/* ════════════════════════════════════════
   监控大屏 — 全局样式（纯展示模式）
   ════════════════════════════════════════ */

:root {
  --bg0:         #0a0e14;
  --bg1:         #111820;
  --bg2:         #161e28;
  --bg3:         #1c2532;
  --bg4:         #232d3b;
  --border:      #263040;
  --border-light:#303a4c;
  --text:        #c8d4e3;
  --text-bright: #e8edf5;
  --text-dim:    #6b7a90;
  --accent:      #4da6ff;
  --accent-dim:  rgba(77,166,255,.15);
  --green:       #3dd68c;
  --green-dim:   rgba(61,214,140,.12);
  --red:         #f4514e;
  --red-dim:     rgba(244,81,78,.12);
  --orange:      #f5a623;
  --orange-dim:  rgba(245,166,35,.12);
  --yellow:      #f0c040;
  --yellow-dim:  rgba(240,192,64,.12);
  --purple:      #a78bfa;
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --shadow:     0 4px 20px rgba(0,0,0,.35);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.4);
}

/* 明亮模式 */
:root[data-theme="light"] {
  --bg0:         #f8fafc;
  --bg1:         #ffffff;
  --bg2:         #f1f5f9;
  --bg3:         #e2e8f0;
  --bg4:         #cbd5e1;
  --border:      #e2e8f0;
  --border-light:#cbd5e1;
  --text:        #334155;
  --text-bright: #0f172a;
  --text-dim:    #64748b;
  --accent:      #2563eb;
  --accent-dim:  rgba(37,99,235,.1);
  --green:       #16a34a;
  --green-dim:   rgba(22,163,74,.1);
  --red:         #dc2626;
  --red-dim:     rgba(220,38,38,.1);
  --orange:      #ea580c;
  --orange-dim:  rgba(234,88,12,.1);
  --yellow:      #ca8a04;
  --yellow-dim:  rgba(202,138,4,.1);
  --purple:      #7c3aed;
  --shadow:     0 4px 20px rgba(0,0,0,.08);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg0);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

/* ── 滚动条美化 ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg0); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ═══ 顶部导航 ═══ */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px;
  height: 60px;
  background: linear-gradient(180deg, var(--bg2), var(--bg1));
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(12px);
}
.topbar-logo {
  display: flex; align-items: center; gap: 12px;
}
.logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, #4da6ff, #3dd68c, #a78bfa);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px;
  box-shadow: 0 2px 12px rgba(77,166,255,.3);
}
.topbar-logo h1 {
  font-size: 17px; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: .3px;
}
.topbar-right {
  display: flex; align-items: center; gap: 16px;
}
.status-indicator {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-dim);
  background: var(--green-dim); border: 1px solid rgba(61,214,140,.2);
  padding: 4px 12px; border-radius: 20px;
}
.status-indicator i {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-glow 2s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%,100% { opacity: 1; box-shadow: 0 0 6px var(--green); }
  50%      { opacity: .5; box-shadow: 0 0 2px var(--green); }
}
.refresh-badge {
  font-size: 12px; color: var(--text-dim);
  background: var(--bg3);
  padding: 5px 13px; border-radius: 20px;
  border: 1px solid var(--border);
  min-width: 70px; /* 固定最小宽度，防止时间变化导致宽度变化 */
  text-align: center; /* 确保文本居中显示 */
}
.refresh-badge strong { color: var(--accent); }

/* ── 按钮 ── */
.btn {
  padding: 7px 16px; border-radius: var(--radius-sm);
  font-size: 13px; cursor: pointer; border: none; font-weight: 500;
  transition: all .2s ease; display: inline-flex; align-items: center; gap: 5px;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-accent  { background: linear-gradient(135deg, var(--accent), #3b8fd9); color: #fff; box-shadow: 0 2px 10px rgba(77,166,255,.3); }
.btn-accent:hover { box-shadow: 0 4px 18px rgba(77,166,255,.45); }
.btn-ghost   { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--border-light); background: var(--bg3); }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* 主题切换按钮 */
.theme-toggle {
  padding: 5px 10px;
  font-size: 16px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: all .2s ease;
}
.theme-toggle:hover {
  color: var(--accent);
  transform: rotate(15deg);
}

/* ═══ 主容器 ═══ */
.main { padding: 16px 28px; max-width: 1600px; margin: 0 auto; }


