/* Card Components */

.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Card Header */
.card-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
}

.card-header .card-icon {
    font-size: var(--font-size-xl);
    color: var(--primary-blue);
}

/* Card Body */
.card-body {
    padding: var(--space-6);
}

.card-body p {
    margin-bottom: var(--space-4);
    color: var(--gray-600);
    line-height: var(--line-height-relaxed);
}

.card-body p:last-child {
    margin-bottom: 0;
}

/* Card Footer */
.card-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
}

.card-footer .btn {
    min-width: 100px;
}

/* Card Variants */
.card-primary {
    border-left: 4px solid var(--primary-blue);
}

.card-primary .card-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    color: var(--white);
    border-bottom: none;
}

.card-primary .card-header h3 {
    color: var(--white);
}

.card-primary .card-header .card-icon {
    color: var(--white);
}

.card-success {
    border-left: 4px solid var(--success-green);
}

.card-success .card-header {
    background: var(--success-green);
    color: var(--white);
    border-bottom: none;
}

.card-success .card-header h3 {
    color: var(--white);
}

.card-success .card-header .card-icon {
    color: var(--white);
}

.card-warning {
    border-left: 4px solid var(--warning-orange);
}

.card-warning .card-header {
    background: var(--warning-orange);
    color: var(--white);
    border-bottom: none;
}

.card-warning .card-header h3 {
    color: var(--white);
}

.card-warning .card-header .card-icon {
    color: var(--white);
}

.card-error {
    border-left: 4px solid var(--error-red);
}

.card-error .card-header {
    background: var(--error-red);
    color: var(--white);
    border-bottom: none;
}

.card-error .card-header h3 {
    color: var(--white);
}

.card-error .card-header .card-icon {
    color: var(--white);
}

/* Card Sizes */
.card-sm {
    max-width: 300px;
}

.card-sm .card-header,
.card-sm .card-body,
.card-sm .card-footer {
    padding: var(--space-4);
}

.card-md {
    max-width: 400px;
}

.card-lg {
    max-width: 600px;
}

.card-xl {
    max-width: 800px;
}

/* Card Image */
.card-image {
    position: relative;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(139, 92, 246, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card:hover .card-image-overlay {
    opacity: 1;
}

.card-image-overlay .btn {
    background: var(--white);
    color: var(--primary-blue);
}

/* Card Stats */
.card-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.card-stat {
    text-align: center;
}

.card-stat-number {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-blue);
    display: block;
}

.card-stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-top: var(--space-1);
}

/* Card Actions */
.card-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.card-actions .btn {
    flex: 1;
    min-width: auto;
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
}

/* Card Loading */
.card-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    color: var(--gray-500);
}

.card-loading .spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--gray-200);
    border-top: 2px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: var(--space-3);
}

/* Card Empty State */
.card-empty {
    text-align: center;
    padding: var(--space-8);
    color: var(--gray-500);
}

.card-empty .icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.card-empty h3 {
    margin-bottom: var(--space-2);
    color: var(--gray-600);
}

.card-empty p {
    margin-bottom: var(--space-4);
    color: var(--gray-500);
}

/* Card Grid */
.card-grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.card-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.card-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

/* Card List */
.card-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.card-list .card {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.card-list .card-image {
    width: 120px;
    height: 120px;
    flex-shrink: 0;
}

.card-list .card-image img {
    height: 100%;
    object-fit: cover;
}

.card-list .card-body {
    flex: 1;
    padding: var(--space-4);
}

.card-list .card-actions {
    margin-top: 0;
    margin-left: var(--space-4);
}

/* Card Interactive */
.card-interactive {
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.card-interactive:active {
    transform: translateY(-2px);
}

/* Card Compact */
.card-compact .card-header,
.card-compact .card-body,
.card-compact .card-footer {
    padding: var(--space-4);
}

.card-compact .card-header h3 {
    font-size: var(--font-size-base);
}

/* Card Bordered */
.card-bordered {
    border: 2px solid var(--gray-200);
    box-shadow: none;
}

.card-bordered:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Card Shadowless */
.card-shadowless {
    box-shadow: none;
    border: 1px solid var(--gray-200);
}

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

/* Responsive Cards */
@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .card-list .card {
        flex-direction: column;
        text-align: center;
    }
    
    .card-list .card-image {
        width: 100%;
        height: 200px;
    }
    
    .card-list .card-actions {
        margin-left: 0;
        margin-top: var(--space-4);
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: var(--space-4);
    }
    
    .card-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
        padding: var(--space-4);
    }
}

@media (max-width: 480px) {
    .card-header,
    .card-body,
    .card-footer {
        padding: var(--space-3);
    }
    
    .card-stats {
        grid-template-columns: 1fr;
    }
    
    .card-actions {
        flex-direction: column;
    }
    
    .card-actions .btn {
        width: 100%;
    }
}