:root {
  --bg-primary: #0a0d14;
  --bg-secondary: #101522;
  --bg-card: #141b2d;
  --border: #232d48;
  --border-focus: #44598a;
  --text-main: #f0f4fc;
  --text-muted: #8e9bb5;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --accent: #06b6d4;
  --success: #10b981;
  --danger: #ef4444;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-main);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Auth Overlay */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 50% 20%, #1a233a 0%, #080b12 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
}

.logo-icon, .logo-badge {
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  color: #fff;
  font-weight: 800;
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 1.1rem;
  letter-spacing: 0.5px;
}

.auth-card h1 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.tab-headers {
  display: flex;
  background: var(--bg-secondary);
  padding: 4px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  border: 1px solid var(--border);
}

.tab-btn {
  flex: 1;
  padding: 8px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--text-main);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-group input:focus {
  border-color: var(--accent);
}

.primary-btn {
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-top: 8px;
}

.primary-btn:hover {
  opacity: 0.92;
}

.default-creds-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 10px;
  background: var(--bg-secondary);
  padding: 8px;
  border-radius: var(--radius-sm);
}

.default-creds-hint code {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
}

.form-msg {
  font-size: 0.82rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  display: none;
}

.form-msg.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.form-msg.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* App Shell */
.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.main-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.system-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid var(--border);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
}

.role-tag {
  background: rgba(79, 70, 229, 0.3);
  color: #a5b4fc;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.outline-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.outline-btn:hover {
  color: var(--text-main);
  border-color: var(--border-focus);
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 8px;
  background: var(--bg-secondary);
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
}

.nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  padding: 12px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.nav-tab:hover {
  color: var(--text-main);
}

.nav-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Workspace */
.workspace-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 16px 24px;
}

.view-panel {
  display: none;
  flex: 1;
  flex-direction: column;
  height: 100%;
}

.view-panel.active {
  display: flex;
}

/* Terminal Panel */
.panel-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: #0f1422;
  border: 1px solid var(--border);
  border-bottom: none;
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
}

.toolbar-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.terminal-title-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.badge {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
}

.badge.connected {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.badge.disconnected {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

.toolbar-buttons {
  display: flex;
  gap: 8px;
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s;
}

.tool-btn:hover {
  color: var(--text-main);
  border-color: var(--border-focus);
}

.terminal-wrapper {
  flex: 1;
  background: #07090f;
  border: 1px solid var(--border);
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  padding: 12px;
  overflow: hidden;
  display: flex;
}

#terminal-container {
  width: 100%;
  height: 100%;
}

/* Dashboard Panel */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-card h3 {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  color: #a5b4fc;
  word-break: break-all;
}

.stat-highlight {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--success);
}

.stat-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.content-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

.content-card-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
}

.table-responsive {
  flex: 1;
  overflow: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.data-table th {
  background: var(--bg-secondary);
  color: var(--text-muted);
  padding: 12px 20px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-main);
}

.empty-cell {
  text-align: center;
  color: var(--text-muted);
  padding: 30px !important;
}

/* Admin & Modals */
.admin-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  height: 100%;
  overflow: hidden;
}

@media (max-width: 900px) {
  .admin-grid {
    grid-template-columns: 1fr;
    overflow: auto;
  }
}

.admin-form-card {
  max-height: 480px;
}

.admin-form {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.custom-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  outline: none;
}

.action-btn-group {
  display: flex;
  gap: 8px;
}

.sm-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s;
}

.sm-btn:hover {
  color: var(--text-main);
  border-color: var(--border-focus);
}

.sm-btn.danger:hover {
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.5);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 7, 13, 0.82);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 420px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}

.close-btn:hover {
  color: var(--text-main);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}