/* Advanced Taskbar */
.taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-lg);
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

.start-button {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: white;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    min-width: 80px;
}

.start-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.start-button:active,
.start-button.active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

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

.taskbar-search {
    margin-left: var(--spacing-lg);
    position: relative;
    flex: 0 0 300px;
}

.taskbar-search i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1rem;
}

.taskbar-search input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: white;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.taskbar-search input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.taskbar-buttons {
    flex: 1;
    display: flex;
    gap: var(--spacing-sm);
    margin-left: var(--spacing-lg);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.taskbar-buttons::-webkit-scrollbar {
    display: none;
}

.taskbar-button {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 200px;
    min-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    backdrop-filter: blur(10px);
}

.taskbar-button:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.taskbar-button.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.taskbar-button i {
    font-size: 1rem;
    flex-shrink: 0;
}

.system-tray {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: var(--spacing-lg);
}

.tray-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.tray-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.tray-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.tray-icon i {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.battery-level {
    position: absolute;
    bottom: -2px;
    right: -2px;
    background: #10b981;
    color: white;
    font-size: 0.625rem;
    padding: 1px 4px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: #ef4444;
    color: white;
    font-size: 0.625rem;
    padding: 1px 4px;
    border-radius: 50%;
    min-width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.system-clock {
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 100px;
}

.system-clock .time {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.system-clock .date {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 1px;
}

/* Advanced Start Menu */
.start-menu {
    position: fixed;
    bottom: 70px;
    left: var(--spacing-lg);
    width: 600px;
    height: 500px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    display: flex;
    overflow: hidden;
    animation: startMenuSlide 0.3s ease-out;
}

.start-menu-sidebar {
    width: 200px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    color: white;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.user-profile {
    margin-bottom: var(--spacing-xl);
}

.avatar {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    backdrop-filter: blur(10px);
}

.avatar i {
    font-size: 1.5rem;
}

.username {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.user-status {
    font-size: 0.75rem;
    opacity: 0.8;
}

.quick-actions {
    margin-top: auto;
}

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

.quick-action:hover {
    background: rgba(255, 255, 255, 0.1);
}

.quick-action i {
    font-size: 1.1rem;
}

.start-menu-main {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.start-menu-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.pinned-apps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.app-tile {
    aspect-ratio: 1;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    padding: var(--spacing-sm);
    text-align: center;
}

.app-tile.large {
    grid-column: span 2;
    aspect-ratio: 2/1;
}

.app-tile:hover {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.app-tile i {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.app-tile span {
    font-size: 0.75rem;
    font-weight: 500;
}

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

.start-menu-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.recent-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.recent-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);
    font-size: 0.875rem;
}

.recent-item:hover {
    background: var(--accent-color);
    color: white;
}

.recent-item i {
    font-size: 1rem;
    width: 16px;
}

.all-apps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.app-category {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.category-header {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-color);
}

.category-apps {
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.app-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.app-item:hover {
    background: var(--accent-color);
    color: white;
}

/* Notification Center */
.notification-center {
    position: fixed;
    top: 70px;
    right: var(--spacing-lg);
    width: 350px;
    max-height: 500px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    overflow: hidden;
    animation: notificationSlide 0.3s ease-out;
}

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

.notification-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    flex: 1;
}

.clear-all {
    background: none;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.clear-all:hover {
    background: var(--accent-color);
    color: white;
}

.notifications-list {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.notification-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.notification-item:hover {
    background: rgba(79, 70, 229, 0.05);
}

.notification-item i {
    font-size: 1.25rem;
    color: var(--accent-color);
    margin-top: 2px;
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.notification-message {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
}

.notification-time {
    font-size: 0.625rem;
    color: var(--text-secondary);
}

/* System Notifications (Toast) */
.notifications {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 4000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.notification {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 350px;
    box-shadow: var(--shadow-lg);
    animation: notificationSlideIn 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

.notification::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-color);
}

.notification-title {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
}

.notification-message {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Responsive Taskbar */
@media (max-width: 768px) {
    .taskbar {
        height: 50px;
        padding: 0 var(--spacing-md);
    }
    
    .taskbar-search {
        flex: 0 0 200px;
        margin-left: var(--spacing-md);
    }
    
    .start-menu {
        width: calc(100vw - 2rem);
        height: 400px;
        left: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .start-menu-sidebar {
        width: 150px;
    }
    
    .notification-center {
        width: calc(100vw - 2rem);
        right: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .taskbar-search {
        display: none;
    }
    
    .start-menu {
        flex-direction: column;
        height: 60vh;
    }
    
    .start-menu-sidebar {
        width: 100%;
        height: 120px;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .user-profile {
        margin-bottom: 0;
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .avatar {
        width: 40px;
        height: 40px;
        margin-bottom: 0;
    }
    
    .quick-actions {
        margin-top: 0;
        display: flex;
        gap: var(--spacing-sm);
    }
}