/* ============================================
   Infrastructure Monitor — 統一樣式表
   spec §8 色彩配置 + 全主題支援
   ============================================ */

:root {
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

  /* Light theme */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
  --input-bg: #ffffff;
  --btn-bg: #f1f5f9;
  --btn-hover: #e2e8f0;
  --btn-active-bg: #0f172a;
  --btn-active-text: #ffffff;
  --toolbar-bg: #ffffff;
  --overlay-bg: rgba(0,0,0,0.3);

  /* Status colors (spec §8.1) */
  --ok-badge: #4ade80;
  --ok-bar: #166534;
  --ok-text: #bbf7d0;
  --warn-badge: #fbbf24;
  --warn-bar: #92400e;
  --warn-text: #fef3c7;
  --crit-badge: #f87171;
  --crit-bar: #7f1d1d;
  --crit-text: #fee2e2;
  --down-color: #ef4444;
  --unknown-color: #a78bfa;

  /* Service colors (spec §8.1) */
  --cpu-color: #3b82f6;
  --disk-color: #a78bfa;
  --mem-color: #34d399;
  --net-color: #f59e0b;

  --accent: #3b82f6;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #334155;
  --border-hover: #475569;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.4);
  --input-bg: #1e293b;
  --btn-bg: #334155;
  --btn-hover: #475569;
  --btn-active-bg: #f1f5f9;
  --btn-active-text: #0f172a;
  --toolbar-bg: #1e293b;
  --overlay-bg: rgba(0,0,0,0.6);
}

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

body {
  font-family: var(--font-mono);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
}

/* ========== Login Page ========== */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
}

.login-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 48px;
  text-align: center;
  max-width: 420px;
  width: 90%;
}

.login-icon { font-size: 48px; margin-bottom: 16px; }
.login-title { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.login-desc { font-size: 12px; color: var(--text-secondary); margin-bottom: 24px; line-height: 1.6; }

.form-group {
  text-align: left;
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
  font-weight: 600;
}

.form-group input {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  width: 100%;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus { border-color: var(--accent); }

.login-error {
  font-size: 12px;
  color: #f87171;
  min-height: 20px;
  margin-bottom: 8px;
}

.btn-login {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  padding: 12px 0;
  width: 100%;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-login:hover { background: #2563eb; }
.btn-login:disabled { background: var(--btn-bg); color: var(--text-muted); cursor: not-allowed; }

.login-footer {
  margin-top: 24px;
  font-size: 11px;
  color: var(--text-muted);
}

/* ========== Header ========== */
.header {
  background: var(--toolbar-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 52px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.logo-sub {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 400;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-info {
  font-size: 11px;
  color: var(--text-secondary);
}

.user-role {
  font-size: 9px;
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 700;
  margin-left: 4px;
}

/* ========== Buttons ========== */
.btn {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--btn-bg);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn:hover { background: var(--btn-hover); border-color: var(--border-hover); }

.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: #2563eb; border-color: #2563eb; }

.btn-danger { background: #ef4444; color: #fff; border-color: #ef4444; }
.btn-danger:hover { background: #dc2626; }

.btn-sm { font-size: 11px; padding: 3px 8px; }

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--btn-bg);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all 0.2s;
}

.icon-btn:hover { background: var(--btn-hover); }

/* ========== Tab Navigation ========== */
.tab-nav {
  display: flex;
  gap: 0;
  margin-left: 24px;
}

.tab-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 0 16px;
  height: 52px;
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.tab-btn:hover { color: var(--text-primary); background: var(--bg-tertiary); }

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ========== Toolbar ========== */
.toolbar {
  background: var(--toolbar-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Time range buttons */
.time-btn-group { display: flex; }

.time-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border: 1px solid var(--border-color);
  background: var(--btn-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.time-btn:first-child { border-radius: 6px 0 0 6px; }
.time-btn:last-child { border-radius: 0 6px 6px 0; }
.time-btn:not(:first-child) { border-left: none; }
.time-btn:hover { background: var(--btn-hover); color: var(--text-primary); }
.time-btn.active { background: var(--btn-active-bg); color: var(--btn-active-text); border-color: var(--btn-active-bg); }
.time-btn.active + .time-btn { border-left: 1px solid var(--btn-active-bg); }

