body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(180deg, #eef4ee 0%, #f5f7f4 100%);
}

.login-card {
    width: min(100%, 380px);
    padding: 28px;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

.language-form {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 18px;
}

.language-form label {
    margin: 0;
    white-space: nowrap;
}

.language-form select {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #d9e2ec;
    border-radius: 10px;
    font: inherit;
    background: #fff;
}

h2 {
    margin: 0 0 18px;
    text-align: center;
}

p {
    margin: 0 0 14px;
    color: #334155;
}

form p {
    margin: 0 0 14px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d9e2ec;
    border-radius: 10px;
    font: inherit;
    box-sizing: border-box;
}

button {
    width: 100%;
    margin-top: 8px;
    padding: 12px 16px;
    border: 0;
    border-radius: 999px;
    background: #155eef;
    color: #fff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.messages {
    margin-bottom: 18px;
}

.message {
    padding: 10px 12px;
    border-radius: 10px;
    background: #eef2ff;
}