/* ═══ 统计卡片条 ═══ */
.stat-bar-wrap {
  display: flex;
  align-items: stretch;
  gap: 10px;
  margin-bottom: 14px;
}
.stat-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
  align-items: center;
  flex: 1;
}
.stat-bar-flex {
  grid-template-columns: repeat(8, 1fr);
  gap: 10px;
  margin-bottom: 0;
}
.stat-bar-9 {
  grid-template-columns: repeat(9, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}

/* 自定义按钮 */
.stat-customize-btn {
  flex-shrink: 0;
  width: 36px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
  line-height: 1;
}
.stat-customize-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

/* ── 自定义面板 ── */
.stat-customize-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 300;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 70px 24px 0 0;
}
.stat-customize-overlay.open { display: flex; }
.stat-customize-panel {
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 340px;
  box-shadow: 0 24px 60px rgba(0,0,0,.6);
  animation: fadeIn .2s ease;
}
.scp-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 14px; font-weight: 600; color: var(--text-bright);
}
.scp-close {
  background: none; border: none; color: var(--text-dim);
  font-size: 20px; cursor: pointer; line-height: 1; padding: 0 2px;
}
.scp-close:hover { color: var(--text); }
.scp-hint {
  padding: 10px 20px 6px;
  font-size: 11px; color: var(--text-dim);
}
.scp-list {
  list-style: none;
  padding: 6px 12px 10px;
  max-height: 360px;
  overflow-y: auto;
}
.scp-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  cursor: grab;
  transition: background .15s;
  user-select: none;
}
.scp-item:hover { background: var(--bg2); }
.scp-item.scp-dragging { opacity: .4; }
.scp-item.scp-dragover { background: var(--accent-dim); border: 1px dashed var(--accent); }
.scp-item.scp-hidden .scp-name { opacity: .4; text-decoration: line-through; }
.scp-drag { color: var(--text-dim); font-size: 14px; cursor: grab; }
.scp-icon { font-size: 16px; width: 22px; text-align: center; }
.scp-name { flex: 1; font-size: 13px; color: var(--text); }
/* Toggle 开关 */
.scp-toggle { position: relative; display: inline-block; width: 36px; height: 20px; flex-shrink: 0; }
.scp-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.scp-toggle-track {
  position: absolute; inset: 0;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 20px; cursor: pointer;
  transition: background .2s, border-color .2s;
}
.scp-toggle-track::after {
  content: ''; position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  background: var(--text-dim);
  border-radius: 50%;
  transition: transform .2s, background .2s;
}
.scp-toggle input:checked + .scp-toggle-track { background: rgba(56,139,253,.25); border-color: var(--accent); }
.scp-toggle input:checked + .scp-toggle-track::after { transform: translateX(16px); background: var(--accent); }
/* 底部 */
.scp-footer {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}
.scp-btn-reset {
  background: none; border: 1px solid var(--border);
  color: var(--text-dim); border-radius: 7px;
  padding: 7px 14px; font-size: 12px; cursor: pointer;
}
.scp-btn-reset:hover { color: var(--text); }
.scp-btn-save {
  background: var(--accent); border: none;
  color: #fff; border-radius: 7px;
  padding: 7px 18px; font-size: 12px; cursor: pointer; font-weight: 600;
}
.scp-btn-save:hover { opacity: .85; }

.stat-card {
  background: linear-gradient(145deg, var(--bg1), var(--bg2));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
  position: relative; overflow: hidden;
  transition: transform .2s, border-color .2s;
}
.stat-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  opacity: .7;
}
.stat-card.stat-total::before { background: linear-gradient(90deg, var(--accent), var(--purple)); }
.stat-card.stat-online::before { background: linear-gradient(90deg, var(--green), #2ec47c); }
.stat-card.stat-offline::before { background: linear-gradient(90deg, var(--red), #d43d3a); }
.stat-card.stat-alert::before  { background: linear-gradient(90deg, var(--orange), var(--yellow)); }
.stat-card.stat-env-total::before  { background: linear-gradient(90deg, var(--accent), var(--purple)); }
.stat-card.stat-env-online::before { background: linear-gradient(90deg, var(--green), #2ec47c); }
.stat-card.stat-env-alert::before  { background: linear-gradient(90deg, var(--orange), var(--yellow)); }
.stat-card.stat-env-temp::before   { background: linear-gradient(90deg, var(--orange), #e89020); }
.stat-card.stat-env-humi::before   { background: linear-gradient(90deg, var(--purple), #8b6ce0); }

