/**
 * =============================================
 * Core Components CSS
 * /core/assets/css/components.css
 * =============================================
 * 
 * Reusable components for public-facing sites:
 * - Badges & labels
 * - Alerts & messages
 * - Cards
 * - Info boxes
 * - List groups
 * - Avatars
 * - Progress bars
 * - Modals
 * - Tabs
 * - Accordions
 */

/* ==============================================
   BADGES & LABELS
   ============================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border-radius: var(--radius-full);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* Badge variants */
.badge-primary {
    background: var(--primary-color);
    color: var(--white);
}

.badge-secondary {
    background: var(--secondary-color);
    color: var(--white);
}

.badge-success {
    background: var(--success-color);
    color: var(--white);
}

.badge-danger {
    background: var(--error-color);
    color: var(--white);
}

.badge-warning {
    background: var(--warning-color);
    color: var(--white);
}

.badge-info {
    background: var(--info-color);
    color: var(--white);
}

.badge-light {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.badge-dark {
    background: var(--text-primary);
    color: var(--white);
}

/* Badge sizes */
.badge-sm {
    padding: 2px 6px;
    font-size: 10px;
}

.badge-lg {
    padding: 6px 12px;
    font-size: var(--font-size-sm);
}

/* Badge with dot indicator */
.badge-dot {
    padding-left: 20px;
    position: relative;
}

.badge-dot::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ==============================================
   ALERTS & MESSAGES
   ============================================== */
.alert {
    position: relative;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert p {
    margin: 0;
}

.alert-icon {
    flex-shrink: 0;
    font-size: 20px;
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

/* Alert variants */
.alert-success {
    background: var(--success-bg);
    color: #065f46;
    border-color: var(--success-border);
}

.alert-danger,
.alert-error {
    background: var(--error-bg);
    color: #991b1b;
    border-color: var(--error-border);
}

.alert-warning {
    background: var(--warning-bg);
    color: #92400e;
    border-color: var(--warning-border);
}

.alert-info {
    background: var(--info-bg);
    color: #1e40af;
    border-color: var(--info-border);
}

/* Dismissible alert */
.alert-dismissible {
    padding-right: 50px;
}

.alert-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    color: inherit;
    opacity: 0.6;
    transition: opacity var(--transition-base);
    font-size: 20px;
    line-height: 1;
}

.alert-close:hover {
    opacity: 1;
}

/* Alert with border on left */
.alert-border {
    border-left-width: 4px;
}

/* ==============================================
   CARDS
   ============================================== */
.card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin: 0;
    color: var(--text-primary);
}

.card-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* Card image */
.card-img-top {
    width: 100%;
    height: auto;
    display: block;
}

.card-img-overlay {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.5);
    color: var(--white);
}

/* Card variants */
.card-bordered {
    border-width: 2px;
}

.card-hoverable {
    cursor: pointer;
}

.card-hoverable:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-interactive {
    transition: all var(--transition-base);
}

.card-interactive:hover {
    border-color: var(--primary-color);
}

/* Horizontal card */
.card-horizontal {
    display: flex;
    flex-direction: row;
}

.card-horizontal .card-img-top {
    width: 200px;
    height: auto;
    object-fit: cover;
}

/* ==============================================
   INFO BOXES (Styled containers)
   ============================================== */
.info-box,
.warning-box,
.success-box,
.danger-box {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    margin-bottom: var(--spacing-lg);
}

.info-box {
    background: var(--info-bg);
    border-left-color: var(--info-color);
    color: #1e40af;
}

.warning-box {
    background: var(--warning-bg);
    border-left-color: var(--warning-color);
    color: #92400e;
}

.success-box {
    background: var(--success-bg);
    border-left-color: var(--success-color);
    color: #065f46;
}

.danger-box {
    background: var(--error-bg);
    border-left-color: var(--error-color);
    color: #991b1b;
}

.info-box h3,
.info-box h4,
.warning-box h3,
.warning-box h4,
.success-box h3,
.success-box h4,
.danger-box h3,
.danger-box h4 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

/* ==============================================
   LIST GROUPS
   ============================================== */
.list-group {
    list-style: none;
    padding: 0;
    margin: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.list-group-item {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background var(--transition-base);
}

