/* Enhanced UI Components */

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9996;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.modal-overlay.show {
    opacity: 1;
}

.modal-overlay.hiding {
    opacity: 0;
}

.modal-dialog {
    background: var(--card-bg);
    border-radius: var(--border-radius-large);
    max-width: 90%;
    max-height: 90%;
    overflow: hidden;
    box-shadow: 0 10px 25px var(--shadow-heavy);
    transform: scale(0.9);
    transition: transform var(--transition-medium);
}

.modal-overlay.show .modal-dialog {
    transform: scale(1);
}

.modal-overlay.hiding .modal-dialog {
    transform: scale(0.9);
}

.modal-content {
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: color var(--transition-fast);
}

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

.modal-body {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Modal sizes */
.modal-overlay.small .modal-dialog {
    max-width: 400px;
}

.modal-overlay.medium .modal-dialog {
    max-width: 600px;
}

.modal-overlay.large .modal-dialog {
    max-width: 800px;
}

.modal-overlay.full .modal-dialog {
    max-width: 95%;
    max-height: 95%;
}

/* Enhanced Notification Styles */
.notification {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 0.5rem;
    box-shadow: 0 4px 6px var(--shadow-medium);
    border-left: 4px solid var(--accent-color);
    transform: translateX(100%);
    opacity: 0;
    transition: all var(--transition-medium);
    max-width: 400px;
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification.removing {
    transform: translateX(100%);
    opacity: 0;
}

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

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

.notification.warning {
    border-left-color: var(--warning-color);
}

.notification-content {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.notification-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.notification-message {
    flex: 1;
    min-width: 0;
}

.notification-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.notification-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

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

.notification-actions {
    margin-top: 0.75rem;
    display: flex;
    gap: 0.5rem;
}

/* Loading Overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 26, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    backdrop-filter: blur(2px);
}

.loading-content {
    text-align: center;
    color: var(--text-primary);
}

.loading-content .spinner {
    margin-bottom: 1rem;
}

.loading-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Tooltip Styles */
.tooltip {
    position: absolute;
    background: var(--secondary-bg);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: 9999;
    opacity: 0;
    transform: translateY(5px);
    transition: all var(--transition-fast);
    box-shadow: 0 2px 8px var(--shadow-medium);
    border: 1px solid var(--border-color);
}

.tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

.tooltip::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border: 4px solid transparent;
}

.tooltip-top::before {
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-top-color: var(--secondary-bg);
}

.tooltip-bottom::before {
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-bottom-color: var(--secondary-bg);
}

.tooltip-left::before {
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-left-color: var(--secondary-bg);
}

.tooltip-right::before {
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-right-color: var(--secondary-bg);
}

/* Dropdown Styles */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
}

.dropdown-toggle:hover {
    background: var(--card-bg);
}

.dropdown-toggle::after {
    content: '▼';
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

.dropdown-toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 160px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px var(--shadow-medium);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

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

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--secondary-bg);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--sidebar-gradient-end));
    border-radius: 4px;
    transition: width var(--transition-medium);
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Page Error Styles */
.page-error {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    text-align: center;
}

.error-content h1 {
    font-size: 4rem;
    font-weight: 700;
    color: var(--error-color);
    margin-bottom: 1rem;
}

.error-content h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.error-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.breadcrumb-item {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

.breadcrumb-separator {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Enhanced Sidebar Styles */
.sidebar {
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-medium), width var(--transition-medium);
}

.sidebar.collapsed {
    width: 60px;
}

.sidebar.collapsed .nav-link span {
    display: none;
}

.sidebar.collapsed .user-details {
    display: none;
}

.sidebar.collapsed .sidebar-header .logo h2 {
    font-size: 1rem;
}

/* Mobile Sidebar */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    /* Mobile overlay */
    .sidebar.mobile-open::after {
        content: '';
        position: fixed;
        top: 0;
        left: 240px;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
    }
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .modal-dialog {
        max-width: 95%;
        margin: 1rem;
    }
    
    .notification {
        max-width: calc(100vw - 2rem);
    }
    
    .error-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation keyframes */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeOutScale {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.9);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .modal-dialog,
    .notification,
    .tooltip,
    .dropdown-menu {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .modal-overlay,
    .modal-dialog,
    .notification,
    .tooltip,
    .dropdown-menu,
    .progress-fill {
        transition: none !important;
        animation: none !important;
    }
}