@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

:root {
  --bg-main: #FFFFFF;
  --bg-page: #f1f5f9; /* Rich light gray-blue background */
  --bg-panel: #FFFFFF; /* Metric/Content cards are white */
  --bg-hover: #f8fafc;
  --border-color: #cbd5e1; /* Visible slate border (Slate-300) */
  --border-focus: #2563EB; /* Royal Blue Accent */
  
  --text-main: #0f172a; /* Dark Slate text */
  --text-secondary: #334155;
  --text-muted: #64748b;
  
  --accent: #2563EB;
  
  --success: #15803d;
  --success-bg: #f0fdf4;
  --success-border: #bbf7d0;
  
  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  
  --warning: #b45309;
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Fira Code', monospace;
  --border-radius: 8px; /* Clean rounded card corners */
  --transition: all 0.15s ease-in-out;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05), 0 0 0 1px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
}

/* Authentication Page */
.auth-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: var(--bg-page);
  padding: 20px;
}

.auth-card {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow);
}

.auth-logo {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.auth-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* Forms styling */
.form-group {
  margin-bottom: 18px;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  background: var(--bg-main);
  border: 1px solid #64748b; /* Solid high-contrast border (Slate-500) */
  padding: 10px 14px;
  border-radius: 6px;
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-helper {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

/* Layout Wrapper */
.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Mobile Header navigation (Only visible on Mobile view) */
.mobile-header {
  display: none;
  background-color: #0f172a; /* Slate-900 same as desktop nav for dark contrast */
  border-bottom: 1px solid #1e293b;
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.mobile-nav-container {
  padding: 12px 20px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-brand-icon {
  color: var(--accent);
  width: 22px;
  height: 22px;
  stroke-width: 2px;
}

.mobile-brand h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.burger-menu-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: var(--transition);
}

.burger-menu-btn:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.05);
}

.burger-menu-btn i, .burger-menu-btn svg {
  width: 24px;
  height: 24px;
}

/* Sidebar Overlay Backdrop */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.4);
  z-index: 950;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease-in-out;
}

.sidebar-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Desktop Sidebar and Grid Wrapper Layout */
.dashboard-wrapper {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px 24px;
  width: 100%;
}

.dashboard-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  align-items: start;
  margin-top: 8px;
}

/* Card-style Left Sidebar - Sticky floating next to content panel */
.sidebar-panel {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 24px;
  height: auto;
}

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

.sidebar-brand-icon {
  color: var(--accent);
  width: 24px;
  height: 24px;
  stroke-width: 2.2px;
}

.sidebar-brand h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 6px;
  transition: var(--transition);
  border: 1px solid transparent;
}

.sidebar-link:hover {
  background-color: var(--bg-hover);
  color: var(--text-main);
  transform: translateX(4px);
  border-color: rgba(0, 0, 0, 0.03);
}

.sidebar-link.active {
  background-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
}

.sidebar-link.active:hover {
  transform: none;
  background-color: var(--accent);
}

.sidebar-icon, .lucide-icon, .lucide {
  width: 18px;
  height: 18px;
  stroke-width: 2px;
  display: inline-block;
  vertical-align: middle;
}

.sidebar-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  margin-top: auto;
}

.btn-logout-sidebar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 6px;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-logout-sidebar:hover {
  background-color: rgba(239, 68, 68, 0.05);
  color: var(--danger);
  border-color: var(--danger-border);
  transform: translateX(4px);
}

/* Main Content Area */
.main-content {
  display: flex;
  flex-direction: column;
  gap: 32px;
  width: 100%;
}

.main-content-header {
  margin-bottom: 8px;
  text-align: left;
}

.main-content-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.main-content-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Key Metric Widgets (3 columns) */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.metric-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow);
}

.metric-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent); /* Metric values popped with accent color */
  line-height: 1;
}

/* Content Panel Card */
.content-panel {
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  background-color: #f8fafc;
}

.panel-header h2 {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-main);
}

/* Buttons styling */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  font-family: var(--font-family);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-main);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  gap: 8px;
}

.btn:hover {
  background: var(--bg-hover);
  color: var(--text-main);
  border-color: #94a3b8;
}

.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: #1d4ed8;
  border-color: #1d4ed8;
  color: #FFFFFF;
}

.btn-secondary {
  background: var(--bg-main);
  color: var(--text-secondary);
}

/* School Table styling */
.table-container {
  overflow-x: auto;
  width: 100%;
}

