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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    color: white;
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    text-align: center;
    color: rgba(255,255,255,0.9);
    font-size: 1.2em;
    margin-bottom: 30px;
}

.card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h2 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.5em;
}

h3 {
    color: #555;
    margin-bottom: 10px;
    margin-top: 20px;
}

p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 5px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn.success {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    color: white;
}

.btn.danger {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
}

label {
    display: block;
    margin: 15px 0 5px;
    color: #555;
    font-weight: 500;
}

input, select {
    width: 100%;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    margin-bottom: 10px;
    transition: border-color 0.3s;
}

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

ol, ul {
    margin-left: 20px;
    color: #666;
}

li {
    margin: 8px 0;
    line-height: 1.5;
}

#status {
    padding: 10px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 4px solid #667eea;
}

@media (max-width: 600px) {
    h1 {
        font-size: 2em;
    }
    
    .card {
        padding: 20px;
    }
    
    .btn {
        width: 100%;
        margin: 5px 0;
    }
}