/* =============================================================================
   LEarn2arn — shared auth form + account shell (multi-login, update-account-details, update-credentials, …)
   Base .field-input lives in main.css; rules below override for auth forms.
   ============================================================================= */

/* ----- Auth page shell (section background + headings) ----- */
.section-auth-page {
  background:
    radial-gradient(ellipse 55% 70% at 50% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 62%),
    radial-gradient(ellipse 45% 55% at 85% 100%, color-mix(in srgb, var(--btn-primary-bg) 14%, transparent), transparent 58%),
    var(--bg-elevated);
  padding-block: clamp(2rem, 5vw, var(--space-6));
}

.section-auth-page .section-kicker {
  text-align: center;
}

.section-auth-page h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
  text-align: center;
  margin-bottom: var(--space-2);
}

.section-auth-page .section-lead {
  text-align: center;
  max-width: 42rem;
  margin-inline: auto;
}

/* ----- Login card (form container) ----- */
.login-card {
  width: 100%;
  max-width: var(--max-w);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius-lg) + 0.25rem);
  background: var(--surface);
  box-shadow: var(--shadow), 0 0 0 1px color-mix(in srgb, var(--accent) 8%, transparent);
  animation: auth-form-card-rise 0.7s var(--ease) both;
  text-align: left;
}

/* Account submenu pages: stretch cards to the full .section-inner column */
.section-auth-page .section-inner:not(.section-inner--center) {
  align-items: stretch;
  justify-items: stretch;
  text-align: left;
}

.section-auth-page .section-inner:not(.section-inner--center) > h1,
.section-auth-page .section-inner:not(.section-inner--center) > .section-kicker,
.section-auth-page .section-inner:not(.section-inner--center) > .section-lead {
  text-align: center;
}

.section-auth-page .login-form {
  width: 100%;
  text-align: left;
}

.login-card__eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
}

.login-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  letter-spacing: -0.035em;
  margin-bottom: 0.4rem;
}

.login-card__lead {
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}

/* ----- Status alerts + password-save notice ----- */
.login-alert {
  margin-bottom: var(--space-3);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
}

.login-alert[data-tone="error"] {
  background: color-mix(in srgb, #e11d48 12%, var(--surface));
  border-color: color-mix(in srgb, #e11d48 35%, var(--border));
  color: color-mix(in srgb, #9f1239 70%, var(--text));
}

.login-alert[data-tone="info"] {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.login-alert.credentials-password-notice {
  max-width: 100%;
  overflow: hidden;
}

.login-alert.credentials-password-notice[hidden] {
  display: none !important;
}

.credentials-password-notice {
  display: grid;
  gap: 0.55rem;
  font-weight: 500;
  line-height: 1.45;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.credentials-password-notice__title {
  margin: 0;
  font-size: 1rem;
}

.credentials-password-notice__meta,
.credentials-password-notice__secret,
.credentials-password-notice__hash-wrap {
  margin: 0;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.credentials-password-notice__hash {
  display: block;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  margin: 0.35rem 0 0;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  overflow-wrap: anywhere;
  word-break: break-all;
  white-space: normal;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82em;
  font-weight: 600;
  line-height: 1.35;
}

.credentials-password-reveal {
  border: 1px dashed color-mix(in srgb, var(--accent) 55%, var(--border));
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 14%, var(--surface));
  color: var(--text);
  padding: 0.15rem 0.5rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.credentials-password-reveal:hover {
  border-style: solid;
  background: color-mix(in srgb, var(--accent) 22%, var(--surface));
}

.credentials-password-reveal:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.credentials-password-reveal__value {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 700;
  line-height: 1.2;
}

.credentials-password-reveal__value.is-revealed {
  font-size: 1.5em;
  margin-inline: 0.2rem 0.45rem;
  vertical-align: baseline;
}

.credentials-password-lock-countdown {
  font-size: 1.2em;
  font-weight: 500;
  line-height: 1.2;
}

/* ----- Friendly reminder fold (password lock notice) ----- */
.friendly-reminder-fold {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.15rem;
}

.friendly-reminder-fold[hidden] {
  display: none !important;
}

.friendly-reminder-fold__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  width: fit-content;
  max-width: 100%;
  margin: 0;
  padding: 0.2rem 0.15rem;
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
}

.friendly-reminder-fold__toggle:hover {
  color: color-mix(in srgb, var(--accent) 78%, var(--text));
}

.friendly-reminder-fold__toggle:focus-visible {
  outline: none;
  border-radius: var(--radius-sm);
  box-shadow: var(--focus-ring);
}

.friendly-reminder-fold__marker {
  display: inline-grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1;
}

.friendly-reminder-fold__label {
  letter-spacing: 0.01em;
}

.friendly-reminder-fold__body {
  margin: 0;
}

.friendly-reminder-fold__body[hidden] {
  display: none !important;
}

/* ----- Form fields, validation, password toggle ----- */
.login-form {
  display: grid;
  gap: var(--space-3);
}

/* Keeps delayed field groups in the parent form grid when revealed */
.login-form-reveal {
  display: contents;
}

.login-form-reveal[hidden] {
  display: none !important;
}

.login-field {
  display: grid;
  gap: 0.45rem;
}

.login-field[hidden] {
  display: none !important;
}

.login-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.login-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}

