:root {
    color-scheme: dark;
    font-family: Arial, Helvetica, sans-serif;
    background: #020812;
    color: #f4f7fb;
}

* { box-sizing: border-box; }

body {
    min-height: 100vh;
    margin: 0;
    padding: 64px 24px;
    background: #020812;
}

.logo {
    margin: 0 auto 48px;
    color: #72e5ff;
    font-size: 56px;
    font-weight: 800;
    letter-spacing: 12px;
    text-align: center;
}

.card {
    width: min(100%, 640px);
    margin: 0 auto;
    padding: 40px;
    border: 1px solid #12506a;
    border-radius: 34px;
    background: #06162a;
    box-shadow: 0 18px 60px rgba(0, 0, 0, .35);
}

h1 { margin: 0 0 22px; font-size: clamp(34px, 8vw, 52px); }
p { color: #aebbd0; font-size: 21px; line-height: 1.55; }

.button,
.secondary {
    display: block;
    width: 100%;
    margin-top: 24px;
    padding: 22px 18px;
    border-radius: 20px;
    font-size: 22px;
    font-weight: 800;
    text-align: center;
    text-decoration: none;
}

.button {
    border: 0;
    color: #02101c;
    background: linear-gradient(90deg, #08c8e8, #74e4ff);
    cursor: pointer;
}

.button:disabled { opacity: .58; cursor: wait; }

.secondary {
    border: 1px solid #1a4965;
    color: #8beaff;
    background: transparent;
}

.status {
    min-height: 32px;
    margin-top: 22px;
    color: #ffbe8a;
    font-size: 18px;
    text-align: center;
}

.status.success { color: #7ef0ae; }

.note { margin-top: 28px; font-size: 16px; }

button:focus-visible,
a:focus-visible {
    outline: 3px solid #f5c451;
    outline-offset: 4px;
}

@media (max-width: 520px) {
    body { padding: 42px 20px; }
    .logo { margin-bottom: 34px; font-size: 48px; }
    .card { padding: 32px 24px; border-radius: 28px; }
}