/* WP50 auth screens. Tokens only (tokens.css); shared components live in ui.css. */

/* Sign in and set password: a brand panel beside the card, full bleed (overrides the anonymous main's centring). */
main.cb-main.auth-main:has(> .auth) { display: block; padding: 0; }
main.cb-main.auth-main > .auth { max-width: none; margin: 0; }
.auth {
  display: grid; grid-template-columns: minmax(360px, 5fr) 7fr; min-height: 100dvh;
}

/* brand panel */
.auth-brand {
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; flex-direction: column; justify-content: space-between; gap: var(--sp-8);
  padding: var(--sp-10) clamp(var(--sp-8), 4vw, 64px);
  background: var(--surface-sunken); border-right: 1px solid var(--border);
}
.auth-brand::before { /* soft accent light from the top left */
  content: ""; position: absolute; inset: -20% -10% auto -30%; height: 75%; z-index: -1;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 16%, transparent), transparent);
}
.auth-brand::after { /* a faint dot grid, faded out towards the bottom */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(color-mix(in srgb, var(--text) 12%, transparent) 1px, transparent 1.2px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 70%); mask-image: linear-gradient(to bottom, #000 0%, transparent 70%);
}
.auth-logo { display: flex; align-items: center; gap: var(--sp-3); }
.auth-mark { width: 40px; height: 40px; border-radius: 11px; box-shadow: var(--shadow-low); }
.auth-wordmark { font-size: var(--fs-xl); font-weight: 650; letter-spacing: -0.025em; color: var(--text); }
.auth-pitch { max-width: 440px; }
.auth-headline {
  margin: 0 0 var(--sp-6); font-size: clamp(24px, 2.4vw, 32px); font-weight: 600; line-height: 1.18;
  letter-spacing: -0.03em; color: var(--text); text-wrap: balance;
}
.auth-points { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sp-3); }
.auth-points li { display: flex; align-items: flex-start; gap: var(--sp-3); font-size: var(--fs-md); color: var(--text-secondary); line-height: 1.45; }
.auth-points .icon {
  width: 28px; height: 28px; padding: 6px; margin-top: -4px; border-radius: 8px;
  background: var(--surface); border: 1px solid var(--border); color: var(--accent-text);
}
.auth-foot { margin: 0; font-size: var(--fs-sm); color: var(--text-muted); }

/* the card side */
.auth-panel {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--sp-6);
  padding: var(--sp-10) var(--sp-6); background: var(--surface-page);
}
.auth-card { width: min(380px, 100%); }
.auth-theme { width: 264px; margin: 0; }

/* the form (also Change Password, inside the shell) */
.auth-form, body.is-anon form.auth-form {
  display: flex; flex-direction: column; gap: var(--sp-4); width: 100%; max-width: none; margin: 0;
  padding: var(--sp-8); border: 1px solid var(--border); border-radius: 14px;
  background: var(--surface); box-shadow: var(--shadow-float);
}
.auth-solo { width: min(420px, 100%); margin: var(--sp-8) auto 0; }
.auth-form h1 { margin: 0; font-size: var(--fs-2xl); font-weight: 650; text-align: left; }
.auth-sub { margin: calc(var(--sp-2) * -1) 0 var(--sp-2); color: var(--text-muted); font-size: var(--fs-body); }
.auth-form label {
  display: grid; gap: 6px; margin: 0;
  font-size: var(--fs-sm); font-weight: 550; letter-spacing: 0; text-transform: none; color: var(--text-secondary);
}
.auth-form input {
  width: 100%; height: 38px; padding: 0 var(--sp-3);
  font: 450 var(--fs-md) / 1 var(--font-ui); color: var(--text);
  background: var(--surface); border: 1px solid var(--border-input); border-radius: var(--r-ctrl);
  transition: border-color var(--dur-1) var(--ease-out), box-shadow var(--dur-1) var(--ease-out);
}
.auth-form input:hover { border-color: var(--border-strong); }
.auth-form input:focus { outline: none; border-color: var(--accent); box-shadow: var(--focus-ring); }
.auth-form input[aria-invalid="true"] { border-color: var(--danger); }
.auth-form input[aria-invalid="true"]:focus { box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 25%, transparent); }
.auth-field { display: grid; gap: 6px; }

