/* ============================================================
   LogVault — style.css
   Dark industrial monitoring dashboard
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --- CSS Variables --- */
:root {
  --severity-debug:     #6B7280;
  --severity-info:      #3B82F6;
  --severity-notice:    #14B8A6;
  --severity-warning:   #F59E0B;
  --severity-error:     #EF4444;
  --severity-critical:  #DC2626;
  --severity-alert:     #B91C1C;
  --severity-emergency: #991B1B;

  --bg-primary:   #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card:      #22263a;
  --text-primary: #e2e8f0;
  --text-muted:   #64748b;
  --border:       #2d3748;
  --accent:       #3B82F6;

  --font-ui:   'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 4px;
  --radius:    6px;
  --radius-lg: 10px;

  --transition: 150ms ease;

  --nav-height: 52px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-ui);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
}

button {
  font-family: var(--font-ui);
  cursor: pointer;
}

select, input, textarea {
  font-family: var(--font-ui);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- 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-muted); }

/* ============================================================
   NAVIGATION
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 4px;
  z-index: 100;
  user-select: none;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 16px;
  flex-shrink: 0;
}

.nav-logo {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  color: #fff;
  letter-spacing: -0.5px;
}

.nav-title {
  font-weight: 700;
  font-size: 15px;
  color: var(--text-primary);
  letter-spacing: 0.3px;
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav-tab:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.nav-tab.active {
  color: var(--accent);
  background: rgba(59,130,246,0.12);
}

.nav-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
}

.nav-status {
  margin-left: auto;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 6px #22c55e88;
  animation: pulse-dot 2s ease-in-out infinite;
}

.status-dot.offline {
  background: var(--severity-error);
  box-shadow: 0 0 6px #ef444488;
  animation: none;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.lang-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: color 0.15s, border-color 0.15s;
}
.lang-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}

.status-offline {
  background: var(--severity-error) !important;
}

/* ============================================================
   MAIN LAYOUT
   ============================================================ */

.main {
  margin-top: var(--nav-height);
  padding: 20px 20px;
  min-height: calc(100vh - var(--nav-height));
}

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

/* ============================================================
   PAGE HEADER
   ============================================================ */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.page-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* Metric cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0.5;
}

.metric-card.error::before   { background: var(--severity-error); }
.metric-card.warning::before { background: var(--severity-warning); }
.metric-card.notice::before  { background: var(--severity-notice); }

.metric-card:hover {
  border-color: var(--text-muted);
}

.metric-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.metric-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
}

.metric-sub {
  font-size: 11px;
  color: var(--text-muted);
}

/* Charts grid */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.charts-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.chart-container {
  position: relative;
  height: 240px;
  width: 100%;
}

.chart-container canvas {
  max-height: 100%;
}

/* ============================================================
   FORMS — Inputs, Selects, Buttons
   ============================================================ */

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
  margin-bottom: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input,
input[type="text"],
input[type="search"],
input[type="datetime-local"],
input[type="number"],
input[type="email"],
input[type="password"],
select,
textarea {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  padding: 7px 10px;
  font-size: 13px;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.input:focus,
input[type="text"]:focus,
input[type="search"]:focus,
input[type="datetime-local"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 28px;
  cursor: pointer;
}

.input-search {
  min-width: 320px;
  flex: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 500;
  transition: background var(--transition), border-color var(--transition), opacity var(--transition);
  white-space: nowrap;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover:not(:disabled) {
  background: #2563eb;
  border-color: #2563eb;
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--bg-card);
  border-color: var(--text-muted);
}

.btn-danger {
  background: transparent;
  color: var(--severity-error);
  border-color: var(--severity-error);
}
.btn-danger:hover:not(:disabled) {
  background: rgba(239,68,68,0.12);
}

.btn-success {
  background: transparent;
  color: #22c55e;
  border-color: #22c55e;
}
.btn-success:hover:not(:disabled) {
  background: rgba(34,197,94,0.12);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

.btn-sm {
  padding: 4px 8px;
  font-size: 12px;
}

.btn-icon {
  padding: 6px;
  border-radius: var(--radius-sm);
}

/* Toggle / Checkbox */
.toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-primary);
}

