/* ============================================
   Top Navigation Bar
   ============================================ */

.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--color-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    z-index: 1000;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.nav-left {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    cursor: pointer;
}

.logo-icon {
    font-size: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.nav-center {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-btn svg {
    width: 20px;
    height: 20px;
}

.nav-btn:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

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

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

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-btn svg {
    width: 20px;
    height: 20px;
}

.icon-btn:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
    transform: scale(1.05);
}

.theme-icon {
    font-size: 1.25rem;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.btn svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   Workspace View
   ============================================ */

.workspace-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

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

.workspace-toolbar {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.view-toggle {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    padding: 2px;
}

.toggle-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.toggle-btn svg {
    width: 18px;
    height: 18px;
}

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

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

.search-bar {
    flex: 1;
    max-width: 400px;
}

.search-bar input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9375rem;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.sort-options select {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    cursor: pointer;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.breadcrumb-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 0.875rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.breadcrumb-item:hover {
    background: var(--color-surface);
    color: var(--color-text);
}

.breadcrumb-item.active {
    color: var(--color-primary);
    font-weight: 500;
}

.breadcrumb-item::after {
    content: '/';
    margin-left: var(--spacing-sm);
    color: var(--color-text-muted);
}

.breadcrumb-item:last-child::after {
    display: none;
}

/* ============================================
   File Manager
   ============================================ */

.file-manager {
    position: relative;
    min-height: 400px;
}

.files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-md);
}

.file-item,
.folder-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    user-select: none;
}

.file-item:hover,
.folder-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.file-item.dragging,
.folder-item.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}

.file-item.selected,
.folder-item.selected {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
}

.file-icon,
.folder-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.folder-icon {
    color: var(--color-warning);
}

.file-icon {
    color: var(--color-primary);
}

.file-name,
.folder-name {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text);
    font-weight: 500;
    word-break: break-word;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.file-actions {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    display: flex;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.file-item:hover .file-actions,
.folder-item:hover .file-actions {
    opacity: 1;
}

.file-favorite {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-favorite:hover {
    background: var(--color-surface-hover);
}

.file-favorite.active {
    background: var(--color-warning);
    border-color: var(--color-warning);
    color: white;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--color-text-muted);
    min-height: 400px;
}

.empty-state svg {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Sidebar & Music Player
   ============================================ */

.sidebar {
    position: fixed;
    right: 0;
    top: 80px;
    bottom: 0;
    width: 360px;
    background: var(--color-surface);
    border-left: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition-base);
    box-shadow: -4px 0 20px var(--shadow-color);
}

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

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

.sidebar-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.sidebar-toggle {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.music-player {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

.now-playing {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.track-artwork {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.artwork-placeholder {
    font-size: 2rem;
    color: var(--color-text-muted);
}

.track-info {
    flex: 1;
    min-width: 0;
}

.track-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-artist {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.progress-container {
    margin-bottom: var(--spacing-lg);
}

.progress-bar {
    position: relative;
    height: 6px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    cursor: pointer;
    margin-bottom: var(--spacing-xs);
}

.progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 0.1s linear;
}

.progress-handle {
    position: absolute;
    top: 50%;
    left: 0%;
    width: 14px;
    height: 14px;
    background: var(--color-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.progress-bar:hover .progress-handle {
    opacity: 1;
}

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

.controls-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.control-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.control-btn svg {
    width: 20px;
    height: 20px;
}

.control-btn:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
    transform: scale(1.1);
}

.btn-play {
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    color: white;
}

.btn-play:hover {
    background: var(--color-primary-dark);
    transform: scale(1.05);
}

.btn-play svg {
    width: 24px;
    height: 24px;
}

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

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

.volume-control svg {
    width: 18px;
    height: 18px;
    color: var(--color-text-secondary);
}

.volume-control input[type="range"] {
    flex: 1;
    height: 4px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    outline: none;
    -webkit-appearance: none;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
}

.volume-control input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

#volumeValue {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    min-width: 35px;
    text-align: right;
}

/* ============================================
   Playlist
   ============================================ */

.playlist-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

.playlist-header h4 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon svg {
    width: 18px;
    height: 18px;
}

