:root {
  /* Dark, Elegant Color Palette */
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-tertiary: #2a2a2a;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0a0;
  --accent-color: #4caf50;
  --highlight-color: #81c784;
  --border-color: #333333;
  --transition-speed: 0.3s;
  --font-family: "Inter", "system-ui", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-color) var(--bg-secondary);
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  height: 100vh;
  overflow: hidden;
  line-height: 1.6;
}

#app-container {
  display: flex;
  width: 100%;
  height: 100vh;
  transition: all var(--transition-speed) ease;
}

#top-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  padding: 10px 15px;
  height: 60px;
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

#top-bar h1 {
  font-size: 1.2rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.top-bar-actions {
  display: flex;
  gap: 10px;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition-speed);
  font-size: 1.2rem;
}

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

#sidebar {
  width: 300px;
  background-color: var(--bg-secondary);
  padding: 80px 20px 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-speed), width var(--transition-speed);
  border-right: 1px solid var(--border-color);
  z-index: 10;
}

#sidebar.hidden {
  width: 0;
  transform: translateX(-100%);
  overflow: hidden;
  padding: 80px 0 20px;
}

#main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  margin-top: 60px;
}

#video-container {
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--bg-primary);
  transition: all var(--transition-speed);
}

#video-player {
  width: 100%;
  height: 100%;
  border: none;
  max-width: 1600px;
}

.input-group {
  display: flex;
  margin-bottom: 15px;
}

.input-group input {
  flex-grow: 1;
  padding: 12px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-speed);
  border-radius: 4px 0 0 4px;
}

.input-group button {
  background-color: var(--accent-color);
  color: var(--text-primary);
  border: none;
  padding: 12px 20px;
  cursor: pointer;
  transition: background-color var(--transition-speed);
  border-radius: 0 4px 4px 0;
}

.input-group button:hover {
  background-color: var(--highlight-color);
}

.list-section {
  margin-bottom: 20px;
}

.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--border-color);
}

.list-header h3 {
  color: var(--text-secondary);
  font-weight: 600;
}

.list-header .action-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition-speed);
  font-size: 1.2rem;
}

.list-header .action-btn:hover {
  color: var(--accent-color);
}

#saved-videos,
#playlist-list {
  list-style-type: none;
  padding: 0;
}

.item {
  display: flex;
  align-items: center;
  background-color: var(--bg-tertiary);
  margin-bottom: 10px;
  padding: 10px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.item-thumbnail {
  width: 80px;
  height: 60px;
  object-fit: cover;
  margin-right: 10px;
  border-radius: 4px;
}

.item-content {
  flex-grow: 1;
  margin-right: 10px;
}

.item-title {
  color: var(--text-primary);
  font-size: 0.9rem;
}

.item-actions {
  display: flex;
  gap: 10px;
}

.item-actions button {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition-speed);
  font-size: 1.2rem;
  padding: 5px;
}

.item-actions button:hover {
  color: var(--accent-color);
}

.item-list {
  max-height: 250px;
  overflow-y: auto;
}

.item {
  background-color: var(--bg-tertiary);
  margin-bottom: 10px;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 4px;
  transition: background-color var(--transition-speed);
  border: 1px solid var(--border-color);
}

.item:hover {
  background-color: var(--bg-secondary);
}

.item-actions {
  display: flex;
  gap: 10px;
}

.item-actions button {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition-speed),
    background-color var(--transition-speed);
  padding: 5px;
  border-radius: 3px;
  font-size: 1rem;
}

.item-actions button:hover {
  color: var(--accent-color);
  background-color: rgba(76, 175, 80, 0.1);
}

.empty-item {
  color: var(--text-secondary);
  text-align: center;
  padding: 15px;
  background-color: var(--bg-tertiary);
  border-radius: 4px;
}

#notification-container {
  position: fixed;
  top: 70px;
  right: 20px;
  z-index: 1000;
}

.notification {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 10px 15px;
  margin-bottom: 10px;
  border-radius: 4px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  opacity: 1;
  transition: opacity 0.5s ease;
}

.notification.success {
  border-left: 4px solid #4caf50;
}

.notification.warning {
  border-left: 4px solid #ff9800;
}

.notification.error {
  border-left: 4px solid #f44336;
}

.notification.fade-out {
  opacity: 0;
}

@media (max-width: 768px) {
  #sidebar {
    width: 250px;
  }
}

.focus-mode #sidebar {
  width: 0;
  transform: translateX(-100%);
  overflow: hidden;
}

.focus-mode #video-container {
  width: 100%;
  max-width: 100%;
}

.focus-mode #main-content {
  margin-top: 0;
}

/* Existing CSS remains the same, add these new styles */
.item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0;
  overflow: hidden;
}

.item-main {
  display: flex;
  align-items: center;
  padding: 10px;
}

.item-actions {
  display: flex;
  justify-content: center;
  background-color: var(--bg-secondary);
  padding: 5px;
  border-top: 1px solid var(--border-color);
  gap: 20px;
}

.item-thumbnail {
  width: 80px;
  height: 60px;
  object-fit: cover;
  margin-right: 10px;
}

.item-content {
  flex-grow: 1;
}

/* Modal styles for rename */
.rename-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.rename-modal-content {
  background: var(--bg-secondary);
  padding: 20px;
  border-radius: 8px;
  width: 300px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.rename-modal input {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.rename-modal-actions {
  display: flex;
  justify-content: space-between;
}

.rename-modal-actions button {
  padding: 10px 15px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.rename-modal-actions .cancel-btn {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.rename-modal-actions .save-btn {
  background: var(--accent-color);
  color: var(--text-primary);
}