/* SR-SSO login UI (4.05). One small sheet; colours meet WCAG 2.1 AA contrast (4.06). */
:root { --bg: #f5f6f8; --card: #ffffff; --text: #16181d; --muted: #555b66; --line: #d6d9df;
        --accent: #1d4ed8; --accent-text: #ffffff; --error: #b42318; --ok: #067647; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #111318; --card: #1a1d24; --text: #eceef2; --muted: #a9afba; --line: #343944;
          --accent: #6b9bff; --accent-text: #0b1020; --error: #ff8a80; --ok: #6ee7a8; }
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 16px;
       background: var(--bg); color: var(--text);
       font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.card { width: 100%; max-width: 420px; background: var(--card); border: 1px solid var(--line);
        border-radius: 12px; padding: 28px 24px; }
.brand { margin: 0 0 8px; font-weight: 700; letter-spacing: .04em; color: var(--muted); }
h1 { font-size: 1.4rem; margin: 0 0 20px; }
.row { display: grid; gap: 6px; margin-bottom: 14px; }
label { font-weight: 600; }
input[type=text], input[type=email], input[type=password], input[type=number],
input:not([type]) { width: 100%; padding: 10px 12px; font: inherit; color: var(--text);
  background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--accent);
  outline-offset: 2px; }
.btn { display: block; width: 100%; margin: 8px 0; padding: 10px 14px; font: inherit;
       font-weight: 600; border-radius: 8px; border: 1px solid var(--accent);
       background: var(--accent); color: var(--accent-text); cursor: pointer; }
.btn.secondary { background: transparent; color: var(--accent); }
.check { display: flex; gap: 8px; align-items: center; margin: 10px 0; font-weight: 400; }
.msg { margin: 0 0 12px; }
.msg.error { color: var(--error); }
.msg.success { color: var(--ok); }
.text code { word-break: break-all; }
.links { margin-top: 18px; text-align: center; }
a { color: var(--accent); }
.muted { color: var(--muted); }
img { max-width: 100%; height: auto; background: #fff; }
/* One form per method where methods have their own fields (second step, settings). */
.method + .method { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); }