/* ===== Reset ===== */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;background:#0d1b2a;color:#e0e6ed;font-size:14px}
a{text-decoration:none;color:inherit}
button{cursor:pointer;font-family:inherit;border:none;outline:none}
input,select,textarea{font-family:inherit;outline:none}
ul,li{list-style:none}

/* ===== Variables ===== */
:root{
  --bg-primary:#0d1b2a;--bg-secondary:#1b2a3e;--bg-tertiary:#243450;--bg-card:#1b2a3e;
  --text-primary:#e0e6ed;--text-secondary:#8a9bb4;--text-tertiary:#5a6b85;
  --border:#2a3f5f;--border-light:#1e2d42;
  --normal:#1D9E75;--warning:#EF9F27;--alarm:#E24B4A;--offline:#5a6b85;--accent:#378ADD;
  --sidebar-w:220px;--topbar-h:56px;
  --mono:"Consolas","Roboto Mono",monospace;
}

/* ===== Login ===== */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;padding:40px 36px;width:380px}
.login-logo{text-align:center;margin-bottom:32px}
.login-logo .logo-icon{width:56px;height:56px;border-radius:14px;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;margin-bottom:12px}
.login-logo .logo-name{font-size:22px;font-weight:500}
.login-logo .logo-en{font-size:11px;color:var(--text-tertiary);margin-top:4px;line-height:1.5;word-break:keep-all}
.login-logo .logo-tag{font-size:13px;color:var(--text-secondary);margin-top:8px}
.login-field{margin-bottom:18px}
.login-field label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:6px}
.login-field input{width:100%;padding:10px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:14px}
.login-field input:focus{border-color:var(--accent)}
.login-options{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;font-size:13px}
.login-options label{color:var(--text-secondary);display:flex;align-items:center;gap:6px;cursor:pointer}
.login-options input[type=checkbox]{accent-color:var(--accent)}
.login-options .forgot{color:var(--accent);cursor:pointer}
.login-btn{width:100%;padding:12px;background:var(--accent);color:#fff;border-radius:8px;font-size:15px;font-weight:500}
.login-btn:hover{opacity:.9}
.login-hint{text-align:center;margin-top:20px;padding-top:16px;border-top:1px solid var(--border-light);font-size:12px;color:var(--text-tertiary)}
.login-footer{text-align:center;margin-top:14px;font-size:11px;color:var(--text-tertiary)}

/* ===== Layout ===== */
.app-layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform .3s ease}
.sidebar-logo{padding:18px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:10px}
.sidebar-logo .logo-icon{width:36px;height:36px;border-radius:8px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;flex-shrink:0}
.sidebar-logo .logo-name{font-size:15px;font-weight:500;line-height:1.3}
.sidebar-logo .logo-en{font-size:10px;color:var(--text-tertiary)}
.sidebar-logo .logo-tag{font-size:10px;color:var(--text-secondary);margin-top:2px}
.sidebar-nav{flex:1;padding:16px 10px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:8px;font-size:14px;color:var(--text-secondary);margin-bottom:4px}
.nav-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}
.nav-item.active{background:var(--accent);color:#fff}
.nav-icon{width:18px;text-align:center;flex-shrink:0}
.sidebar-user{padding:14px 18px;border-top:1px solid var(--border-light)}
.sidebar-user .user-row{display:flex;align-items:center;justify-content:space-between}
.sidebar-user .user-name{font-size:13px;color:var(--text-secondary)}
.logout-btn{background:transparent;color:var(--text-tertiary);font-size:12px;padding:4px 10px;border:1px solid var(--border);border-radius:6px}
.logout-btn:hover{color:var(--alarm);border-color:var(--alarm)}

.main-content{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;transition:margin-left .3s ease}
.topbar{height:var(--topbar-h);background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:50}
.topbar-left{display:flex;align-items:center;gap:10px}
.topbar-title{font-size:16px;font-weight:500}
.sidebar-toggle{display:flex;align-items:center;justify-content:center;width:34px;height:34px;background:transparent;color:var(--text-secondary);font-size:18px;border-radius:6px;cursor:pointer;flex-shrink:0;transition:background .2s,color .2s;line-height:1}
.sidebar-toggle:hover{background:var(--bg-tertiary);color:var(--text-primary)}
.topbar-right{display:flex;align-items:center;gap:20px;font-size:13px;color:var(--text-secondary)}
.topbar-station{display:flex;align-items:center;gap:8px;padding:4px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;font-size:13px;color:var(--text-primary)}
.topbar-station::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--normal)}
.topbar-clock{font-family:var(--mono);font-size:13px}
.page-content{flex:1;padding:20px 24px;overflow-y:auto}

/* Sidebar collapse / overlay */
.app-layout.sidebar-collapsed .sidebar{transform:translateX(-100%)}
.app-layout.sidebar-collapsed .main-content{margin-left:0}
.sidebar-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:99;opacity:0;pointer-events:none;transition:opacity .3s}
.app-layout.sidebar-open .sidebar-overlay{opacity:1;pointer-events:auto}

