/* Auth pages (sign in, password reset, etc.) */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--md-sys-color-surface);
  padding: 2rem;
}

/* The same centred card on a signed-in page (Upload Invoice), under the app
   bar: fill the rest of the window, not a full extra screen. */
.auth-page--in-app { min-height: calc(100vh - var(--nav-height)); }

/* M3 filled card: a tonal container on the surface, no border or shadow. */
.auth-card {
  background: var(--md-sys-color-surface-container-low);
  border: none;
  border-radius: var(--md-sys-shape-corner-extra-large);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
}

.auth-logo {
  display: block;
  margin: 0 auto 2rem;
  width: 200px;
}

.auth-logo img {
  width: 100%;
  height: auto;
}

.auth-heading {
  font: var(--md-sys-typescale-headline-small);
  letter-spacing: var(--md-sys-typescale-headline-small-tracking);
  color: var(--md-sys-color-on-surface);
  text-align: center;
  margin-bottom: 0.5rem;
}

.auth-hint {
  font: var(--md-sys-typescale-body-medium);
  letter-spacing: var(--md-sys-typescale-body-medium-tracking);
  color: var(--md-sys-color-on-surface-variant);
  text-align: center;
  margin-bottom: 1.5rem;
}

.auth-card #error_explanation {
  background: var(--md-sys-color-error-container);
  border: none;
  color: var(--md-sys-color-on-error-container);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 1rem;
  font: var(--md-sys-typescale-body-medium);
  letter-spacing: var(--md-sys-typescale-body-medium-tracking);
}

.auth-card #error_explanation h2 {
  font: var(--md-sys-typescale-title-small);
  letter-spacing: var(--md-sys-typescale-title-small-tracking);
  margin-bottom: 0.35rem;
}

.auth-card #error_explanation ul {
  margin: 0;
  padding-left: 1.1rem;
}

/* Devise wraps invalid fields in div.field_with_errors, which breaks the
   .auth-field flex stretch — flatten the wrapper out of the layout. */
.auth-field .field_with_errors {
  display: contents;
}

.auth-alert {
  background: var(--md-sys-color-error-container);
  border: none;
  color: var(--md-sys-color-on-error-container);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 1rem;
  font: var(--md-sys-typescale-body-medium);
  letter-spacing: var(--md-sys-typescale-body-medium-tracking);
  margin-bottom: 1.25rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.auth-field label {
  font: var(--md-sys-typescale-body-small);
  letter-spacing: var(--md-sys-typescale-body-small-tracking);
  color: var(--md-sys-color-on-surface-variant);
}

/* M3 outlined text field (48px, for forms). A file input keeps base.css's
   file-picker look instead. */
.auth-field input:not([type="file"]) {
  height: 48px;
  padding: 0 16px;
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-corner-extra-small);
  font: var(--md-sys-typescale-body-large);
  letter-spacing: var(--md-sys-typescale-body-large-tracking);
  color: var(--md-sys-color-on-surface);
  background: var(--md-sys-color-surface-container-lowest);
  transition:
    border-color var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard),
    box-shadow var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
  outline: none;
}

.auth-field input:not([type="file"]):hover {
  border-color: var(--md-sys-color-on-surface);
}

.auth-field input:not([type="file"]):focus {
  border-color: var(--md-sys-color-primary);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-primary);
}

/* M3 supporting text: starts at the control's leading edge, not centred with
   the card's headline. */
.auth-field-hint {
  font: var(--md-sys-typescale-body-small);
  letter-spacing: var(--md-sys-typescale-body-small-tracking);
  color: var(--md-sys-color-on-surface-variant);
  text-align: left;
}

.auth-remember {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font: var(--md-sys-typescale-body-medium);
  letter-spacing: var(--md-sys-typescale-body-medium-tracking);
  color: var(--md-sys-color-on-surface-variant);
}

/* M3 outlined button with a leading logo (16px leading padding). The hover
   state layer comes from the shared .btn rule, so no background is set here. */
.auth-microsoft {
  width: 100%;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 24px 0 16px;
  font: var(--md-sys-typescale-label-large);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  background-color: transparent;
  color: var(--md-sys-color-primary);
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-corner-full);
  box-shadow: none;
}

.auth-microsoft-hint {
  margin-top: 0.6rem;
  margin-bottom: 0;
}

.auth-microsoft-hint strong,
.auth-hint strong {
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0 1.25rem;
  font: var(--md-sys-typescale-body-medium);
  letter-spacing: var(--md-sys-typescale-body-medium-tracking);
  color: var(--md-sys-color-on-surface-variant);
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

.auth-submit {
  width: 100%;
  min-height: 40px;
  padding: 0 24px;
  font: var(--md-sys-typescale-label-large);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  margin-top: 0.25rem;
  text-align: center;
}

/* Connect-Claude consent: Deny left, Allow right. */
.auth-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.auth-links {
  margin-top: 1.25rem;
  text-align: center;
  font: var(--md-sys-typescale-body-medium);
  letter-spacing: var(--md-sys-typescale-body-medium-tracking);
}

.auth-links a {
  color: var(--md-sys-color-primary);
  text-decoration: none;
}

.auth-links a:hover {
  text-decoration: underline;
}