/* auth.css — sign-in and sign-up (the landing's #get-started panel and
   /login, /signup), the account flows (/device, /verify-email,
   /reset-password) and the form controls the account pages reuse
   (.auth-input, .auth-field, .auth-check, .auth-alert). */

/* ---------- Card and tabs ---------- */
.auth-card {
  position: relative; border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); box-shadow: var(--shadow-pop); overflow: hidden;
}
.auth-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--fizz), var(--citrus), var(--grape));
}
.auth-tabs { position: relative; display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--border); }
.auth-tab {
  appearance: none; border: 0; background: transparent; padding: 18px 12px 16px;
  font: 700 16px/22px var(--font-display); color: var(--ink-muted); cursor: pointer; transition: color .2s ease;
}
.auth-tab:hover { color: var(--ink); }
.auth-tab[aria-selected="true"] { color: var(--ink); }
.auth-tab:focus-visible { outline: 2px solid var(--focus); outline-offset: -4px; border-radius: var(--radius-md); }
.auth-tabs__ink {
  position: absolute; bottom: -1px; left: 0; width: 50%; height: 3px; border-radius: 3px 3px 0 0;
  background: var(--fizz); transition: transform .35s var(--ease-out, ease);
}
.auth-tabs__ink.is-right { transform: translateX(100%); }
.auth-body { padding: var(--space-6); display: grid; gap: var(--space-4); }
@media (max-width: 480px) { .auth-body { padding: var(--space-4); } }
@media (prefers-reduced-motion: no-preference) {
  .auth-body > .auth-form, .auth-body > .auth-done { animation: auth-in .35s var(--ease-out, ease) both; }
}
@keyframes auth-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- Form ---------- */
.auth-form { display: grid; gap: var(--space-4); min-width: 0; }
.auth-form__title { font: 700 20px/28px var(--font-display); margin: 0; }
.auth-intro { margin: 0; color: var(--ink-muted); font-size: 14px; line-height: 22px; }
.auth-grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
@media (max-width: 420px) { .auth-grid2 { grid-template-columns: minmax(0, 1fr); } }

.auth-field { display: grid; gap: 6px; min-width: 0; }
.auth-field__label { font: 600 13px/20px var(--font-sans); color: var(--ink); }
.auth-field__opt { font-weight: 400; color: var(--ink-muted); }
.auth-field__hint { margin: 0; font-size: 12px; line-height: 18px; color: var(--ink-muted); }
.auth-field__error { margin: 0; display: flex; gap: 6px; align-items: baseline; font: 600 13px/18px var(--font-sans); color: var(--danger-text); }

.auth-input {
  width: 100%; min-width: 0; min-height: 46px; padding: 11px 14px;
  font: 400 15px/22px var(--font-sans); color: var(--ink); background: var(--bg);
  border: 1.5px solid var(--border-strong); border-radius: var(--radius-md);
  transition: border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.auth-input::placeholder { color: var(--ink-muted); opacity: .8; }
.auth-input:hover { border-color: var(--ink-muted); }
.auth-input:focus, .auth-input:focus-visible {
  outline: none; border-color: var(--grape);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--grape) 28%, transparent);
}
.auth-input[aria-invalid="true"], .is-invalid .auth-input { border-color: var(--danger-text); }
.auth-input[aria-invalid="true"]:focus { box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger-text) 25%, transparent); }
.auth-textarea { min-height: 84px; resize: vertical; }
.auth-input:-webkit-autofill { -webkit-text-fill-color: var(--ink); box-shadow: 0 0 0 40px var(--bg) inset; }

.auth-pw { position: relative; }
.auth-pw .auth-input { padding-right: 48px; }
.auth-pw__toggle {
  position: absolute; top: 50%; right: 6px; transform: translateY(-50%); width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: var(--radius-sm);
  background: transparent; color: var(--ink-muted);
}
.auth-pw__toggle:hover { color: var(--ink); background: var(--surface-raised); }
.auth-pw__toggle:focus-visible { outline: 2px solid var(--focus); outline-offset: 0; }

/* strength meter */
.auth-meter { display: grid; gap: 6px; margin-top: 2px; }
.auth-meter__bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.auth-meter__bar span { height: 4px; border-radius: 4px; background: var(--surface-raised); transition: background-color .3s ease; }
.auth-meter--1 .auth-meter__bar .on { background: var(--sev-critical); }
.auth-meter--2 .auth-meter__bar .on { background: var(--sev-high); }
.auth-meter--3 .auth-meter__bar .on { background: var(--sev-medium); }
.auth-meter--4 .auth-meter__bar .on { background: var(--patched); }
.auth-meter__text { margin: 0; font-size: 12px; line-height: 18px; color: var(--ink-muted); }

/* consent */
.auth-consent { border: 0; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.auth-check { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 10px; align-items: start; font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.auth-check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--fizz); cursor: pointer; }
.auth-check label { cursor: pointer; }
.auth-check a { color: var(--grape); }
.auth-consent.is-invalid .auth-check input { outline: 2px solid var(--danger-text); outline-offset: 1px; border-radius: 3px; }

.auth-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2); margin-top: -6px; }
.auth-link {
  appearance: none; border: 0; background: none; padding: 2px 0; cursor: pointer;
  font: 600 14px/20px var(--font-sans); color: var(--grape); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px;
}
.auth-link:hover { text-decoration-thickness: 2px; }
.auth-link:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
.auth-submit { width: 100%; min-height: 48px; font-size: 16px; }
.auth-submit > i { transition: transform .25s ease; }
.auth-submit:hover > i { transform: translateX(3px); }
.auth-switch { margin: 0; text-align: center; color: var(--ink-muted); font-size: 14px; }
.auth-fine { margin: 0; display: flex; gap: 8px; align-items: baseline; font-size: 12px; line-height: 18px; color: var(--ink-muted); }