/* ===== Dashboard ===== */
.status-bar{display:flex;gap:14px;margin-bottom:18px}
.status-item{flex:1;background:var(--bg-card);border-radius:10px;padding:14px 18px;display:flex;align-items:center;gap:12px}
.status-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.status-item .s-label{font-size:12px;color:var(--text-secondary)}
.status-item .s-value{font-size:20px;font-weight:500;font-family:var(--mono)}

.metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:18px}
.metric-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:10px;padding:16px 18px}
.metric-card.warning{border-color:var(--warning)}
.metric-card.alarm{border-color:var(--alarm)}
.metric-card .m-head{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary);margin-bottom:8px}
.metric-card .m-val{font-size:28px;font-weight:500;font-family:var(--mono);line-height:1.2}
.metric-card .m-unit{font-size:12px;color:var(--text-tertiary);margin-top:4px}
.metric-card.warning .m-val{color:var(--warning)}
.metric-card.alarm .m-val{color:var(--alarm)}

.chart-row{display:grid;grid-template-columns:2fr 1fr;gap:14px;margin-bottom:18px;align-items:stretch}
.chart-trend{display:flex;flex-direction:column}
.chart-side{display:flex;flex-direction:column;gap:14px}
.panel{background:var(--bg-card);border:1px solid var(--border-light);border-radius:10px;padding:18px}
.panel .p-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.panel .p-title{font-size:14px;font-weight:500}
.panel .p-tabs{font-size:12px;color:var(--text-tertiary)}
.panel .p-tabs span{cursor:pointer;margin-left:8px}
.panel .p-tabs span.active{color:var(--accent)}
#trendChart{width:100%;height:280px;flex:1;min-height:280px}

.scene-panel{display:flex;flex-direction:column}
.scene-photo-wrap{position:relative;border-radius:8px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:border-color .3s,box-shadow .3s;flex:1;min-height:160px}
.scene-photo-wrap img{width:100%;height:100%;object-fit:cover;display:block;min-height:160px}
.scene-photo-wrap.normal{border-color:var(--normal)}
.scene-photo-wrap.warning{border-color:var(--warning);box-shadow:0 0 12px rgba(239,159,39,.25)}
.scene-photo-wrap.alarm{border-color:var(--alarm);box-shadow:0 0 16px rgba(226,75,74,.35)}
.scene-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(13,27,42,.85));padding:28px 12px 12px}
.scene-trigger{font-size:12px;font-weight:500;margin-bottom:4px;color:#fff}
.scene-time{font-size:11px;color:rgba(224,230,237,.85);font-family:var(--mono)}
.scene-caption{margin-top:10px;font-size:12px;color:var(--text-secondary);text-align:center}
.scene-status{font-size:11px;padding:2px 8px;border-radius:4px}
.scene-status.normal{background:rgba(29,158,117,.15);color:var(--normal)}
.scene-status.warning{background:rgba(239,159,39,.15);color:var(--warning)}
.scene-status.alarm{background:rgba(226,75,74,.15);color:var(--alarm)}

.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);display:none;align-items:center;justify-content:center;z-index:1000;cursor:pointer;padding:40px}
.lightbox.active{display:flex}
.lightbox img{max-width:100%;max-height:100%;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}

.device-list{font-size:13px}
.device-item{display:flex;justify-content:space-between;align-items:center;padding:9px 10px;border-bottom:1px solid var(--border-light);cursor:pointer;border-radius:6px;transition:background .2s}
.device-item:hover{background:var(--bg-tertiary)}
.device-item.active{background:rgba(55,138,221,.12)}
.device-item.active .d-name{color:var(--accent);font-weight:500}
.device-item .d-name{display:flex;align-items:center;gap:8px;transition:color .2s}
.device-item .d-status{font-size:12px}
.device-item .d-status.online{color:var(--normal)}
.device-item .d-status.warning{color:var(--warning)}
.device-item .d-status.offline{color:var(--text-tertiary)}

.bottom-bar{background:var(--bg-card);border:1px solid var(--border-light);border-radius:10px;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.compliance{display:flex;align-items:center;gap:10px;font-size:13px}
.compliance-track{width:200px;height:8px;background:var(--bg-primary);border-radius:4px;overflow:hidden}
.compliance-fill{height:100%;background:var(--normal);border-radius:4px;transition:width .5s}
.alarm-ticker{font-size:12px;color:var(--text-secondary);white-space:nowrap}

