/* Enhanced Campaign Cards Styles */
.campaigns-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.campaigns-header {
    text-align: center;
    margin-bottom: 3rem;
}

.campaigns-header h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.campaigns-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Filter Controls */
.campaigns-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid #e0e0e0;
    background: white;
    color: #666;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn:hover {
    border-color: #FFB90F;
    color: #333;
}

.filter-btn.active {
    background: #FFB90F;
    border-color: #FFB90F;
    color: black;
}

/* Search Bar */
.campaigns-search {
    max-width: 500px;
    margin: 0 auto 2rem auto;
    position: relative;
}

.campaigns-search input {
    width: 100%;
    padding: 1rem 3rem 1rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.campaigns-search input:focus {
    border-color: #FFB90F;
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 185, 15, 0.1);
}

.campaigns-search i {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

/* Campaigns Grid */
.campaigns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.campaign-card {
    position: relative;
    height: 500px;
    perspective: 1500px;
    cursor: pointer;
    border-radius: 15px;
    overflow: hidden;
}

.campaign-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.campaign-card:hover .campaign-card-inner {
    transform: rotateY(180deg);
}

.campaign-front,
.campaign-back {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 15px;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    border: 8px solid #FFB90F;
    overflow: hidden;
}

.campaign-front {
    background: white;
}

.campaign-back {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: rotateY(180deg);
    position: relative;
}

.campaign-back::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 225, 54, 0.85);
    z-index: 1;
}

.campaign-image {
    width: 100%;
    height: 250px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.campaign-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.campaign-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(220, 53, 69, 0.9);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
}

.campaign-content {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    background: white;
}

.campaign-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.campaign-excerpt {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.campaign-dates {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.campaign-dates i {
    color: #FFB90F;
}

.campaign-actions {
    margin-top: auto;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: #FFB90F;
    color: black;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-primary:hover {
    background: #e6a700;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 185, 15, 0.3);
    text-decoration: none;
    color: black;
}

/* Campaign Back Side */
.campaign-back-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    color: #333;
}

.back-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #333;
}

.back-description {
    font-size: 1.1rem;
    line-height: 1.5;
    margin-bottom: 2rem;
    color: #444;
}

.back-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: white;
    color: #333;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    border: 2px solid #333;
    transition: all 0.3s ease;
    margin: 0 auto;
}

.back-cta:hover {
    background: #333;
    color: white;
    transform: translateY(-2px);
    text-decoration: none;
}

/* Campaign Status Indicators */
.campaign-card.inactive .campaign-image::after {
    content: 'Süresi Dolmuş';
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #dc3545;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Empty State */
.empty-state {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    text-align: center;
}

.empty-content {
    max-width: 500px;
    padding: 3rem 2rem;
}

.empty-content i {
    font-size: 4rem;
    color: #ccc;
    margin-bottom: 1.5rem;
}

.empty-content h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.empty-content p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Error State */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    text-align: center;
    padding: 2rem;
}

.error-state i {
    font-size: 4rem;
    color: #dc3545;
    margin-bottom: 1rem;
}

.error-state h3 {
    color: #333;
    margin-bottom: 1rem;
}

.error-state p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination-btn {
    padding: 0.75rem 1rem;
    border: 2px solid #e0e0e0;
    background: white;
    color: #666;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination-btn:hover:not(.disabled) {
    border-color: #FFB90F;
    color: #333;
}

.pagination-btn.active {
    background: #FFB90F;
    border-color: #FFB90F;
    color: black;
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .campaigns-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
    }
    
    .campaign-card {
        height: 480px;
    }
    
    .campaign-image {
        height: 220px;
    }
}

@media (max-width: 768px) {
    .campaigns-container {
        padding: 1.5rem 1rem;
    }
    
    .campaigns-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .campaigns-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1rem;
    }
    
    .campaign-card {
        height: 450px;
    }
    
    .campaign-image {
        height: 200px;
    }
    
    .campaign-content {
        padding: 1.25rem;
    }
    
    .campaign-back-content {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .campaigns-grid {
        grid-template-columns: 1fr;
    }
    
    .campaign-card {
        height: 420px;
    }
    
    .campaign-image {
        height: 180px;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .pagination-btn {
        padding: 0.5rem 0.75rem;
        min-width: 40px;
        height: 40px;
    }
}

/* Accessibility */
.campaign-card:focus-visible {
    outline: 3px solid #FFB90F;
    outline-offset: 2px;
}

.filter-btn:focus-visible,
.pagination-btn:focus-visible {
    outline: 2px solid #FFB90F;
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
    .campaign-card {
        border: 3px solid #000;
    }
    
    .filter-btn,
    .pagination-btn {
        border-width: 3px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .campaign-card-inner,
    .campaign-image img,
    .btn-primary,
    .back-cta {
        transition: none;
    }
    
    .campaign-card:hover .campaign-card-inner {
        transform: none;
    }
    
    .btn-primary:hover,
    .back-cta:hover {
        transform: none;
    }
}

/* Print Styles */
@media print {
    .campaigns-filters,
    .pagination,
    .campaign-actions {
        display: none;
    }
    
    .campaigns-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .campaign-card {
        height: auto;
        border: 1px solid #ccc;
    }
    
    .campaign-card-inner {
        transform: none !important;
    }
    
    .campaign-back {
        display: none;
    }
}