.stat-card:hover { transform: translateY(-2px); border-color: var(--border-light); }
.stat-icon-wrap {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}
.stat-total .stat-icon-wrap,
.stat-env-total .stat-icon-wrap { background: var(--accent-dim); }
.stat-online .stat-icon-wrap,
.stat-env-online .stat-icon-wrap { background: var(--green-dim); }
.stat-offline .stat-icon-wrap { background: var(--red-dim); }
.stat-alert .stat-icon-wrap,
.stat-env-alert .stat-icon-wrap { background: var(--orange-dim); }
.stat-env-temp .stat-icon-wrap { background: var(--orange-dim); }
.stat-env-humi .stat-icon-wrap { background: rgba(167,139,250,.12); }

.stat-label { font-size: 11px; color: var(--text-dim); margin-bottom: 2px; text-transform: uppercase; letter-spacing: .4px; white-space: nowrap; }
.stat-value { font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.2; }
.stat-total .stat-value,
.stat-env-total .stat-value { color: var(--accent); }
.stat-online .stat-value,
.stat-env-online .stat-value { color: var(--green); }
.stat-offline .stat-value { color: var(--red); }
.stat-alert .stat-value,
.stat-env-alert .stat-value { color: var(--orange); }
.stat-env-temp .stat-value { color: var(--orange); }
.stat-env-humi .stat-value { color: var(--purple); }

/* ═══ 选项卡 ═══ */
.tabs {
  display: flex; gap: 2px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}
.tab-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 18px; font-size: 13px; font-weight: 500;
  background: transparent; border: none; border-bottom: 2.5px solid transparent;
  color: var(--text-dim); cursor: pointer;
  transition: all .2s ease; margin-bottom: -1px;
  border-radius: 0;
}
.tab-btn span { font-size: 15px; }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-btn:hover:not(.active) { color: var(--text); background: rgba(255,255,255,.02); }
.tab-panel { display: none; animation: fadeIn .25s ease; }
.tab-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ═══ 面板标题 ═══ */
.panel-header { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.panel-header h2 { font-size: 16px; font-weight: 600; color: var(--text-bright); }
.panel-dot {
  width: 4px; height: 18px; border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), var(--green));
  flex-shrink: 0;
}

/* ═══ 服务器网格 ═══ */
.servers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(440px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.server-card {
  background: linear-gradient(145deg, var(--bg1) 0%, var(--bg2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .25s cubic-bezier(.4,0,.2,1);
  position: relative;
}
.server-card::after {
  content:''; position:absolute; left:0; top:0; bottom:0; width:4px;
  border-radius: 4px 0 0 4px;
}
.server-card.status-online::after { background: var(--green); box-shadow: 0 0 10px rgba(61,214,140,.4); }
.server-card.status-offline::after { background: var(--red); box-shadow: 0 0 10px rgba(244,81,78,.4); }
.server-card.status-warn::after   { background: var(--orange); box-shadow: 0 0 10px rgba(245,166,35,.4); }
.server-card:hover { transform: translateY(-3px); border-color: var(--border-light); box-shadow: var(--shadow-lg); }

.card-header-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
}
.card-header-row .server-name { font-weight: 700; font-size: 15.5px; color: var(--text-bright); }
.card-header-row .server-host { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
.status-badge {
  font-size: 11.5px; font-weight: 600; padding: 4px 12px; border-radius: 20px; white-space: nowrap;
  letter-spacing: .3px;
}
.badge-online  { background: var(--green-dim); color: var(--green);  border: 1px solid rgba(61,214,140,.25); }
.badge-offline { background: var(--red-dim);   color: var(--red);    border: 1px solid rgba(244,81,78,.25); }
.badge-warn    { background: var(--orange-dim);color: var(--orange); border: 1px solid rgba(245,166,35,.25); }

.card-body { padding: 18px 20px; }

/* ── 进度指标行 ── */
.metric-row {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 12px;
}
.metric-label { font-size: 12px; color: var(--text-dim); min-width: 92px; font-weight: 500; }
.metric-value { font-size: 13.5px; font-weight: 700; min-width: 56px; text-align: right; font-variant-numeric: tabular-nums; }