.toggle input[type="checkbox"] {
  width: 32px;
  height: 18px;
  appearance: none;
  background: var(--border);
  border-radius: 9px;
  cursor: pointer;
  position: relative;
  border: none;
  padding: 0;
  transition: background var(--transition);
}
.toggle input[type="checkbox"]::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-muted);
  top: 2px;
  left: 2px;
  transition: transform var(--transition), background var(--transition);
}
.toggle input[type="checkbox"]:checked {
  background: var(--accent);
}
.toggle input[type="checkbox"]:checked::before {
  transform: translateX(14px);
  background: #fff;
}

/* ============================================================
   LOG TABLE
   ============================================================ */

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.log-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.log-table th {
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 9px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}

.log-table th:first-child {
  padding-left: 0;
}

.log-table td {
  padding: 7px 12px;
  border-bottom: 1px solid rgba(45,55,72,0.5);
  vertical-align: top;
  max-width: 0;
}

.log-table td.ts {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
  white-space: nowrap;
  width: 150px;
}

.log-table td.host,
.log-table td.source,
.log-table td.program {
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
  width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.log-table td.msg {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  word-break: break-all;
  min-width: 200px;
}

.log-table tbody tr {
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: background var(--transition);
}

.log-table tbody tr:hover {
  background: rgba(255,255,255,0.04);
}

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

/* Severity left-border color classes */
.log-table tbody tr.sev-0 { border-left-color: var(--severity-emergency); }
.log-table tbody tr.sev-1 { border-left-color: var(--severity-alert); }
.log-table tbody tr.sev-2 { border-left-color: var(--severity-critical); }
.log-table tbody tr.sev-3 { border-left-color: var(--severity-error); }
.log-table tbody tr.sev-4 { border-left-color: var(--severity-warning); }
.log-table tbody tr.sev-5 { border-left-color: var(--severity-notice); }
.log-table tbody tr.sev-6 { border-left-color: var(--severity-info); }
.log-table tbody tr.sev-7 { border-left-color: var(--severity-debug); }

/* Severity badge */
.badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 10.5px;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
  white-space: nowrap;
  text-transform: uppercase;
}

.badge.sev-0 { background: rgba(153,27,27,0.25);  color: var(--severity-emergency); border: 1px solid rgba(153,27,27,0.4); }
.badge.sev-1 { background: rgba(185,28,28,0.25);  color: var(--severity-alert);     border: 1px solid rgba(185,28,28,0.4); }
.badge.sev-2 { background: rgba(220,38,38,0.25);  color: var(--severity-critical);  border: 1px solid rgba(220,38,38,0.4); }
.badge.sev-3 { background: rgba(239,68,68,0.2);   color: var(--severity-error);     border: 1px solid rgba(239,68,68,0.35); }
.badge.sev-4 { background: rgba(245,158,11,0.2);  color: var(--severity-warning);   border: 1px solid rgba(245,158,11,0.35); }
.badge.sev-5 { background: rgba(20,184,166,0.18); color: var(--severity-notice);    border: 1px solid rgba(20,184,166,0.35); }
.badge.sev-6 { background: rgba(59,130,246,0.18); color: var(--severity-info);      border: 1px solid rgba(59,130,246,0.35); }
.badge.sev-7 { background: rgba(107,114,128,0.18);color: var(--severity-debug);     border: 1px solid rgba(107,114,128,0.35); }

/* Search highlight */
mark {
  background: rgba(245,158,11,0.3);
  color: var(--severity-warning);
  border-radius: 2px;
  padding: 0 1px;
}

/* ============================================================
   PAGINATION
   ============================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

.pagination-info {
  font-family: var(--font-mono);
}

.pagination-btns {
  display: flex;
  gap: 6px;
}

/* ============================================================
   SEARCH RESULTS BAR
   ============================================================ */

.results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.results-count {
  font-family: var(--font-mono);
  color: var(--text-primary);
}

/* ============================================================
   LIVE TAIL
   ============================================================ */

.live-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.live-counter {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-counter .rate {
  color: var(--severity-notice);
  font-weight: 600;
}

.pause-indicator {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--severity-warning);
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
}

.pause-indicator.hidden { display: none; }

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ef4444;
  animation: blink 1s step-start infinite;
  flex-shrink: 0;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ============================================================
   ANOMALY & CORRELATION CARDS
   ============================================================ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 14px;
}

