:root {
  --auth-bg: var(--color-bg);
  --auth-panel: color-mix(in srgb, var(--color-surface) 94%, transparent);
  --auth-border: color-mix(in srgb, var(--color-border) 60%, transparent);
  --auth-text: var(--color-text);
  --auth-text-soft: var(--color-muted);
  --auth-primary: var(--color-primary);
  --auth-primary-soft: var(--color-primary-soft);
  --auth-focus: var(--color-primary-soft);
  --auth-shadow: var(--shadow-lg);
}

html[data-theme="dark"] {
  --auth-panel: color-mix(in srgb, var(--color-surface) 94%, transparent);
  --auth-shadow: 0 18px 48px rgba(0, 0, 0, 0.36);
}

html,
body {
  min-height: 100%;
}

body.auth-shell {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--auth-text);
  background:
    radial-gradient(
      circle at top left,
        color-mix(in srgb, var(--color-primary) 12%, transparent),
      transparent 24%
    ),
    radial-gradient(
      circle at bottom right,
        color-mix(in srgb, var(--color-primary) 8%, transparent),
      transparent 26%
    ),
    linear-gradient(180deg, var(--color-bg) 0%, var(--auth-bg) 100%);
}

html[data-theme="dark"] body.auth-shell {
  background:
    radial-gradient(
      circle at top left,
      color-mix(in srgb, var(--color-primary) 8%, transparent),
      transparent 24%
    ),
    radial-gradient(
      circle at bottom right,
      color-mix(in srgb, var(--color-primary) 5%, transparent),
      transparent 26%
    ),
    linear-gradient(180deg, var(--color-bg) 0%, var(--auth-bg) 100%);
}

.auth-stage {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 18px;
  box-sizing: border-box;
}

.auth-panel {
  width: min(860px, 100%);
  min-height: 300px;
  padding: 30px 34px 22px;
  border: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent);
  border-radius: 28px;
  background: var(--auth-panel);
  box-shadow: var(--auth-shadow);
  backdrop-filter: blur(10px);
  box-sizing: border-box;
}

.auth-panel--compact {
  width: min(720px, 100%);
  min-height: 0;
  padding: 24px 28px 18px;
}

.auth-form {
  min-height: 246px;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 10px;
}

.auth-form--mfa {
  min-height: 0;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(320px, 380px);
  gap: 30px;
  align-items: start;
}

.auth-layout--mfa {
  grid-template-columns: minmax(250px, 280px) minmax(300px, 390px);
  gap: 22px;
}

.auth-copy {
  display: grid;
  align-content: start;
  gap: 20px;
  padding-top: 2px;
}

.auth-brand {
  display: flex;
  align-items: flex-start;
}

.auth-brand__crop {
  display: inline-flex;
  overflow: hidden;
  flex: 0 0 auto;
}

.auth-brand__logo {
  width: 50px;
  height: 50px;
}

.auth-brand__logo--dark {
  display: none !important;
}

html[data-theme="dark"] .auth-brand__logo--light {
  display: none !important;
}

html[data-theme="dark"] .auth-brand__logo--dark {
  display: block !important;
}

.auth-copy__content h1 {
  margin: 0 0 12px;
  font-size: clamp(2.55rem, 3.3vw, 3.2rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.auth-copy__content p {
  margin: 0;
  color: var(--auth-text-soft);
  font-size: 1rem;
}

.auth-copy__meta {
  display: inline-block;
  margin-top: 10px;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.auth-entry {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 2rem;
  padding-top: 72px;
}

.auth-entry--mfa {
  gap: 12px;
  padding-top: 50px;
}

.auth-form--mfa .auth-copy {
  gap: 16px;
}

.auth-form--mfa .auth-copy__content h1 {
  margin-bottom: 10px;
  font-size: clamp(1.55rem, 2vw, 2.1rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  max-width: 220px;
}

.auth-form--mfa .auth-copy__content p {
  font-size: 0.92rem;
  line-height: 1.18;
  max-width: 230px;
}

.auth-form--mfa .auth-copy__meta {
  margin-top: 8px;
  font-size: 0.74rem;
}

.auth-field {
  display: grid;
  gap: 2px;
}

.auth-field input,
.auth-identifier {
  width: 100%;
  padding: 15px 18px;
  border: 1px solid var(--auth-border);
  border-radius: 14px;
  background: var(--color-surface);
  color: var(--auth-text);
  font-size: 1rem;
  box-sizing: border-box;
}

.auth-control::placeholder,
.auth-field input::placeholder {
  color: var(--color-muted);
}

.auth-control:focus,
.auth-field input:focus {
  outline: none;
  border-color: var(--auth-primary);
  box-shadow: 0 0 0 4px var(--auth-focus);
}

.auth-control--invalid {
  border-color: var(--color-danger-soft);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-danger) 8%, transparent),
    color-mix(in srgb, var(--color-danger) 5%, transparent)
  );
}

.auth-control--invalid:focus {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-danger) 12%, transparent);
}

.auth-identifier {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-color: var(--color-primary-soft);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-primary-soft) 80%, transparent),
    color-mix(in srgb, var(--color-primary-soft) 60%, transparent)
  );
}

.auth-identifier__account {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--auth-primary);
  font-size: 0.96rem;
  font-weight: 700;
  flex: 0 0 auto;
}

.auth-identifier__content {
  min-width: 0;
  display: grid;
  gap: 2px;
  flex: 1 1 auto;
}

.auth-identifier__label {
  color: var(--color-muted);
  font-size: 0.76rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.auth-identifier__value {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.97rem;
  font-weight: 500;
}

