/* Dark mode theme for the portal */
:root {
  --bg: #0f172a;
  --card: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: #334155;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --danger: #ef4444;
  --success: #10b981;
  --accent: #6366f1;
  --hover-bg: #2d3748;
}

* { 
  box-sizing: border-box; 
}

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

a { 
  color: var(--primary); 
  text-decoration: none; 
  transition: color 0.2s ease; 
}
a:hover { 
  color: var(--primary-hover); 
  text-decoration: underline; 
}

.navbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}
.navbar .brand {
  font-weight: 700;
  margin-right: auto;
  color: var(--primary);
  font-size: 1.2em;
}
.navbar a {
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.2s ease;
}
.navbar a.active, .navbar a:hover {
  background: var(--hover-bg);
  text-decoration: none;
  color: var(--primary);
}

.theme-switcher {
  display: flex;
  gap: 8px;
  margin-right: 16px;
}
.theme-switcher button {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s ease;
  color: var(--text);
}
.theme-switcher button:hover {
  background: var(--hover-bg);
  transform: scale(1.1);
}

.container {
  max-width: 880px;
  margin: 24px auto;
  padding: 0 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

h1, h2, h3 { 
  margin: 0 0 16px 0; 
  color: var(--text);
  font-weight: 600;
}
h1 { 
  font-size: 1.8em; 
  color: var(--primary);
}
h2 { 
  font-size: 1.4em; 
  border-bottom: 2px solid var(--primary);
  padding-bottom: 8px;
}
h3 { 
  font-size: 1.2em; 
  color: var(--primary);
}

.muted { 
  color: var(--muted); 
  font-size: 0.9em;
}

.form label { 
  display: block; 
  margin: 16px 0 8px; 
  font-weight: 600; 
  color: var(--text);
}
.form input, .form textarea, .form select, .form button {
  width: 100%; 
  padding: 12px 14px; 
  border-radius: 8px; 
  border: 1px solid var(--border);
  font-size: 14px;
  transition: all 0.2s ease;
}
.form input, .form textarea, .form select { 
  background: #2d3748; 
  color: var(--text);
  border: 1px solid var(--border);
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}
.form button {
  background: var(--primary); 
  border: none; 
  color: white; 
  font-weight: 600; 
  cursor: pointer;
  padding: 14px 16px;
  margin-top: 16px;
  transition: all 0.2s ease;
}
.form button:hover { 
  background: var(--primary-hover); 
  transform: translateY(-1px);
}
.form button:active {
  transform: translateY(0);
}

.msg { 
  padding: 14px 16px; 
  border-radius: 8px; 
  margin-bottom: 16px; 
  border: 1px solid transparent;
}
.msg.err { 
  background: rgba(239, 68, 68, 0.1); 
  color: #fecaca; 
  border-color: rgba(239, 68, 68, 0.3);
}
.msg.ok  { 
  background: rgba(16, 185, 129, 0.1); 
  color: #a7f3d0; 
  border-color: rgba(16, 185, 129, 0.3);
}
.msg.info {
  background: rgba(59, 130, 246, 0.1);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.3);
}

.table { 
  width: 100%; 
  border-collapse: collapse; 
  background: var(--card);
  border-radius: 8px;
  overflow: hidden;
  margin: 16px 0;
}
.table th, .table td { 
  border: 1px solid var(--border); 
  padding: 12px; 
  text-align: left;
}
.table th { 
  background: rgba(45, 55, 72, 0.5); 
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9em;
  letter-spacing: 0.5px;
}
.table tr {
  transition: background-color 0.2s ease;
}
.table tr:hover {
  background: var(--hover-bg);
}
.table td {
  border-color: rgba(255, 255, 255, 0.1);
}

.kpi { 
  display: grid; 
  grid-template-columns: repeat(3, 1fr); 
  gap: 16px; 
  margin: 20px 0;
}
.kpi .box { 
  background: var(--card); 
  border: 1px solid var(--border); 
  border-radius: 12px; 
  padding: 20px;
  text-align: center;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}
.kpi .box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.kpi .box:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}
.kpi .label { 
  color: var(--muted); 
  font-size: 12px; 
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.kpi .value { 
  font-weight: 800; 
  font-size: 24px; 
  color: var(--primary);
  margin: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}
.stat-card .number {
  font-size: 2em;
  font-weight: 700;
  color: var(--primary);
  margin: 0;
}
.stat-card .label {
  color: var(--muted);
  font-size: 0.9em;
  margin: 8px 0 0 0;
}

/* Badges and status indicators */
.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.8em;
  font-weight: 600;
  text-transform: uppercase;
}
.badge.success {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}
.badge.warning {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}
.badge.error {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}
.badge.info {
  background: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
}

/* Progress bars */
.progress {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin: 8px 0;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* Code and pre blocks */
code {
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.9em;
  color: #f1f5f9;
}
pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  border: 1px solid var(--border);
}
pre code {
  background: none;
  padding: 0;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Selection color */
::selection {
  background: var(--primary);
  color: white;
}

/* Focus styles for accessibility */
:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

/* Loading animation */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.loading {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Mobile responsiveness */
@media (max-width: 720px){ 
  .navbar {
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 12px;
  }
  .theme-switcher {
    order: 3;
    margin: 0 auto;
  }
  .container {
    padding: 0 12px;
  }
  .card {
    padding: 16px;
  }
  .kpi {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .table {
    font-size: 0.9em;
  }
  .table th,
  .table td {
    padding: 8px;
  }
}

@media (max-width: 480px) {
  .navbar a {
    padding: 6px 10px;
    font-size: 0.9em;
  }
  h1 {
    font-size: 1.5em;
  }
  h2 {
    font-size: 1.2em;
  }
  .kpi .value {
    font-size: 20px;
  }
}

/* Print styles */
@media print {
  .navbar,
  .theme-switcher {
    display: none;
  }
  body {
    background: white;
    color: black;
  }
  .card {
    border: 1px solid #ccc;
    box-shadow: none;
  }
}