* {
    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;
    display: flex;
    flex-direction: column;
}

.container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.register-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
    backdrop-filter: blur(10px);
}

.form-title {
    text-align: center;
    color: #333;
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.form-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    font-size: 1rem;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    background-color: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.gender-options {
    display: flex;
    gap: 20px;
    margin-top: 8px;
}

.gender-option {
    display: flex;
    align-items: center;
    gap: 8px;
}

.gender-option input[type="radio"] {
    width: auto;
    margin: 0;
}

.gender-option label {
    margin: 0;
    font-weight: normal;
    cursor: pointer;
}

textarea {
    resize: vertical;
    min-height: 80px;
}

.btn-register {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

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

.login-link {
    text-align: center;
    margin-top: 20px;
    color: #666;
}

.login-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.login-link a:hover {
    text-decoration: underline;
}

.required {
    color: #e74c3c;
}

@media (max-width: 900px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .register-form {
        padding: 30px 20px;
        margin: 10px;
    }

    .form-title {
        font-size: 2rem;
    }

    .gender-options {
        flex-direction: column;
        gap: 10px;
    }
}