:root {
  --bg-void: #0A0E12;
  --surface: #131920;
  --surface-line: #232B34;
  --text-primary: #E7ECF0;
  --text-muted: #6B7684;
  --ok: #33D17A;
  --warn: #F5A623;
  --alarm: #FF5A5F;
  --accent: #3AA6FF;
  --font-sans: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-sans);
}

.page {
  min-height: 100vh;
  padding: 24px 32px 64px;
  max-width: 1280px;
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px solid var(--surface-line);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 4px;
}

h1 {
  font-size: 26px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.3px;
}

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

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  animation: pulse 2s infinite;
}

.status--down .status-dot {
  background: var(--alarm);
  animation: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.banner-error {
  background: rgba(255, 90, 95, 0.12);
  border: 1px solid var(--alarm);
  color: var(--alarm);
  padding: 10px 14px;
  border-radius: 4px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.gauges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--surface-line);
  border-radius: 6px;
  padding: 16px;
}

.panel-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* ===== GAUGE ===== */
.gauge {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--surface-line);
  border-radius: 6px;
  padding: 12px 8px 16px;
}

.gauge-svg {
  width: 100%;
  max-width: 180px;
}

.gauge-zone {
  fill: none;
  stroke-width: 10;
}

.gauge-zone--ok { stroke: var(--ok); opacity: 0.9; }
.gauge-zone--alarm { stroke: var(--alarm); opacity: 0.5; }

.gauge-tick {
  stroke: var(--text-muted);
  stroke-width: 1.5;
}

.gauge-scale-label {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--text-muted);
}

.gauge-needle {
  stroke: var(--text-primary);
  stroke-width: 3;
  stroke-linecap: round;
  transition: all 0.6s cubic-bezier(.4,0,.2,1);
}

.gauge-needle--alarm { stroke: var(--alarm); }

.gauge-hub {
  fill: var(--surface-line);
  stroke: var(--text-primary);
  stroke-width: 1.5;
}

.gauge-readout {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-top: -8px;
}

.gauge-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  transition: color 0.3s;
}

.gauge-value--alarm { color: var(--alarm); }

.gauge-unit {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

.gauge-label {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  text-align: center;
}

/* ===== TABLE ===== */
.table-scroll {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
}

.data-table th {
  text-align: right;
  padding: 8px 10px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--surface-line);
  white-space: nowrap;
}

.data-table th:nth-child(1),
.data-table th:nth-child(2),
.data-table th:nth-child(3) {
  text-align: left;
}

.data-table td {
  text-align: right;
  padding: 6px 10px;
  border-bottom: 1px solid rgba(35, 43, 52, 0.5);
  white-space: nowrap;
}

.data-table td:nth-child(1),
.data-table td:nth-child(2),
.data-table td:nth-child(3) {
  text-align: left;
  color: var(--text-muted);
}

.row-alarm td { color: var(--alarm); }

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--surface-line);
}

.page-btn {
  background: var(--bg-void);
  border: 1px solid var(--surface-line);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.page-info {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.table-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.export-dropdown {
  position: relative;
  display: inline-block;
  margin-bottom: 12px;
}

.export-dropdown-caret {
  font-size: 10px;
  margin-left: 4px;
  opacity: 0.7;
}

.export-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--surface);
  border: 1px solid var(--surface-line);
  border-radius: 6px;
  min-width: 220px;
  padding: 4px;
  z-index: 10;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.export-dropdown-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 9px 10px;
  border-radius: 4px;
  cursor: pointer;
}

.export-dropdown-item:hover:not(:disabled) {
  background: var(--bg-void);
  color: var(--accent);
}

.export-dropdown-item:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.export-range-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.export-range-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 500;
}

.export-range-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  line-height: 1;
}

.export-range-close:hover {
  color: var(--alarm);
  background: var(--bg-void);
}

@media (max-width: 640px) {
  .page { padding: 16px; }
  h1 { font-size: 20px; }
}