* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, #0b203f, #123b70);
    min-height: 100vh;
}

.page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 15px;
}

.form-card {
    width: 100%;
    max-width: 950px;
    background: #ffffff;
    border-radius: 18px;
    padding: 35px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.header h1,
.result-card h1 {
    margin: 0;
    color: #0b203f;
    font-size: 34px;
}

.header p {
    color: #667085;
    margin-top: 8px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.field.full {
    grid-column: span 2;
}

label {
    display: block;
    font-weight: 700;
    margin-bottom: 7px;
    color: #1f2937;
}

input,
select {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid #d0d5dd;
    border-radius: 10px;
    font-size: 15px;
}

input:focus,
select:focus {
    outline: none;
    border-color: #0b203f;
    box-shadow: 0 0 0 3px rgba(11,32,63,0.12);
}

button {
    width: 100%;
    margin-top: 25px;
    padding: 15px;
    border: none;
    border-radius: 12px;
    background: #0b203f;
    color: #ffffff;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
}

button:hover {
    background: #123b70;
}

.alert {
    padding: 18px;
    border-radius: 12px;
    margin: 25px 0;
    font-size: 17px;
    font-weight: 700;
    text-align: center;
}

.success {
    background: #ecfdf3;
    color: #027a48;
    border: 1px solid #12b76a;
}

.error {
    background: #fef3f2;
    color: #b42318;
    border: 1px solid #f04438;
}

.back-btn {
    display: inline-block;
    text-decoration: none;
    background: #0b203f;
    color: white;
    padding: 13px 22px;
    border-radius: 10px;
    font-weight: 700;
}

.result-card {
    text-align: center;
    max-width: 600px;
}

@media (max-width: 700px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .field.full {
        grid-column: span 1;
    }

    .form-card {
        padding: 25px;
    }
}