.progress-wrap {
  flex: 1; height: 7px; background: var(--bg4); border-radius: 4px; overflow: hidden;
}
.progress-bar {
  height: 100%; border-radius: 4px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
  position: relative;
}
.progress-bar::after {
  content:''; position:absolute;top:0;left:0;right:0;bottom:0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.15) 50%, transparent 100%);
  animation: shimmer 2s infinite;
}
@keyframes shimmer { 0%{transform:translateX(-100%)} 100%{transform:translateX(100%)} }

.prog-green  { background: linear-gradient(90deg, #2ec47c, var(--green)); }
.prog-yellow { background: linear-gradient(90deg, #d4a520, var(--yellow)); }
.prog-red    { background: linear-gradient(90deg, #d43d3a, var(--red)); }

/* ── 磁盘多块显示 ── */
.disk-list { margin-top: 4px; }
.disk-item {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 10px;
  background: var(--bg3); border-radius: 6px;
  margin-bottom: 6px;
  border-left: 3px solid var(--border);
}
.disk-item:last-child { margin-bottom: 0; }
.disk-name { font-size: 11.5px; color: var(--text-dim); min-width: 80px; font-weight: 500; }
.disk-item .progress-wrap { height: 5px; flex: 1; }
.disk-item .metric-value { min-width: 48px; font-size: 12px; }

/* ── 信息网格（网络 / 系统）── */
.info-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; margin-top: 12px;
}
.info-item {
  background: var(--bg3); border-radius: 8px;
  padding: 10px 12px;
  border: 1px solid transparent;
  transition: border-color .2s;
}
.info-item:hover { border-color: var(--border); }
.info-item .lbl { font-size: 11px; color: var(--text-dim); font-weight: 500; text-transform: uppercase; letter-spacing: .3px; }
.info-item .val { font-size: 14px; font-weight: 600; margin-top: 3px; color: var(--accent); }

/* 网卡标签 */
.network-tags {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-left: 8px;
  vertical-align: middle;
}
.net-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--text);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  white-space: nowrap;
  line-height: 1.5;
}

.card-footer {
  padding: 10px 20px;
  background: var(--bg3);
  border-top: 1px solid var(--border);
  font-size: 11.5px; color: var(--text-dim);
  display: flex; justify-content: space-between;
}

/* ── 卡片展开/收起 ── */
.expand-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 5px 0;
  margin: 0 20px;
  font-size: 12px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
  transition: color .2s;
  border-top: 1px solid var(--border);
}
.expand-btn:hover { color: var(--accent); }
.expand-icon { font-size: 10px; transition: transform .2s; }
.server-card.expanded .expand-icon { transform: rotate(180deg); }

.card-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  padding: 0 20px;
}
.server-card.expanded .card-detail {
  max-height: 500px;
  padding: 10px 20px;
}

.disk-list { margin-bottom: 10px; }
.disk-item {
  display: flex; align-items: center; gap: 8px;
  padding: 3px 0; font-size: 12px;
}
.disk-name {
  min-width: 50px; max-width: 100px;
  color: var(--text-dim); white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.disk-item .progress-wrap { flex: 1; }
.disk-item .progress-bar { height: 10px; border-radius: 3px; }

/* ═══ 图表区域 ═══ */
.chart-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px; flex-wrap: wrap; gap: 12px;
}
.chart-controls { display: flex; gap: 10px; }
.chart-controls select,
.charts-grid select {
  background: var(--bg2); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 7px 12px; font-size: 13px;
  outline: none; cursor: pointer; transition: border-color .2s;
}
.chart-controls select:focus,
.charts-grid select:focus { border-color: var(--accent); }
.charts-grid select option { background: var(--bg2); }

.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}
.chart-card {
  background: linear-gradient(145deg, var(--bg1), var(--bg2));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.chart-card .card-header-row {
  padding: 14px 18px;
  background: transparent;
  border-bottom: 1px solid var(--border);
}
.chart-label { font-size: 13.5px; color: var(--text-bright); font-weight: 600; }
.chart-canvas { padding: 12px 14px 16px; height: 240px; }

