/* ==================== VARIABLES & RESET ==================== */

:root {
  --color-primary: #2c3e50;
  --color-secondary: #34495e;
  --color-accent: #3498db;
  --color-accent-hover: #2980b9;
  --color-danger: #e74c3c;
  --color-success: #27ae60;
  --color-warning: #f39c12;
  
  --bg-dark: #1a1a1a;
  --bg-darker: #0f0f0f;
  --bg-light: #2a2a2a;
  --text-primary: #e0e0e0;
  --text-secondary: #b0b0b0;
  --border-color: #404040;
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  --transition: all 0.2s ease-in-out;
  --radius: 8px;
}

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

.hidden {
  display: none !important;
}

html, body {
  width: 100%;
  height: 100%;
  background: var(--bg-darker);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

/* ==================== DASHBOARD LAYOUT ==================== */

.dashboard {
  display: flex;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

/* ==================== SIDEBAR ==================== */

.sidebar {
  width: 280px;
  background: var(--color-primary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-secondary) transparent;
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 3px;
}

.sidebar-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h1 {
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--text-primary);
}

.sidebar-header i {
  color: var(--color-accent);
  font-size: 1.5rem;
}

/* ==================== STORAGE SECTION ==================== */

.storage-section,
.shortcuts-section {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.storage-section h3,
.shortcuts-section h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

/* ==================== DRIVES LIST ==================== */

.drives-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.drive-item {
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.drive-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent);
}

.drive-name {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 0.8rem;
  word-break: break-all;
}

.drive-name i {
  color: var(--color-accent);
  width: 20px;
}

.drive-bar {
  width: 100%;
  height: 4px;
  background: var(--color-secondary);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
}

.drive-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-success), var(--color-warning));
  border-radius: 2px;
  transition: var(--transition);
}

.drive-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ==================== SHORTCUTS ==================== */

.shortcuts-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.shortcut-btn {
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.9rem;
}

.shortcut-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.shortcut-btn i {
  font-size: 1rem;
  width: 20px;
}

a.logout-btn {
  text-decoration: none;
}

/* ==================== MAIN CONTENT ==================== */

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-dark);
}

/* ==================== TOP BAR ==================== */

.top-bar {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  background: var(--color-primary);
}

/* ==================== BREADCRUMBS ==================== */

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.breadcrumb-btn {
  background: transparent;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  transition: var(--transition);
  font-size: 0.9rem;
}

.breadcrumb-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.breadcrumb-separator {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* ==================== VIEW TOGGLE ==================== */

.view-toggle {
  display: flex;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-sm);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.view-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 4px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.view-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.view-btn.active {
  background: var(--color-accent);
  color: white;
}

/* ==================== FILE CONTAINER ==================== */

.file-container {
  flex: 1;
  padding: var(--spacing-xl);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-secondary) transparent;
}

.file-container::-webkit-scrollbar {
  width: 8px;
}

.file-container::-webkit-scrollbar-track {
  background: transparent;
}

.file-container::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 4px;
}

/* ==================== GRID VIEW ==================== */

.file-container.grid-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-lg);
}

/* ==================== LIST VIEW ==================== */

.file-container.list-view {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.file-container.list-view .file-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  gap: var(--spacing-md);
}

.file-container.list-view .file-item:hover {
  background: rgba(52, 152, 219, 0.1);
  border-color: var(--color-accent);
}

.file-container.list-view .file-icon {
  font-size: 1.5rem;
  min-width: 30px;
}

.file-container.list-view .file-info {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.file-container.list-view .file-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-container.list-view .file-meta {
  display: flex;
  gap: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* ==================== FILE ITEM (GRID) ==================== */

.file-item {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: 140px;
  justify-content: flex-start;
}

.file-item:hover {
  background: rgba(52, 152, 219, 0.1);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.file-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.file-item.directory .file-icon {
  color: var(--color-accent);
}

.file-item.file .file-icon {
  color: var(--text-secondary);
}

.file-name {
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-word;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
}

.file-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: auto;
  width: 100%;
}

.file-size {
  display: block;
}

.file-date {
  display: block;
}

/* ==================== EMPTY STATE ==================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-secondary);
}