/* Custom range */
.custom-range-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--btn-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}
.custom-range-btn:hover { background: var(--btn-hover); color: var(--text-primary); }
.custom-range-btn.active { background: var(--btn-active-bg); color: var(--btn-active-text); border-color: var(--btn-active-bg); }

.custom-panel {
  display: none;
  align-items: center;
  gap: 8px;
}
.custom-panel.show { display: flex; }

.custom-panel input[type="datetime-local"] {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 8px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--input-bg);
  color: var(--text-primary);
  outline: none;
}
.custom-panel input:focus { border-color: var(--accent); }

.separator { color: var(--text-muted); font-size: 12px; }

/* Layout toggle */
.layout-toggle { display: flex; }

.layout-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  background: var(--btn-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 4px;
}
.layout-btn:first-child { border-radius: 6px 0 0 6px; }
.layout-btn:last-child { border-radius: 0 6px 6px 0; border-left: none; }
.layout-btn:hover { background: var(--btn-hover); }
.layout-btn.active { background: var(--btn-active-bg); color: var(--btn-active-text); border-color: var(--btn-active-bg); }

/* Info bar */
.info-bar {
  padding: 8px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}

.range-label {
  background: var(--bg-tertiary);
  padding: 3px 10px;
  border-radius: 4px;
}

/* ========== Main content ========== */
.main {
  padding: 20px 24px;
  max-width: 1400px;
  margin: 0 auto;
}

.tab-page { display: none; }
.tab-page.active { display: block; }

/* Error message */
.error-msg {
  display: none;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 12px;
  margin-bottom: 12px;
}
[data-theme="dark"] .error-msg { background: #450a0a; border-color: #7f1d1d; color: #fca5a5; }
.error-msg.show { display: block; }

/* ========== Horizontal Layout ========== */
.layout-h .svc-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.layout-h .svc-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.svc-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.svc-title { font-size: 14px; font-weight: 700; letter-spacing: 0.5px; }
.svc-subtitle { font-size: 11px; color: var(--text-muted); font-weight: 400; }
.svc-thresholds { font-size: 10px; color: var(--text-muted); margin-left: auto; }

/* Bar rows */
.bar-row {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  border-radius: 6px;
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: pointer;
}
.bar-row:last-child { margin-bottom: 0; }
.bar-row:hover { transform: translateX(3px); box-shadow: var(--shadow-lg); }

.bar-label {
  width: 52px;
  font-size: 11px;
  font-weight: 700;
  padding: 8px 10px;
  border-radius: 6px 0 0 6px;
  text-align: center;
  flex-shrink: 0;
}

.bar-track {
  flex: 1;
  height: 36px;
  background: var(--bg-tertiary);
  border-radius: 0 6px 6px 0;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 0 6px 6px 0;
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 12px;
  font-weight: 600;
  min-width: 60px;
  transition: width 0.6s ease;
}

.bar-fill-text { white-space: nowrap; }

.bar-stats {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 0 10px;
  min-width: 180px;
  text-align: right;
  flex-shrink: 0;
}

/* Status colors */
.status-ok .bar-label { background: var(--ok-badge); color: var(--ok-bar); }
.status-ok .bar-fill { background: var(--ok-bar); color: var(--ok-text); }
.status-warn .bar-label { background: var(--warn-badge); color: var(--warn-bar); }
.status-warn .bar-fill { background: var(--warn-bar); color: var(--warn-text); }
.status-crit .bar-label { background: var(--crit-badge); color: var(--crit-bar); }
.status-crit .bar-fill { background: var(--crit-bar); color: var(--crit-text); }

/* ========== Vertical Layout ========== */
.layout-v { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }

.layout-v .svc-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.layout-v .svc-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.layout-v .svc-card-title { font-size: 14px; font-weight: 700; }
.layout-v .svc-card-sub { font-size: 10px; color: var(--text-muted); margin-left: auto; }

.vbar-group {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  height: 220px;
  padding-top: 10px;
}

.vbar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  cursor: pointer;
  transition: transform 0.15s;
}
.vbar-col:hover { transform: translateY(-3px); }

