/* Admin Dashboard — styles.css
   Light mode. Dense layout. No animations beyond strictly necessary.
   Monospace for numeric/terminal data. Sans-serif for labels.
   No padding waste — 8px base unit, 4px minimum gutter. */

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

:root {
  --font-ui:    system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:  "Consolas", "Cascadia Code", "Menlo", monospace;

  --colour-bg:         #f5f5f5;
  --colour-surface:    #ffffff;
  --colour-border:     #d0d0d0;
  --colour-text:       #1a1a1a;
  --colour-muted:      #666666;
  --colour-label:      #444444;

  --colour-alert-red:  #c0392b;
  --colour-alert-amb:  #e67e22;
  --colour-alert-bg-r: #fdf0ef;
  --colour-alert-bg-a: #fef9ef;

  --colour-btn:        #2563eb;
  --colour-btn-hover:  #1d4ed8;
  --colour-btn-text:   #ffffff;

  --colour-gate-bg:    #1e1e2e;
  --colour-gate-text:  #cdd6f4;
  --colour-gate-input: #313244;
  --colour-gate-border:#45475a;
  --colour-gate-btn:   #89b4fa;
  --colour-gate-btn-t: #1e1e2e;
  --colour-gate-err:   #f38ba8;

  --radius: 4px;
  --gap:    8px;
}

html, body {
  height: 100%;
  background: var(--colour-bg);
  color: var(--colour-text);
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.4;
}

/* ── Password gate ────────────────────────────────────────────── */
#gate-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--colour-gate-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

#gate-overlay.hidden {
  display: none;
}

.gate-box {
  background: #313244;
  border: 1px solid var(--colour-gate-border);
  border-radius: 8px;
  padding: 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 320px;
}

.gate-box h1 {
  font-size: 16px;
  font-weight: 600;
  color: var(--colour-gate-text);
  text-align: center;
  letter-spacing: 0.04em;
}

.gate-box label {
  font-size: 11px;
  color: #a6adc8;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.gate-box input[type="password"] {
  width: 100%;
  padding: 8px 10px;
  background: var(--colour-gate-input);
  border: 1px solid var(--colour-gate-border);
  border-radius: var(--radius);
  color: var(--colour-gate-text);
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
}

.gate-box input[type="password"]:focus {
  border-color: var(--colour-gate-btn);
}

.gate-box button {
  padding: 9px;
  background: var(--colour-gate-btn);
  color: var(--colour-gate-btn-t);
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.04em;
}

.gate-box button:hover {
  opacity: 0.9;
}

#gate-error {
  font-size: 12px;
  color: var(--colour-gate-err);
  text-align: center;
  min-height: 16px;
}

/* ── App shell ────────────────────────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

#app.hidden {
  display: none;
}

/* ── Header ───────────────────────────────────────────────────── */
#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background: var(--colour-surface);
  border-bottom: 1px solid var(--colour-border);
  flex-shrink: 0;
}

#header h1 {
  font-size: 13px;
  font-weight: 600;
  color: var(--colour-text);
  letter-spacing: 0.03em;
}

#header-right {
  display: flex;
  align-items: center;
  gap: var(--gap);
}

#last-refresh {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--colour-muted);
}

#refresh-btn {
  padding: 4px 10px;
  background: var(--colour-btn);
  color: var(--colour-btn-text);
  border: none;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: 0.02em;
}

#refresh-btn:hover {
  background: var(--colour-btn-hover);
}

/* ── Alert bar (top row) ──────────────────────────────────────── */
#alert-bar {
  flex-shrink: 0;
  padding: 4px 12px;
  background: var(--colour-surface);
  border-bottom: 1px solid var(--colour-border);
  min-height: 32px;
  display: flex;
  align-items: center;
  gap: var(--gap);
}

#alert-bar:empty::after {
  content: "All clear";
  font-size: 11px;
  color: var(--colour-muted);
}

.alert-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius);
  font-size: 11px;
  font-weight: 600;
}

.alert-chip.red {
  background: var(--colour-alert-bg-r);
  color: var(--colour-alert-red);
  border: 1px solid var(--colour-alert-red);
}

.alert-chip.amber {
  background: var(--colour-alert-bg-a);
  color: var(--colour-alert-amb);
  border: 1px solid var(--colour-alert-amb);
}

/* ── Main grid ────────────────────────────────────────────────── */
#main-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 280px 1fr 280px;
  grid-template-rows: 1fr auto;
  gap: var(--gap);
  padding: var(--gap);
  overflow: hidden;
  min-height: 0;
}

/* Middle row occupies the full-height centre column.
   Left and right columns stack their panes vertically.
   Bottom row (dev-state) spans the width of their column. */