/* ═══ 告警历史 ═══ */
.alert-table-wrap {
  background: linear-gradient(145deg, var(--bg1), var(--bg2));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
table.alert-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.alert-table th {
  background: var(--bg3);
  text-align: left; font-size: 11.5px; font-weight: 600;
  color: var(--text-dim); text-transform: uppercase; letter-spacing: .5px;
  padding: 12px 18px; border-bottom: 1px solid var(--border);
}
.alert-table td { padding: 12px 18px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.alert-table tr:last-child td { border-bottom: none; }
.alert-table tbody tr:hover td { background: rgba(255,255,255,.02); }
.tag-sent   { background: var(--green-dim);  color: var(--green);  padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.tag-unsent { background: rgba(107,122,144,.12); color: var(--text-dim); padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; }

/* ═══ 空状态 & 加载动画 ═══ */
.empty-state {
  text-align: center; padding: 70px 20px;
  color: var(--text-dim);
}
.empty-state p { margin-top: 14px; font-size: 14px; }
.empty-state .empty-icon { font-size: 44px; margin-bottom: 4px; }

.spinner-sm { width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; }
.spinner-lg { width: 36px; height: 36px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══ 页脚备案信息 ═══ */
.footer {
  background: transparent;
  padding: 0 28px 12px;
  text-align: center;
}
.footer-content {
  display: inline-block;
}
.footer-content a {
  color: #8b949e;
  font-size: 13px;
  text-decoration: none;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.2s ease;
}
.footer-content a:hover {
  color: #c9d1d9;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

/* ═══ 响应式 ═══ */
@media (max-width: 1200px) {
  .stat-bar-9 { grid-template-columns: repeat(5, 1fr); }
  .stat-bar-flex { grid-template-columns: repeat(4, 1fr) !important; }
}
@media (max-width: 1024px) {
  .charts-grid { grid-template-columns: 1fr; }
  .servers-grid { grid-template-columns: 1fr; }
  .stat-bar-9 { grid-template-columns: repeat(4, 1fr); }
  .stat-bar-flex { grid-template-columns: repeat(4, 1fr) !important; }
}
@media (max-width: 900px) {
  .stat-bar { grid-template-columns: 1fr 1fr; }
  .stat-bar-9 { grid-template-columns: repeat(3, 1fr); }
  .stat-bar-flex { grid-template-columns: repeat(3, 1fr) !important; }
  .main { padding: 16px 18px; }
  .topbar { padding: 0 18px; }
  .topbar-logo h1 { font-size: 14px; }
}

/* ═══ 移动端重构 (max-width: 768px) ═══ */
@media (max-width: 768px) {
  /* 顶部导航 */
  .topbar {
    height: 48px;
    padding: 0 10px;
    flex-wrap: nowrap;
    gap: 6px;
  }
  .topbar-logo {
    flex: 1;
    gap: 6px;
    min-width: 0;
  }
  .logo-icon {
    width: 30px;
    height: 30px;
    font-size: 15px;
    flex-shrink: 0;
  }
  .topbar-logo h1 {
    font-size: 12px;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 1;
  }
  .topbar-right {
    gap: 4px;
    flex-wrap: nowrap;
    justify-content: flex-end;
    flex-shrink: 0;
  }
  .status-indicator {
    padding: 3px 6px;
    font-size: 0;
    min-width: 22px;
    flex-shrink: 0;
  }
  .status-indicator i {
    width: 8px;
    height: 8px;
  }
  .status-indicator span {
    display: none;
  }
  .refresh-badge {
    padding: 3px 8px;
    font-size: 10px;
    min-width: 50px;
    flex-shrink: 0;
  }
  .btn-sm {
    padding: 3px 8px;
    font-size: 10px;
    flex-shrink: 0;
  }
  .theme-toggle {
    padding: 3px 6px;
    font-size: 12px;
    flex-shrink: 0;
  }

  /* 主容器 */
  .main {
    padding: 12px;
  }

  /* 统计卡片 - 网格布局 */
  .stat-bar-wrap {
    margin-bottom: 12px;
  }
  .stat-bar,
  .stat-bar-flex {
    display: grid;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px;
    margin-bottom: 0;
  }
  .stat-bar-9 {
    display: grid;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 10px;
  }
  .stat-card {
    padding: 12px 10px;
    gap: 8px;
  }
  .stat-icon-wrap {
    width: 32px;
    height: 32px;
    font-size: 15px;
  }
  .stat-label {
    font-size: 10px;
  }
  .stat-value {
    font-size: 18px;
  }
  .stat-customize-btn {
    display: none;
  }