.school-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.school-table th {
  padding: 16px 24px;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-main);
  background-color: #f1f5f9; /* High contrast header background */
  border-bottom: 2px solid var(--border-color);
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* Explicit widths on table headers to prevent wrap */
.school-table th:nth-child(1) { width: 28%; }
.school-table th:nth-child(2) { width: 22%; }
.school-table th:nth-child(3) { width: 15%; }
.school-table th:nth-child(4) { width: 17%; }
.school-table th:nth-child(5) { width: 18%; }

.school-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: var(--text-secondary);
  vertical-align: middle;
}

.school-table tr:nth-child(even) td {
  background-color: #f8fafc;
}

.school-table tr:hover td {
  background-color: #f1f5f9;
}

.school-table tr:last-child td {
  border-bottom: none;
}

.school-name {
  font-weight: 700;
  color: var(--text-main);
  display: block;
  font-size: 0.95rem;
}

.school-slug {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
  white-space: nowrap;
}

.school-domain {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
}

.school-domain:hover {
  text-decoration: underline;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-active {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.badge-inactive {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

/* Action Buttons cell */
.actions-cell {
  display: flex;
  gap: 8px;
  white-space: nowrap;
}

.btn-action {
  background: var(--bg-main);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-toggle-active {
  background-color: var(--bg-main);
  color: var(--text-secondary);
}

.btn-toggle-active:hover {
  background-color: var(--bg-hover);
  color: var(--text-main);
  border-color: #94a3b8;
}

.btn-edit {
  color: var(--accent);
  border-color: rgba(37, 99, 235, 0.3);
  background-color: #eff6ff;
}

.btn-edit:hover {
  background-color: #dbeafe;
  border-color: var(--accent);
}

.btn-delete {
  color: var(--danger);
  border-color: var(--danger-border);
  background-color: var(--danger-bg);
}

.btn-delete:hover {
  background-color: #fee2e2;
  border-color: var(--danger);
}

/* Docker Health Dot Indicator */
.health-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.health-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.health-dot-running {
  background-color: #0f9d58;
}

.health-dot-exited {
  background-color: #db4437;
}

.health-dot-none {
  background-color: var(--text-muted);
}

/* Alert dialog boxes */
.alert-danger {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger);
  padding: 12px 16px;
  border-radius: var(--border-radius);
  margin-bottom: 24px;
  font-size: 0.9rem;
  text-align: left;
}

/* Modal Overlay flat style */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.3); /* Slate-based dark blur */
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.progress-modal-card {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  width: 90%;
  max-width: 600px;
  border-radius: var(--border-radius);
  padding: 32px;
  box-shadow: var(--shadow-lg); /* Shadows back for modals */
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.progress-status {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.progress-percentage {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
}

/* Progress bar flat styling */
.progress-bar-container {
  width: 100%;
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 24px;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* Flat Console terminal styling */
.terminal-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.terminal-box {
  background: #0f172a; /* Slate terminal background */
  border: 1px solid #1e293b;
  border-radius: 6px;
  height: 200px;
  overflow-y: auto;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #38bdf8; /* terminal cyan text */
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-box::-webkit-scrollbar {
  width: 6px;
}

.terminal-box::-webkit-scrollbar-thumb {
  background: #334155;
}

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(37, 99, 235, 0.1);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .mobile-header {
    display: block;
  }

  .dashboard-wrapper {
    padding: 20px 16px;
  }

  .dashboard-container {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 0;
  }

  .sidebar-panel {
    position: fixed;
    top: 0;
    left: -280px;
    height: 100vh;
    width: 280px;
    z-index: 1000;
    background: var(--bg-main);
    box-shadow: var(--shadow-lg);
    border-radius: 0;
    border: none;
    border-right: 1px solid var(--border-color);
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 32px 24px;
    display: flex;
  }

  .sidebar-panel.active {
    left: 0;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .main-content {
    padding: 0;
    gap: 24px;
  }
}

/* Activity Logs specific styles */
.log-row-header {
  cursor: pointer;
}

.log-row-header:hover td {
  background-color: var(--bg-page) !important;
}

.log-detail-row td {
  border-bottom: 1px solid var(--border-color);
}

.transition-transform {
  transition: transform 0.2s ease-in-out;
}

.pagination-container {
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}