/* Sign-in and quick-links pages; same look as the public site on the domain. */
:root {
  color-scheme: light dark;
  --bg: #f6f7f9; --fg: #1d2330; --muted: #5a6475; --faint: #9aa3b2;
  --card: #ffffff; --line: #e3e6eb; --input: #d5d9e0;
  --btn-bg: #1d2330; --btn-fg: #ffffff; --ring: #4f7cff; --bad: #dc2626;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418; --fg: #e8eaee; --muted: #9aa3b2; --faint: #6b7483;
    --card: #171b21; --line: #252a31; --input: #313843;
    --btn-bg: #e8eaee; --btn-fg: #111418; --bad: #f87171;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  font: 16px/1.6 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg); color: var(--fg);
}
h1 { font-size: 24px; font-weight: 650; margin: 0 0 16px; letter-spacing: -.01em; }

.site-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 20px 24px; }
.site-head .actions { display: flex; gap: 8px; }
.logo { display: block; width: 32px; height: 32px; border-radius: 9px; background: linear-gradient(135deg, #4f7cff, #22c3a6); }
.site-main { flex: 1; display: grid; place-items: center; padding: 24px 16px; }
.site-foot { padding: 20px 24px; font-size: 13px; color: var(--faint); text-align: center; border-top: 1px solid var(--line); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; height: 36px; padding: 0 16px;
  border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--fg);
  font: inherit; font-size: 14px; font-weight: 600; text-decoration: none; cursor: pointer;
}
.btn:hover { background: var(--line); }
.btn.primary { background: var(--btn-bg); color: var(--btn-fg); border-color: var(--btn-bg); }
.btn.primary:hover { opacity: .85; }
.btn:disabled { opacity: .6; cursor: default; }
.btn:focus-visible, input:focus-visible, .tile:focus-visible, .logo:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }

/* Sign-in form */
.signin {
  width: min(360px, 100%); display: grid; gap: 6px; padding: 28px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
}
.signin h1 { text-align: center; }
.signin label { font-size: 13px; font-weight: 500; color: var(--muted); }
.signin input {
  height: 40px; width: 100%; padding: 0 12px; margin-bottom: 10px;
  border: 1px solid var(--input); border-radius: 8px; background: transparent; color: var(--fg); font: inherit; font-size: 15px;
}
.signin .btn.primary { height: 40px; width: 100%; margin-top: 4px; }
.signin .error { min-height: 20px; color: var(--bad); font-size: 13px; text-align: center; }

/* Quick links */
.hub { width: min(760px, 100%); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.tile {
  display: flex; flex-direction: column; gap: 4px; padding: 20px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  color: inherit; text-decoration: none; transition: border-color .15s, transform .15s;
}
.tile:hover { border-color: var(--ring); transform: translateY(-1px); }
.tile svg { width: 24px; height: 24px; color: var(--ring); margin-bottom: 8px; }
.tile b { font-size: 17px; font-weight: 600; }
.tile span { font-size: 14px; color: var(--muted); }