/* ============================================================
   Environment Wrangler — Dark Mode Dashboard
   Inspired by Azure DevOps Pipelines UI
   ============================================================ */

:root {
  /* Surface palette — Azure DevOps dark tones */
  --bg-page:        #1e1e1e;
  --bg-surface:     #252526;
  --bg-elevated:    #2d2d2d;
  --bg-hover:       #333333;
  --bg-header:      #1b1b1b;
  --border-subtle:  #3c3c3c;
  --border-medium:  #505050;

  /* Text */
  --text-primary:   #cccccc;
  --text-secondary: #969696;
  --text-muted:     #6e6e6e;
  --text-bright:    #e8e8e8;

  /* Azure DevOps accent */
  --accent-blue:    #4a9fe5;
  --accent-blue-dim:#2a6da8;

  /* Slot status colors */
  --slot-green:     #2ea043;
  --slot-green-bg:  rgba(46, 160, 67, 0.12);
  --slot-green-border: rgba(46, 160, 67, 0.35);

  --slot-red:       #e5534b;
  --slot-red-bg:    rgba(229, 83, 75, 0.12);
  --slot-red-border:rgba(229, 83, 75, 0.35);

  --slot-yellow:    #c6902b;
  --slot-yellow-bg: rgba(198, 144, 43, 0.12);
  --slot-yellow-border: rgba(198, 144, 43, 0.35);

  --slot-neutral-bg:    rgba(100, 100, 100, 0.12);
  --slot-neutral-border:rgba(100, 100, 100, 0.3);

  /* Typography */
  --font-ui: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Consolas', monospace;

  /* Sizing */
  --radius-sm: 4px;
  --radius-md: 6px;
}

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

body {
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Top Bar ───────────────────────────────────────────── */

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 48px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 22px;
  height: 22px;
  color: var(--accent-blue);
}

.app-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-bright);
  letter-spacing: -0.01em;
}

.app-last-updated {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.status-dot-group {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--text-secondary);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.legend-dot.green  { background: var(--slot-green); }
.legend-dot.red    { background: var(--slot-red); }
.legend-dot.yellow { background: var(--slot-yellow); }

.btn-refresh {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-refresh:hover {
  background: var(--bg-hover);
  border-color: var(--border-medium);
  color: var(--text-bright);
}
.btn-refresh.loading svg {
  animation: spin 0.8s linear infinite;
}

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

/* ── Dashboard ─────────────────────────────────────────── */

.dashboard {
  flex: 1;
  padding: 20px 24px 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-items: start;
}

/* ── Pipeline Section ──────────────────────────────────── */

.pipeline-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.pipeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.pipeline-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
}

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

/* Table-like layout */
.slot-table {
  width: 100%;
}

.slot-table-header {
  display: grid;
  grid-template-columns: 260px 180px 1fr;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-header);
}

.slot-row {
  display: grid;
  grid-template-columns: 260px 180px 1fr;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-subtle);
  align-items: center;
  transition: background 0.12s ease;
}
.slot-row:last-child {
  border-bottom: none;
}
.slot-row:hover {
  background: var(--bg-hover);
}

/* Application column (left) */
.slot-app {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
  text-transform: uppercase;
}

.slot-app-info {
  display: flex;
  flex-direction: column;
}

.slot-app-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-blue);
}

.slot-app-detail {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

/* Deployed At column */
.slot-deployed-at {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Status column (the slots) */
.slot-status-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.slot-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-mono);
  border: 1px solid;
  cursor: default;
  transition: all 0.15s ease;
  position: relative;
  min-width: 100px;
  justify-content: center;
}

.slot-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Green — Open */
.slot-badge.green {
  background: var(--slot-green-bg);
  border-color: var(--slot-green-border);
  color: var(--slot-green);
}
.slot-badge.green .dot { background: var(--slot-green); }

/* Red — In Use */
.slot-badge.red {
  background: var(--slot-red-bg);
  border-color: var(--slot-red-border);
  color: var(--slot-red);
}
.slot-badge.red .dot { background: var(--slot-red); }

/* Yellow — Stale */
.slot-badge.yellow {
  background: var(--slot-yellow-bg);
  border-color: var(--slot-yellow-border);
  color: var(--slot-yellow);
}
.slot-badge.yellow .dot { background: var(--slot-yellow); }

/* Neutral — unknown/loading */
.slot-badge.neutral {
  background: var(--slot-neutral-bg);
  border-color: var(--slot-neutral-border);
  color: var(--text-muted);
}
.slot-badge.neutral .dot { background: var(--text-muted); }

/* Badge hover tooltip */
.slot-badge:hover {
  filter: brightness(1.15);
}

.slot-badge .badge-tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #1a1a1a;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-family: var(--font-ui);
  white-space: nowrap;
  z-index: 50;
  pointer-events: none;
}

.slot-badge .badge-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #1a1a1a;
}

.slot-badge:hover .badge-tooltip {
  display: block;
}

.slot-badge-name {
  font-family: var(--font-ui);
  font-size: 11px;
  color: var(--text-secondary);
  margin-right: 2px;
}

/* ── Loading & Error States ────────────────────────────── */

.loading-state,
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--text-muted);
  gap: 16px;
  grid-column: 1 / -1;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.error-state svg { color: var(--slot-red); }

.hidden { display: none !important; }

/* ── Status Bar (footer) ───────────────────────────────── */

.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 24px;
  height: 28px;
  background: var(--accent-blue-dim);
  color: #fff;
  font-size: 11px;
  flex-shrink: 0;
}

/* ── Responsive ────────────────────────────────────────── */

@media (max-width: 1100px) {
  .dashboard {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .slot-table-header,
  .slot-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .slot-table-header span:not(:first-child) {
    display: none;
  }
  .slot-deployed-at {
    font-size: 12px;
    color: var(--text-muted);
  }
  .top-bar {
    padding: 0 14px;
  }
  .dashboard {
    padding: 14px;
  }
  .status-dot-group {
    display: none;
  }
}