/* Sign-in and join pages */
:root {
  --bg: #eef0ec; --panel: #fafbf8; --fg: #1b1f1c; --muted: #5d655f; --line: #cfd4cc;
  --accent: #2346d6; --accent-fg: #fff; --ok: #1f8a4c; --lock: #c2372b;
  --f-display: "Unbounded", "Arial Black", system-ui, sans-serif;
  --f-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111412; --panel: #1c211e; --fg: #e8ece7; --muted: #99a39c; --line: #2e3531; --accent: #6f8cff; --accent-fg: #0b1030; --ok: #4cc47f; --lock: #ff6b5e; color-scheme: dark; }
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; background: var(--bg); color: var(--fg); font: 15px/1.5 var(--f-body); }
[hidden] { display: none !important; }
main { width: min(100%, 400px); background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 24px; display: grid; gap: 16px; }
h1 { margin: 0; font-family: var(--f-display); font-size: 22px; letter-spacing: 0.02em; }
p { margin: 0; color: var(--muted); }
form { display: grid; gap: 12px; }
label { display: grid; gap: 4px; font-size: 13px; font-weight: 600; }
input { font: inherit; min-height: 44px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); padding: 0 12px; }
input:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button { font: inherit; font-weight: 600; min-height: 46px; border-radius: 12px; border: 0; background: var(--accent); color: var(--accent-fg); cursor: pointer; }
button:disabled { opacity: 0.6; cursor: progress; }
.msg { padding: 10px 12px; border-radius: 10px; font-size: 14px; }
.msg.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--fg); }
.msg.err { background: color-mix(in srgb, var(--lock) 15%, transparent); color: var(--fg); }
.small { font-size: 13px; }
a { color: var(--accent); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { border-radius: 9px; }