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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1em;
    opacity: 0.9;
}

.input-section {
    padding: 40px 30px;
    background: #f8f9fa;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 1.1em;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s;
}

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

.btn-primary {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.2em;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

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

.result-section {
    padding: 30px;
}

.result-card {
    background: #fff;
}

.result-item {
    margin-bottom: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #667eea;
}

.result-item h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.result-content {
    font-size: 1.1em;
    line-height: 1.8;
    color: #333;
}

.result-content .status {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    margin-left: 10px;
}

.status.success {
    background: #d4edda;
    color: #155724;
}

.status.warning {
    background: #fff3cd;
    color: #856404;
}

.status.danger {
    background: #f8d7da;
    color: #721c24;
}

.status.info {
    background: #d1ecf1;
    color: #0c5460;
}

footer {
    padding: 20px 30px;
    background: #f8f9fa;
    text-align: center;
    color: #666;
    font-size: 0.9em;
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.6;
}

footer p {
    margin: 0;
    white-space: normal;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 2em;
    }
    
    .input-section,
    .result-section {
        padding: 20px;
    }
}