* {
    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;
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

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

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

header p {
    font-size: 1.1em;
    opacity: 0.9;
}

.api-tester {
    padding: 30px;
}

.user-info {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
}

.user-info h3 {
    color: #495057;
    margin-bottom: 15px;
}

.status {
    font-size: 1.2em;
    font-weight: bold;
    color: #6c757d;
}

.token-info {
    margin-top: 10px;
    font-size: 0.9em;
    color: #495057;
}

.form-section {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 25px;
}

.form-section h3 {
    color: #495057;
    margin-bottom: 20px;
    font-size: 1.3em;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #495057;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #dee2e6;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

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

button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

button:active {
    transform: translateY(0);
}

button:disabled {
    background: #6c757d;
    cursor: not-allowed;
    transform: none;
}

.response {
    margin-top: 15px;
    padding: 15px;
    border-radius: 4px;
    font-family: monospace;
    white-space: pre-wrap;
    word-break: break-all;
}

.response.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.response.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.response.loading {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.history-section {
    margin-top: 30px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
}

.history-section h3 {
    color: #495057;
    margin-bottom: 15px;
}

.api-call {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 10px;
    font-family: monospace;
    font-size: 0.9em;
}

.api-call h4 {
    color: #495057;
    margin-bottom: 5px;
}

.api-call .timestamp {
    color: #6c757d;
    font-size: 0.8em;
    margin-bottom: 10px;
}

.api-call .result {
    background: #f8f9fa;
    padding: 10px;
    border-radius: 3px;
    margin-top: 10px;
}

@media (max-width: 768px) {
    .container {
        margin: 10px;
        border-radius: 5px;
    }
    
    header {
        padding: 20px;
    }
    
    header h1 {
        font-size: 2em;
    }
    
    .api-tester {
        padding: 20px;
    }
    
    .form-section {
        padding: 20px;
    }
}