:root {
    color-scheme: light;
}

html, body {
  height: 100%;
  margin: 0;
}

.logo {
    width: 40%;
}

body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    display: grid;
    place-items: center;
    min-height: 100dvh;
}

h1 {
    margin: 0 0 8px;
    font-size: 22px;
}

p {
    margin: 0 0 16px;
    opacity: 0.9;
    line-height: 1.4;
}

.card {
    width: min(560px, 100%);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 22px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    text-align: center;
}


.hint {
    font-size: 13px;
    opacity: 0.8;
    margin-top: 10px;
}

.btns {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

a.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    padding: 15px 15px;
    border-radius: 12px;
    font-weight: 600;
    color: #fff;
    width: 220px;
    height: 65px;
}

a.btn img {
    height: 65px;
    width: auto;
}

a.btn:hover {
    background: rgba(255, 255, 255, 0.20);
}

.small {
    font-size: 12px;
    opacity: .85;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #3f888f;
    border-radius: 999px;
    animation: spin 0.9s linear infinite;
    display: inline-block;
    vertical-align: -3px;
    margin-right: 8px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.row {
    display: flex;
    align-items: center;
    gap: 8px;
}

code {
    background: rgba(0, 0, 0, 0.25);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 12px;
}