/* Ölwegweiser specific styles */

/* Hero section enhancements */
.hero-oil-guide {
    position: relative;
}

.hero-oil-guide::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(184, 50, 50, 0.05);
    filter: blur(60px);
    z-index: 0;
}

.hero-gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #e5e7eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-card {
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.oil-finder-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 2rem 0;
    max-width: 1200px;
    margin: 0 auto;
}

.oil-finder-form {
    flex: 1;
    min-width: 300px;
    background: #f5f5f5;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.results-container {
    flex: 2;
    min-width: 300px;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

#findOilBtn {
    background-color: #0066cc;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s;
    width: 100%;
}

#findOilBtn:hover {
    background-color: #004c99;
}

#findOilBtn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.oil-results {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.oil-card {
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.oil-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.oil-card-image {
    height: 180px;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.oil-card-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.oil-card-content {
    padding: 1.5rem;
}

.oil-card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.oil-card-specs {
    margin-bottom: 1rem;
}

.oil-card-spec {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.oil-card-spec-label {
    font-weight: 600;
    color: #666;
}

.oil-card-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.oil-card-action {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.oil-card-button {
    background-color: #0066cc;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.oil-card-button:hover {
    background-color: #004c99;
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: #666;
}

/* Loading indicator */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0066cc;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* HSN/TSN specific styles */
.hsn-tsn-section {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    margin: 1rem 0;
}

.hsn-tsn-section:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 85, 204, 0.1);
}

.hsn-tsn-section h3 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    color: #374151;
}

.hsn-tsn-section .grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: end;
}

.hsn-input, .tsn-input {
    font-family: 'Courier New', monospace;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.15em;
    text-align: center;
    text-transform: uppercase;
    height: 3.5rem;
    border: 2px solid #d1d5db;
    border-radius: 8px;
    background-color: #ffffff;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.hsn-input:focus, .tsn-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 85, 204, 0.1), 0 4px 12px rgba(0, 85, 204, 0.15);
    transform: translateY(-1px);
}

.hsn-input:valid, .tsn-input:valid {
    border-color: #10b981;
    background-color: #f0fdf4;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.hsn-input:invalid:not(:placeholder-shown), .tsn-input:invalid:not(:placeholder-shown) {
    border-color: #ef4444;
    background-color: #fef2f2;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.hsn-input::placeholder, .tsn-input::placeholder {
    color: #9ca3af;
    font-weight: 500;
    letter-spacing: 0.1em;
}

/* Label styling für HSN/TSN */
.hsn-tsn-section label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.hsn-tsn-section label .text-xs {
    display: block;
    margin-top: 0.25rem;
    color: #6b7280;
    font-weight: 400;
    font-size: 0.8rem;
}

/* Info-Text Styling */
.hsn-tsn-section .mt-3 p {
    background-color: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 6px;
    padding: 0.75rem;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #1e40af;
    line-height: 1.4;
}

.hsn-tsn-section .mt-3 p i {
    color: #3b82f6;
    margin-right: 0.5rem;
}

/* Responsive Anpassungen für HSN/TSN */
@media (max-width: 640px) {
    .hsn-tsn-section .grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .hsn-input, .tsn-input {
        font-size: 1rem;
        height: 3rem;
    }
}

/* Form separator styling */
.form-separator {
    position: relative;
    margin: 1.5rem 0;
}

.form-separator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, #d1d5db, transparent);
}

.form-separator span {
    background: white;
    padding: 0 1rem;
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .oil-finder-container {
        flex-direction: column;
    }
    
    .oil-results {
        grid-template-columns: 1fr;
    }
}