/* Reset und Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Farben */
    --primary-color: #ff9900;
    --primary-dark: #e68a00;
    --secondary-color: #232f3e;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border-color: #e1e5e9;
    --success-color: #00a650;
    --error-color: #d73527;
    --warning-color: #ff9500;
    
    /* Schatten */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    
    /* Abstände */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    box-shadow: var(--shadow-md);
}

.header-content {
    text-align: center;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 2.8rem;
    height: 2.8rem;
    filter: brightness(0) invert(1); /* Macht das Logo weiß */
}

.logo-fallback {
    font-size: 2.8rem;
    display: inline-block;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Main Content */
.main {
    padding: var(--spacing-2xl) 0;
    min-height: calc(100vh - 200px);
}

/* Loading State */
.loading {
    text-align: center;
    padding: var(--spacing-2xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

.loading p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Error State */
.error {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 400px;
    margin: 0 auto;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.error h3 {
    color: var(--error-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
}

.error p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    gap: var(--spacing-xs);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Offers Container */
.offers-container {
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.offers-header {
    margin-bottom: var(--spacing-xl);
}

.offers-header h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.filter-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-group label {
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--card-background);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: border-color var(--transition-fast);
    min-width: 150px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Offers Grid */
.offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

/* Offer Card */
.offer-card {
    background: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
}

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

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

/* Card Image */
.card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background-color: #f5f5f5;
}

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

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

/* Discount Badge */
.discount-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: var(--error-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 2;
}

/* Card Content */
.card-content {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.price-current {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--success-color);
}

.price-original {
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.amazon-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.amazon-link:hover {
    color: var(--primary-dark);
}

.amazon-link::after {
    content: "→";
    transition: transform var(--transition-fast);
}

.amazon-link:hover::after {
    transform: translateX(2px);
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: white;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-content p {
    opacity: 0.8;
    font-size: 0.9rem;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-link {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-link:hover {
    opacity: 1;
    text-decoration: underline;
}

.disclaimer {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-md);
    text-align: center;
}

.disclaimer p {
    font-size: 0.8rem;
    opacity: 0.7;
    margin: 0;
    line-height: 1.4;
}

/* Content Pages (Impressum, etc.) */
.content-page {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    animation: fadeInUp 0.6s ease;
}

.back-link {
    margin-bottom: var(--spacing-lg);
}

.page-content h2 {
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.impressum-section {
    margin-bottom: var(--spacing-xl);
}

.impressum-section h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-xs);
}

.impressum-section h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
}

.impressum-info {
    background: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.impressum-info p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.impressum-info p:last-child {
    margin-bottom: 0;
}

.affiliate-disclaimer {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.affiliate-disclaimer p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.affiliate-disclaimer p:last-child {
    margin-bottom: 0;
}

.affiliate-disclaimer strong {
    color: var(--warning-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header {
        padding: var(--spacing-lg) 0;
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .logo-icon {
        width: 2.2rem;
        height: 2.2rem;
    }
    
    .logo-fallback {
        font-size: 2.2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .main {
        padding: var(--spacing-lg) 0;
    }
    
    .offers-header h2 {
        font-size: 1.5rem;
    }
    
    .filter-controls {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
    }
    
    .filter-select {
        min-width: 200px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .content-page {
        padding: var(--spacing-lg);
        margin: 0 var(--spacing-sm);
    }
    
    .page-content h2 {
        font-size: 1.5rem;
    }
    
    .offers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .card-content {
        padding: var(--spacing-sm);
    }
    
    .card-title {
        font-size: 0.85rem;
        line-height: 1.3;
        -webkit-line-clamp: 3;
    }
    
    .price-current {
        font-size: 1rem;
    }
    
    .price-original {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.8rem;
    }
    
    .logo-icon {
        width: 2rem;
        height: 2rem;
    }
    
    .logo-fallback {
        font-size: 2rem;
    }
    
    .offers-header h2 {
        font-size: 1.3rem;
    }
    
    .offers-grid {
        gap: var(--spacing-xs);
    }
    
    .card-content {
        padding: var(--spacing-xs);
    }
    
    .card-title {
        font-size: 0.8rem;
        -webkit-line-clamp: 2;
    }
    
    .price-current {
        font-size: 0.95rem;
    }
    
    .price-original {
        font-size: 0.8rem;
    }
    
    .amazon-link {
        font-size: 0.8rem;
    }
    
    .content-page {
        padding: var(--spacing-md);
        margin: 0 var(--spacing-xs);
    }
    
    .page-content h2 {
        font-size: 1.3rem;
    }
    
    .impressum-section h3 {
        font-size: 1.1rem;
    }
    
    .impressum-info {
        padding: var(--spacing-md);
    }
}

/* Sehr kleine Bildschirme - 1 Spalte */
@media (max-width: 360px) {
    .offers-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .card-content {
        padding: var(--spacing-sm);
    }
    
    .card-title {
        font-size: 0.9rem;
        -webkit-line-clamp: 3;
    }
    
    .price-current {
        font-size: 1.1rem;
    }
    
    .price-original {
        font-size: 0.9rem;
    }
    
    .amazon-link {
        font-size: 0.9rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #1a1a1a;
        --card-background: #2d2d2d;
        --text-primary: #ffffff;
        --text-secondary: #b3b3b3;
        --text-muted: #808080;
        --border-color: #404040;
    }
    
    .sort-select {
        background-color: var(--card-background);
        color: var(--text-primary);
        border-color: var(--border-color);
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .sort-controls,
    .amazon-link {
        display: none;
    }
    
    .offer-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}