* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Arial, sans-serif;
}

body {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px 15px;
}

.container {
    background: #ffffff;
    max-width: 650px;
    width: 100%;
    border-radius: 14px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.25);
    overflow: hidden;
}

.header {
    background: #1e3c72;
    color: #fff;
    padding: 25px 30px;
    text-align: center;
}

.header h1 {
    font-size: 22px;
    margin-bottom: 5px;
}

.header p {
    font-size: 13px;
    opacity: 0.85;
}

form {
    padding: 30px;
}

.form-group {
    margin-bottom: 18px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 14px;
    color: #333;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid #d0d5dd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #1e3c72;
}

textarea {
    resize: vertical;
    min-height: 70px;
}

.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 5px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 400;
    margin-bottom: 0;
}

.btn-submit {
    width: 100%;
    padding: 13px;
    background: #1e3c72;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: background 0.2s;
}

.btn-submit:hover {
    background: #16305c;
}

.alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin: 20px 30px 0 30px;
    font-size: 14px;
}

.alert-success {
    background: #d1f7dc;
    color: #0f5132;
    border: 1px solid #badbcc;
}

.alert-error {
    background: #fde2e1;
    color: #842029;
    border: 1px solid #f5c2c7;
}

.required {
    color: #e74c3c;
}