/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #252540;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0b0;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --success: #22c55e;
  --warning: #eab308;
  --error: #ef4444;
  --border: #2d2d4a;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow: hidden;
}

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

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-text {
  font-weight: 700;
  font-size: 1.25rem;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-divider {
  width: 1px;
  height: 24px;
  background: var(--border);
}

.header-title {
  color: var(--text-secondary);
  font-weight: 500;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-tertiary);
  border-radius: 9999px;
  font-size: 0.875rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
  animation: pulse 2s infinite;
}

.status.connected .status-dot {
  background: var(--success);
  animation: none;
}

.status.disconnected .status-dot {
  background: var(--error);
  animation: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Logout button */
.logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.logout-btn:hover {
  background: var(--error);
  border-color: var(--error);
  color: white;
}

/* Admin link */
.admin-link {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 0.15s ease;
}

.admin-link:hover {
  background: var(--accent);
  color: white;
}

/* Wiki link */
.wiki-link {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  background: transparent;
  border: 1px solid var(--success);
  color: var(--success);
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 0.15s ease;
}

.wiki-link:hover {
  background: var(--success);
  color: white;
}

.wiki-icon {
  font-size: 1rem;
}

/* Main content */
.main {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  padding: 0 0.5rem;
  margin-bottom: 0.25rem;
}

.quick-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.625rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
}

.quick-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.doc-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.doc-item {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-radius: 0.375rem;
}

/* Terminal wrapper */
.terminal-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1rem;
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border-radius: 0.75rem 0.75rem 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
}

.terminal-buttons {
  display: flex;
  gap: 0.5rem;
}

.terminal-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-btn.red { background: #ff5f57; }
.terminal-btn.yellow { background: #febc2e; }
.terminal-btn.green { background: #28c840; }

.terminal-title {
  flex: 1;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
}

.terminal {
  flex: 1;
  background: #0d0d14;
  border-radius: 0 0 0.75rem 0.75rem;
  border: 1px solid var(--border);
  border-top: none;
  padding: 0.5rem;
  overflow: hidden;
}

/* xterm.js overrides */
.terminal .xterm {
  padding: 0.5rem;
}

.terminal .xterm-viewport {
  overflow-y: auto !important;
}

.terminal .xterm-viewport::-webkit-scrollbar {
  width: 8px;
}

.terminal .xterm-viewport::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

.terminal .xterm-viewport::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

.terminal .xterm-viewport::-webkit-scrollbar-thumb:hover {
  background: var(--border);
}

/* Footer */
.footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.footer-divider {
  opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    display: none;
  }

  .terminal-wrapper {
    padding: 0.5rem;
  }
}