/* Premium Resim Yükleme Alanı */
.image-uploader {
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    cursor: pointer;
    background-color: var(--light-color);
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
}

.image-uploader:hover {
    border-color: var(--accent-color);
    background-color: #e9ecef;
}

.image-uploader.drag-over {
    border-color: var(--success-color);
    background-color: #e2f5e7;
    transform: scale(1.02);
}

.image-uploader .uploader-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    transition: all var(--transition-speed) ease;
}

.image-uploader:hover .uploader-icon {
    transform: scale(1.1);
}

.image-uploader .uploader-text {
    font-size: 1.2rem;
    color: var(--dark-color);
    font-weight: 600;
}

.image-uploader .uploader-hint {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.image-uploader input[type="file"] {
    display: none;
}

#image-preview {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.preview-item {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed) ease;
}

.preview-item:hover {
    transform: translateY(-5px);
}

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

.preview-item .remove-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
    background-color: var(--danger-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.preview-item:hover .remove-btn {
    opacity: 1;
}

/* Modern çark kartları */
.wheel-card {
    border-radius: 18px;
    box-shadow: 0 4px 18px 0 rgba(0,0,0,0.08), 0 1.5px 4px 0 rgba(0,0,0,0.04);
    padding: 22px 18px 18px 18px;
    margin-bottom: 18px;
    transition: transform 0.15s, box-shadow 0.15s;
    height: 100%;
}
.wheel-card:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 8px 32px 0 rgba(0,0,0,0.13), 0 2px 8px 0 rgba(0,0,0,0.07);
}
.wheel-card .card-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    opacity: 0.92;
}
.wheel-card h2 {
    font-size: 2.1rem;
    font-weight: 800;
    margin-bottom: 0.2rem;
    letter-spacing: -1px;
}
@media (max-width: 991px) {
    .wheel-card { margin-bottom: 16px; }
}
@media (max-width: 767px) {
    .wheel-card { padding: 16px 10px 12px 10px; }
    .wheel-card h2 { font-size: 1.4rem; }
    .wheel-card .card-title { font-size: 0.98rem; }
}

/* Teknik Özellik Stilleri */
.technical-specs {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.spec-category {
    margin-bottom: 2rem;
}

.spec-category-title {
    color: #2c3e50;
    font-weight: 600;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.spec-category-title i {
    color: #3498db;
}

.spec-items {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
}

.spec-item {
    border-bottom: 1px solid #e9ecef;
    transition: background-color 0.2s ease;
}

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

.spec-item:hover {
    background-color: #e9ecef;
}

.spec-label {
    color: #495057;
    font-weight: 600;
    min-width: 150px;
}

.spec-value {
    color: #6c757d;
    text-align: right;
    word-break: break-word;
}

/* Teknik özellik form stilleri */
.technical-specs .card {
    border: 1px solid #e9ecef;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.technical-specs .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: 8px 8px 0 0;
    padding: 0.75rem 1rem;
}

.technical-specs .card-header h6 {
    margin: 0;
    font-weight: 600;
}

.technical-specs .card-body {
    padding: 1.5rem;
}

.technical-specs .form-label {
    color: #495057;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.technical-specs .form-control {
    border: 1px solid #ced4da;
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.technical-specs .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.technical-specs .form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

/* Responsive tasarım */
@media (max-width: 768px) {
    .spec-item {
        flex-direction: column;
        align-items: flex-start !important;
    }
    
    .spec-label {
        min-width: auto;
        margin-bottom: 0.5rem;
    }
    
    .spec-value {
        text-align: left;
    }
    
    .technical-specs .card-body {
        padding: 1rem;
    }
}

/* Modern Teknik Özellik Stilleri - Product Detail Sayfası */
.modern-tech-specs-container {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    position: relative;
}

.modern-tech-specs-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.tech-specs-header {
    display: flex;
    align-items: center;
    padding: 2rem 2rem 1.5rem 2rem;
    position: relative;
    z-index: 2;
}

.tech-specs-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.tech-specs-icon i {
    font-size: 1.8rem;
    color: white;
}

.tech-specs-title h5 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.tech-specs-content {
    background: white;
    padding: 2rem;
    position: relative;
    z-index: 2;
}

.modern-technical-specs {
    display: grid;
    gap: 1.5rem;
}

.spec-category-modern {
    background: #f8f9fa;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.spec-category-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.spec-category-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e9ecef;
}

.spec-category-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
}

.spec-category-icon i {
    color: white;
    font-size: 1rem;
}

.spec-category-title-modern {
    color: #2c3e50;
    font-weight: 600;
    font-size: 1.1rem;
    margin: 0;
}

.spec-items-modern {
    padding: 1.5rem;
}

.spec-item-modern {
    background: white;
    border-radius: 12px;
    margin-bottom: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #f1f3f4;
}

.spec-item-modern:last-child {
    margin-bottom: 0;
}

.spec-item-modern:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.spec-item-content {
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.spec-label-modern {
    color: #495057;
    font-weight: 600;
    font-size: 0.95rem;
    flex: 1;
}

.spec-value-modern {
    color: #6c757d;
    font-weight: 500;
    text-align: right;
    max-width: 60%;
    word-break: break-word;
    background: #f8f9fa;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    border-left: 3px solid #667eea;
}

.empty-specs {
    padding: 3rem 2rem;
    text-align: center;
}

.empty-specs i {
    color: #dee2e6;
    margin-bottom: 1rem;
}

/* Responsive Modern Teknik Özellikler */
@media (max-width: 768px) {
    .tech-specs-header {
        padding: 1.5rem 1.5rem 1rem 1.5rem;
        flex-direction: column;
        text-align: center;
    }
    
    .tech-specs-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .tech-specs-content {
        padding: 1.5rem;
    }
    
    .spec-item-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .spec-value-modern {
        text-align: left;
        max-width: 100%;
        width: 100%;
    }
    
    .spec-category-header {
        padding: 1rem 1.25rem;
    }
    
    .spec-items-modern {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .modern-tech-specs-container {
        border-radius: 15px;
    }
    
    .tech-specs-header {
        padding: 1.25rem 1.25rem 0.75rem 1.25rem;
    }
    
    .tech-specs-content {
        padding: 1.25rem;
    }
    
    .tech-specs-icon {
        width: 50px;
        height: 50px;
    }
    
    .tech-specs-icon i {
        font-size: 1.5rem;
    }
    
    .tech-specs-title h5 {
        font-size: 1.25rem;
    }
}