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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

main {
    display: grid;
    gap: 30px;
}

.prediction-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.prediction-form h2 {
    color: #667eea;
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #555;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.predict-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
}

.predict-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.predict-btn:active {
    transform: translateY(0);
}

.loading-spinner {
    text-align: center;
    padding: 40px;
    color: #667eea;
}

.loading-spinner i {
    font-size: 3rem;
    margin-bottom: 15px;
}

.loading-spinner p {
    font-size: 1.2rem;
}

.prediction-result {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    margin-top: 30px;
}

.prediction-result h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.result-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.result-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.result-item .label {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 5px;
}

.result-item .price {
    font-size: 2rem;
    font-weight: bold;
}

.result-item .confidence {
    font-size: 1.5rem;
    font-weight: bold;
}

.result-item .trend {
    font-size: 1.2rem;
    font-weight: bold;
}

.info-section {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.info-section h3 {
    color: #667eea;
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.info-card {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    transition: transform 0.3s;
}

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

.info-card i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 15px;
}

.info-card h4 {
    color: #333;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.info-card p {
    color: #666;
    line-height: 1.6;
}

footer {
    text-align: center;
    margin-top: 40px;
    color: white;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .prediction-form,
    .info-section {
        padding: 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}