.anomaly-card,
.correlation-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  border-left: 4px solid var(--border);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.anomaly-card:hover,
.correlation-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.anomaly-card.sev-0 { border-left-color: var(--severity-emergency); }
.anomaly-card.sev-1 { border-left-color: var(--severity-alert); }
.anomaly-card.sev-2 { border-left-color: var(--severity-critical); }
.anomaly-card.sev-3 { border-left-color: var(--severity-error); }
.anomaly-card.sev-4 { border-left-color: var(--severity-warning); }
.anomaly-card.sev-5 { border-left-color: var(--severity-notice); }
.anomaly-card.sev-6 { border-left-color: var(--severity-info); }
.anomaly-card.sev-7 { border-left-color: var(--severity-debug); }

.card-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.card-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-card-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  font-family: var(--font-mono);
}

.card-desc {
  font-size: 12.5px;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}

.card-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.tag {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 11px;
  font-family: var(--font-mono);
}

.confidence-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
}

.confidence-track {
  width: 80px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.4s ease;
}

/* Status badges for anomalies */
.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.status-badge.open         { background: rgba(239,68,68,0.15);   color: var(--severity-error); }
.status-badge.acknowledged { background: rgba(245,158,11,0.15);  color: var(--severity-warning); }
.status-badge.resolved     { background: rgba(34,197,94,0.15);   color: #22c55e; }

/* ============================================================
   TIMELINE
   ============================================================ */

.timeline-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.timeline-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  padding: 16px;
}

.timeline-grid {
  position: relative;
  min-width: 900px;
}

.timeline-axis {
  display: flex;
  margin-left: 120px;
  margin-bottom: 4px;
}

.timeline-axis-label {
  flex: 1;
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-align: center;
}

.timeline-row {
  display: flex;
  align-items: center;
  min-height: 32px;
  border-bottom: 1px solid rgba(45,55,72,0.4);
  margin-bottom: 2px;
}

.timeline-row:last-child {
  border-bottom: none;
}

.timeline-source-label {
  width: 120px;
  flex-shrink: 0;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 8px;
}

.timeline-track {
  flex: 1;
  position: relative;
  height: 28px;
  background: rgba(255,255,255,0.02);
  border-radius: 3px;
}

.timeline-event {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
  transition: transform var(--transition);
  border: 2px solid rgba(255,255,255,0.2);
}

.timeline-event:hover {
  transform: translate(-50%, -50%) scale(1.5);
  z-index: 5;
}

.timeline-event.sev-0 { background: var(--severity-emergency); }
.timeline-event.sev-1 { background: var(--severity-alert); }
.timeline-event.sev-2 { background: var(--severity-critical); }
.timeline-event.sev-3 { background: var(--severity-error); }
.timeline-event.sev-4 { background: var(--severity-warning); }
.timeline-event.sev-5 { background: var(--severity-notice); }
.timeline-event.sev-6 { background: var(--severity-info); }
.timeline-event.sev-7 { background: var(--severity-debug); }

/* ============================================================
   HEATMAP
   ============================================================ */

.heatmap-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.heatmap-container {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  padding: 16px;
  overflow-x: auto;
}

#heatmap-canvas {
  display: block;
  cursor: crosshair;
}

.heatmap-tooltip {
  position: fixed;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 12px;
  font-family: var(--font-mono);
  pointer-events: none;
  z-index: 200;
  white-space: nowrap;
  display: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 11px;
  color: var(--text-muted);
}

.legend-bar {
  flex: 1;
  max-width: 200px;
  height: 10px;
  border-radius: 3px;
  background: linear-gradient(to right, var(--bg-secondary), #DC2626);
  border: 1px solid var(--border);
}

/* ============================================================
   SETTINGS TABLES
   ============================================================ */

.settings-section {
  margin-bottom: 28px;
}

.settings-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.settings-section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.data-table th {
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 9px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 9px 12px;
  border-bottom: 1px solid rgba(45,55,72,0.5);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table td.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.data-table tbody tr:hover {
  background: rgba(255,255,255,0.03);
}

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

.actions-cell {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
}

/* Inline edit row */
.edit-row td {
  background: rgba(59,130,246,0.06) !important;
  padding: 6px 8px;
}

.edit-row input,
.edit-row select {
  width: 100%;
  min-width: 60px;
}

/* ============================================================
   MODAL
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(3px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 860px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: translateY(12px);
  transition: transform var(--transition);
}

.modal-overlay.open .modal {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.modal-close:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.08);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-log-main {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  margin-bottom: 16px;
  word-break: break-all;
  line-height: 1.6;
  border-left: 4px solid var(--accent);
}