.vbar-info { text-align: center; margin-bottom: 6px; flex-shrink: 0; }
.vbar-count { font-size: 20px; font-weight: 800; line-height: 1.1; }
.vbar-pct { font-size: 10px; font-weight: 600; }

.vbar-track {
  flex: 1;
  width: 100%;
  background: var(--bg-tertiary);
  border-radius: 6px 6px 0 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.vbar-fill {
  width: 100%;
  border-radius: 6px 6px 0 0;
  transition: height 0.6s ease;
  min-height: 2px;
}

.vbar-label {
  width: 100%;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 0;
  text-align: center;
  border-radius: 0 0 6px 6px;
  flex-shrink: 0;
}

.vbar-col.vb-ok .vbar-count, .vbar-col.vb-ok .vbar-pct { color: var(--ok-badge); }
.vbar-col.vb-ok .vbar-fill { background: var(--ok-bar); }
.vbar-col.vb-ok .vbar-label { background: var(--ok-badge); color: var(--ok-bar); }

.vbar-col.vb-warn .vbar-count, .vbar-col.vb-warn .vbar-pct { color: var(--warn-badge); }
.vbar-col.vb-warn .vbar-fill { background: var(--warn-bar); }
.vbar-col.vb-warn .vbar-label { background: var(--warn-badge); color: var(--warn-bar); }

.vbar-col.vb-crit .vbar-count, .vbar-col.vb-crit .vbar-pct { color: var(--crit-badge); }
.vbar-col.vb-crit .vbar-fill { background: var(--crit-bar); }
.vbar-col.vb-crit .vbar-label { background: var(--crit-badge); color: var(--crit-bar); }

.vbar-stats {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  font-size: 9px;
  color: var(--text-muted);
  padding-top: 4px;
  width: 100%;
}
.vbar-stats span { white-space: nowrap; }

/* ========== Overlay Panel ========== */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 500;
  justify-content: center;
  align-items: center;
}
.overlay.show { display: flex; }

.overlay-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  width: 90%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
}

.overlay-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.overlay-title-row { display: flex; align-items: center; gap: 10px; }
.overlay-title { font-size: 18px; font-weight: 700; }

.overlay-badge { font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 4px; }
.badge-ok { background: var(--ok-badge); color: var(--ok-bar); }
.badge-warn { background: var(--warn-badge); color: var(--warn-bar); }
.badge-crit { background: var(--crit-badge); color: var(--crit-bar); }

.overlay-close {
  width: 36px; height: 36px; border-radius: 8px;
  border: 1px solid var(--border-color); background: var(--btn-bg);
  color: var(--text-primary); font-size: 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.overlay-close:hover { background: var(--btn-hover); }

.overlay-switch { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.overlay-switch-group { display: flex; align-items: center; gap: 6px; }
.overlay-switch-group label { font-size: 12px; color: var(--text-secondary); }
.overlay-switch-group select {
  font-family: var(--font-mono); font-size: 12px; padding: 5px 10px;
  border: 1px solid var(--border-color); border-radius: 6px;
  background: var(--input-bg); color: var(--text-primary); outline: none;
}

.overlay-cmk-btn { margin-left: auto; }

.overlay-stats { display: flex; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.overlay-stat-card {
  flex: 1; min-width: 100px; background: var(--bg-tertiary);
  border-radius: 8px; padding: 12px 16px; text-align: center;
}
.overlay-stat-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.overlay-stat-value { font-size: 18px; font-weight: 800; color: var(--text-primary); }

.overlay-chart-wrap { margin-bottom: 16px; background: var(--bg-tertiary); border-radius: 8px; padding: 16px; height: 260px; }
.overlay-chart-wrap canvas { width: 100% !important; height: 100% !important; }

.overlay-table-wrap { max-height: 250px; overflow-y: auto; border: 1px solid var(--border-color); border-radius: 8px; }
.overlay-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.overlay-table th { position: sticky; top: 0; background: var(--bg-tertiary); color: var(--text-secondary); font-weight: 700; text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border-color); }
.overlay-table td { padding: 6px 12px; border-bottom: 1px solid var(--border-color); color: var(--text-primary); }
.overlay-table tr:last-child td { border-bottom: none; }

