* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --secondary: #64748B;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --text: #0F172A;
    --text-light: #64748B;
    --bg: #F8FAFC;
    --surface: #FFFFFF;
    --border: #E2E8F0;
    --glass: rgba(255, 255, 255, 0.1);
    --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

body {
    font-family: 'Space Mono', monospace;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.hero {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(45deg, #FF6B6B, #4ECDC4, #45B7D1, #96CEB4);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-visual {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scan-animation {
    position: relative;
    width: 100px;
    height: 100px;
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #4ECDC4, transparent);
    animation: scanDown 2s ease-in-out infinite;
}

.scan-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 10px 10px;
    border-radius: 8px;
}

@keyframes scanDown {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(100px); opacity: 0; }
}

.main-content {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

.card {
    background: var(--surface);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--error);
    animation: pulse 2s infinite;
}

.status-dot.active {
    background: var(--success);
}

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

.input-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.api-input {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
}

.api-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: var(--border);
    color: var(--text);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary);
    color: white;
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-loader {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
}

.btn.loading .btn-text {
    opacity: 0;
}

.btn.loading .btn-loader {
    display: block;
}

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

.upload-area {
    border: 2px dashed var(--border);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(59, 130, 246, 0.02);
}

.upload-area:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
}

.upload-area.dragover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.02);
}

.upload-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.upload-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    color: var(--primary);
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.result-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-badge.real {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.result-badge.fake {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.result-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.result-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 1;
}

.result-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-item label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-item span,
.detail-item p {
    font-size: 1rem;
    color: var(--text);
    line-height: 1.5;
}

.upload-stats {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

.upload-stats span {
    color: var(--primary);
    font-weight: 700;
}

.api-info {
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(59, 130, 246, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.api-info p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-light);
}

.api-info a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.api-info a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.input-hint {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.5rem;
    text-align: center;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .hero {
        margin-bottom: 2rem;
    }
    
    .input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .result-content {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
}