/* Shared theme — PolyPaq blue & gold. Change colours here only. */
:root {
  --navy: #14233c;
  --navy-900: #0d1a2e;
  --blue: #1565b0;
  --blue-dark: #0f5399;
  --gold: #f2a50f;
  --ink: #14233c;
  --muted: #5b6678;
  --line: #e3e8f0;
  --bg: #f3f6f9;
  --card: #ffffff;
  --danger: #b42318;
  --danger-bg: #fdecea;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(20, 35, 60, 0.06), 0 6px 20px rgba(20, 35, 60, 0.06);
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.5; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
[hidden] { display: none !important; }

/* ---------- Login ---------- */
.login-body {
  min-height: 100vh; display: grid; grid-template-rows: 1fr auto; justify-items: center; padding: 24px 24px 18px;
  background:
    radial-gradient(900px 520px at 100% 0%, #dde7f3 0%, rgba(221, 231, 243, 0) 62%),
    radial-gradient(700px 420px at 0% 100%, #f7efd9 0%, rgba(247, 239, 217, 0) 62%),
    var(--bg);
}
.login-wrap { align-self: center; width: 100%; max-width: 404px; }
.login-card {
  position: relative; overflow: hidden; background: var(--card); border-radius: 22px; padding: 38px 32px 26px;
  box-shadow: 0 12px 40px rgba(20, 35, 60, 0.10), 0 2px 6px rgba(20, 35, 60, 0.05);
}
.login-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--blue) 0 68%, var(--gold) 68% 100%);
}
.login-logo { display: block; height: 52px; width: auto; max-width: 70%; margin: 0 0 22px; }
.login-card h1 { margin: 0 0 4px; font-size: 1.55rem; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.login-sub { margin: 0 0 24px; color: var(--muted); font-size: 0.95rem; }
.login-card label { display: block; font-weight: 600; font-size: 0.85rem; color: var(--ink); margin: 0 0 6px; }
.login-card input {
  width: 100%; height: 48px; font: inherit; color: var(--ink); background: #fff; padding: 0 14px;
  border: 1px solid #d3dbe7; border-radius: 10px;
}
.login-card input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(21, 101, 176, 0.22); }
.login-card input[aria-invalid="true"] { border-color: var(--danger); }
.login-row { margin-bottom: 16px; }
.pw { position: relative; }
.pw input { padding-right: 68px; }
.pw button {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font: inherit; font-size: 0.85rem; font-weight: 600;
  color: var(--blue); background: none; border: 0; padding: 8px; border-radius: 8px; cursor: pointer;
}
.pw button:hover { text-decoration: underline; }
.hint { margin: 7px 0 0; font-size: 0.82rem; color: var(--muted); }
.btn {
  width: 100%; height: 48px; margin-top: 8px; font: inherit; font-weight: 600; letter-spacing: 0.01em; border: 0;
  border-radius: 10px; background: var(--blue); color: #fff; cursor: pointer;
}
.btn:hover { background: var(--blue-dark); }
.login-note { margin: 18px 0 0; text-align: center; font-size: 0.8rem; color: var(--muted); }
.login-foot { margin: 0; font-size: 0.78rem; color: var(--muted); text-align: center; }
.alert {
  background: var(--danger-bg); color: var(--danger); border: 1px solid #f1b8b2; border-radius: 10px;
  padding: 10px 12px; margin: 0 0 18px; font-size: 0.88rem;
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }