/* Same-origin authentication surfaces. Values follow frontend/src/styles/tokens.css. */
@font-face {
  font-family: "Hanken Grotesk Variable";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("./hanken-grotesk-latin-wght-normal.woff2") format("woff2");
}

:root {
  color-scheme: light;
  --bg: #f3f0e7;
  --surface: #fbf9f2;
  --surface-raised: #fffdf8;
  --ink: #202b33;
  --ink-2: #3e4b54;
  --muted: #66727a;
  --border: #d8d0bf;
  --border-strong: #c8beac;
  --action: #29475a;
  --action-hover: #1d3544;
  --danger: #b5443d;
  --font-sans: "Hanken Grotesk Variable", "Helvetica Neue", Arial, sans-serif;
  --radius-panel: 10px;
  --radius-control: 5px;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  margin: 0;
  color: var(--ink);
  font: 1rem/1.5 var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
::selection { color: var(--surface-raised); background: var(--action); }
:focus-visible { outline: 3px solid var(--action); outline-offset: 4px; }

.auth-page {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: max(32px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(32px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
}
.auth-frame { width: min(100%, 480px); }
.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin: 0 auto 28px;
  color: var(--ink);
  font-size: 1.375rem;
  font-weight: 750;
  letter-spacing: -.025em;
  text-decoration: none;
}
.auth-card {
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  background: var(--surface);
}
h1 {
  margin: 0 0 10px;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.16;
  text-wrap: balance;
}
.auth-intro { margin: 0 0 28px; color: var(--muted); }
.auth-card p { line-height: 1.5; }
form { margin: 0; }
.auth-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  border: 1px solid var(--action);
  border-radius: var(--radius-control);
  background: var(--action);
  color: var(--surface);
  font: 650 .9375rem/1.4 var(--font-sans);
  text-align: center;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 25%), 0 1px 2px rgb(18 36 48 / 16%);
  transition: background-color 150ms ease-out, border-color 150ms ease-out, box-shadow 150ms ease-out;
}
.auth-button svg { width: 20px; height: 20px; flex-shrink: 0; }
.auth-button:hover { background: var(--action-hover); border-color: var(--action-hover); }
.auth-button:active { box-shadow: inset 0 2px 4px rgb(18 36 48 / 20%); }
.auth-button:disabled { opacity: .6; cursor: wait; }
.auth-button--secondary {
  background: var(--surface-raised);
  border-color: var(--border-strong);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 88%), 0 1px 2px rgb(32 43 51 / 8%);
}
.auth-button--secondary:hover { background: var(--bg); border-color: var(--action); }
.auth-divider { display: flex; align-items: center; gap: 16px; margin: 20px 0; color: var(--muted); font-size: .8125rem; }
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.auth-notice { display: flex; align-items: center; justify-content: center; gap: 7px; margin: 28px 0 0; padding-top: 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: .8125rem; }
.auth-notice svg { width: 14px; height: 14px; flex-shrink: 0; }
.auth-caption { margin: 24px 0 0; color: var(--muted); font-size: .8125rem; text-align: center; text-wrap: balance; }
.auth-error { margin: 0 0 24px; padding: 12px 16px; border: 1px solid var(--danger); border-radius: var(--radius-control); color: var(--danger); background: var(--surface-raised); font-size: .875rem; }
.auth-card label { display: block; margin: 20px 0 7px; color: var(--ink-2); font-size: .875rem; font-weight: 650; }
.auth-card form > label:first-of-type { margin-top: 0; }
.auth-card input:not([type="hidden"]), .auth-card select {
  width: 100%;
  min-height: 48px;
  padding: 11px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--ink);
  caret-color: var(--action);
  font: 1rem/1.5 var(--font-sans);
}
.auth-card input:focus-visible, .auth-card select:focus-visible { outline-offset: 2px; border-color: var(--action); }
.auth-credentials .auth-button { margin-top: 28px; }
.auth-challenge { display: grid; justify-items: center; gap: 12px; margin: 24px 0; }
.auth-challenge .cf-turnstile { width: 100%; display: grid; justify-items: center; }
.auth-help { margin: 0 0 24px; color: var(--ink-2); font-size: .875rem; }
.auth-back { margin: 24px 0 0; text-align: center; font-size: .875rem; }
.auth-back a { color: var(--action); text-underline-offset: 4px; text-decoration-thickness: 1px; }
.auth-back a:hover { color: var(--action-hover); }
@media (max-width: 760px) {
  .auth-card { padding: 32px 24px; }
  .auth-brand { margin-bottom: 24px; }
  h1 { font-size: 1.9375rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}