/* ===== Alarm Page ===== */
.filter-bar{display:flex;gap:10px;margin-bottom:18px}
.filter-btn{padding:6px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-size:13px}
.filter-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.alarm-stats{display:grid;grid-template-columns:1fr 2fr;gap:14px;margin-bottom:18px}
#alarmChart{width:100%;height:200px}
.stat-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border-light);font-size:13px}
.stat-row:last-child{border-bottom:none}
.stat-row .s-label{color:var(--text-secondary)}
.stat-row .s-num{font-family:var(--mono);font-weight:500}
.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table th{text-align:left;padding:10px 14px;color:var(--text-secondary);font-weight:500;border-bottom:1px solid var(--border);white-space:nowrap}
.data-table td{padding:10px 14px;border-bottom:1px solid var(--border-light)}
.data-table tr:hover td{background:var(--bg-tertiary)}
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px}
.tag.alarm{background:rgba(226,75,74,.15);color:var(--alarm)}
.tag.warning{background:rgba(239,159,39,.15);color:var(--warning)}
.tag.handled{background:rgba(29,158,117,.15);color:var(--normal)}
.tag.pending{background:rgba(90,107,133,.15);color:var(--text-tertiary)}

/* ===== Report Page ===== */
.report-form{background:var(--bg-card);border:1px solid var(--border-light);border-radius:10px;padding:20px;margin-bottom:18px;display:flex;gap:16px;align-items:flex-end;flex-wrap:wrap}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field label{font-size:12px;color:var(--text-secondary)}
.form-field select,.form-field input{background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);padding:8px 12px;font-size:13px}
.btn-primary{padding:8px 20px;background:var(--accent);color:#fff;border-radius:6px;font-size:13px;font-weight:500}
.btn-primary:hover{opacity:.9}
.btn-secondary{padding:8px 20px;background:transparent;color:var(--text-secondary);border:1px solid var(--border);border-radius:6px;font-size:13px}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}
.report-actions{display:flex;gap:10px;margin-bottom:18px}
.report-preview{background:var(--bg-card);border:1px solid var(--border-light);border-radius:10px;padding:30px;min-height:400px}
.report-empty{text-align:center;color:var(--text-tertiary);padding:80px 0;font-size:14px}
.report-header{text-align:center;margin-bottom:24px;padding-bottom:20px;border-bottom:2px solid var(--border)}
.report-header h2{font-size:20px;font-weight:500;margin-bottom:8px}
.report-header .meta{font-size:13px;color:var(--text-secondary);line-height:1.8}
.report-section{margin-bottom:24px}
.report-section h3{font-size:15px;font-weight:500;margin-bottom:12px;padding-left:10px;border-left:3px solid var(--accent)}
.report-conclusion{background:var(--bg-primary);border-radius:8px;padding:16px;font-size:13px;line-height:1.8;color:var(--text-secondary)}

/* ===== Settings Page ===== */
.settings-layout{display:grid;grid-template-columns:180px 1fr;gap:18px;min-height:calc(100vh - var(--topbar-h) - 40px)}
.settings-tabs{display:flex;flex-direction:column;gap:4px}
.settings-tab{padding:12px 16px;border-radius:8px;font-size:14px;color:var(--text-secondary);cursor:pointer;transition:background .2s,color .2s}
.settings-tab:hover{background:var(--bg-tertiary);color:var(--text-primary)}
.settings-tab.active{background:var(--accent);color:#fff}
.settings-body{background:var(--bg-card);border:1px solid var(--border-light);border-radius:10px;padding:24px}
.settings-section{display:none}
.settings-section.active{display:block}
.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.section-header h3{font-size:17px;font-weight:500}
.section-desc{font-size:13px;color:var(--text-secondary);margin-bottom:24px;line-height:1.6}

.form-group{margin-bottom:22px}
.form-group>label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:10px;font-weight:500}
.radio-group{display:flex;gap:20px;flex-wrap:wrap}
.radio-item{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-primary);cursor:pointer}
.radio-item input{accent-color:var(--accent)}
.checkbox-group{display:flex;flex-direction:column;gap:12px}
.check-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-primary);cursor:pointer}
.check-item input{accent-color:var(--accent)}
.sub-options{padding-left:28px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;transition:opacity .2s}
.option-label{font-size:13px;color:var(--text-secondary)}
.input-small{width:70px;padding:6px 10px;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:13px;font-family:var(--mono)}
.input-wide{width:100%;max-width:400px;padding:8px 12px;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:13px}
.input-wide:read-only{opacity:.6;cursor:not-allowed}
.select-input{padding:8px 12px;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:13px;min-width:160px}
.time-range{display:flex;align-items:center;gap:10px}
.input-time{padding:6px 10px;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:13px}

.switch-row{display:flex;align-items:center;gap:12px}
.switch{position:relative;display:inline-block;width:40px;height:22px}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;cursor:pointer;inset:0;background:var(--bg-tertiary);border-radius:22px;transition:.3s}
.slider::before{content:"";position:absolute;height:16px;width:16px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.3s}
.switch input:checked+.slider{background:var(--accent)}
.switch input:checked+.slider::before{transform:translateX(18px)}
.switch-label{font-size:13px;color:var(--text-secondary)}

