/* <sp-auth-pane> — sign in, then watch your own agent's governance spine.
 *
 * Light DOM, so everything is scoped under .auth-pane rather than shadowed.
 * The two states share the same shell deliberately: signing in should read as
 * the panel filling in, not as one screen replacing another. */

.auth-pane {
  display: block;
  min-width: 0;

  /* Local dark-glass tokens. This component is used by the homepage and
     nowhere else, so it is styled for the stage directly rather than being
     themed through it. */
  --sp-ap-glass: var(--sp-stage-glass, oklch(0.24 0.012 55 / 0.72));
  --sp-ap-border: var(--sp-stage-glass-border, oklch(1 0 0 / 0.09));
  --sp-ap-well: oklch(0 0 0 / 0.28);
  --sp-ap-raise: oklch(1 0 0 / 0.08);
  --sp-ap-text: var(--sp-stage-text, oklch(0.96 0.004 60));
  --sp-ap-text-dim: var(--sp-stage-text-dim, oklch(0.82 0.008 60));
  --sp-ap-text-muted: var(--sp-stage-text-muted, oklch(0.68 0.01 60));
}

/* The JS wizard toggles `hidden` on the form, on each step, and on the busy
   row. An author `display` on any of those silently defeats the UA's
   `[hidden] { display: none }` — which is exactly how sign-in, register step
   1, register step 2, and a spinner all ended up stacked on screen at once.
   These live above the `display: flex` rules and must stay above them. */
.auth-pane .pane-form[hidden],
.auth-pane .pane-step[hidden],
.auth-pane .pane-busy[hidden],
.auth-pane .pane-panel[hidden],
.auth-pane .pane-alert[hidden] { display: none; }

.auth-pane .pane {
  display: flex;
  flex-direction: column;
  gap: var(--sp-space-5);
  padding: var(--sp-space-5);
  background: var(--sp-ap-glass);
  backdrop-filter: blur(var(--sp-stage-blur, 16px)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--sp-stage-blur, 16px)) saturate(140%);
  border: 1px solid var(--sp-ap-border);
  border-radius: var(--sp-corners-lg);
  box-shadow: 0 24px 60px oklch(0 0 0 / 0.45), 0 0 0 1px oklch(1 0 0 / 0.04) inset;
  color: var(--sp-ap-text-dim);
}

/* ── head ───────────────────────────────────────────────────────────────── */

.auth-pane .pane-title {
  margin: 0 0 var(--sp-space-2);
  font-family: var(--sp-font-heading);
  font-size: clamp(1.35rem, 1.1rem + 0.9vw, 1.9rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--sp-ap-text);
}

.auth-pane .pane-sub {
  margin: 0;
  color: var(--sp-ap-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.auth-pane .pane-head--profile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-space-4);
  padding-bottom: var(--sp-space-4);
  border-bottom: 1px solid var(--sp-ap-border);
}

.auth-pane .pane-id {
  display: flex;
  align-items: center;
  gap: var(--sp-space-3);
  min-width: 0;
}

.auth-pane .pane-avatar {
  display: grid;
  place-items: center;
  flex: none;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--sp-color-primary);
  color: var(--sp-color-text-on-primary);
  /* The branded asymmetric corner: square where the identity anchors, round
     everywhere else. */
  border-radius: var(--sp-radius-full) var(--sp-radius-full) var(--sp-radius-full) var(--sp-radius-sm);
  font-family: var(--sp-font-heading);
  font-weight: 600;
}

.auth-pane .pane-name {
  display: block;
  color: var(--sp-ap-text);
  font-size: 0.95rem;
  line-height: 1.3;
}

.auth-pane .pane-email {
  display: block;
  color: var(--sp-ap-text-muted);
  font-size: 0.8rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.auth-pane .pane-badge {
  flex: none;
  padding: 0.2rem var(--sp-space-3);
  border: 1px solid currentcolor;
  border-radius: var(--sp-radius-full);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.auth-pane .pane-badge--ok { color: var(--sp-color-success); }
.auth-pane .pane-badge--pending { color: var(--sp-color-warning); }

/* ── tabs ───────────────────────────────────────────────────────────────── */

.auth-pane .pane-tabs {
  display: flex;
  gap: var(--sp-space-1);
  padding: 0.25rem;
  background: var(--sp-ap-well);
  border-radius: var(--sp-radius-md);
}

