.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-6) var(--space-4);
}

.auth-shell {
  width: min(440px, 100%);
}

.auth-card-wide {
  width: min(520px, 100%);
}

.auth-card {
  width: 100%;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-6);
  backdrop-filter: blur(10px);
}

.auth-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: var(--space-5);
}

.auth-card h1 {
  margin: 0 0 var(--space-2);
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.auth-lede {
  margin: 0 0 var(--space-5);
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.auth-form {
  display: grid;
  gap: var(--space-4);
}

.auth-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.auth-field {
  display: grid;
  gap: var(--space-2);
}

.auth-field > span {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.auth-field input {
  width: 100%;
  padding: var(--control-y) var(--control-x);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font: inherit;
  color: var(--ink);
  background: var(--surface-soft);
}

.auth-field input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.password-field {
  position: relative;
  display: grid;
}

.password-field input {
  padding-right: 2.75rem;
}

.password-toggle {
  appearance: none;
  position: absolute;
  top: 50%;
  right: 0.35rem;
  transform: translateY(-50%);
  width: 2.1rem;
  height: 2.1rem;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  display: grid;
  place-items: center;
}

.password-toggle:hover,
.password-toggle:focus-visible {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  outline: none;
}

.password-toggle svg {
  width: 1.15rem;
  height: 1.15rem;
  grid-area: 1 / 1;
}

.password-toggle svg[hidden] {
  display: none !important;
}

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

.auth-services {
  gap: var(--space-2);
}

.auth-services-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.auth-service-list {
  display: grid;
  gap: var(--space-2);
}

.auth-service-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin: 0;
  padding: var(--control-y) var(--control-x);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  font: inherit;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.auth-service-option:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}

.auth-service-option:has(input:focus-visible) {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.auth-service-option:has(input:checked) {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  background: var(--surface);
}

.auth-service-option input {
  width: 1rem;
  height: 1rem;
  margin: 0.2rem 0 0;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.auth-service-copy {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
}

.auth-service-name {
  font-size: inherit;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.35;
}

.auth-service-desc {
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--ink-muted);
}

.password-rules {
  margin: 0;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.password-rules-title {
  margin: 0 0 var(--space-2);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.password-rules ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.password-rules li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
  transition: color 0.15s ease;
}

.password-rules li::before {
  content: "○";
  position: absolute;
  left: 0;
  top: 0;
  color: color-mix(in srgb, var(--ink-muted) 70%, transparent);
  font-size: 0.85rem;
  line-height: 1.35;
}

.password-rules li.is-met {
  color: #15803d;
  font-weight: 500;
}

.password-rules li.is-met::before {
  content: "✓";
  color: #16a34a;
  font-weight: 700;
}

.auth-status {
  margin: 0;
  min-height: 1.25rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.auth-status.error {
  color: var(--danger);
}

.auth-status.ok {
  color: var(--accent-hover);
}

.auth-submit {
  width: 100%;
}

.auth-footer {
  margin: var(--space-5) 0 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.auth-footer a {
  color: var(--link);
  font-weight: 600;
  text-decoration: none;
}

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

@media (max-width: 520px) {
  .auth-grid-2 {
    grid-template-columns: 1fr;
  }
}