.switch-sm{position:relative;display:inline-block;width:34px;height:18px}
.switch-sm input{opacity:0;width:0;height:0}
.slider-sm{position:absolute;cursor:pointer;inset:0;background:var(--bg-tertiary);border-radius:18px;transition:.3s}
.slider-sm::before{content:"";position:absolute;height:12px;width:12px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.3s}
.switch-sm input:checked+.slider-sm{background:var(--accent)}
.switch-sm input:checked+.slider-sm::before{transform:translateX(16px)}

.form-divider{height:1px;background:var(--border-light);margin:24px 0}

/* Theme Cards */
.theme-grid{display:flex;gap:16px;flex-wrap:wrap}
.theme-card{cursor:pointer;border:2px solid var(--border);border-radius:10px;padding:12px;width:160px;transition:border-color .2s}
.theme-card.active{border-color:var(--accent)}
.theme-card:hover{border-color:var(--text-tertiary)}
.theme-card.active:hover{border-color:var(--accent)}
.theme-preview{height:60px;border-radius:6px;display:flex;align-items:flex-end;gap:3px;padding:6px;margin-bottom:8px}
.theme-preview .tp-bar{flex:1;border-radius:2px}
.dark-theme{background:#0d1b2a}
.dark-theme .tp-so2{background:#1D9E75;height:70%}
.dark-theme .tp-nox{background:#EF9F27;height:85%}
.dark-theme .tp-pm{background:#378ADD;height:55%}
.tech-theme{background:#0a1a1e}
.tech-theme .tp-so2{background:#00b8a9;height:70%}
.tech-theme .tp-nox{background:#f5a623;height:85%}
.tech-theme .tp-pm{background:#00b8a9;height:55%;opacity:.6}
.warm-theme{background:#1e1a17}
.warm-theme .tp-so2{background:#7cb342;height:70%}
.warm-theme .tp-nox{background:#ffa726;height:85%}
.warm-theme .tp-pm{background:#d4a05a;height:55%}
.theme-card span{font-size:12px;color:var(--text-secondary)}
.theme-card.active span{color:var(--text-primary)}

/* Device Config Cards */
.dev-config-card{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:8px;margin-bottom:12px;overflow:hidden}
.dev-config-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;cursor:pointer;transition:background .2s}
.dev-config-head:hover{background:var(--bg-tertiary)}
.dc-name{font-size:14px;font-weight:500;display:flex;align-items:center;gap:8px}
.dc-info{font-size:12px;color:var(--text-secondary)}
.dc-toggle{font-size:12px;color:var(--text-tertiary);transition:transform .2s}
.dev-config-body{display:none;padding:16px;border-top:1px solid var(--border-light)}
.dc-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.dc-field{display:flex;flex-direction:column;gap:6px}
.dc-field label{font-size:12px;color:var(--text-secondary)}
.dc-input{padding:7px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:13px}
.dc-threshold-table{width:100%;border-collapse:collapse;font-size:12px;margin-bottom:16px}
.dc-threshold-table th{text-align:left;padding:8px 10px;color:var(--text-secondary);font-weight:500;border-bottom:1px solid var(--border);white-space:nowrap}
.dc-threshold-table td{padding:8px 10px;border-bottom:1px solid var(--border-light)}
.dc-input-sm{width:70px;padding:5px 8px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:5px;color:var(--text-primary);font-size:12px;font-family:var(--mono)}

/* Toast */
.settings-toast{position:fixed;top:20px;right:20px;padding:12px 20px;border-radius:8px;font-size:14px;z-index:2000;opacity:0;transform:translateY(-10px);transition:opacity .3s,transform .3s}
.settings-toast.success{background:var(--normal);color:#fff}
.settings-toast.error{background:var(--alarm);color:#fff}
.settings-toast.info{background:var(--accent);color:#fff}
.settings-toast.show{opacity:1;transform:translateY(0)}

/* 居中 Toast（通用） */
.app-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);padding:14px 28px;border-radius:10px;font-size:14px;z-index:2000;opacity:0;transition:opacity .3s,transform .3s;box-shadow:0 8px 32px rgba(0,0,0,.4);text-align:center}
.app-toast.info{background:var(--accent);color:#fff}
.app-toast.success{background:var(--normal);color:#fff}
.app-toast.error{background:var(--alarm);color:#fff}
.app-toast.show{opacity:1;transform:translate(-50%,-50%) scale(1)}

/* ===== Alarm Modal ===== */
.status-item.clickable{cursor:pointer;transition:border-color .2s,box-shadow .2s}
.status-item.clickable:hover{border-color:var(--accent);box-shadow:0 0 8px rgba(55,138,221,.15)}
.status-arrow{margin-left:auto;color:var(--text-tertiary);font-size:14px;transition:transform .2s}
.status-item.clickable:hover .status-arrow{color:var(--accent);transform:translateX(3px)}

