* {
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}
body {
    background: #0f172a;
    color: #fff;
    margin: 0;
}
.container {
    max-width: 420px;
    margin: 60px auto;
    padding: 20px;
}
select {
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 12px;
    border: 1px solid #334155;
    background: #0b1220;
    color: white;
}

.card {
    background: #111827;
    padding: 20px;
    border-radius: 14px;
    border: 1px solid #1f2937;
}
h1 {
    margin-top: 0;
    font-size: 22px;
}
input {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    border-radius: 10px;
    border: 1px solid #334155;
    background: #0b1220;
    color: white;
}
button {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    border: none;
    border-radius: 10px;
    background: #2563eb;
    color: white;
    cursor: pointer;
}
button:hover {
    opacity: 0.9;
}
a {
    color: #60a5fa;
    text-decoration: none;
}
.small {
    opacity: 0.8;
    font-size: 14px;
    margin-top: 10px;
}
.msg {
    margin-top: 12px;
    padding: 10px;
    border-radius: 10px;
    background: #0b1220;
    border: 1px solid #334155;
    white-space: pre-wrap;
}
.row {
    display: flex;
    gap: 10px;
}
.row button {
    width: 50%;
}