/* Main CSS - Modern, Beautiful Styling */

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

:root {
  --sidebar-width: 320px;
  --header-height: 70px;
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --border-color: #e5e7eb;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --hover-bg: #f3f4f6;
  --success-color: #10b981;
  --error-color: #ef4444;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Roboto",
    "Oxygen",
    "Ubuntu",
    "Cantarell",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  background: var(--bg-secondary);
}

.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
  background: var(--bg-secondary);
}

/* Sidebar Styles - Clean & Simple */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-primary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-primary);
}

.sidebar-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.sidebar-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Search - Simple Style */
.search-container {
  padding: 16px 20px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.search-input {
  width: 100%;
  padding: 10px 12px 10px 36px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: all 0.2s;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-weight: 400;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cpath d='m21 21-4.35-4.35'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 12px center;
  background-size: 16px;
}

.search-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

/* Menu - Clean Design */
.menu {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
  background: var(--bg-primary);
}

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

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

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

.menu::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.menu-item {
  padding: 10px 12px;
  margin-bottom: 2px;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 6px;
  background: var(--bg-primary);
  border-left: 2px solid transparent;
}

.menu-item:hover {
  background-color: var(--hover-bg);
  border-left-color: var(--primary-color);
}

.menu-item.active {
  background-color: var(--bg-secondary);
  border-left-color: var(--primary-color);
}

.menu-name {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.menu-item.active .menu-name {
  color: var(--primary-color);
  font-weight: 600;
}

/* Sidebar Footer - Simple */
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
  font-size: 12px;
  color: var(--text-muted);
}

.footer-link {
  margin-top: 4px;
}

.footer-link a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s;
}

.footer-link a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Preview Area - Clean */
.preview-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  overflow: hidden;
}

.preview-header {
  height: var(--header-height);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preview-title-section {
  flex: 1;
}

.preview-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.preview-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Copy Button - Simple Design */
.copy-button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.copy-button:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.copy-button:active {
  transform: translateY(0);
}

.copy-button svg {
  width: 16px;
  height: 16px;
}

/* Preview Content - Simple Frame */
.preview-content {
  flex: 1;
  padding: 16px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.preview-iframe {
  width: 100%;
  height: 100%;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: white;
  transition: opacity 0.3s;
  box-shadow: var(--shadow-sm);
}

/* Notification Toast - Simple Design */
.notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  z-index: 1000;
  animation: slideIn 0.3s ease-out;
  border: 1px solid transparent;
}

.notification-success {
  background: var(--success-color);
  color: white;
  border-color: var(--success-color);
}

.notification-error {
  background: var(--error-color);
  color: white;
  border-color: var(--error-color);
}

.notification-info {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.notification.fade-out {
  animation: slideOut 0.3s ease-out;
}

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

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

/* Loading State */
.preview-iframe[style*="opacity: 0.5"] {
  pointer-events: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 280px;
  }
}

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

  .sidebar {
    width: 100%;
    height: 50vh;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .preview-area {
    height: 50vh;
  }

  .preview-header {
    height: 60px;
    padding: 0 16px;
  }

  .preview-title {
    font-size: 18px;
  }

  .preview-subtitle {
    display: none;
  }

  .copy-button {
    padding: 8px 16px;
    font-size: 13px;
  }

  .preview-content {
    padding: 12px;
  }
}

@media (max-width: 480px) {
  .sidebar-header {
    padding: 16px;
  }

  .search-container {
    padding: 12px 16px;
  }

  .menu {
    padding: 8px;
  }

  .menu-item {
    padding: 10px 12px;
  }

  .copy-button span {
    display: none;
  }

  .notification {
    bottom: 16px;
    right: 16px;
    left: 16px;
    text-align: center;
  }
}

/* Add Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");