.alarm-modal{position:fixed;inset:0;z-index:999;display:none;align-items:center;justify-content:center}
.alarm-modal.active{display:flex}
.alarm-modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(2px)}
.alarm-modal-box{position:relative;width:780px;max-width:92vw;max-height:80vh;background:var(--bg-secondary);border:1px solid var(--border);border-radius:14px;display:flex;flex-direction:column;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.alarm-modal-head{display:flex;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--border-light)}
.amm-title{font-size:16px;font-weight:500}
.amm-count{font-size:13px;color:var(--text-secondary);background:var(--bg-primary);padding:3px 10px;border-radius:6px}
.amm-close{margin-left:auto;background:transparent;color:var(--text-tertiary);font-size:18px;padding:4px 8px}
.amm-close:hover{color:var(--alarm)}
.alarm-modal-body{flex:1;overflow-y:auto;padding:16px 22px}
.alarm-empty{text-align:center;color:var(--text-tertiary);padding:60px 0;font-size:14px}

.alarm-card{display:flex;gap:14px;background:var(--bg-card);border:1px solid var(--border-light);border-left:3px solid var(--border);border-radius:8px;padding:14px;margin-bottom:12px}
.alarm-card.warning{border-left-color:var(--warning)}
.alarm-card.alarm{border-left-color:var(--alarm)}
.alarm-card:hover{border-color:var(--text-tertiary)}
.alarm-card.warning:hover{border-left-color:var(--warning)}
.alarm-card.alarm:hover{border-left-color:var(--alarm)}

.alarm-photo{width:140px;height:90px;border-radius:6px;overflow:hidden;flex-shrink:0;position:relative;cursor:pointer}
.alarm-photo img{width:100%;height:100%;object-fit:cover;display:block}
.alarm-photo .ap-level{position:absolute;top:4px;left:4px;font-size:10px;padding:1px 6px;border-radius:3px;color:#fff}
.alarm-photo .ap-level.warning{background:rgba(239,159,39,.85)}
.alarm-photo .ap-level.alarm{background:rgba(226,75,74,.85)}

.alarm-info{flex:1;display:flex;flex-direction:column;gap:6px;min-width:0}
.alarm-info .ai-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.alarm-info .ai-time{font-family:var(--mono);font-size:13px;color:var(--text-primary)}
.alarm-info .ai-station{font-size:13px;color:var(--text-secondary)}
.alarm-info .ai-metric{font-size:12px;padding:2px 8px;border-radius:4px;background:var(--bg-primary);color:var(--text-secondary)}
.alarm-info .ai-values{display:flex;gap:16px;flex-wrap:wrap;font-size:13px}
.alarm-info .ai-val-item .ai-val-label{font-size:11px;color:var(--text-tertiary)}
.alarm-info .ai-val-item .ai-val-num{font-family:var(--mono);font-size:14px;font-weight:500}
.alarm-info .ai-val-item .ai-val-num.alarm{color:var(--alarm)}
.alarm-info .ai-val-item .ai-val-num.warning{color:var(--warning)}
.alarm-info .ai-val-item .ai-val-num.normal{color:var(--normal)}
.alarm-info .ai-val-item .ai-val-num.muted{color:var(--text-tertiary)}
.alarm-info .ai-bottom{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-tertiary);margin-top:auto}
.alarm-info .ai-status{font-size:11px;padding:2px 8px;border-radius:4px}
.alarm-info .ai-status.handled{background:rgba(29,158,117,.15);color:var(--normal)}
.alarm-info .ai-status.pending{background:rgba(90,107,133,.15);color:var(--text-tertiary)}

/* ===== Scrollbar ===== */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--bg-primary)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}

/* ===== Login Starfield ===== */
.starfield{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
.login-page{position:relative}
.login-card{position:relative;z-index:1}
.login-page::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(circle at 50% 40%,rgba(13,27,42,0) 0%,rgba(13,27,42,.55) 100%)}
@media (prefers-reduced-motion: reduce){.starfield{display:none}}

/* ===== Dashboard Reorder & Range ===== */
.panel-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:10px;padding:14px 18px;margin-bottom:18px}
.chart-block{margin-bottom:18px}
.chart-block .chart-row{margin-bottom:0}
.card-head{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.card-title{font-size:14px;font-weight:500;color:var(--text-primary)}
.mv-group{margin-left:auto;display:flex;gap:4px}
.mv-btn{font-size:12px;line-height:1;color:var(--text-tertiary);background:transparent;border:1px solid var(--border-light);border-radius:5px;padding:2px 6px;cursor:pointer;transition:color .15s,border-color .15s}
.mv-btn:hover{color:var(--accent);border-color:var(--accent)}
.mv-btn.sm{font-size:11px;padding:1px 5px}
.range-tabs{display:flex;gap:6px;flex-wrap:wrap}
.range-tab{font-size:12px;color:var(--text-secondary);background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;padding:4px 10px;cursor:pointer;transition:color .15s,border-color .15s,background .15s}
.range-tab:hover{border-color:var(--accent);color:var(--accent)}
.range-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.panel-card .status-bar{margin-bottom:0}
.panel-card .metric-grid{margin-bottom:0}
.panel-card .chart-row{margin-bottom:0}
.panel-card .bottom-bar{background:transparent;border:none;padding:0}

