/* Login and signup: one centred card. Colors come only from base.css tokens, so dark mode follows. */

body.auth { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; position: relative; overflow-x: hidden; }
body.auth::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 720px; pointer-events: none; z-index: -1;
  background: radial-gradient(45% 55% at 50% 20%, var(--brand-soft), transparent 70%), radial-gradient(25% 35% at 70% 40%, var(--accent-soft), transparent 70%);
}
.auth .nav { background: transparent; }
.nav-link { color: var(--ink-2); font-size: 14px; font-weight: 500; padding: 8px 12px; border-radius: 999px; transition: color .2s, background .2s; }
.nav-link:hover { color: var(--ink); background: var(--field); }

.auth-main { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 32px 16px 48px; }
.auth-card { width: 100%; max-width: 420px; background: var(--surface); border-radius: var(--r-xl); box-shadow: var(--shadow-lift); padding: 40px 36px 32px; }
.mark.lg { width: 48px; height: 48px; border-radius: 24%; font-size: 22px; margin-bottom: 24px; }
.auth-card h1 { margin: 0; font-size: 28px; line-height: 1.15; letter-spacing: -.035em; font-weight: 700; }
.auth-card .sub { margin: 8px 0 0; color: var(--ink-2); font-size: 15px; }
.auth-consent { margin: 20px 0 0; font-size: 12.5px; line-height: 1.65; color: var(--ink-2); }
.auth-consent a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* "Continue with Google", shown when the server has a Google client. */
.oauth { margin-top: 28px; }
.oauth[hidden] { display: none; }
.oauth .google { gap: 10px; padding: 14px 22px; }
.oauth .or { display: flex; align-items: center; gap: 12px; margin: 20px 0 0; color: var(--ink-2); font-size: 13px; }
.oauth .or::before, .oauth .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.oauth:not([hidden]) + form[data-auth] { margin-top: 20px; }
form[data-auth] { display: grid; gap: 16px; margin-top: 28px; }
form[data-auth] .btn { margin-top: 6px; padding: 15px 22px; }
/* /verify: the emailed 6-digit code. */
form[data-auth] .field[hidden] { display: none; }
.pw-opt { justify-self: start; font-size: 13.5px; font-weight: 600; margin-top: -4px; }
.pw-opt[hidden] { display: none; }
form[data-auth] input[name="code"] { font-size: 22px; letter-spacing: 8px; text-align: center; font-variant-numeric: tabular-nums; }

.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; }
.input { position: relative; }
.input input {
  width: 100%; height: 48px; border: 0; border-radius: var(--r-md); padding: 0 14px; background: var(--field); color: var(--ink);
  font: inherit; font-size: 16px; outline: none; box-shadow: inset 0 0 0 1px transparent; transition: box-shadow .2s, background .2s;
}
.input.has-btn input { padding-right: 48px; }
.input input:hover { background: var(--field-hover); }
.input input:focus { background: var(--surface); box-shadow: inset 0 0 0 1.5px var(--accent), 0 0 0 4px var(--accent-soft); }
.input input[aria-invalid="true"] { background: var(--surface); box-shadow: inset 0 0 0 1.5px var(--danger), 0 0 0 4px var(--danger-soft); }
.pw-toggle { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; border: 0; border-radius: 10px; background: transparent; color: var(--ink-3); display: grid; place-items: center; cursor: pointer; transition: color .2s, background .2s; }
.pw-toggle:hover { color: var(--ink); background: var(--field-hover); }
.pw-toggle .eye-off { display: none; }
.pw-toggle[aria-pressed="true"] .eye { display: none; }
.pw-toggle[aria-pressed="true"] .eye-off { display: block; }
.hint { margin: 7px 0 0; color: var(--ink-3); font-size: 12.5px; }
.err { margin: 7px 0 0; color: var(--danger); font-size: 13px; font-weight: 500; }
.err[hidden], .form-err[hidden] { display: none; }
.err:not([hidden]) + .hint, .hint:has(+ .err:not([hidden])) { display: none; }

.form-err {
  display: flex; align-items: flex-start; gap: 10px; margin-top: 22px; padding: 12px 14px; border-radius: var(--r-md);
  background: var(--danger-soft); color: var(--danger); font-size: 14px; font-weight: 500; line-height: 1.45; animation: rise .35s var(--ease);
}
.form-err svg { flex: none; margin-top: 1px; }

.switch { margin: 24px 0 0; padding-top: 20px; border-top: 1px solid var(--line); text-align: center; color: var(--ink-2); font-size: 14.5px; }
.switch a { font-weight: 600; }
.switch a:hover, .auth-fine a:hover, .auth-foot a:hover { text-decoration: underline; }
.auth-fine { max-width: 420px; margin: 20px 0 0; text-align: center; color: var(--ink-3); font-size: 12.5px; line-height: 1.5; }

.auth-foot { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 20px; padding: 20px 16px 28px; color: var(--ink-3); font-size: 12.5px; }
.auth-foot a { color: var(--ink-2); }

@media (max-width: 480px) {
  .auth-main { justify-content: flex-start; padding-top: 16px; }
  .auth-card { padding: 32px 22px 24px; border-radius: 24px; }
  .auth-card h1 { font-size: 26px; }
}