:root { color-scheme: light; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #f4f7f6; color: #17201d; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.card { width: min(100%, 440px); background: #fff; border: 1px solid #dfe8e4; border-radius: 18px; box-shadow: 0 16px 45px rgba(21, 55, 44, .09); padding: 32px; }
h1 { margin: 0 0 12px; font-size: 28px; line-height: 1.2; }
p { line-height: 1.55; }
.intro { margin: 0 0 24px; color: #53615c; }
.provider-buttons { display: grid; gap: 10px; }
form { display: grid; gap: 10px; }
label { font-weight: 650; font-size: 14px; }
input { width: 100%; border: 1px solid #b7c7c1; border-radius: 10px; padding: 12px 14px; font: inherit; }
input:focus { outline: 3px solid rgba(23, 137, 101, .18); border-color: #178965; }
button { border: 0; border-radius: 10px; padding: 12px 16px; background: #178965; color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
button:hover { filter: brightness(.96); }
button:focus-visible { outline: 3px solid rgba(23, 137, 101, .28); outline-offset: 2px; }
button:disabled { cursor: wait; opacity: .6; }
.provider { background: #fff; color: #17201d; border: 1px solid #b7c7c1; }
.provider-dark { background: #111; color: #fff; border-color: #111; }
.secondary { background: transparent; color: #176d54; }
.divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: #74827d; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: #dfe8e4; }
.status { min-height: 24px; margin: 14px 0 0; color: #53615c; }
.status.error { color: #a32121; }
.authorization-list { list-style: none; padding: 0; display: grid; gap: 16px; }
.authorization-list li { border: 1px solid #dfe8e4; border-radius: 12px; padding: 16px; }
.authorization-list h2 { margin: 0 0 8px; font-size: 18px; }
.authorization-list p { margin: 4px 0; color: #53615c; font-size: 14px; }
.authorization-list form { margin-top: 12px; }
.danger { background: #a32121; }
[hidden] { display: none !important; }
@media (max-width: 520px) { body { padding: 0; place-items: stretch; } .card { width: 100%; min-height: 100vh; border: 0; border-radius: 0; padding: 28px 22px; } }