.list-group-item:last-child {
    border-bottom: none;
}

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

.list-group-item-action {
    cursor: pointer;
}

.list-group-item-action:hover {
    background: var(--bg-secondary);
}

.list-group-item.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Flush list (no borders on sides) */
.list-group-flush {
    border-left: 0;
    border-right: 0;
    border-radius: 0;
}

.list-group-flush .list-group-item {
    border-left: 0;
    border-right: 0;
}

/* ==============================================
   AVATARS
   ============================================== */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--primary-color);
    color: var(--white);
    font-weight: var(--font-weight-semibold);
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Avatar sizes */
.avatar-xs {
    width: 24px;
    height: 24px;
    font-size: var(--font-size-xs);
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: var(--font-size-xl);
}

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: var(--font-size-2xl);
}

/* Avatar group */
.avatar-group {
    display: inline-flex;
    align-items: center;
}

.avatar-group .avatar {
    margin-left: -10px;
    border: 2px solid var(--white);
}

.avatar-group .avatar:first-child {
    margin-left: 0;
}

/* ==============================================
   PROGRESS BARS
   ============================================== */
.progress {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary-color);
    transition: width var(--transition-slow);
    border-radius: var(--radius-full);
}

/* Progress variants */
.progress-bar-success {
    background: var(--success-color);
}

.progress-bar-danger {
    background: var(--error-color);
}

.progress-bar-warning {
    background: var(--warning-color);
}

.progress-bar-info {
    background: var(--info-color);
}

/* Progress sizes */
.progress-sm {
    height: 4px;
}

.progress-lg {
    height: 16px;
}

/* Animated progress */
.progress-bar-animated {
    background-size: 20px 20px;
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    animation: progress-animation 1s linear infinite;
}

@keyframes progress-animation {
    0% { background-position: 0 0; }
    100% { background-position: 20px 20px; }
}

/* ==============================================
   MODALS
   ============================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

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

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* Modal sizes */
.modal-sm {
    max-width: 300px;
}

.modal-lg {
    max-width: 800px;
}

.modal-xl {
    max-width: 1140px;
}

/* ==============================================
   TABS
   ============================================== */
.tabs {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.tab-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-md);
}

.tab-item {
    margin: 0;
}

.tab-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-base);
    font-weight: var(--font-weight-medium);
}

.tab-link:hover {
    color: var(--primary-color);
}

.tab-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ==============================================
   ACCORDIONS
   ============================================== */
.accordion {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--white);
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: var(--font-weight-medium);
    transition: background var(--transition-base);
}

.accordion-header:hover {
    background: var(--bg-secondary);
}

.accordion-icon {
    transition: transform var(--transition-base);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-item.active .accordion-body {
    max-height: 1000px;
}

.accordion-content {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
}

/* ==============================================
   PAGINATION
   ============================================== */
.pagination {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    padding: 0;
    margin: 0;
}

.pagination-item {
    margin: 0;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-md);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-base);
}

.pagination-link:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination-link.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.pagination-link:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==============================================
   TOOLTIPS
   ============================================== */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip-text {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-primary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    z-index: var(--z-tooltip);
    transition: all var(--transition-base);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

.tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--text-primary);
}

/* ==============================================
   EMPTY STATE
   ============================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.3;
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-sm) 0;
}

.empty-state-description {
    font-size: var(--font-size-base);
    color: var(--text-muted);
    margin: 0 0 var(--spacing-lg) 0;
}

.empty-state .btn {
    margin-top: var(--spacing-sm);
}

/* Empty state variants */
.empty-state-sm {
    padding: var(--spacing-xl);
}

.empty-state-sm .empty-state-icon {
    font-size: 48px;
}

.empty-state-sm .empty-state-title {
    font-size: var(--font-size-lg);
}

.empty-state-lg {
    padding: var(--spacing-2xl) var(--spacing-xl);
}

.empty-state-lg .empty-state-icon {
    font-size: 80px;
}

.empty-state-lg .empty-state-title {
    font-size: var(--font-size-2xl);
}


/* ==============================================
   RESPONSIVE COMPONENTS
   ============================================== */
@media (max-width: 768px) {
    .card-horizontal {
        flex-direction: column;
    }
    
    .card-horizontal .card-img-top {
        width: 100%;
        height: 200px;
    }
    
    .modal {
        width: 95%;
    }
    
    .tab-list {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .tab-link {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .alert {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: var(--spacing-md);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-md);
    }
}