.auth-identifier__action,
.auth-secondary-link,
.auth-link {
  color: var(--auth-primary);
  text-decoration: none;
  font-size: 0.95rem;
}

.auth-secondary-link {
  justify-self: end;
  margin-top: 0;
}

.auth-identifier__action {
  flex: 0 0 auto;
  border: 0;
  border-radius: 999px;
  background: rgba(26, 115, 232, 0.08);
  padding: 8px 12px;
  white-space: nowrap;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.auth-identifier__action:hover {
  background: rgba(26, 115, 232, 0.14);
}

.field-validation,
.auth-summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--color-danger-soft);
  border-radius: 12px;
  background: color-mix(in srgb, var(--color-danger) 6%, transparent);
  color: var(--color-danger);
  font-size: 0.84rem;
  line-height: 1.35;
}

.field-validation::before,
.auth-summary::before {
  content: "!";
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-danger-soft);
  color: var(--color-danger);
  font-size: 0.76rem;
  font-weight: 700;
  flex: 0 0 auto;
}

.field-validation:empty {
  display: none;
}

.auth-summary__content {
  display: grid;
  gap: 4px;
}

.auth-status {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--color-primary-soft);
  border-radius: 12px;
  background: color-mix(in srgb, var(--color-primary-soft) 60%, transparent);
  color: var(--auth-primary);
  font-size: 0.82rem;
  line-height: 1.35;
}

.auth-mfa {
  display: grid;
  gap: 12px;
}

.auth-mfa__header h2 {
  margin: 0 0 6px;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.2;
}

.auth-mfa__header p {
  margin: 0;
  color: var(--auth-text-soft);
  font-size: 0.78rem;
  line-height: 1.2;
}

.auth-code-group {
  display: grid;
  grid-template-columns: repeat(6, minmax(36px, 1fr));
  gap: 8px;
}

.auth-code-digit {
  width: 100%;
  height: 50px;
  border: 1px solid var(--auth-border);
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--auth-text);
  font-size: 1.35rem;
  font-weight: 600;
  text-align: center;
  box-sizing: border-box;
}

.auth-code-digit:focus {
  outline: none;
  border-color: var(--auth-primary);
  box-shadow: 0 0 0 4px var(--auth-focus);
}

.auth-code-group--invalid .auth-code-digit {
  border-color: var(--color-danger-soft);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-danger) 8%, transparent),
    color-mix(in srgb, var(--color-danger) 5%, transparent)
  );
}

.auth-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--auth-text-soft);
  font-size: 0.84rem;
}

.auth-check input {
  width: 16px;
  height: 16px;
  margin: 0;
}

.auth-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.auth-footer--split {
  justify-content: space-between;
  gap: 14px;
}

.auth-links {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.auth-actions {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.auth-submit {
  min-width: 118px;
  padding: 11px 18px;
  border: 0;
  border-radius: 999px;
  background: var(--auth-primary-soft);
  color: var(--auth-primary);
  font-size: 0.94rem;
  font-weight: 500;
  transition:
    background-color 0.2s ease,
    transform 0.2s ease;
}

.auth-submit:hover {
  background: var(--color-primary-soft-strong);
  transform: translateY(-1px);
}

.auth-submit:disabled,
.auth-submit.is-busy {
  cursor: progress;
  opacity: 0.75;
  transform: none;
}

.auth-submit.is-busy .auth-submit__label::after {
  content: "";
  display: inline-block;
  width: 0.75em;
  height: 0.75em;
  margin-left: 0.5em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  vertical-align: -0.15em;
  animation: auth-submit-spin 0.7s linear infinite;
}

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

.auth-field--with-action {
  position: relative;
}

.auth-field--with-action .auth-control {
  padding-right: 48px;
}

.auth-field__toggle {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--auth-text-soft);
  border-radius: 50%;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.auth-field__toggle:hover,
.auth-field__toggle:focus-visible {
  background: var(--auth-focus);
  color: var(--auth-primary);
  outline: none;
}

.auth-field__toggle-icon[hidden] {
  display: none;
}

.auth-summary--top {
  display: flex;
  width: 100%;
  margin-bottom: 4px;
  padding: 12px 14px;
  border-width: 2px;
  font-size: 0.9rem;
  box-shadow: 0 4px 14px rgba(180, 35, 24, 0.08);
}

.auth-link-button {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--auth-primary);
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
}

@media (max-width: 900px) {
  .auth-panel {
    min-height: auto;
    padding: 24px 20px;
  }

  .auth-layout,
  .auth-footer {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .auth-entry {
    padding-top: 0;
  }

  .auth-footer {
    justify-content: flex-start;
  }

  .auth-footer--split {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .auth-stage {
    padding: 14px;
  }

  .auth-panel {
    padding: 20px 16px;
    border-radius: 22px;
  }

  .auth-panel--compact {
    padding: 20px 16px;
  }

  .auth-layout--mfa {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .auth-form--mfa .auth-copy__content h1,
  .auth-form--mfa .auth-copy__content p {
    max-width: none;
  }

  .auth-copy {
    gap: 16px;
  }

  .auth-copy__content h1 {
    font-size: 2.25rem;
  }

  .auth-identifier {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .auth-identifier__action {
    margin-left: 50px;
  }

  .auth-submit {
    width: 100%;
    text-align: center;
  }

  .auth-code-group {
    gap: 8px;
  }

  .auth-code-digit {
    height: 46px;
    border-radius: 12px;
    font-size: 1.2rem;
  }

  .auth-actions {
    display: grid;
    gap: 14px;
    width: 100%;
  }
}