/* ===================================
   UI COMPONENTS
   Professional Reusable Components
   =================================== */

/* Badge Components */
.badge-custom {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
}

.badge-active {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
}

.badge-inactive {
    background: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
}

.badge-pending {
    background: linear-gradient(135deg, #ffc107 0%, #ffeb3b 100%);
    color: #212529;
    box-shadow: 0 2px 8px rgba(255, 193, 7, 0.3);
}

.badge-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Card Variations */
.card-stat {
    background: linear-gradient(135deg, var(--surface-color) 0%, #f8f9fa 100%);
    border-left: 4px solid var(--primary-color);
}

.card-stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-md);
}

.card-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin: 0.5rem 0;
}

.card-stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Modal Enhancements */
.modal-content {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    padding: 1.5rem;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.modal-header .btn-close:hover {
    opacity: 1;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
    background-color: var(--bg-color);
}

/* Progress Bars */
.progress {
    height: 12px;
    border-radius: 50px;
    background-color: var(--border-color);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: visible;
}

.progress-bar {
    border-radius: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    box-shadow: 0 2px 4px rgba(91, 192, 190, 0.3);
    position: relative;
    transition: width 0.6s ease;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Spinner/Loader */
.spinner-custom {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.loading-content {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

/* Tooltips */
.tooltip-custom {
    position: relative;
    display: inline-block;
    cursor: help;
}

.tooltip-custom::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background-color: var(--text-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.tooltip-custom:hover::after {
    opacity: 1;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    opacity: 0.8;
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state-text {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* Breadcrumbs */
.breadcrumb {
    background: var(--surface-color);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.breadcrumb-item {
    font-size: 0.9375rem;
    font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--text-muted);
    font-size: 1.25rem;
}

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

/* Pagination */
.pagination {
    gap: 0.5rem;
}

.page-link {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all var(--transition-fast);
}

.page-link:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

/* Dropdown Menus */
.dropdown-menu {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.dropdown-item {
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.dropdown-item:hover {
    background-color: rgba(91, 192, 190, 0.1);
    color: var(--primary-color);
    transform: translateX(4px);
}

.dropdown-divider {
    margin: 0.5rem 0;
    opacity: 0.2;
}

/* Tabs */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
    gap: 0.5rem;
}

.nav-tabs .nav-link {
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 1rem 1.5rem;
    transition: all var(--transition-fast);
}

.nav-tabs .nav-link:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-light);
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: transparent;
}

/* Accordion */
.accordion-item {
    border: none;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.accordion-button {
    background: linear-gradient(135deg, var(--surface-color) 0%, var(--bg-color) 100%);
    color: var(--text-primary);
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    border: none;
    transition: all var(--transition-fast);
}

.accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(91, 192, 190, 0.2);
}

.accordion-body {
    padding: 1.5rem;
    background-color: var(--surface-color);
}

/* Avatar */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    box-shadow: var(--shadow-sm);
}

.avatar-lg {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
}

/* Notification Toast */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.toast-custom {
    min-width: 300px;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1.25rem;
    border-left: 4px solid;
    animation: slideIn 0.3s ease-out;
}

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

.toast-success { border-left-color: #28a745; }
.toast-error { border-left-color: #dc3545; }
.toast-warning { border-left-color: #ffc107; }
.toast-info { border-left-color: #17a2b8; }

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

.toast-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* List Group */
.list-group-item {
    border: none;
    border-left: 3px solid transparent;
    padding: 1rem 1.25rem;
    transition: all var(--transition-fast);
    background-color: var(--surface-color);
    margin-bottom: 0.5rem;
    border-radius: var(--radius-md);
}

.list-group-item:hover {
    border-left-color: var(--primary-color);
    background-color: rgba(91, 192, 190, 0.05);
    transform: translateX(4px);
}

.list-group-item.active {
    border-left-color: var(--primary-color);
    background: linear-gradient(90deg, rgba(91, 192, 190, 0.1) 0%, transparent 100%);
    color: var(--text-primary);
}