/* ==========================================================================
   Components - Cards, Tables, Breadcrumb, Forms, Badges
   ========================================================================== */

/* Enhanced Card Variations */
.card__content {
    position: relative;
}

.card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.card__meta {
    font-size: var(--fs-sm);
    color: var(--c-muted);
    margin-bottom: var(--space-sm);
}

.card__actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--c-border);
}

.card--highlight {
    border-left: 4px solid var(--c-primary);
}

.card--accent {
    border-left: 4px solid var(--c-accent);
}

.card--compact {
    padding: var(--space-lg);
}

.card--compact .card__title {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-sm);
}

/* Enhanced Table Components */
.table-container {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--c-border);
}

.table--striped tbody tr:nth-child(even) {
    background: rgba(245, 247, 250, 0.5);
}

.table--bordered th,
.table--bordered td {
    border-right: 1px solid var(--c-border);
}

.table--bordered th:last-child,
.table--bordered td:last-child {
    border-right: none;
}

.table__sort-button {
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    font-weight: inherit;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0;
    transition: color var(--transition-fast);
}

.table__sort-button:hover {
    color: var(--c-primary);
}

.table__sort-icon {
    width: 12px;
    height: 12px;
    opacity: 0.5;
}

.table__sort-button--active .table__sort-icon {
    opacity: 1;
    color: var(--c-primary);
}

/* Responsive Table */
@media (max-width: 768px) {
    .table--responsive {
        border: none;
    }
    
    .table--responsive thead {
        display: none;
    }
    
    .table--responsive tbody tr {
        display: block;
        border: 1px solid var(--c-border);
        border-radius: 8px;
        margin-bottom: var(--space-md);
        padding: var(--space-md);
        background: var(--c-white);
    }
    
    .table--responsive tbody tr:hover {
        background: var(--c-white);
    }
    
    .table--responsive td {
        display: block;
        border: none;
        padding: var(--space-xs) 0;
        text-align: left;
    }
    
    .table--responsive td::before {
        content: attr(data-label) ': ';
        font-weight: 600;
        color: var(--c-muted);
        display: inline-block;
        min-width: 100px;
    }
}

/* Breadcrumb */
.breadcrumb {
    margin-bottom: var(--space-xl);
}

.breadcrumb__list {
    display: flex;
    align-items: center;
    list-style: none;
    font-size: var(--fs-sm);
}

.breadcrumb__item {
    display: flex;
    align-items: center;
}

.breadcrumb__item:not(:last-child)::after {
    content: '/';
    margin: 0 var(--space-sm);
    color: var(--c-muted);
}

.breadcrumb__link {
    color: var(--c-muted);
    transition: color var(--transition-fast);
}

.breadcrumb__link:hover,
.breadcrumb__link:focus {
    color: var(--c-primary);
}

.breadcrumb__current {
    color: var(--c-text);
    font-weight: 500;
}

/* Enhanced Badge System */
.badge--large {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--fs-base);
}

.badge--outline {
    background: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-text);
}

.badge--outline.badge--primary {
    border-color: var(--c-primary);
    color: var(--c-primary);
}

.badge--outline.badge--accent {
    border-color: var(--c-accent);
    color: var(--c-accent);
}

.badge--success {
    background: #22c55e;
    color: var(--c-white);
}

.badge--warning {
    background: #f59e0b;
    color: var(--c-white);
}

.badge--error {
    background: #ef4444;
    color: var(--c-white);
}

/* Form Components */
.form {
    max-width: 600px;
}

.form__group {
    margin-bottom: var(--space-lg);
}

.form__label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--c-text);
}

.form__label--required::after {
    content: ' *';
    color: #ef4444;
}

.form__input,
.form__textarea,
.form__select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    font-size: var(--fs-base);
    transition: border-color var(--transition-fast);
    background: var(--c-white);
    min-height: 44px; /* Accessibility: minimum touch target */
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
    border-color: var(--c-primary);
    outline: none;
    box-shadow: var(--focus-ring);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__help {
    margin-top: var(--space-xs);
    font-size: var(--fs-sm);
    color: var(--c-muted);
}

.form__error {
    margin-top: var(--space-xs);
    font-size: var(--fs-sm);
    color: #ef4444;
}

.form__input--error,
.form__textarea--error,
.form__select--error {
    border-color: #ef4444;
}

.form__input--error:focus,
.form__textarea--error:focus,
.form__select--error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.3);
}

.form__checkbox-group,
.form__radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form__checkbox,
.form__radio {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.form__checkbox input,
.form__radio input {
    margin: 0;
    margin-top: 2px; /* Align with first line of text */
}

.form__checkbox label,
.form__radio label {
    margin: 0;
    font-weight: normal;
    cursor: pointer;
}

.form__actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-start;
    margin-top: var(--space-2xl);
}

@media (max-width: 480px) {
    .form__actions {
        flex-direction: column;
    }
    
    .form__actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Tag/Label System */
.tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--fs-sm);
    background: var(--c-bg);
    color: var(--c-text);
    border-radius: 16px;
    font-weight: 500;
}

.tag--primary {
    background: rgba(0, 85, 164, 0.1);
    color: var(--c-primary);
}

.tag--accent {
    background: rgba(255, 111, 0, 0.1);
    color: var(--c-accent);
}

.tag--clickable {
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tag--clickable:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(26, 26, 26, 0.1);
}

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

.progress__bar {
    height: 100%;
    background: var(--c-primary);
    transition: width var(--transition-normal);
}

.progress--accent .progress__bar {
    background: var(--c-accent);
}

/* Alert/Notification */
.alert {
    padding: var(--space-md);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    margin-bottom: var(--space-lg);
}

.alert--info {
    background: rgba(0, 85, 164, 0.1);
    border-color: var(--c-primary);
    color: var(--c-primary);
}

.alert--success {
    background: rgba(34, 197, 94, 0.1);
    border-color: #22c55e;
    color: #166534;
}

.alert--warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: #f59e0b;
    color: #92400e;
}

.alert--error {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
    color: #dc2626;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--c-border);
    border-radius: 50%;
    border-top-color: var(--c-primary);
    animation: spin 1s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
    .spinner {
        animation: none;
        border-top-color: var(--c-primary);
    }
}

/* Media Queries for Enhanced Accessibility */
@media (prefers-contrast: high) {
    .form__input,
    .form__textarea,
    .form__select {
        border-width: 2px;
    }
    
    .form__input:focus,
    .form__textarea:focus,
    .form__select:focus {
        outline: 3px solid;
        outline-offset: 2px;
    }
    
    .badge,
    .tag {
        border: 1px solid currentColor;
    }
}

/* Masonry Gallery */
.masonry-grid {
    column-count: 3;
    column-gap: var(--space-lg);
}

@media (max-width: 968px) {
    .masonry-grid { column-count: 2; }
}

@media (max-width: 600px) {
    .masonry-grid { column-count: 1; }
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: var(--space-lg);
}

.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    border: 1px solid var(--c-border);
}