.auth-spinner {
  width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent;
  display: inline-block; animation: auth-spin .7s linear infinite;
}
@keyframes auth-spin { to { transform: rotate(360deg); } }

/* ---------- Alternatives: passkey, Google, separator ---------- */
.auth-alts { display: grid; gap: var(--space-3); }
.auth-passkey { display: grid; gap: 6px; }
.auth-alt { width: 100%; min-height: 46px; }
.auth-alt > i { color: var(--fizz-text); font-size: 18px; }
.auth-or { display: flex; align-items: center; gap: var(--space-3); color: var(--ink-muted); font-size: 12px; letter-spacing: .04em; }
.auth-or::before, .auth-or::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* Google's button (branding guidelines: the standard "G" on white, Roboto
   Medium 14px, #747775 outline in light; #131314 fill, #8E918F outline in
   dark). */
.gsi-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 44px;
  padding: 0 12px; border-radius: 4px; text-decoration: none; cursor: pointer;
  background: #ffffff; border: 1px solid #747775; color: #1f1f1f;
  font: 500 14px/20px "Roboto", var(--font-sans); letter-spacing: .25px;
  transition: background-color .2s ease, box-shadow .2s ease;
}
.gsi-btn:hover { color: #1f1f1f; text-decoration: none; background: #f8f9fa; box-shadow: 0 1px 2px rgba(60, 64, 67, .3), 0 1px 3px 1px rgba(60, 64, 67, .15); }
.gsi-btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.gsi-btn__icon { display: inline-flex; width: 20px; height: 20px; }
.gsi-btn__text { white-space: nowrap; }
:root[data-theme="dark"] .gsi-btn, :root:not([data-theme]) .gsi-btn { background: #131314; border-color: #8e918f; color: #e3e3e3; }
:root[data-theme="dark"] .gsi-btn:hover, :root:not([data-theme]) .gsi-btn:hover { background: #1c1c1e; color: #e3e3e3; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .gsi-btn { background: #ffffff; border-color: #747775; color: #1f1f1f; }
}
.gsi-btn--inline { width: auto; }

/* ---------- Messages ---------- */
.auth-alert {
  display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: var(--radius-md);
  background: var(--danger-wash); color: var(--danger-text); border: 1px solid color-mix(in srgb, var(--danger-text) 30%, transparent);
  font-size: 14px; line-height: 20px;
}
.auth-alert > i { margin-top: 2px; }
.auth-alert > span { color: var(--ink); }
.auth-done { display: grid; gap: var(--space-3); justify-items: center; text-align: center; padding: var(--space-4) 0; }
.auth-done__icon { font-size: 40px; color: var(--patched); }
.auth-done__title { font: 700 22px/28px var(--font-display); margin: 0; }
.auth-done p { margin: 0; color: var(--ink-muted); max-width: 40ch; }

.auth-turnstile { display: grid; gap: 6px; min-height: 65px; }
.auth-turnstile__slot { min-height: 65px; }

/* ---------- Standalone /login, /signup and the device page ---------- */
.auth-page { min-height: calc(100vh - 160px); display: grid; align-items: center; }
.auth-page__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 480px); gap: var(--space-12); align-items: center; }
.auth-page__points { display: grid; gap: var(--space-3); margin-top: var(--space-6); }
.auth-page__points li { display: flex; gap: var(--space-3); align-items: baseline; color: var(--ink-muted); }
.auth-page__points i { color: var(--fizz-text); width: 20px; text-align: center; }
@media (max-width: 900px) {
  .auth-page__inner { grid-template-columns: minmax(0, 1fr); gap: var(--space-6); }
  .auth-page__copy .site-lead, .auth-page__points { display: none; }
}

/* ---------- Flow cards (/device, /verify-email, /reset-password) ---------- */
.flow__wrap { display: grid; justify-items: center; }
.flow__card {
  width: 100%; max-width: 520px; display: grid; gap: var(--space-4); justify-items: start;
  padding: var(--space-8); border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); box-shadow: var(--shadow-pop);
}
.flow__card p { margin: 0; color: var(--ink-muted); }
.flow__icon {
  width: 52px; height: 52px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 16px; background: var(--grape-wash); color: var(--grape); font-size: 22px;
}
.flow__card--ok .flow__icon { background: var(--patched-wash); color: var(--patched); }
.flow__card--warn .flow__icon { background: var(--warn-wash); color: var(--warn-text); }
.flow__card--error .flow__icon { background: var(--danger-wash); color: var(--danger-text); }
.flow__title { margin: 0; }
.flow__form { width: 100%; }
.flow__code {
  width: 100%; text-align: center; padding: var(--space-4); border-radius: var(--radius-md);
  background: var(--bg); border: 1px dashed var(--border-strong);
  font: 700 clamp(26px, 6vw, 34px)/1.2 var(--font-mono); letter-spacing: .18em; color: var(--ink) !important;
}
.flow__codeinput { font: 700 22px/28px var(--font-mono); letter-spacing: .2em; text-transform: uppercase; text-align: center; }
.flow__facts { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: var(--space-1) var(--space-4); margin: 0; width: 100%; font-size: 14px; }
.flow__facts dt { color: var(--ink-muted); }
.flow__facts dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
@media (max-width: 480px) { .flow__card { padding: var(--space-6) var(--space-4); } }