/* Aura Drive Portal - Color scheme matching Agent UI */
:root {
  --bg: #f2f2f0;
  --bg-header: #ffffff;
  --card: #ffffff;
  --text: #141414;
  --muted: #5a5a5a;
  --accent: #e8b200;
  --accent-hover: #f5c518;
  --black: #0d0d0d;
  --border: #d4d4d4;
  --ok: #1d6b3a;
  --warn: #b45309;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --primary: #2c3e50;
  --secondary: #34495e;
}

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

html, body {
  height: 100%;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.navbar {
  background: var(--bg-header);
  border-bottom: 3px solid var(--accent);
  padding: 1rem 0;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.navbar-brand h1 {
  font-size: 1.5rem;
  color: var(--black);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.navbar-menu {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.navbar-menu a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s;
}

.navbar-menu a:hover {
  color: var(--accent);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  min-height: calc(100vh - 200px);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: 2rem;
  color: #333;
}

.btn {
  padding: 0.5rem 1.5rem;
  border: none;
  border-radius: 4px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: #ffffff;
}

.device-status {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
}

.status-online {
  background: #e8f5e9;
  color: #2e7d32;
}

.status-offline {
  background: #ffebee;
  color: #c62828;
}

.health-badge {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
}

.health-good {
  background: rgba(29, 107, 58, 0.1);
  color: var(--ok);
}

.health-unknown {
  background: rgba(120, 120, 120, 0.12);
  color: #616161;
}

.health-warning {
  background: rgba(180, 83, 9, 0.1);
  color: var(--warn);
}

.health-critical {
  background: rgba(180, 83, 9, 0.15);
  color: var(--warn);
}

.health-failed {
  background: rgba(180, 83, 9, 0.2);
  color: var(--warn);
}

.empty-state {
  text-align: center;
  padding: 3rem;
  background: white;
  border-radius: 8px;
}

.empty-state h2 {
  color: #999;
  margin-bottom: 1rem;
}

.empty-state p {
  color: #bbb;
  margin-bottom: 2rem;
}

.footer {
  background: var(--bg-header);
  border-top: 1px solid var(--border);
  padding: 2rem;
  margin-top: 3rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

code {
  background: #f5f5f5;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
}

/* Horizontal admin section tabs (Users / Devices / …) */
.admin-tabs {
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.admin-tabs-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.admin-tabs a {
  flex: 1;
  min-width: 7rem;
  padding: 1rem;
  text-decoration: none;
  color: #333;
  border-right: 1px solid #e0e0e0;
  transition: background 0.3s, color 0.3s;
  text-align: center;
  font-weight: 500;
}

.admin-tabs a:last-child {
  border-right: none;
}

.admin-tabs a:hover,
.admin-tabs a.active {
  background: #667eea;
  color: white;
}

@media (max-width: 768px) {
  .navbar-container {
    flex-direction: column;
    gap: 1rem;
  }

  .navbar-menu {
    gap: 1rem;
    flex-wrap: wrap;
  }

  .page-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }
}