/* ==========================================
   AI Image SEO Generator - Custom Styles
   ========================================== */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-color: #10b981;
    --info-color: #3b82f6;
    --warning-color: #f59e0b;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

/* Hero Section */
.hero-section {
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.hero-section::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 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,165.3C384,171,480,149,576,144C672,139,768,149,864,170.7C960,192,1056,224,1152,213.3C1248,203,1344,149,1392,122.7L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    opacity: 0.3;
}

.feature-badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Upload Card */
.upload-card {
    border-radius: 20px !important;
    transition: transform 0.3s ease;
}

.upload-card:hover {
    transform: translateY(-5px);
}

.upload-zone {
    position: relative;
    border: 3px dashed #dee2e6;
    border-radius: 15px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.upload-zone:hover {
    border-color: #667eea;
    background: #f0f4ff;
}

.upload-zone.drag-over {
    border-color: #667eea;
    background: #e0e7ff;
    transform: scale(1.02);
}

.upload-label {
    cursor: pointer;
    display: block;
    margin: 0;
}

.image-preview {
    position: relative;
    max-width: 100%;
}

.image-preview img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.remove-image {
    position: absolute;
    top: 10px;
    right: 10px;
    border-radius: 20px;
}

/* Loading Overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    border-radius: 20px;
}

/* Results Section */
#resultsSection {
    animation: fadeInUp 0.6s ease;
}

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

.seo-content {
    white-space: pre-wrap;
    line-height: 1.8;
    font-size: 0.95rem;
}

.seo-content strong {
    color: #667eea;
    font-size: 1.1rem;
}

/* Tags */
.tag-badge {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin: 0.25rem;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.tag-confidence {
    background: rgba(255, 255, 255, 0.3);
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    margin-left: 0.3rem;
    font-size: 0.75rem;
}

/* History Cards */
.history-card {
    border-radius: 15px;
    transition: all 0.3s ease;
    overflow: hidden;
}

.history-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
}

.history-card .card-img-top {
    transition: transform 0.3s ease;
}

.history-card:hover .card-img-top {
    transform: scale(1.05);
}

/* Buttons */
.btn {
    border-radius: 10px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

/* Cards */
.card {
    border-radius: 15px;
    overflow: hidden;
}

.card-header {
    font-weight: 600;
    border: none;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }

    .feature-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }

    .upload-zone {
        padding: 2rem 1rem;
    }
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading-overlay .spinner-border {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}