/* ===== Sidebar Dashboard Additions ===== */
.sidebar-dashboard .sidebar-nav{flex:0 0 auto}
.sidebar-body{flex:1;overflow-y:auto;padding:4px 10px 12px}
.demo-tag{display:inline-block;border:1px solid var(--accent);color:var(--accent);font-size:11px;padding:1px 8px;border-radius:6px;margin-bottom:8px}
.demo-note{font-size:11px;color:var(--text-tertiary);line-height:1.5;margin-bottom:10px}
.persuade{border-left:3px solid var(--warning);background:var(--bg-card);padding:8px 10px;border-radius:0 8px 8px 0;color:var(--text-secondary);font-size:12px;line-height:1.6;margin-bottom:12px}
.trial-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:10px;padding:12px;margin-bottom:12px}
.trial-title{font-size:13px;font-weight:500;color:var(--text-primary);margin-bottom:8px}
.trial-row{display:flex;justify-content:space-between;font-size:12px;color:var(--text-secondary);margin-bottom:5px}
.trial-row b{color:var(--text-primary);font-family:var(--mono)}
.trial-bar{height:6px;background:var(--bg-primary);border-radius:4px;overflow:hidden;margin:6px 0 8px}
.trial-bar>i{display:block;height:100%;background:var(--accent);border-radius:4px;transition:width .4s}
.sidebar-links{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.sidebar-links a{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-secondary);text-decoration:none;padding:9px 12px;border-radius:8px;border:1px solid var(--border-light);background:var(--bg-card);transition:color .15s,border-color .15s}
.sidebar-links a:hover{color:var(--accent);border-color:var(--accent)}
.sidebar-links .ext{color:var(--text-tertiary);font-size:12px}
.eng-block{border-top:1px solid var(--border-light);padding-top:10px;font-size:12px;color:var(--text-secondary);line-height:1.7}
.eng-block .eng-title{font-size:13px;font-weight:500;color:var(--text-primary);margin-bottom:6px}
.eng-block a{color:var(--accent);text-decoration:none}
.eng-qr{width:88px;height:88px;border-radius:6px;border:1px solid var(--border-light);margin-top:8px;object-fit:cover;background:var(--bg-primary);display:block}

/* ===== Alarm History Enhancements ===== */
.alarm-search{margin-left:auto}
.alarm-date{display:inline-flex;align-items:center;gap:6px}
.a-input{background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-size:12px;padding:5px 10px;color-scheme:dark}
.a-input::placeholder{color:var(--text-tertiary)}
.a-sep{color:var(--text-tertiary);font-size:12px}
.alarm-kpis{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:16px}
.kpi-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:10px;padding:14px}
.kpi-label{font-size:12px;color:var(--text-secondary);margin-bottom:6px}
.kpi-num{font-size:24px;font-weight:500;color:var(--text-primary);font-family:var(--mono)}
.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:16px}
.chart-box{width:100%;height:240px}
.chart-duo{display:flex;gap:12px}
.chart-duo-item{flex:1;min-width:0}
.chart-duo-label{font-size:12px;font-weight:500;color:var(--text-secondary);padding:0 0 6px}
.data-table th.sortable{cursor:pointer;user-select:none;white-space:nowrap}
.data-table th.sortable:hover{color:var(--accent)}
.sort-ind{display:inline-block;margin-left:4px;color:var(--text-tertiary);font-size:10px}
.data-table th.sort-asc .sort-ind,.data-table th.sort-desc .sort-ind{color:var(--accent)}
.risk-list{display:flex;flex-direction:column;gap:14px;padding:4px 0}
.risk-item{font-size:13px}
.risk-top{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.risk-rank{color:var(--text-tertiary);font-size:12px}
.risk-name{color:var(--text-primary);font-weight:500}
.risk-val{margin-left:auto;color:var(--text-secondary);font-family:var(--mono)}
.risk-bar{height:8px;background:var(--bg-primary);border-radius:5px;overflow:hidden}
.risk-bar>i{display:block;height:100%;border-radius:5px;transition:width .4s}
.risk-sub{font-size:11px;color:var(--text-tertiary);margin-top:4px}
.risk-empty{padding:20px;text-align:center;color:var(--text-tertiary)}

/* 分页 */
.pagination{display:flex;align-items:center;justify-content:flex-end;gap:6px;padding:14px 4px 4px;flex-wrap:wrap}
.pagination .page-info{font-size:12px;color:var(--text-tertiary);margin-right:auto}
.pagination .page-ctrls{display:flex;align-items:center;gap:4px}
.page-btn{min-width:30px;height:30px;padding:0 8px;display:inline-flex;align-items:center;justify-content:center;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-size:12px;cursor:pointer;transition:all .15s}
.page-btn:hover:not(.disabled):not(.active){border-color:var(--accent);color:var(--accent)}
.page-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.page-btn.disabled{opacity:.4;cursor:not-allowed}
.page-ellipsis{color:var(--text-tertiary);font-size:12px;padding:0 2px;user-select:none}