.state-tag { display: inline-block; font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: 4px; }
.tag-ok { background: var(--ok-badge); color: var(--ok-bar); }
.tag-warn { background: var(--warn-badge); color: var(--warn-bar); }
.tag-crit { background: var(--crit-badge); color: var(--crit-bar); }
.tag-down { background: var(--down-color); color: #fff; }
.tag-unknown { background: var(--unknown-color); color: #fff; }

/* ========== Footer ========== */
.footer { padding: 12px 24px; text-align: right; font-size: 11px; color: var(--text-muted); }

/* ========== Toast ========== */
.toast {
  position: fixed; bottom: 20px; right: 20px; background: var(--ok-bar); color: var(--ok-text);
  padding: 10px 18px; border-radius: 8px; font-size: 12px; font-family: var(--font-mono);
  box-shadow: var(--shadow-lg); transform: translateY(80px); opacity: 0; transition: all 0.3s; z-index: 600;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ========== BSOD Tab ========== */
.summary-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 20px; }
.summary-card {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: 10px; padding: 16px 20px; box-shadow: var(--shadow);
}
.summary-card-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.summary-card-value { font-size: 24px; font-weight: 800; }
.summary-card-sub { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }

.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.chart-card {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: 10px; padding: 16px; box-shadow: var(--shadow);
}
.chart-card-title { font-size: 13px; font-weight: 700; margin-bottom: 12px; }
.chart-container { height: 220px; }
.chart-container canvas { width: 100% !important; height: 100% !important; }

/* ========== Host Overview ========== */
.host-toolbar {
  display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap;
}
.host-toolbar input[type="search"] {
  font-family: var(--font-mono); font-size: 12px; padding: 6px 12px;
  border: 1px solid var(--border-color); border-radius: 6px;
  background: var(--input-bg); color: var(--text-primary); outline: none; width: 220px;
}
.host-toolbar select {
  font-family: var(--font-mono); font-size: 12px; padding: 6px 10px;
  border: 1px solid var(--border-color); border-radius: 6px;
  background: var(--input-bg); color: var(--text-primary); outline: none;
}

.status-summary { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.status-pill {
  font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 20px;
  cursor: pointer; transition: all 0.15s; border: 2px solid transparent;
}
.status-pill:hover { border-color: var(--text-primary); }
.status-pill.active { border-color: var(--text-primary); }

.host-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }

.host-card {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: 10px; padding: 16px; box-shadow: var(--shadow);
  cursor: pointer; transition: transform 0.15s, box-shadow 0.15s;
  border-left: 4px solid transparent;
}
.host-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.host-card.hc-ok { border-left-color: var(--ok-badge); }
.host-card.hc-warn { border-left-color: var(--warn-badge); }
.host-card.hc-crit { border-left-color: var(--crit-badge); }
.host-card.hc-down { border-left-color: var(--down-color); }
.host-card.hc-unknown { border-left-color: var(--unknown-color); }

.host-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.host-card-name { font-size: 13px; font-weight: 700; }
.host-card-services { font-size: 11px; color: var(--text-secondary); }
.host-card-svc { display: flex; align-items: center; gap: 6px; margin-bottom: 3px; }
.host-card-svc .svc-dot { width: 6px; height: 6px; }
.host-card-footer { font-size: 10px; color: var(--text-muted); margin-top: 8px; }

/* Host table */
.host-table-wrap { overflow-x: auto; }
.host-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.host-table th {
  position: sticky; top: 0; background: var(--bg-tertiary); color: var(--text-secondary);
  font-weight: 700; text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border-color);
  cursor: pointer; white-space: nowrap;
}
.host-table th:hover { color: var(--text-primary); }
.host-table td { padding: 8px 12px; border-bottom: 1px solid var(--border-color); }
.host-table tr:hover { background: var(--bg-tertiary); }

