card.red { border-top: 2px solid #ff3d00; }
.wpv-icon { font-size: 20px; margin-bottom: 6px; }
.wpv-val { font-size: 22px; font-weight: 700; color: var(--text-primary); line-height: 1; }
.wpv-unit { font-size: 10px; color: var(--text-muted); margin: 2px 0; }
.wpv-label { font-size: 11px; color: var(--text-secondary); }

.weather-week-row {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; padding: 8px 0;
}
.weather-day-card {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 8px; text-align: center;
  transition: all 0.2s;
}
.weather-day-card:hover { border-color: var(--accent-dim); background: var(--bg-hover); }
.weather-day-card.today {
  background: linear-gradient(135deg, #131d35, #1a2a4a);
  border-color: #f5a623; box-shadow: 0 0 12px rgba(245,166,35,0.2);
}
.wday-date { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; font-weight: 500; }
.wday-icon { font-size: 24px; margin: 4px 0; }
.wday-cond { font-size: 11px; color: var(--text-secondary); margin-bottom: 4px; }
.wday-temp { font-size: 12px; color: var(--text-primary); font-weight: 600; }
.wday-ghi { font-size: 10px; color: #f5a623; margin-top: 4px; }
.today-tag {
  display: inline-block; background: #f5a623; color: #000;
  font-size: 9px; padding: 1px 4px; border-radius: 4px; margin-left: 3px; font-weight: 700;
}

.weather-alerts { display: flex; flex-direction: column; gap: 10px; }
.weather-alert {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius); border: 1px solid transparent;
}
.weather-alert.info { background: rgba(100,149,237,0.08); border-color: rgba(100,149,237,0.2); }
.weather-alert.success { background: rgba(0,230,118,0.06); border-color: rgba(0,230,118,0.15); }
.weather-alert.warning { background: rgba(255,179,0,0.08); border-color: rgba(255,179,0,0.2); }
.wa-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.wa-content { flex: 1; }
.wa-title { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.wa-desc { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }
.wa-level {
  flex-shrink: 0; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600;
  align-self: flex-start;
}
.wa-level.info { background: rgba(100,149,237,0.2); color: #90caf9; }
.wa-level.success { background: rgba(0,230,118,0.15); color: #00e676; }
.wa-level.warning { background: rgba(255,179,0,0.15); color: #ffb300; }

/* 导航栏天气小组件 */
.weather-nav-widget:hover { background: rgba(245,166,35,0.15) !important; }