:root { color-scheme: dark; --bg: #0c111b; --text: #edf3ff; --muted: #a7b4ca; --accent: #ffca42; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 system-ui, -apple-system, "Apple SD Gothic Neo", sans-serif; }
main { max-width: 680px; margin: 80px auto; padding: 0 28px; }
.eyebrow { margin-bottom: 28px; color: var(--accent); font-size: 14px; font-weight: 700; }
h1 { margin: 0; font-size: clamp(34px, 6vw, 52px); line-height: 1.3; letter-spacing: -.035em; }
.intro { margin: 24px 0; color: var(--muted); }
#login-status { min-height: 52px; }
.actions { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
/* Google's HTML button configurator, light rectangular variant.
   https://developers.google.com/identity/branding-guidelines */
.gsi-material-button { user-select: none; appearance: none; background-color: white; background-image: none; border: 1px solid #747775; border-radius: 4px; box-sizing: border-box; color: #1f1f1f; cursor: pointer; font-family: 'Roboto', arial, sans-serif; font-size: 14px; height: 40px; letter-spacing: .25px; outline: none; overflow: hidden; padding: 0 12px; position: relative; text-align: center; transition: background-color .218s, border-color .218s, box-shadow .218s; vertical-align: middle; white-space: nowrap; width: auto; max-width: 400px; min-width: min-content; }
.gsi-material-button-icon { display: block; height: 20px; margin-right: 12px; min-width: 20px; width: 20px; }
.gsi-material-button-content-wrapper { align-items: center; display: flex; flex-direction: row; flex-wrap: nowrap; height: 100%; justify-content: space-between; position: relative; width: 100%; }
.gsi-material-button-contents { flex-grow: 1; font-family: 'Roboto', arial, sans-serif; font-weight: 500; overflow: hidden; text-overflow: ellipsis; vertical-align: top; }
.gsi-material-button-state { transition: opacity .218s; bottom: 0; left: 0; opacity: 0; position: absolute; right: 0; top: 0; }
.gsi-material-button:disabled { cursor: default; background-color: #ffffff61; border-color: #1f1f1f1f; }
.gsi-material-button:disabled .gsi-material-button-contents, .gsi-material-button:disabled .gsi-material-button-icon { opacity: 38%; }
.gsi-material-button:not(:disabled):active .gsi-material-button-state, .gsi-material-button:not(:disabled):focus .gsi-material-button-state { background-color: #303030; opacity: 12%; }
.gsi-material-button:not(:disabled):hover { box-shadow: 0 1px 2px 0 #3c40434d, 0 1px 3px 1px #3c404326; }
.gsi-material-button:not(:disabled):hover .gsi-material-button-state { background-color: #303030; opacity: 8%; }
a { color: var(--text); text-underline-offset: 4px; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.footnote { margin-top: 36px; padding-top: 24px; border-top: 1px solid #354661; color: var(--muted); font-size: 14px; }
.denied-note, .unavailable-note { display: none; }
body[data-login-mode="denied"] .denied-note, body[data-login-mode="unavailable"] .unavailable-note { display: block; }
body[data-login-mode="denied"] #login-status, body[data-login-mode="unavailable"] #login-status { display: none; }
@media (max-width: 600px) { main { margin-top: 40px; padding: 0 24px; } }