:root {
    --bg-color: #0a0a0c;
    --card-bg: rgba(20, 20, 25, 0.7);
    --accent-color: #00f2ff;
    --accent-glow: rgba(0, 242, 255, 0.3);
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: rgba(255, 255, 255, 0.1);
    --gradient-primary: linear-gradient(135deg, #00f2ff 0%, #7000ff 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

/* Background Gradients */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(112, 0, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 242, 255, 0.1) 0%, transparent 40%);
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 900px;
    padding: 40px 20px;
}

header {
    text-align: center;
    margin-bottom: 60px;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
    text-transform: uppercase;
}

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

/* Upload Section */
.upload-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.upload-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-5px);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.upload-text h3 {
    margin-bottom: 8px;
    font-size: 1.4rem;
}

.upload-text p {
    color: var(--text-secondary);
}

#imageInput {
    display: none;
}

/* Analysis Section */
#analysisResult {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.analysis-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 30px;
    margin-top: 20px;
}

.analysis-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.analysis-content {
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
}

/* Loading States */
.loader {
    display: none;
    margin: 40px auto;
    width: 50px;
    height: 50px;
    border: 3px solid rgba(0, 242, 255, 0.1);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Response Formatting */
.analysis-content ul {
    list-style: none;
    margin: 20px 0;
}

.analysis-content li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
}

.analysis-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--accent-glow);
    color: var(--accent-color);
    margin-bottom: 15px;
}