.btn-icon:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
    border-color: var(--color-primary);
}

.playlist {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.playlist-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-xs);
}

.playlist-item:hover {
    background: var(--color-surface-hover);
}

.playlist-item.playing {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
}

.playlist-item-number {
    width: 24px;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.playlist-item.playing .playlist-item-number {
    color: var(--color-primary);
}

.playlist-item-info {
    flex: 1;
    min-width: 0;
}

.playlist-item-title {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.playlist-item-artist {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.playlist-item-duration {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.playlist-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--color-text-muted);
    min-height: 200px;
}

.playlist-empty p {
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Dashboard & Widgets
   ============================================ */

.dashboard-container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-lg);
    grid-auto-rows: minmax(200px, auto);
    min-height: 400px;
    width: 100%;
}

.widget {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    cursor: move;
}

.widget:hover {
    box-shadow: var(--shadow-md);
}

.widget.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
}

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

.widget-header h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.widget-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    transition: all var(--transition-fast);
}

.widget-close:hover {
    background: var(--color-surface-hover);
    color: var(--color-error);
}

.widget-content {
    flex: 1;
    overflow-y: auto;
}

.mini-player {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.mini-track-info {
    flex: 1;
    min-width: 0;
}

.mini-track-title {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mini-track-artist {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notes-textarea {
    width: 100%;
    height: 100%;
    min-height: 150px;
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    resize: none;
    outline: none;
}

.notes-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   Focus Mode
   ============================================ */

.focus-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 80px);
    text-align: center;
}

.focus-content {
    max-width: 500px;
}

.focus-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.focus-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.focus-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-overlay);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease-out;
    pointer-events: none;
}

.focus-overlay.active {
    display: flex;
    opacity: 1;
    pointer-events: auto;
}

.focus-timer {
    text-align: center;
    color: white;
}

.timer-display {
    font-size: 5rem;
    font-weight: 700;
    font-family: 'Inter', monospace;
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.timer-controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.timer-btn {
    padding: var(--spacing-sm) var(--spacing-xl);
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    border-radius: var(--radius-md);
    color: white;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
}

.timer-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* ============================================
   Modal
   ============================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-overlay);
    backdrop-filter: blur(4px);
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    animation: fadeIn 0.2s ease-out;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease-out;
}

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

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
}

.settings-section {
    margin-bottom: var(--spacing-xl);
}

.settings-section h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.setting-item {
    margin-bottom: var(--spacing-lg);
}

.setting-item label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.setting-item select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    cursor: pointer;
}

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

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.shortcut-label {
    font-size: 0.9375rem;
    color: var(--color-text);
}

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

.key {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text);
    font-family: 'Inter', monospace;
}

/* ============================================
   Context Menu
   ============================================ */

.context-menu {
    position: fixed;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 4000;
    display: none;
    flex-direction: column;
    min-width: 180px;
    overflow: hidden;
}

.context-menu.active {
    display: flex;
}

.context-item {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    text-align: left;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.context-item:hover {
    background: var(--color-surface-hover);
    color: var(--color-primary);
}

.context-item[data-action="delete"]:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .sidebar {
        width: 320px;
    }
    
    .main-content {
        padding-right: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .top-navbar {
        height: 70px;
        padding: 0 var(--spacing-md);
    }
    
    .nav-center {
        gap: var(--spacing-xs);
    }
    
    .nav-btn span {
        display: none;
    }
    
    .sidebar {
        width: 100%;
        top: 70px;
    }
    
    .sidebar.collapsed {
        transform: translateX(100%);
    }
    
    .main-content {
        padding: var(--spacing-md);
        padding-top: calc(70px + var(--spacing-md));
        padding-right: var(--spacing-md);
    }
    
    .workspace-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .workspace-toolbar {
        flex-wrap: wrap;
    }
    
    .files-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: var(--spacing-md);
    }
    
    .focus-title {
        font-size: 2rem;
    }
    
    .timer-display {
        font-size: 3rem;
    }
    
    .dashboard-container {
        grid-template-columns: 1fr;
    }
    
    .widget {
        grid-column: span 12 !important;
    }
}