/* ============================================================
   Distill Lab — shared miniapp chrome
   Import after @distill-energy/ui/css (requires DS tokens).
   ============================================================ */

/* ------------------------------------------------------------
   About / info dialogs — canvas surface
   Markup:
     <div class="modal-overlay">
       <div class="modal modal--canvas">
         <div class="modal-header"><h2>…</h2><button class="btn-close">…</button></div>
         <div class="modal-body distill-prose">…</div>
       </div>
     </div>
   React: import { LabInfoModal } from "@distill/lab/info-modal";
   OPF Studio chart/detail dialogs may use detail-modal; About/info uses LabInfoModal above.
   ------------------------------------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-overlay.hidden {
  display: none;
}

.btn-close {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  color: var(--color-text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 0 6px;
  line-height: 1.2;
  transition: color var(--motion-duration) var(--motion-easing),
              border-color var(--motion-duration) var(--motion-easing);
}

.btn-close:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.modal--canvas,
.detail-modal--canvas {
  background: var(--canvas-bg);
  color: var(--canvas-text);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  width: min(560px, 90vw);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal--canvas .modal-header,
.detail-modal--canvas .detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.modal--canvas .modal-header h2,
.detail-modal--canvas .detail-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-accent);
  margin: 0;
}

.modal--canvas .modal-body,
.detail-modal--canvas .detail-body {
  color: var(--color-text-muted);
  padding: 16px 20px 20px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.detail-modal--canvas .detail-body.distill-prose {
  gap: 0;
}

.modal--canvas h3,
.detail-modal--canvas h3 {
  color: var(--canvas-text);
}

/* Compact prose inside About modals (after .distill-prose base in distill.css) */
.modal--canvas .modal-body.distill-prose,
.detail-modal--canvas .detail-body.distill-prose {
  font-family: var(--type-body-sm-font);
  font-size: var(--type-body-sm-size);
  font-weight: var(--type-body-sm-weight);
  line-height: 1.5;
  color: var(--color-text-muted);
}

.modal--canvas .modal-body.distill-prose :is(p, li, dt, dd, em, ul, ol, strong),
.detail-modal--canvas .detail-body.distill-prose :is(p, li, dt, dd, em, ul, ol, strong) {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  color: var(--canvas-text-muted);
  line-height: inherit;
}

.modal--canvas .modal-body.distill-prose strong,
.detail-modal--canvas .detail-body.distill-prose strong {
  font-weight: 600;
  color: var(--color-light);
}

.modal--canvas .modal-body.distill-prose p,
.detail-modal--canvas .detail-body.distill-prose p {
  margin: var(--space-2) 0 var(--space-3);
}

.modal--canvas .modal-body.distill-prose p:first-child,
.detail-modal--canvas .detail-body.distill-prose p:first-child {
  margin-top: 0;
}

.modal--canvas .modal-body.distill-prose p:last-child,
.detail-modal--canvas .detail-body.distill-prose p:last-child {
  margin-bottom: 0;
}

.modal--canvas .modal-body.distill-prose :is(ul, ol),
.detail-modal--canvas .detail-body.distill-prose :is(ul, ol) {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-6);
}

.modal--canvas .modal-body.distill-prose li,
.detail-modal--canvas .detail-body.distill-prose li {
  margin-bottom: var(--space-1);
}

.modal--canvas .modal-body.distill-prose dl,
.detail-modal--canvas .detail-body.distill-prose dl {
  margin: var(--space-2) 0 0;
}

.modal--canvas .modal-body.distill-prose dt,
.detail-modal--canvas .detail-body.distill-prose dt {
  font-weight: 600;
  color: var(--color-accent);
  margin: var(--space-2) 0 0;
}

.modal--canvas .modal-body.distill-prose dt:first-child,
.detail-modal--canvas .detail-body.distill-prose dt:first-child {
  margin-top: 0;
}

.modal--canvas .modal-body.distill-prose dd,
.detail-modal--canvas .detail-body.distill-prose dd {
  margin: 0;
  padding-left: 0;
  color: var(--canvas-text-muted);
}