  /* 选项卡重构 - 横向滚动 */
  .tabs {
    gap: 0;
    margin-bottom: 14px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 1px;
  }
  .tabs::-webkit-scrollbar {
    display: none;
  }
  .tab-btn {
    flex: 0 0 auto;
    padding: 10px 16px;
    font-size: 13px;
    white-space: nowrap;
  }
  .tab-btn span {
    font-size: 15px;
  }

  /* 面板标题 */
  .panel-header {
    margin-bottom: 14px;
  }
  .panel-header h2 {
    font-size: 15px;
  }
  .panel-dot {
    height: 16px;
  }

  /* 服务器卡片 */
  .servers-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .server-card {
    margin-bottom: 0;
  }
  .card-header-row {
    padding: 14px 16px;
  }
  .card-body {
    padding: 14px 16px;
  }
  .card-footer {
    padding: 10px 16px;
  }

  /* 传感器卡片 - 双列布局 */
  .env-sensor-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .env-sensor-card {
    padding: 14px 12px 10px;
  }
  .env-card-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  .env-card-name {
    font-size: 13px;
  }
  .env-card-location {
    font-size: 10px;
  }
  .env-card-value {
    font-size: 26px;
  }
  .env-card-unit {
    font-size: 12px;
  }
  .env-threshold-bar {
    height: 5px;
  }
  .env-threshold-labels {
    font-size: 9px;
  }
  .env-card-meta {
    font-size: 10px;
    padding-top: 8px;
    margin-top: 10px;
  }

  /* 趋势图表 */
  .env-trend-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .chart-canvas {
    height: 180px;
  }
  .chart-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
  }
  .chart-controls {
    width: 100%;
    justify-content: space-between;
  }
  .chart-controls select {
    flex: 1;
    font-size: 12px;
    padding: 6px 10px;
  }

  /* 告警表格 */
  .alert-table th,
  .alert-table td {
    padding: 10px 12px;
    font-size: 12px;
  }
  .alert-table th {
    font-size: 11px;
  }

  /* 信息网格 */
  .info-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* 空状态 */
  .empty-state {
    padding: 40px 20px;
  }
  .empty-state .empty-icon {
    font-size: 36px;
  }
  .empty-state p {
    font-size: 13px;
  }
}

/* ═══ 小屏手机优化 (max-width: 480px) ═══ */
@media (max-width: 480px) {
  .topbar {
    padding: 8px 10px;
  }
  .topbar-logo h1 {
    font-size: 13px;
    max-width: 120px;
  }
  .topbar-right {
    gap: 4px;
  }
  .btn-sm {
    padding: 4px 8px;
    font-size: 10px;
  }
  .refresh-badge {
    padding: 3px 8px;
    font-size: 10px;
    min-width: 50px;
  }
  .status-indicator {
    padding: 3px 8px;
    font-size: 10px;
  }

  .main {
    padding: 10px;
  }

  /* 统计卡片更小 */
  .stat-card {
    padding: 10px 10px;
    gap: 6px;
  }
  .stat-icon-wrap {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
  .stat-value {
    font-size: 18px;
  }
  .stat-label {
    font-size: 9px;
  }

  /* 选项卡 */
  .tab-btn {
    padding: 8px 12px;
    font-size: 12px;
  }
  .tab-btn span {
    font-size: 13px;
  }

  /* 传感器卡片单列 */
  .env-sensor-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .env-sensor-card {
    padding: 16px 14px 12px;
  }
  .env-card-value {
    font-size: 28px;
  }

  /* 图表更小 */
  .chart-canvas {
    height: 160px;
  }

  /* 面板标题 */
  .panel-header h2 {
    font-size: 14px;
  }

  /* 服务器卡片 */
  .card-header-row {
    padding: 12px 14px;
  }
  .card-body {
    padding: 12px 14px;
  }
  .metric-label {
    min-width: 70px;
    font-size: 10px;
  }
  .metric-value {
    font-size: 11px;
  }

  /* 告警表格 */
  .alert-table th,
  .alert-table td {
    padding: 8px 10px;
    font-size: 11px;
  }
}

/* ════════════════════════════════════════
   动环环境 — 传感器卡片 & 阈值条
   ════════════════════════════════════════ */

