/* =====================================================
   KİTAP DETAY SAYFASI - MOBİL UYUMLU
===================================================== */

.container-detail {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.container-full {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
    overflow: hidden; /* Taşmaları engelle */
}

/* =====================================================
   BREADCRUMB
===================================================== */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
    font-size: 14px;
    padding: 16px 20px;
    background: #f8f9fa;
    border-radius: 12px;
}

.breadcrumb a {
    color: #6c757d;
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb a:hover {
    color: #1e9972;
}

.breadcrumb-separator {
    color: #cbd3da;
}

.breadcrumb-current {
    color: #1a1a1a;
    font-weight: 600;
}

/* =====================================================
   KİTAP DETAY KARTI
===================================================== */
.kitap-detail-card {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    background: white;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    margin-bottom: 60px;
}

/* =====================================================
   KİTAP KAPAK RESMİ
===================================================== */
.kitap-detail-image {
    position: relative;
}

.kitap-detail-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
    display: block;
    margin: 0 auto;
}

.no-image-placeholder {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 2/3;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cbd3da;
    margin: 0 auto;
}

/* =====================================================
   KİTAP İÇERİK
===================================================== */
.kitap-detail-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.kitap-detail-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.kitap-detail-title {
    flex: 1;
    margin: 0;
    font-size: 32px;
    font-weight: 800;
    color: #1a1a1a;
    line-height: 1.3;
}

.kitap-detail-year {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    color: #666;
    white-space: nowrap;
}

/* =====================================================
   YAZAR BİLGİSİ
===================================================== */
.author-info {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, #f8fbff 0%, #f0f6ff 100%);
    border-radius: 16px;
    border: 2px solid rgba(30, 153, 114, 0.1);
}

.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.author-avatar-placeholder {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1e9972 0%, #c2e3b5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 24px;
    border: 3px solid white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.author-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.author-label {
    font-size: 12px;
    color: #6c757d;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.author-name {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    text-decoration: none;
    transition: color 0.2s ease;
}

a.author-name:hover {
    color: #1e9972;
}

/* =====================================================
   AÇIKLAMA
===================================================== */
.divider {
    height: 2px;
    background: linear-gradient(90deg, #e9ecef 0%, #f8f9fa 50%, #e9ecef 100%);
    margin: 8px 0;
}

.kitap-detail-description {
    font-size: 16px;
    line-height: 1.8;
    color: #495057;
}

/* =====================================================
   META BİLGİLER
===================================================== */
.kitap-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.meta-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #e9ecef;
}

.meta-item svg {
    color: #1e9972;
    flex-shrink: 0;
    margin-top: 2px;
}

.meta-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 12px;
    color: #6c757d;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.meta-value {
    font-size: 15px;
    color: #1a1a1a;
    font-weight: 600;
}

/* =====================================================
   FİYAT VE SATIN AL BÖLÜMÜ
===================================================== */
.kitap-purchase-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-top: 24px;
    border-top: 2px solid #f0f0f0;
    margin-top: auto;
}

.kitap-price-box {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.price-label {
    font-size: 13px;
    color: #6c757d;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.price-value {
    font-size: 36px;
    font-weight: 900;
    background: linear-gradient(135deg, #1e9972 0%, #c2e3b5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.kitap-actions-box {
    display: flex;
    gap: 12px;
}

.btn-purchase {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 32px;
    background: linear-gradient(135deg, #52ffc8 0%, #daf5cf 100%);
    color: #1a4807;
    border: none;
    border-radius: 14px;
    font-weight: 800;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(82, 255, 200, 0.3);
}

.btn-purchase:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(82, 255, 200, 0.4);
}

.btn-login-required {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-login-required:hover {
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-unavailable {
    background: #e9ecef;
    color: #6c757d;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-unavailable:hover {
    transform: none;
    box-shadow: none;
}

/* =====================================================
   RESPONSIVE - TABLET
===================================================== */
@media (max-width: 1024px) {
    .container-detail {
        padding: 30px 16px;
    }
    
    .container-full {
        padding: 0 16px;
    }
    
    .kitap-detail-card {
        gap: 32px;
        padding: 32px;
    }
    
    .kitap-detail-title {
        font-size: 28px;
    }
}

/* =====================================================
   RESPONSIVE - MOBİL
===================================================== */
@media (max-width: 768px) {
    .container-detail {
        padding: 20px 16px;
    }
    
    .container-full {
        padding: 0 12px;
    }
    
    .breadcrumb {
        font-size: 13px;
        padding: 12px 16px;
    }
    
    .kitap-detail-card {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 24px;
        margin-bottom: 40px;
    }
    
    .kitap-detail-image img,
    .no-image-placeholder {
        max-width: 100%;
    }
    
    .kitap-detail-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .kitap-detail-title {
        font-size: 24px;
    }
    
    .kitap-detail-year {
        align-self: flex-start;
    }
    
    .author-info {
        padding: 16px;
    }
    
    .author-avatar,
    .author-avatar-placeholder {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    .author-name {
        font-size: 16px;
    }
    
    .kitap-detail-description {
        font-size: 15px;
    }
    
    .kitap-meta-grid {
        grid-template-columns: 1fr;
    }
    
    .price-value {
        font-size: 32px;
    }
    
    .btn-purchase {
        padding: 16px 24px;
        font-size: 15px;
    }
}

/* =====================================================
   RESPONSIVE - KÜÇÜK MOBİL
===================================================== */
@media (max-width: 480px) {
    .container-full {
        padding: 0 8px;
    }
    
    .kitap-detail-card {
        padding: 20px;
        border-radius: 16px;
    }
    
    .kitap-detail-title {
        font-size: 22px;
    }
    
    .kitap-detail-description {
        font-size: 14px;
    }
    
    .price-value {
        font-size: 28px;
    }
    
    .btn-purchase {
        width: 100%;
        padding: 16px;
        font-size: 14px;
    }
}