.login-control {
  position: relative;
}

.login-field .field-input {
  width: 100%;
  min-height: 3.1rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--bg) 70%, var(--surface));
  color: var(--text);
  font: inherit;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease);
}

.login-field .field-input::placeholder {
  color: var(--text-muted);
}

.login-field .field-input:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border-strong));
}

.login-field .field-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--focus-ring);
  background: var(--surface);
}

.login-field.is-invalid .field-input {
  border-color: #e11d48;
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.18);
}

.login-field.is-valid .field-input {
  border-color: #16a34a;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.18);
}

.login-field .field-input--code {
  letter-spacing: 0.03em;
  font-variant-numeric: tabular-nums;
}

/* ----- Referral code preview (generate-referral-code page) ----- */
.referral-code-preview {
  min-height: 3.1rem;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 0.75rem 1rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--bg) 70%, var(--surface));
  color: var(--text);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.referral-code-preview.is-empty {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: none;
}

.login-field .field-input:disabled,
.login-field .field-input.is-locked {
  opacity: 0.72;
  cursor: not-allowed;
  background: color-mix(in srgb, var(--surface-muted, var(--surface)) 88%, var(--text-muted));
  border-color: var(--border);
  color: var(--text-secondary);
}

.login-hint--locked {
  color: var(--text-secondary);
  font-style: italic;
}

.login-hint--locked.highlight {
  font-style: normal;
  color: var(--highlight-fg);
}

.login-hint--note {
  margin-top: 0.25rem;
}

.login-field-warning {
  width: 100%;
  margin: 0.5rem 0 0;
  padding: 0.55rem 0.75rem;
  font-size: calc(0.78rem * 1.8);
  line-height: 1.45;
  font-weight: 600;
  box-shadow: none;
}

.login-field-warning[hidden] {
  display: none !important;
}

.login-control--password .field-input {
  padding-right: 3.1rem;
}

.login-toggle {
  position: absolute;
  top: 50%;
  right: 0.45rem;
  transform: translateY(-50%);
  width: 2.35rem;
  height: 2.35rem;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}

.login-toggle:hover,
.login-toggle[aria-pressed="true"] {
  color: var(--accent);
  background: var(--accent-soft);
}

.login-toggle__icon {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
}

.login-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.login-error {
  font-size: 0.82rem;
  font-weight: 600;
  color: #e11d48;
}

.login-error.field-status--ok {
  color: #15803d;
}

.login-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.login-check {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  cursor: pointer;
  user-select: none;
  font-size: 0.92rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.login-check input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.login-check__box {
  width: 1.15rem;
  height: 1.15rem;
  border: 1.5px solid var(--border-strong);
  border-radius: 0.35rem;
  background: var(--surface);
  position: relative;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.login-check input:checked + .login-check__box {
  background: var(--accent);
  border-color: var(--accent);
}

.login-check input:checked + .login-check__box::after {
  content: "";
  position: absolute;
  left: 0.28rem;
  top: 0.08rem;
  width: 0.32rem;
  height: 0.58rem;
  border: solid var(--accent-contrast);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.login-check input:focus-visible + .login-check__box {
  box-shadow: var(--focus-ring);
}

.login-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.login-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

/* ----- Submit button + loading spinner ----- */
.login-now-btn {
  width: 100%;
  min-height: 3.15rem;
  position: relative;
  overflow: hidden;
}

.login-now-btn.is-loading {
  pointer-events: none;
  opacity: 0.88;
}

.login-now-btn.is-loading .login-now-btn__label {
  opacity: 0;
}

.login-now-btn__spinner {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--btn-primary-fg) 35%, transparent);
  border-top-color: var(--btn-primary-fg);
  opacity: 0;
}

.login-now-btn.is-loading .login-now-btn__spinner {
  opacity: 1;
  animation: auth-form-spin 0.7s linear infinite;
}

[data-theme="linux"] .login-toggle__icon,
[data-theme="macos"] .login-toggle__icon {
  filter: invert(0.92);
}

[data-theme="windows"] .login-toggle__icon {
  filter: none;
}

@keyframes auth-form-card-rise {
  from {
    opacity: 0;
    transform: translateY(1rem) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes auth-form-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 767px) {
  .login-now-btn {
    width: 80%;
    max-width: 100%;
    display: flex;
    margin-inline: auto;
    box-sizing: border-box;
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-card,
  .login-now-btn__spinner {
    animation: none !important;
  }
}

/* ----- Linked social providers (Account Details) ----- */
.account-linked-card {
  margin-top: 1.25rem;
}

.account-linked-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.account-linked-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 88%, var(--bg));
}

.account-linked-row__meta {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.account-linked-row__meta img {
  width: 1.25rem;
  height: 1.25rem;
  object-fit: contain;
  flex-shrink: 0;
}

.account-linked-row__label {
  font-weight: 700;
  color: var(--text);
}

.account-linked-row__detail {
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 500;
}

.account-linked-row__status {
  font-size: 0.82rem;
  font-weight: 700;
  color: color-mix(in srgb, var(--accent) 75%, var(--text));
}

.account-linked-row__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.4rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.account-linked-row__link:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border-strong));
  box-shadow: 0 8px 18px color-mix(in srgb, var(--accent) 14%, transparent);
}