/**
 * Main CSS - Global styles and layout
 */

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

[hidden] {
  display: none !important;
}

:root {
  --color-bg: #1a1a1a;
  --color-bg-light: #242424;
  --color-bg-lighter: #2a2a2a;
  --color-border: #3a3a3a;
  --color-text: #e0e0e0;
  --color-text-muted: #999999;
  --color-primary: #4a9eff;
  --color-primary-hover: #6ab7ff;
  --color-secondary: #666;
  --color-secondary-hover: #888;
  --color-success: #4aff9d;
  --color-warning: #ff9d4a;
  --color-danger: #ff4a4a;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  --radius-sm: 4px;
  --radius-md: 8px;

  --header-height: 60px;
  --status-bar-height: 30px;
  --sidebar-width: 250px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  overflow: hidden;
  height: 100vh;
}

/* Editor container */
.editor-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
.editor-header {
  height: var(--header-height);
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
}

.editor-header h1 {
  font-size: 20px;
  font-weight: 600;
}

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

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

/* Sidebars */
.media-panel,
.properties-panel {
  width: var(--sidebar-width);
  background: var(--color-bg-light);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.properties-panel {
  border-right: none;
  border-left: 1px solid var(--color-border);
}

.media-panel h2,
.properties-panel h2 {
  font-size: 14px;
  font-weight: 600;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Media panel */
.media-import {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.media-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-sm);
}

/* Properties panel */
.properties-content {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: auto;
}

.empty-message {
  color: var(--color-text-muted);
  font-size: 14px;
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* Center area */
.editor-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

/* Preview section */
.preview-section {
  height: 40%;
  min-height: 200px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.preview-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  min-height: 0;
}

#previewCanvas {
  background: #000;
  border-radius: var(--radius-sm);
}

.preview-controls {
  height: 50px;
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  gap: var(--spacing-md);
}

.time-display {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  min-width: 80px;
}

.volume-slider {
  width: 100px;
  margin-left: auto;
}

.volume-label {
  font-size: 16px;
}

/* Timeline section */
.timeline-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.timeline-toolbar {
  height: 40px;
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  gap: var(--spacing-sm);
}

.zoom-label {
  margin-left: auto;
  font-size: 12px;
  color: var(--color-text-muted);
}

.zoom-level {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  min-width: 50px;
  text-align: center;
}

/* Status bar */
.status-bar {
  height: var(--status-bar-height);
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-md);
  font-size: 12px;
}

#statusText {
  color: var(--color-text);
}

#fps {
  color: var(--color-text-muted);
  font-family: 'Courier New', monospace;
}

.export-command-bar {
  height: 40px;
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0 var(--spacing-md);
  font-size: 12px;
}

.export-command-label {
  color: var(--color-text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.export-command-input {
  flex: 1;
  min-width: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  color: var(--color-text);
  font-family: 'Courier New', monospace;
  font-size: 11px;
}

/* Buttons */
.btn {
  background: var(--color-secondary);
  color: var(--color-text);
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn:hover:not(:disabled) {
  background: var(--color-secondary-hover);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

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

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.btn-sm {
  padding: 4px 12px;
  font-size: 12px;
}

.separator {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  margin: 0 var(--spacing-xs);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

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

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.close-btn {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-text);
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.modal-message {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: var(--spacing-md);
}

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

/* Shortcuts table */
.shortcuts-table {
  width: 100%;
  border-collapse: collapse;
}

.shortcuts-table tr {
  border-bottom: 1px solid var(--color-border);
}

.shortcuts-table td {
  padding: var(--spacing-sm) 0;
}

.shortcuts-table td:first-child {
  font-weight: 600;
}

kbd {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  margin: 0 2px;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-secondary);
}