/* ═══════════════════════════════════════════════════════
   VeraDash — Infrastructure Dashboard
   Dark theme design system
   Palette: #06060f bg, #0a0a1a surface, #00d4ff accent
   ═══════════════════════════════════════════════════════ */

:root {
  --bg-deep: #06060f;
  --bg: #0a0a1a;
  --surface: #0f0f2a;
  --surface-hover: #161638;
  --border: rgba(255, 255, 255, 0.05);
  --border-active: rgba(255, 255, 255, 0.1);
  --text: #e2e8f0;
  --text-muted: #64748b;
  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.12);
  --accent2: #7c3aed;
  --accent2-dim: rgba(124, 58, 237, 0.12);
  --success: #22c55e;
  --success-dim: rgba(34, 197, 94, 0.12);
  --warning: #f59e0b;
  --warning-dim: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-dim: rgba(239, 68, 68, 0.12);
  --radius: 8px;
  --radius-sm: 4px;
  --font: 'SF Mono', 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ═══════════ Grid background ═══════════ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* ═══════════ Status Bar ═══════════ */
.status-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 10px 24px;
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
  font-family: var(--font);
  font-size: 13px;
}

.status-bar .logo {
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
  margin-right: 8px;
}

.status-bar .pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s infinite;
  margin-right: -8px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.status-item {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.status-item .label { color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.status-item .value { color: var(--text); font-weight: 600; }

.status-item .bar {
  width: 60px;
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}
.status-item .bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 1s ease, background 0.5s;
}
.bar-fill.good { background: var(--success); }
.bar-fill.warn { background: var(--warning); }
.bar-fill.bad { background: var(--danger); }

.spacer { flex: 1; }

.status-item .time {
  color: var(--text-muted);
  font-size: 11px;
}

/* ═══════════ Main Content ═══════════ */
main {
  position: relative;
  z-index: 1;
  padding: 20px 24px 40px;
  max-width: 1600px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 28px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ═══════════ Container Grid ═══════════ */
.container-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 12px;
}

.container-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: border-color 0.2s, background 0.2s;
}
.container-card:hover {
  border-color: var(--border-active);
  background: var(--surface-hover);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.status-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.running { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.starting { background: var(--warning); box-shadow: 0 0 6px var(--warning); animation: pulse 1s infinite; }
.status-dot.stopped { background: var(--danger); box-shadow: 0 0 6px var(--danger); }
.status-dot.unknown { background: var(--text-muted); }

.card-name {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.card-image {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: auto;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  font-size: 11px;
  font-family: var(--font);
  color: var(--text-muted);
  margin-bottom: 8px;
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.link-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 10px;
  text-decoration: none;
  transition: all 0.15s;
  border: 1px solid transparent;
}
.link-badge:hover {
  border-color: currentColor;
  filter: brightness(1.2);
}

.link-badge.public {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: rgba(0,212,255,0.2);
}
.link-badge.tailscale {
  background: var(--accent2-dim);
  color: var(--accent2);
  border-color: rgba(124,58,237,0.2);
}
.link-badge.internal {
  background: rgba(100,116,139,0.1);
  color: var(--text-muted);
  border-color: rgba(100,116,139,0.15);
}
.link-badge.protocol {
  background: var(--success-dim);
  color: var(--success);
  border-color: rgba(34,197,94,0.2);
}

.health-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
}
.health-badge.healthy { background: var(--success-dim); color: var(--success); }
.health-badge.unhealthy { background: var(--danger-dim); color: var(--danger); }
.health-badge.starting { background: var(--warning-dim); color: var(--warning); }

/* ═══════════ MCP Table ═══════════ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font);
  font-size: 12px;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.data-table th {
  text-align: left;
  padding: 10px 14px;
  background: rgba(0,0,0,0.2);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 10px;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.data-table tr:hover td {
  background: rgba(255,255,255,0.02);
}
.data-table .port-tag {
  font-family: var(--font);
  font-size: 10px;
  background: rgba(255,255,255,0.05);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* ═══════════ Two-column layouts ═══════════ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
  .container-grid { grid-template-columns: 1fr; }
  .status-bar { gap: 12px; }
}

/* ═══════════ Panels ═══════════ */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
}

.panel .panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}

/* ═══════════ Security ═══════════ */
.security-entry {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-size: 12px;
  font-family: var(--font);
}
.security-entry .ip {
  color: var(--warning);
  text-decoration: none;
}
.security-entry .ip:hover { text-decoration: underline; }
.security-entry .time-sec {
  color: var(--text-muted);
  font-size: 10px;
  margin-left: auto;
  white-space: nowrap;
}
.security-entry .user-sec {
  color: var(--text-muted);
}

.empty-state {
  text-align: center;
  padding: 30px;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 13px;
}
.empty-state .icon { font-size: 32px; margin-bottom: 8px; }

/* ═══════════ IP Intel ═══════════ */
.ip-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}
.ip-field {
  font-family: var(--font);
  font-size: 11px;
}
.ip-field .flabel {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 9px;
  margin-bottom: 2px;
}
.ip-field .fvalue {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  word-break: break-all;
}

.ip-lookup {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}
.ip-lookup input {
  flex: 1;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text);
  font-family: var(--font);
  font-size: 12px;
  outline: none;
}
.ip-lookup input:focus {
  border-color: var(--accent);
}
.ip-lookup button {
  background: var(--accent);
  color: var(--bg-deep);
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
}
.ip-lookup button:hover { opacity: 0.85; }

/* ═══════════ Sparklines ═══════════ */
.sparkline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.sparkline-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.sparkline-card .spark-title {
  font-family: var(--font);
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.sparkline-card .spark-value {
  font-family: var(--font);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.sparkline-card svg {
  width: 100%;
  height: 40px;
  margin-top: 6px;
}
.sparkline-card .spark-range {
  display: flex;
  justify-content: space-between;
  font-family: var(--font);
  font-size: 9px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ═══════════ Footer ═══════════ */
.dash-footer {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 10px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

/* ═══════════ Network Route Card ═══════════ */
.route-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-size: 12px;
  font-family: var(--font);
}
.route-domain {
  color: var(--accent);
  font-weight: 600;
  min-width: 180px;
}
.route-arrow { color: var(--text-muted); }
.route-backend {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}
.route-tls {
  margin-left: auto;
  font-size: 10px;
}
.route-tls.ok { color: var(--success); }
.route-tls.warn { color: var(--warning); }
.route-tls.err { color: var(--danger); }

/* ═══════════ Loading ═══════════ */
.skeleton {
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-hover) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ═══════════ Error ═══════════ */
.error-banner {
  background: var(--danger-dim);
  border: 1px solid rgba(239,68,68,0.2);
  color: var(--danger);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 12px;
  margin-bottom: 12px;
}

/* ═══════════ Refresh indicator ═══════════ */
.refresh-indicator {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font);
  transition: opacity 0.3s;
}
.refresh-indicator.active { opacity: 1; }
.refresh-indicator.stale { opacity: 0.3; }