* {
    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: 40px 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, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2em;
    margin-bottom: 10px;
}

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

form {
    padding: 30px;
}

.section {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 30px;
    border-left: 5px solid #f5576c;
}

.section h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.5em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section h2::before {
    content: "📝";
    font-size: 1.2em;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

input, select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
}

input:focus, select:focus {
    outline: none;
    border-color: #f5576c;
    box-shadow: 0 0 0 3px rgba(245, 87, 108, 0.1);
}

.row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
}

.checkbox-group {
    margin-top: 20px;
    padding: 15px;
    background: #e8f0fe;
    border-radius: 10px;
}

.checkbox-group label {
    display: inline-block;
    margin-left: 10px;
    font-weight: normal;
}

.checkbox-group input {
    width: auto;
    margin-right: 5px;
}

button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.required::after {
    content: " *";
    color: red;
}

.error {
    background: #fee;
    border-left: 4px solid #f5576c;
    padding: 10px;
    margin-bottom: 20px;
    color: #c00;
}

.success {
    background: #e8f5e9;
    border-left: 4px solid #4caf50;
    padding: 10px;
    margin-bottom: 20px;
    color: #2e7d32;
}

@media (max-width: 600px) {
    .row-2, .row-3 {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    form {
        padding: 20px;
    }
}