.empty-state i {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-state p {
  font-size: 1.1rem;
}

.empty-state.hidden,
.error-state.hidden {
  display: none;
}

/* ==================== ERROR STATE ==================== */

.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-danger);
  padding: var(--spacing-xl);
  text-align: center;
}

.error-state i {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
}

.error-state p {
  font-size: 1rem;
}

/* ==================== LOADING ==================== */

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: var(--spacing-lg);
}

.loading.hidden {
  display: none;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ==================== MODAL ==================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-lg);
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  width: 90%;
  max-width: 900px;
  height: 90vh;
  max-height: 80vh;
  overflow: hidden;
}

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

.modal-header h2 {
  font-size: 1.2rem;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-right: var(--spacing-md);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--color-accent);
}

.modal-info {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  scrollbar-width: thin;
  scrollbar-color: var(--color-secondary) transparent;
}

.modal-body::-webkit-scrollbar {
  width: 8px;
}

.modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 4px;
}

/* ==================== CODE CONTENT ==================== */

.code-content {
  background: var(--bg-darker);
  color: var(--text-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  overflow: auto;
  border: 1px solid var(--border-color);
  line-height: 1.4;
}

.code-content code {
  color: inherit;
  background: transparent;
  padding: 0;
}

/* ==================== MODAL FOOTER ==================== */

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

/* ==================== BUTTONS ==================== */

.btn {
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 500;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--color-accent);
}

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

.btn-danger:hover {
  background: #c0392b;
}

/* ==================== TOOLBAR ACTIONS ==================== */

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

/* ==================== PROMPT / CONFIRM MODAL ==================== */

.prompt-content {
  max-width: 420px;
  height: auto;
  max-height: none;
}

.prompt-content .modal-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

#prompt-message,
#confirm-message {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.prompt-input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.95rem;
}

.prompt-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* ==================== FILE ITEM ACTIONS ==================== */

.file-item {
  position: relative;
}

.file-actions {
  position: absolute;
  top: var(--spacing-xs);
  right: var(--spacing-xs);
  display: none;
  gap: var(--spacing-xs);
  z-index: 1;
}

.file-item:hover .file-actions {
  display: flex;
}

.file-action-btn {
  width: 26px;
  height: 26px;
  border: none;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.55);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: var(--transition);
}

.file-action-btn:hover {
  background: var(--color-accent);
}

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

.file-container.list-view .file-actions {
  position: static;
  display: flex;
  margin-left: var(--spacing-md);
}

/* ==================== TOAST ==================== */

.toast {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  background: var(--color-primary);
  color: var(--text-primary);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-success);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  max-width: 300px;
  z-index: 2000;
  animation: slideIn 0.3s ease-out;
}

.toast.hidden {
  display: none;
}

.toast.error {
  border-left-color: var(--color-danger);
}

.toast.warning {
  border-left-color: var(--color-warning);
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 768px) {
  .dashboard {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    max-height: 200px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    flex-direction: row;
    overflow-x: auto;
  }

  .sidebar-header {
    min-width: 200px;
  }

  .storage-section,
  .shortcuts-section {
    min-width: 200px;
    border-bottom: none;
    border-right: 1px solid var(--border-color);
  }

  .file-container.grid-view {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }

  .top-bar {
    padding: var(--spacing-md);
  }

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

@media (max-width: 480px) {
  .file-container.grid-view {
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  }

  .modal-info {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .modal-footer {
    flex-direction: column-reverse;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ==================== HIGHLIGHT.JS OVERRIDE ==================== */

.hljs {
  background: transparent;
  color: var(--text-primary);
  padding: 0;
}

.hljs-attr {
  color: #61afef;
}

.hljs-string {
  color: #98c379;
}

.hljs-number {
  color: #e5c07b;
}

.hljs-literal {
  color: #e06c75;
}

.hljs-tag {
  color: #e06c75;
}

.hljs-name {
  color: #61afef;
}

.hljs-builtin {
  color: #61afef;
}

.hljs-title {
  color: #61afef;
}

.hljs-section {
  color: #e06c75;
}

.hljs-keyword {
  color: #c678dd;
}