/* ========== Settings Drawer (spec §F) ========== */
.settings-drawer {
  position: fixed; top: 0; right: -500px; width: 480px; height: 100vh;
  background: var(--bg-secondary); border-left: 1px solid var(--border-color);
  box-shadow: -4px 0 24px rgba(0,0,0,0.15); z-index: 800;
  display: flex; flex-direction: column; transition: right 0.3s ease;
}
.settings-drawer.open { right: 0; }

.settings-header {
  padding: 16px 20px; border-bottom: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: space-between;
}
.settings-header h2 { font-size: 16px; font-weight: 700; }

.settings-body { flex: 1; display: flex; overflow: hidden; }

.settings-nav {
  width: 140px; border-right: 1px solid var(--border-color);
  padding: 12px 0; flex-shrink: 0; overflow-y: auto;
}
.settings-nav-item {
  font-family: var(--font-mono); font-size: 11px; padding: 8px 16px;
  cursor: pointer; color: var(--text-secondary); transition: all 0.15s;
  border-left: 2px solid transparent;
}
.settings-nav-item:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.settings-nav-item.active { color: var(--accent); border-left-color: var(--accent); background: var(--bg-tertiary); }

.settings-content { flex: 1; padding: 20px; overflow-y: auto; }

.settings-footer {
  padding: 12px 20px; border-top: 1px solid var(--border-color);
  display: flex; justify-content: flex-end; gap: 8px;
}

/* Settings form */
.settings-section h3 { font-size: 13px; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
.settings-field { margin-bottom: 14px; }
.settings-field label { display: block; font-size: 11px; color: var(--text-secondary); margin-bottom: 4px; font-weight: 600; }
.settings-field input, .settings-field select {
  font-family: var(--font-mono); font-size: 12px; padding: 8px 12px;
  border: 1px solid var(--border-color); border-radius: 6px;
  background: var(--input-bg); color: var(--text-primary); width: 100%; outline: none;
}
.settings-field input:focus { border-color: var(--accent); }

.settings-field .hint { font-size: 10px; color: var(--text-muted); margin-top: 4px; }

.connection-status {
  font-size: 11px; padding: 8px 12px; border-radius: 6px; margin-top: 8px;
}
.connection-status.ok { background: #dcfce7; color: #166534; }
.connection-status.err { background: #fef2f2; color: #dc2626; }

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .header { padding: 0 12px; }
  .toolbar { padding: 8px 12px; }
  .main { padding: 12px; }
  .layout-v { grid-template-columns: 1fr; }
  .chart-grid { grid-template-columns: 1fr; }
  .settings-drawer { width: 100%; right: -100%; }
  .tab-nav { display: none; }
}

/* ========== Export dropdown ========== */
.export-dropdown { position: relative; }
.export-menu {
  display: none; position: absolute; top: 100%; right: 0; margin-top: 4px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: 8px; box-shadow: var(--shadow-lg); min-width: 160px; z-index: 200;
  padding: 4px 0;
}
.export-menu.show { display: block; }
.export-menu-item {
  display: block; width: 100%; padding: 8px 16px; font-family: var(--font-mono);
  font-size: 12px; border: none; background: none; color: var(--text-primary);
  cursor: pointer; text-align: left;
}
.export-menu-item:hover { background: var(--bg-tertiary); }

/* ===== Host Detail Panel (spec §C.5) ===== */
.host-detail-panel {
  max-width: 960px;
  width: 95vw;
}
.hd-os {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 8px;
  padding: 2px 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
}
.hd-perf-section {
  margin-top: 12px;
  padding: 12px;
  background: var(--bg-tertiary);
  border-radius: 8px;
}
.hd-perf-section .overlay-chart-wrap {
  height: 200px;
}
#hdChartWrap {
  min-height: 280px;
}
/* Service table in host detail */
#hdTableBody td {
  font-size: 12px;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#hdTableBody td:last-child {
  max-width: 260px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}
.hd-cat-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
}
.hd-cat-cpu  { background: #3b82f620; color: #3b82f6; }
.hd-cat-mem  { background: #34d39920; color: #059669; }
.hd-cat-disk { background: #a78bfa20; color: #7c3aed; }
.hd-cat-net  { background: #f59e0b20; color: #d97706; }
.hd-cat-other { background: var(--bg-tertiary); color: var(--text-muted); }