/* The sign-in page draws itself from this file alone, so it works before anyone has a session. */
:root {
  --bg: #f3f6f5;
  --card: #ffffff;
  --ink: #15201e;
  --muted: #55645f;
  --line: #d4ddda;
  --accent: #3d45a8;      /* the app's indigo (app.css --acc) */
  --accent-ink: #ffffff;
  --mark: #8c94ee;
  --err-bg: #fdeceb;
  --err-ink: #8c1d14;
  --shadow: 0 1px 2px rgba(21, 32, 30, .06), 0 8px 24px rgba(21, 32, 30, .08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1514;
    --card: #172120;
    --ink: #e6eeec;
    --muted: #97a8a4;
    --line: #2a3836;
    --accent: #8c94ee;
    --accent-ink: #14173d;
    --mark: #3d45a8;
    --err-bg: #3a1a17;
    --err-ink: #ffb9b0;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.login { width: 100%; max-width: 380px; display: grid; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand b { display: block; font-size: 18px; letter-spacing: -.01em; }
.brand span { display: block; font-size: 13px; color: var(--muted); letter-spacing: .12em; }
/* the app's mark: a speech bubble with a tick */
.b-tile { fill: var(--ink); }
.b-bubble { fill: var(--mark); }
.b-tick { fill: none; stroke: var(--ink); stroke-width: 2.3; stroke-linecap: round; stroke-linejoin: round; }
.card {
  display: grid;
  gap: 16px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.eyebrow { margin: 0; font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
h1 { margin: 4px 0 0; font-size: 26px; letter-spacing: -.02em; }
.err {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--err-bg);
  color: var(--err-ink);
  font-size: 14px;
}
.err[hidden] { display: none; }
.fld { display: grid; gap: 6px; }
.fld span { font-size: 13px; font-weight: 600; color: var(--muted); }
input {
  width: 100%;
  padding: 12px;
  font: inherit;         /* 16px, so phones do not zoom in on focus */
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
}
input:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
button {
  padding: 12px 16px;
  font: inherit;
  font-weight: 600;
  color: var(--accent-ink);
  background: var(--accent);
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}
button:hover { filter: brightness(1.08); }
.foot { margin: 0; font-size: 13px; color: var(--muted); text-align: center; }