.modal-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.modal-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.modal-meta-label {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.modal-meta-value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
}

.modal-context-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.modal-context-log {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 5px 10px;
  border-radius: 3px;
  color: var(--text-muted);
  border-left: 3px solid var(--border);
  margin-bottom: 2px;
  background: rgba(255,255,255,0.02);
  word-break: break-all;
}

.modal-context-log.is-main {
  color: var(--text-primary);
  background: rgba(59,130,246,0.07);
  border-left-color: var(--accent);
}

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */

#toast-container {
  position: fixed;
  top: calc(var(--nav-height) + 12px);
  right: 16px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px 10px 12px;
  font-size: 13px;
  max-width: 360px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  pointer-events: all;
  animation: toastIn 0.25s ease forwards;
  border-left: 3px solid var(--text-muted);
}

.toast.info     { border-left-color: var(--accent); }
.toast.success  { border-left-color: #22c55e; }
.toast.error    { border-left-color: var(--severity-error); }
.toast.warning  { border-left-color: var(--severity-warning); }

.toast-icon {
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast.info    .toast-icon { color: var(--accent); }
.toast.success .toast-icon { color: #22c55e; }
.toast.error   .toast-icon { color: var(--severity-error); }
.toast.warning .toast-icon { color: var(--severity-warning); }

.toast-msg {
  flex: 1;
  color: var(--text-primary);
  line-height: 1.4;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1;
  padding: 0 0 0 4px;
  cursor: pointer;
  flex-shrink: 0;
}

.toast-close:hover { color: var(--text-primary); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); max-height: 80px; }
  to   { opacity: 0; transform: translateX(30px); max-height: 0; padding-top: 0; padding-bottom: 0; margin-bottom: 0; }
}

.toast.removing {
  animation: toastOut 0.25s ease forwards;
}

/* ============================================================
   LOADING SPINNER
   ============================================================ */

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-lg {
  width: 36px;
  height: 36px;
  border-width: 3px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  gap: 12px;
  color: var(--text-muted);
  font-size: 13px;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  color: var(--text-muted);
  font-size: 13px;
  gap: 8px;
}

.empty-state-icon {
  font-size: 36px;
  opacity: 0.4;
  margin-bottom: 4px;
}

/* ============================================================
   FILTER CHIPS
   ============================================================ */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-end;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  margin-bottom: 16px;
}

/* ============================================================
   SECTION DIVIDER
   ============================================================ */

.divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

/* ============================================================
   UTILITY
   ============================================================ */

.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-error { color: var(--severity-error); }
.text-success { color: #22c55e; }
.text-warning { color: var(--severity-warning); }
.text-mono { font-family: var(--font-mono); }
.text-sm { font-size: 12px; }
.flex { display: flex; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.w-full { width: 100%; }

/* ============================================================
   SOURCES TABLE (Settings)
   ============================================================ */

.source-type-badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 3px;
  font-size: 10.5px;
  font-weight: 600;
  font-family: var(--font-mono);
  background: rgba(59,130,246,0.15);
  color: var(--severity-info);
  border: 1px solid rgba(59,130,246,0.3);
  text-transform: uppercase;
}

/* ============================================================
   ALERT RULE FORM (inline)
   ============================================================ */

.rule-form {
  background: rgba(59,130,246,0.05);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 14px;
}

.rule-form-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.rule-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1200px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .charts-grid {
    grid-template-columns: 1fr;
  }
  .charts-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .main {
    padding: 14px 12px;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .charts-grid-3 {
    grid-template-columns: 1fr;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .filter-bar {
    padding: 10px;
  }
  .nav-title {
    display: none;
  }
  .log-table td.host,
  .log-table td.program {
    display: none;
  }
  .modal {
    max-height: 92vh;
  }
}

@media (max-width: 540px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  .nav-tab {
    padding: 5px 8px;
    font-size: 12px;
  }
}

/* ============================================================
   REFRESH INDICATOR
   ============================================================ */

.refresh-badge {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ============================================================
   SEGMENT CONTROL (view selector)
   ============================================================ */

.segment {
  display: inline-flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2px;
  gap: 2px;
}

.segment-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}

.segment-btn.active {
  background: var(--accent);
  color: #fff;
}

.segment-btn:not(.active):hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}