/* 主图：设备数据趋势 */
.mc-panel{margin-bottom:18px}
.mc-controls{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:10px 0 14px;border-bottom:1px solid var(--border-light)}
.mc-group{display:flex;align-items:center;gap:6px}
.mc-group>label{font-size:12px;color:var(--text-tertiary);white-space:nowrap}
.mc-tree-group{position:relative}
.mc-tree-dropdown{position:relative}
.mc-tree-btn{display:flex;align-items:center;gap:6px;min-width:200px;padding:5px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-size:12px;cursor:pointer;white-space:nowrap}
.mc-tree-btn:hover{border-color:var(--accent)}
.mc-tree-btn #mcTreeSummary{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis}
.mc-caret{display:inline-block;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid var(--text-tertiary);transition:transform .2s}
.mc-tree-panel{display:none;position:absolute;top:calc(100% + 4px);left:0;z-index:100;min-width:280px;max-height:360px;overflow-y:auto;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.3);padding:6px}
.mc-tree-panel.open{display:block}
.mc-tree-node{margin:1px 0}
.mc-tree-label{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:5px;cursor:pointer;font-size:12px;color:var(--text-secondary);user-select:none}
.mc-tree-label:hover{background:var(--bg-tertiary)}
.mc-tree-label input[type="checkbox"]{accent-color:var(--accent);cursor:pointer;flex-shrink:0}
.mc-tree-icon{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;font-size:10px;color:var(--text-tertiary);cursor:pointer;flex-shrink:0}
.mc-tree-name em{font-style:normal;color:var(--text-tertiary);font-size:11px}
.mc-tree-children{padding-left:20px}
.mc-tree-node.collapsed>.mc-tree-children{display:none}
.mc-tree-station>.mc-tree-label .mc-tree-name{font-weight:500;color:var(--text-primary)}
.mc-tree-metric>.mc-tree-label{padding-left:24px}

/* 粒度列表 */
.mc-gran-list{display:flex;align-items:center;gap:0;border:1px solid var(--border);border-radius:6px;overflow:hidden}
.mc-gran-item{display:flex;align-items:center;cursor:pointer}
.mc-gran-item input{position:absolute;opacity:0;pointer-events:none}
.mc-gran-item span{display:block;padding:5px 10px;font-size:12px;color:var(--text-secondary);border-right:1px solid var(--border);transition:all .15s;white-space:nowrap}
.mc-gran-item:last-child span{border-right:none}
.mc-gran-item input:checked+span{background:var(--accent);color:#fff}
.mc-gran-item:hover span{color:var(--accent)}
.mc-gran-item input:checked+span:hover{color:#fff;opacity:.9}

.mc-chart{width:100%;height:380px;padding-top:14px}
.mc-export-btn{display:inline-flex;align-items:center;gap:5px;padding:5px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-size:12px;cursor:pointer;white-space:nowrap;transition:all .15s}
.mc-export-btn:hover{border-color:var(--accent);color:var(--accent)}
.mc-export-btn svg{width:13px;height:13px;flex-shrink:0}
.mc-bar-head{display:flex;align-items:center;justify-content:space-between;padding:10px 0 0;border-top:1px solid var(--border-light);margin-top:6px}
.mc-bar-head>span:first-child{font-size:13px;font-weight:500;color:var(--text-secondary)}
.mc-bar-hint{font-size:11px;color:var(--text-tertiary)}
.mc-chart-bar{width:100%;height:200px;padding-top:6px}

@media(max-width:1200px){.alarm-kpis{grid-template-columns:repeat(3,1fr)}.chart-grid{grid-template-columns:1fr}}
@media(max-width:768px){.alarm-kpis{grid-template-columns:repeat(2,1fr)}.alarm-search{margin-left:0}.filter-bar{flex-wrap:wrap}.chart-box{height:210px}.chart-duo{flex-direction:column}.mc-chart{height:300px}.mc-chart-bar{height:180px}.mc-tree-panel{min-width:240px}.mc-gran-list{flex-wrap:wrap}}

/* 导出 PDF 用的浅色模式：html2canvas 通过 onclone 注入 .pdf-light 到克隆节点，
   该规则不在 @media print 内，故截图时同样生效（屏幕本体仍是深色主题） */
.pdf-light{background:#fff!important;color:#000!important}
.pdf-light *{color:#000!important}
.pdf-light .report-preview{background:#fff!important;border:none!important;padding:0!important}
.pdf-light .report-header h2,
.pdf-light .report-header .meta,
.pdf-light .report-section h3{color:#000!important}
.pdf-light .report-section h3{border-left-color:#000!important}
.pdf-light .report-conclusion{background:#fff!important;border:1px solid #ccc!important;color:#000!important}
.pdf-light .data-table th{color:#000!important;background:#f2f2f2!important;border-bottom:1px solid #ccc!important}
.pdf-light .data-table td{color:#000!important;border-bottom:1px solid #eee!important}
.pdf-light .tag{color:#000!important;background:transparent!important;border:1px solid #999!important}