.col {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  overflow: hidden;
  min-height: 0;
}

.col-left   { grid-column: 1; grid-row: 1 / 3; }
.col-middle { grid-column: 2; grid-row: 1 / 3; }
.col-right  { grid-column: 3; grid-row: 1 / 3; }

/* ── Pane card ────────────────────────────────────────────────── */
.pane {
  background: var(--colour-surface);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Panes that should expand to fill available column space */
.pane.expand {
  flex: 1;
  min-height: 0;
}

.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 10px;
  border-bottom: 1px solid var(--colour-border);
  background: #fafafa;
  flex-shrink: 0;
}

.pane-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--colour-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pane-status {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--colour-muted);
}

.pane-body {
  flex: 1;
  overflow: auto;
  min-height: 0;
}

/* Full-height pane body for iframe panes — no scroll wrapper */
.pane-body.fill {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pane-body.fill iframe {
  flex: 1;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Placeholder pane body text */
.pane-placeholder {
  padding: 16px;
  font-size: 12px;
  color: var(--colour-muted);
  font-style: italic;
}

/* ── Error state ──────────────────────────────────────────────── */
.pane-error {
  padding: 12px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--colour-alert-red);
  background: var(--colour-alert-bg-r);
  border-top: 1px solid var(--colour-alert-red);
}

/* ── Shared utility classes ───────────────────────────────────── */
.mono  { font-family: var(--font-mono); }
.muted { color: var(--colour-muted); }
.warn-text { color: var(--colour-alert-amb); }

/* ── Health Checks pane ───────────────────────────────────────── */
.health-grid-wrap {
  padding: 0;
  overflow: auto;
}

.health-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.health-table th {
  padding: 5px 8px;
  font-size: 10px;
  font-weight: 600;
  color: var(--colour-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--colour-border);
  text-align: left;
  background: #fafafa;
}

.health-table td {
  padding: 6px 8px;
  border-bottom: 1px solid #f0f0f0;
  vertical-align: middle;
}

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

/* Status dot */
.status-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-green   { background: #22c55e; }
.dot-amber   { background: #f59e0b; }
.dot-red     { background: var(--colour-alert-red); }
.dot-pending { background: #d1d5db; }

/* ── Repo Activity pane ───────────────────────────────────────── */
.repo-activity-wrap {
  padding: 0;
  overflow: auto;
}

.repo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.repo-table th {
  padding: 5px 8px;
  font-size: 10px;
  font-weight: 600;
  color: var(--colour-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--colour-border);
  text-align: left;
  background: #fafafa;
}

.repo-table td {
  padding: 5px 8px;
  border-bottom: 1px solid #f0f0f0;
  vertical-align: middle;
}

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

.repo-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--colour-text);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.spark-cell {
  width: 84px;
  padding: 3px 8px;
}

.repo-spark {
  display: block;
}

/* ── Live Gauges pane ────────────────────────────────────────── */
.gauges-wrap {
  padding: 0;
  overflow: auto;
}

.gauges-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.gauges-table th {
  padding: 5px 8px;
  font-size: 10px;
  font-weight: 600;
  color: var(--colour-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--colour-border);
  text-align: left;
  background: #fafafa;
}

.gauges-table td {
  padding: 5px 8px;
  border-bottom: 1px solid #f0f0f0;
  vertical-align: middle;
}

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

.gauge-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--colour-text);
  white-space: nowrap;
}

.gauge-total {
  font-size: 12px;
  text-align: right;
  white-space: nowrap;
}

.gauge-latest {
  font-size: 12px;
  text-align: right;
  white-space: nowrap;
}

.gauge-unresolved {
  font-size: 10px;
  color: var(--colour-muted);
}

.gauge-spark-cell {
  width: 108px;
  padding: 3px 8px;
}

.gauge-spark {
  display: block;
}

/* ── System Status pane ───────────────────────────────────────── */
.sysstat-wrap {
  padding: 8px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sysstat-section {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sysstat-subtitle {
  font-size: 10px;
  font-weight: 600;
  color: var(--colour-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--colour-border);
}

.sysstat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-size: 11px;
}

.sysstat-label {
  color: var(--colour-muted);
  flex-shrink: 0;
}

.sysstat-value {
  font-size: 11px;
  color: var(--colour-text);
  text-align: right;
  word-break: break-all;
}

.sysstat-history {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sysstat-hist-row {
  display: flex;
  flex-direction: column;
  gap: 1px;
  font-size: 11px;
}

.sysstat-pane-id {
  font-weight: 600;
  color: var(--colour-label);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sysstat-timestamps {
  font-size: 10px;
  line-height: 1.6;
}