.auth-pane .pane-tab {
  flex: 1;
  padding: var(--sp-space-2) var(--sp-space-3);
  background: transparent;
  border: none;
  border-radius: var(--sp-radius-sm);
  color: var(--sp-ap-text-muted);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.auth-pane .pane-tab.is-active {
  background: var(--sp-ap-raise);
  color: var(--sp-ap-text);
  box-shadow: 0 1px 2px oklch(0 0 0 / 0.35);
}

/* ── forms ──────────────────────────────────────────────────────────────── */

.auth-pane .pane-form,
.auth-pane .pane-step {
  display: flex;
  flex-direction: column;
  gap: var(--sp-space-2);
  margin: 0;
  padding: 0;
  border: none;
}

.auth-pane .pane-label {
  color: var(--sp-ap-text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.auth-pane .pane-label:not(:first-child) {
  margin-top: var(--sp-space-2);
}

.auth-pane .pane-field {
  width: 100%;
  padding: var(--sp-space-3);
  background: var(--sp-ap-well);
  border: 1px solid var(--sp-ap-border);
  border-radius: var(--sp-radius-md);
  color: var(--sp-ap-text);
  font: inherit;
  font-size: 0.9rem;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.auth-pane .pane-field:focus-visible {
  outline: none;
  border-color: var(--sp-color-primary);
  box-shadow: 0 0 0 3px rgba(var(--sp-color-primary-rgb), 0.18);
}

.auth-pane textarea.pane-field {
  resize: vertical;
}

.auth-pane .pane-actions {
  display: flex;
  gap: var(--sp-space-2);
  margin-top: var(--sp-space-2);
}

.auth-pane .pane-btn {
  padding: var(--sp-space-3) var(--sp-space-5);
  border: 1px solid transparent;
  border-radius: var(--sp-radius-md);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.12s ease, opacity 0.18s ease;
}

.auth-pane .pane-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.auth-pane .pane-btn--primary {
  margin-top: var(--sp-space-2);
  background: var(--sp-color-primary);
  color: var(--sp-color-text-on-primary);
  box-shadow: var(--sp-shadow-accent-sm);
}

.auth-pane .pane-btn--primary:hover:not(:disabled) {
  background: var(--sp-color-primary-hover);
}

.auth-pane .pane-btn--primary:active:not(:disabled) {
  transform: translateY(1px);
}

.auth-pane .pane-btn--ghost {
  background: transparent;
  border-color: var(--sp-ap-border);
  color: var(--sp-ap-text-dim);
}

.auth-pane .pane-note {
  margin: var(--sp-space-1) 0 0;
  color: var(--sp-ap-text-muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

.auth-pane .pane-note--pending {
  padding: var(--sp-space-3);
  background: var(--sp-ap-well);
  border-left: 2px solid var(--sp-color-warning);
  border-radius: 0 var(--sp-radius-md) var(--sp-radius-md) 0;
  color: var(--sp-ap-text-dim);
}

.auth-pane .pane-link {
  padding: 0;
  background: none;
  border: none;
  color: var(--sp-color-primary-text);
  font: inherit;
  font-size: inherit;
  text-decoration: underline;
  cursor: pointer;
}

/* ── feedback ───────────────────────────────────────────────────────────── */

.auth-pane .pane-alert {
  padding: var(--sp-space-3);
  border-radius: var(--sp-radius-md);
  font-size: 0.85rem;
  line-height: 1.5;
}

.auth-pane .pane-alert[data-tone="error"] {
  background: color-mix(in oklch, var(--sp-color-error) 14%, transparent);
  border-left: 2px solid var(--sp-color-error);
  color: var(--sp-color-error);
}

.auth-pane .pane-alert[data-tone="info"] {
  background: var(--sp-ap-well);
  border-left: 2px solid var(--sp-color-info);
  color: var(--sp-ap-text-dim);
}

.auth-pane .pane-busy {
  display: flex;
  align-items: center;
  gap: var(--sp-space-3);
  color: var(--sp-ap-text-dim);
  font-size: 0.85rem;
}

.auth-pane .pane-spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--sp-ap-border);
  border-top-color: var(--sp-color-primary);
  border-radius: var(--sp-radius-full);
  animation: auth-pane-spin 0.8s linear infinite;
}

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

/* ── telemetry ──────────────────────────────────────────────────────────── */

.auth-pane .pane-section {
  display: flex;
  flex-direction: column;
  gap: var(--sp-space-3);
  min-height: 0;
}

.auth-pane .pane-h3 {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-space-3);
  margin: 0;
  color: var(--sp-ap-text-muted);
  font-family: var(--sp-font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.auth-pane .pane-h3-sub {
  color: var(--sp-ap-text-muted);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}