@media print{
  html{background:#fff!important}
  .sidebar,.topbar,.report-actions,.report-form{display:none!important}
  .main-content{margin-left:0!important}
  .report-preview{border:none;padding:0;background:#fff!important;color:#000!important}
  body{background:#fff;color:#000}
  .report-preview *{color:#000!important}
  .report-header h2,
  .report-header .meta,
  .report-section h3{color:#000!important}
  .report-section h3{border-left-color:#000!important}
  .report-conclusion{background:#fff!important;border:1px solid #ccc!important}
  .data-table th{color:#000!important;background:#f2f2f2!important;border-bottom:1px solid #ccc!important}
  .data-table td{color:#000!important;border-bottom:1px solid #eee!important}
  .tag{color:#000!important;background:transparent!important;border:1px solid #999!important}
}

@media(max-width:1200px){.metric-grid{grid-template-columns:repeat(3,1fr)}.chart-row{grid-template-columns:1fr}}
@media(max-width:768px){.sidebar{transform:translateX(-100%)}.app-layout.sidebar-open .sidebar{transform:translateX(0)}.main-content{margin-left:0}.metric-grid{grid-template-columns:repeat(2,1fr)}.status-bar{flex-direction:column}.status-item{width:100%}}

/* ===== 设置页：新增交互（监测点增删改 / 指标管理） ===== */
.section-actions{display:flex;gap:8px;align-items:center}
.dc-actions{display:flex;align-items:center;gap:10px}
.dc-del{padding:3px 10px;background:transparent;color:var(--alarm);border:1px solid var(--alarm);border-radius:5px;font-size:12px;cursor:pointer}
.dc-del:hover{background:var(--alarm);color:#fff}
.metric-config-list{display:flex;flex-direction:column;gap:10px}
.metric-config-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px;padding:12px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px}
.mc-field{display:flex;flex-direction:column;gap:4px}
.mc-field label{font-size:12px;color:var(--text-secondary)}
.mc-field .dc-input,.mc-field .dc-input-sm{width:auto;min-width:90px}
.mc-del-col{justify-content:flex-end}
@media(max-width:768px){.metric-config-row{gap:10px}.mc-del-col{width:100%}}

/* 阈值表内联可编辑指标名/单位 */
.dc-threshold-table td input.dc-inline{width:92%;min-width:60px;padding:4px 6px;font-size:12px}
.dc-threshold-table td{vertical-align:middle}
/* 阈值表每行指标名 + 删除按钮 */
.ind-cell{display:flex;align-items:center;gap:4px}
.ind-cell .dc-inline{flex:1;min-width:0}
.ind-del{flex:0 0 auto;width:20px;height:20px;line-height:18px;padding:0;background:transparent;color:var(--alarm);border:1px solid var(--alarm);border-radius:50%;font-size:13px;cursor:pointer}
.ind-del:hover{background:var(--alarm);color:#fff}

/* 侧栏促销文案高亮 */
.hl-free{color:var(--accent);font-weight:700;font-size:13px}
.hl-price{color:var(--warning);font-weight:700}

/* ===== 三层架构：看板设备分组卡片 ===== */
.metric-grid{display:flex;flex-direction:column;gap:18px;margin-bottom:18px}
.metric-device-group{background:var(--bg-card);border:1px solid var(--border-light);border-radius:10px;padding:16px}
.metric-device-label{font-size:13px;color:var(--text-secondary);margin-bottom:12px;display:flex;align-items:center;gap:8px;font-weight:500}
.metric-device-label .status-dot{width:8px;height:8px}
.metric-device-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px}
.metric-device-cards .metric-card{background:var(--bg-primary)}

/* ===== 三层架构：站点管理-设备实例块 ===== */
.station-device-block{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:14px;margin-bottom:12px}
.station-device-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.sd-name{font-size:13px;font-weight:500;display:flex;align-items:center;gap:8px}
.sd-name .status-dot{width:8px;height:8px}

/* ===== 三层架构：指标目录分类 ===== */
.catalog-category{margin-bottom:24px}
.catalog-cat-header{font-size:14px;font-weight:500;color:var(--accent);margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--border-light)}
.catalog-cat-count{font-size:12px;color:var(--text-tertiary);font-weight:normal;margin-left:4px}
.catalog-category .dc-threshold-table{margin-bottom:0}
.catalog-category code{font-family:var(--mono);font-size:11px;color:var(--text-tertiary);background:var(--bg-primary);padding:2px 6px;border-radius:4px}

/* ===== 子区域标题（实景参数在系统设置内）===== */
.sub-section-title{font-size:15px;font-weight:500;color:var(--text-primary);margin:8px 0 16px}

/* ===== 响应式：设备分组卡片 ===== */
@media(max-width:1200px){.metric-device-cards{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}}
@media(max-width:768px){.metric-device-cards{grid-template-columns:repeat(2,1fr)}}