:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif;
  --ink: #172033;
  --muted: #526277;
  --line: #dce3ec;
  --canvas: #f6f8fb;
  --surface: #ffffff;
  --primary: #1e3a5f;
  --primary-hover: #142c4a;
  --focus: #315bd8;
  --danger: #b42318;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { display: grid; place-items: center; min-height: 100vh; margin: 0; padding: clamp(1rem, 5vw, 3rem); color: var(--ink); background: var(--canvas); font-size: 1rem; line-height: 1.55; }
button, input { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .7; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.login-card { width: min(100%, 30rem); min-width: 0; padding: clamp(1.25rem, 5vw, 2rem); border: 1px solid var(--line); border-radius: 1rem; background: var(--surface); box-shadow: 0 12px 34px rgba(30, 58, 95, .07); }
.product-kicker { margin: 0; color: var(--primary); font-size: .8rem; font-weight: 750; letter-spacing: .05em; }
.login-heading h1 { margin: .5rem 0; font-size: clamp(1.5rem, 5vw, 1.9rem); line-height: 1.3; }
.login-heading > p:last-child { margin: 0 0 1.5rem; color: var(--muted); }
.login-field { display: grid; gap: .45rem; margin-bottom: 1.25rem; }
.login-field label { font-weight: 700; }
.login-field input { width: 100%; min-width: 0; min-height: 2.75rem; padding: .7rem .8rem; border: 1px solid #b8c6d8; border-radius: .65rem; color: var(--ink); background: var(--surface); }
.login-field input:focus { border-color: var(--focus); }
.password-entry { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .5rem; }
.password-visibility { min-width: 5.5rem; min-height: 2.75rem; padding: .65rem .75rem; border: 1px solid #b8c6d8; border-radius: .65rem; color: var(--primary); background: var(--surface); font-weight: 700; }
.password-visibility:hover { background: var(--canvas); }
.field-help { margin: 0; color: var(--muted); font-size: .875rem; }
.login-submit { width: 100%; min-height: 2.75rem; padding: .75rem 1rem; border: 1px solid transparent; border-radius: .68rem; color: white; background: var(--primary); font-weight: 750; }
.login-submit:hover:not(:disabled) { background: var(--primary-hover); }
.login-feedback { padding: .85rem 1rem; border: 1px solid #f4aaa4; border-radius: .7rem; color: var(--danger); background: #fff3f2; overflow-wrap: anywhere; }
.login-status { margin: .75rem 0 0; color: var(--muted); }
.login-unavailable { padding: 1rem; border: 1px solid var(--line); border-radius: .7rem; background: var(--canvas); }
.login-unavailable h2 { margin: 0; font-size: 1rem; }
.login-unavailable p { margin: .4rem 0 0; color: var(--muted); }
.login-footer { margin: 1.5rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .875rem; }

@media (max-width: 24rem) {
  .password-entry { grid-template-columns: minmax(0, 1fr); }
  .password-visibility { justify-self: start; }
}