/* password: the eye button sits inside the field */
.pw-row { position: relative; }
.pw-row input { padding-right: 40px; }
.pw-toggle {
  position: absolute; right: 3px; bottom: 3px; display: grid; place-items: center; width: 32px; height: 32px; padding: 0;
  border: 0; border-radius: 5px; background: transparent; color: var(--text-muted); cursor: pointer;
  transition: background var(--dur-1) var(--ease-out), color var(--dur-1) var(--ease-out);
}
.pw-toggle:hover { background: var(--surface-hover); color: var(--text); }
.pw-toggle .pw-hide, .pw-toggle[aria-pressed="true"] .pw-show { display: none; }
.pw-toggle[aria-pressed="true"] .pw-hide { display: block; }

/* inline messages */
.auth-form .field-error, .auth-caps { display: flex; align-items: center; gap: 6px; margin: 0; font-size: var(--fs-sm); line-height: 1.35; }
.auth-form .field-error { color: var(--danger); }
.auth-form .field-error[hidden], .auth-caps[hidden] { display: none; }
.auth-caps { color: var(--warning); }
.auth-caps .icon { width: 14px; height: 14px; }
.auth-alert, .auth-form .kit-error {
  display: flex; align-items: flex-start; gap: var(--sp-2); margin: 0; padding: 10px var(--sp-3);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, var(--border)); border-radius: var(--r-ctrl);
  background: var(--danger-subtle); color: var(--danger); font-size: var(--fs-body); font-weight: 500; line-height: 1.4;
}
.auth-alert .icon { margin-top: 1px; }

/* the primary button: beats kit.css's button[type=submit] */
.auth-form .auth-submit {
  width: 100%; height: 40px; margin-top: var(--sp-2); padding: 0 var(--sp-4); gap: var(--sp-2);
  font: 600 var(--fs-md) / 1 var(--font-ui); border-radius: var(--r-ctrl); box-shadow: var(--shadow-low);
  background: var(--accent); border: 1px solid var(--accent); color: var(--text-on-accent);
  transition: background var(--dur-1) var(--ease-out), border-color var(--dur-1) var(--ease-out);
}
.auth-form .auth-submit:hover { background: var(--accent-hover); border-color: var(--accent-hover); box-shadow: var(--shadow-low); }
.auth-form .auth-submit:active { background: var(--accent-active); }
.auth-form .auth-submit:focus-visible { box-shadow: var(--focus-ring); }
.auth-submit kbd { border-color: currentColor; color: inherit; background: transparent; opacity: 0.65; }
.auth-submit[aria-busy="true"] > *, .htmx-request .auth-submit > * { visibility: hidden; }

/* entrance: a short rise, once; nothing under reduced motion */
@media (prefers-reduced-motion: no-preference) {
  .auth-card { animation: auth-rise 420ms var(--ease-out) both; }
  .auth-pitch { animation: auth-rise 520ms 60ms var(--ease-out) both; }
}
@keyframes auth-rise { from { opacity: 0; transform: translateY(10px); } }

/* phones and small tablets: the brand panel becomes a slim header */
@media (max-width: 900px) {
  .auth { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; }
  .auth-brand { padding: var(--sp-4) var(--sp-4); border-right: 0; border-bottom: 1px solid var(--border); gap: 0; }
  .auth-brand::after, .auth-pitch, .auth-foot { display: none; }
  .auth-mark { width: 32px; height: 32px; border-radius: 9px; }
  .auth-wordmark { font-size: var(--fs-lg); }
  .auth-panel { justify-content: flex-start; padding: var(--sp-6) var(--sp-4) var(--sp-8); }
  .auth-form, body.is-anon form.auth-form { padding: var(--sp-6) var(--sp-5); }
  .auth-theme { width: 100%; max-width: 380px; }
}
@media (pointer: coarse) { .auth-submit kbd { display: none; } }