/* 传感器卡片网格 */
.env-sensor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.env-sensor-card {
  background: linear-gradient(145deg, var(--bg1), var(--bg2));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px 10px;
  position: relative;
  overflow: hidden;
  transition: all .25s cubic-bezier(.4,0,.2,1);
  box-shadow: var(--shadow);
}
.env-sensor-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--accent));
  opacity: .6;
}
.env-sensor-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-light);
  box-shadow: var(--shadow-lg);
}
/* 选中状态 */
.env-sensor-card.selected {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 2px rgba(56,139,253,.35), var(--shadow-lg) !important;
  transform: translateY(-2px);
}
.env-sensor-card.selected::before {
  background: linear-gradient(90deg, var(--accent), #58d6ff) !important;
  opacity: 1 !important;
}

/* 告警状态 */
.env-sensor-card.alert-high::before { background: linear-gradient(90deg, var(--red), var(--orange)); opacity: 1; }
.env-sensor-card.alert-low::before  { background: linear-gradient(90deg, var(--purple), var(--accent)); opacity: 1; }
.env-sensor-card.unavailable::before { background: var(--border); opacity: .4; }

.env-alert-badge {
  position: absolute;
  top: 8px; right: 8px;
  font-size: 10px; font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  letter-spacing: .3px;
}
.env-alert-badge.high { background: var(--red-dim); color: var(--red); border: 1px solid rgba(244,81,78,.3); }
.env-alert-badge.low  { background: rgba(167,139,250,.12); color: var(--purple); border: 1px solid rgba(167,139,250,.3); }

.env-card-icon { font-size: 18px; margin-bottom: 4px; }
.env-card-name { font-size: 13px; font-weight: 700; color: var(--text-bright); margin-bottom: 1px; }
.env-card-location { font-size: 11px; color: var(--text-dim); margin-bottom: 8px; }

.env-card-value-row {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 10px;
}
.env-card-value {
  font-size: 28px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.env-card-value.temp-value  { color: var(--orange); }
.env-card-value.humi-value  { color: var(--purple); }
.env-card-value.unavailable { color: var(--text-dim); font-size: 16px; }
.env-card-unit { font-size: 13px; color: var(--text-dim); font-weight: 500; }

/* 阈值条 */
.env-threshold-wrap { margin-bottom: 8px; }
.env-threshold-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-dim);
  margin-bottom: 3px;
}
.env-threshold-bar {
  height: 5px;
  background: var(--bg4);
  border-radius: 3px;
  overflow: hidden;
}
.env-threshold-fill {
  height: 100%;
  border-radius: 3px;
  transition: width .5s cubic-bezier(.4,0,.2,1);
}

.env-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  color: var(--text-dim);
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.env-ha-badge {
  background: var(--bg3);
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid var(--border);
  font-size: 10px;
}

/* 动环趋势区域 */
.env-trend-section {
  margin-bottom: 20px;
}
.env-trend-grid {
  grid-template-columns: 1fr 1fr;
}

/* 明亮模式特定样式调整 */
:root[data-theme="light"] .stat-card {
  background: linear-gradient(145deg, #ffffff, #f8fafc);
}

:root[data-theme="light"] .server-card {
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
}

:root[data-theme="light"] .env-sensor-card {
  background: linear-gradient(145deg, #ffffff, #f8fafc);
}

:root[data-theme="light"] .chart-card {
  background: linear-gradient(145deg, #ffffff, #f8fafc);
}

:root[data-theme="light"] .alert-table-wrap {
  background: linear-gradient(145deg, #ffffff, #f8fafc);
}

:root[data-theme="light"] .info-item {
  background: #f8fafc;
}

:root[data-theme="light"] .disk-item {
  background: #f8fafc;
}

:root[data-theme="light"] .card-header-row {
  background: #f8fafc;
}

:root[data-theme="light"] .card-footer {
  background: #f8fafc;
}

:root[data-theme="light"] .stat-customize-panel {
  background: #ffffff;
}

:root[data-theme="light"] .scp-item:hover {
  background: #f8fafc;
}

:root[data-theme="light"] .chart-controls select,
:root[data-theme="light"] .charts-grid select {
  background: #ffffff;
  color: #334155;
}

:root[data-theme="light"] .chart-controls select option {
  background: #ffffff;
}