/* Import Fontshare Fonts */
@import url('https://api.fontshare.com/v2/css?f[]=cabinet-grotesk@800&f[]=satoshi@300,400,500,700&display=swap');

:root {
  /* Brand Colors */
  --color-background: #ffffff;
  --color-foreground: #282728;
  --color-accent: #ffb20f;
  --color-muted: #e6e6e6;
  --color-border: #ece9e9;

  /* Additional functional colors (adapted to brand) */
  --danger-color: #ef4444;
  --danger-hover: #dc2626;

  /* Typography */
  --font-display: 'Cabinet Grotesk', sans-serif;
  --font-body: 'Satoshi', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.4s ease-in-out;
}

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  background-color: var(--color-background);
  color: var(--color-foreground);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6, .logo {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--color-foreground);
}

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

.main-content {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: auto;
  margin-left: 250px;
  max-width: 1024px; /* Constrain reading width for content area */
  width: calc(100% - 250px);
}

/* Mobile Header */
.mobile-header {
  display: none;
  background-color: var(--color-background);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.menu-toggle {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-foreground);
  padding: var(--spacing-xs);
}

/* Sidebar */
.sidebar {
  width: 250px;
  background-color: var(--color-background);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  left: 0;
  top: 0;
  z-index: 200;
  transition: transform var(--transition-normal);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(40, 39, 40, 0.5);
  z-index: 150;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.sidebar-header {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.logo-text {
  color: var(--color-foreground);
}

.logo-punct {
  transition: color var(--transition-fast);
}

.logo-sub {
  font-family: var(--font-body);
  font-weight: 300; /* Light */
  font-size: 1rem;
  margin-left: 0.5rem;
  color: var(--color-foreground);
  opacity: 0.7;
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-sm) 0;
}

.sidebar-nav ul {
  list-style: none;
}

.sidebar-nav a {
  display: block;
  padding: var(--spacing-xs) var(--spacing-md);
  color: var(--color-foreground);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: background var(--transition-fast);
}

.sidebar-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--spacing-md);
  right: var(--spacing-md);
  height: 2px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: bottom left;
  transition: transform var(--transition-fast);
}

.sidebar-nav a:hover {
  background-color: var(--color-muted);
}

.sidebar-nav a:hover::after, .sidebar-nav a.active::after {
  transform: scaleX(1);
}

.sidebar-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

/* Login */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: var(--color-background);
  animation: fadeInDown 0.8s ease-out;
}

.login-box {
  background: var(--color-background);
  padding: var(--spacing-md);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  width: 100%;
  max-width: 400px;
  margin: var(--spacing-sm);
}

.login-box h2 {
  margin-bottom: var(--spacing-md);
  text-align: center;
}

/* Modules */
.module-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
  animation: fadeInDown 0.8s ease-out;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Dashboard Grid & Cards */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.card {
  background: var(--color-background);
  padding: var(--spacing-md);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
  border-color: var(--color-accent);
}

.card h3, .tool-name, .academic-item-title {
  font-family: var(--font-display);
  margin-bottom: var(--spacing-xs);
}

.card h3 a {
  color: inherit;
  text-decoration: none;
}

.card h3 a:hover {
  color: var(--color-accent);
}

.card.error {
  border-color: var(--danger-color);
  background: #fef2f2;
}

.repo-desc {
  color: var(--color-foreground);
  opacity: 0.8;
  margin-bottom: var(--spacing-sm);
}

.repo-stats {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.repo-stats li {
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
}

.commit-info {
  background: var(--color-muted);
  padding: var(--spacing-sm);
  border-radius: 4px;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

.commit-message {
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.commit-meta {
  color: var(--color-foreground);
  opacity: 0.8;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

.form-control, .form-control-file {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--color-background);
  color: var(--color-foreground);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.checkbox-wrapper label {
  margin-bottom: 0;
  font-weight: 400;
}

.editor-toolbar {
  background: var(--color-muted);
  padding: var(--spacing-xs);
  border: 1px solid var(--color-border);
  border-bottom: none;
  border-radius: 4px 4px 0 0;
  display: flex;
  gap: var(--spacing-xs);
}

.wysiwyg-editor {
  min-height: 300px;
  border: 1px solid var(--color-border);
  border-radius: 0 0 4px 4px;
  padding: var(--spacing-sm);
  background: var(--color-background);
  overflow-y: auto;
}

.wysiwyg-editor:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-background);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease-out 0.2s both;
  min-width: 600px; /* Ensure content doesn't squeeze too much on mobile */
}

.table th, .table td {
  padding: var(--spacing-sm);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  background: var(--color-muted);
  font-weight: 700;
}

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

.actions {
  display: flex;
  gap: var(--spacing-xs);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--color-foreground);
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  text-align: center;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  font-size: 1rem;
  text-decoration: none;
  background: transparent;
  color: var(--color-foreground);
  font-family: var(--font-body);
}

.btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
}

/* Primary buttons per guidelines */
.btn-primary {
  background: transparent;
  color: var(--color-foreground);
  border-color: var(--color-foreground);
}

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

.btn-secondary {
  border-color: var(--color-border);
  background: var(--color-muted);
}

.btn-secondary:hover {
  background: var(--color-foreground);
  color: var(--color-background);
  border-color: var(--color-foreground);
}

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

.btn-danger:hover {
  background: var(--danger-color);
  color: var(--color-background);
}

.w-100 {
  width: 100%;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(40, 39, 40, 0.5); /* Brand dark foreground with opacity */
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: var(--spacing-sm);
}

.modal {
  background: var(--color-background);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  animation: fadeInUp 0.4s ease-out;
}

.modal-header {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-foreground);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.modal-close:hover {
  opacity: 1;
}

.modal-body {
  padding: var(--spacing-md);
  overflow-y: auto;
}

.modal-footer {
  padding: var(--spacing-sm) var(--spacing-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* File Browser */
.breadcrumbs {
  background: var(--color-background);
  padding: var(--spacing-sm);
  border-radius: 4px;
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.breadcrumb-link {
  color: var(--color-foreground);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
  color: var(--color-accent);
}

.breadcrumb-item.active {
  color: var(--color-foreground);
  opacity: 0.6;
}

.file-row .icon {
  margin-right: var(--spacing-xs);
}

.file-link {
  color: var(--color-foreground);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.file-link:hover {
  color: var(--color-accent);
}

/* Utilities */
.text-danger {
  color: var(--danger-color);
}

.loading-spinner {
  border: 3px solid var(--color-muted);
  border-top: 3px solid var(--color-accent);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 1s linear infinite;
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.alert {
  padding: var(--spacing-sm);
  border-radius: 4px;
  margin-bottom: var(--spacing-sm);
}

.alert-danger {
  background: #fef2f2;
  border: 1px solid var(--danger-color);
  color: var(--danger-color);
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
  .app-layout {
    flex-direction: column;
  }

  .main-content {
    margin-left: 0;
    width: 100%;
    padding: var(--spacing-sm);
  }

  .mobile-header {
    display: flex;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.show {
    display: block;
    opacity: 1;
  }

  .module-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }

  .header-actions .btn {
    flex: 1;
    text-align: center;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .modal {
    width: 95%;
    max-height: 95vh;
  }

  .modal-body {
    padding: var(--spacing-sm);
  }
}