.modal--canvas .modal-body.distill-prose :is(ul, ol) :is(li)::marker,
.detail-modal--canvas .detail-body.distill-prose :is(ul, ol) :is(li)::marker {
  color: var(--canvas-text-muted);
}

.modal--canvas .modal-body.distill-prose h3,
.detail-modal--canvas .detail-body.distill-prose h3 {
  font-family: var(--type-label-font);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  letter-spacing: var(--type-label-tracking);
  line-height: var(--type-label-lh);
  text-transform: uppercase;
  color: var(--canvas-text);
  margin: 0 0 var(--space-2);
  padding-top: 0;
  border-top: none;
}

.modal--canvas .modal-body.distill-prose h3:not(:first-of-type),
.detail-modal--canvas .detail-body.distill-prose h3:not(:first-of-type) {
  border-top: 1px solid var(--color-accent-2);
  padding-top: var(--space-4);
  margin-top: var(--space-4);
}

.modal--canvas .modal-body.distill-prose .disclaimer-text,
.detail-modal--canvas .detail-body.distill-prose .disclaimer-text {
  font-size: var(--text-xs);
  font-style: italic;
  color: var(--canvas-text-muted);
  line-height: 1.6;
}

/* Wider info modal for content-heavy guides (OPF welcome, visualization guide). */
.modal--canvas.info-modal--wide {
  width: min(720px, 92vw);
}

.info-modal-footer {
  display: flex;
  justify-content: flex-end;
  padding-top: var(--space-4);
  margin-top: var(--space-2);
}

/* Example-load button row inside a list item (OPF Quick Start). */
.modal--canvas .info-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

/* Inline icon button inside prose (e.g. legend guide link). */
.modal--canvas .info-inline-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  vertical-align: -6px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text-dim);
  cursor: pointer;
  transition: color var(--motion-duration) var(--motion-easing),
              border-color var(--motion-duration) var(--motion-easing),
              background var(--motion-duration) var(--motion-easing);
}

.modal--canvas .info-inline-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-dim);
  background: var(--surface-input);
}

/* Illustrated reference rows (visualization guide). */
.modal--canvas .info-illustrations {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.modal--canvas .info-illustration-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.modal--canvas .info-illustration-item svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* ------------------------------------------------------------
   Lab header — shared chrome for Distill Lab miniapps
   Markup:
     <header class="lab-header">
       <div class="distill-frosted" aria-hidden="true">…blobs…</div>
       <div class="lab-header-main">
         <h1 class="lab-header-title">Title</h1>
         <p class="lab-header-desc">Description</p>
       </div>
       <div class="lab-header-actions">…</div>
     </header>
   React: import { LabHeader } from "@distill-energy/ui";
   ------------------------------------------------------------ */
:root {
  --lab-header-padding-x:    var(--space-6);
  --lab-header-padding-y:    var(--space-4);
  --lab-header-min-height:   88px;
  --lab-header-title-size:   calc(var(--lab-header-min-height) - 2 * var(--lab-header-padding-y));
  --lab-header-title-size-wrap: calc(var(--lab-header-title-size) * 0.62);
  --lab-header-title-wrap-line-height: 1.08;
  --lab-header-title-wrap-max-width: 14em;
  --lab-header-z:            50;
  --lab-nav-frost-opacity:   var(--dd-frost-opacity);
  --lab-nav-frost-blur:      var(--dd-frost-blur);
}

.lab-header {
  position: relative;
  z-index: var(--lab-header-z);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: var(--lab-header-min-height);
  padding: var(--lab-header-padding-y) var(--lab-header-padding-x);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.lab-header > .distill-frosted {
  z-index: 0;
  overflow: hidden;
}

.lab-header-main {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex: 1;
  min-width: 0;
}

.lab-header-title {
  flex-shrink: 0;
  font-family: var(--type-label-font);
  font-size: var(--lab-header-title-size);
  font-weight: var(--type-label-weight);
  line-height: 1;
  letter-spacing: var(--type-label-tracking);
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0;
}

.lab-header-title--wrap {
  font-size: var(--lab-header-title-size-wrap);
  line-height: var(--lab-header-title-wrap-line-height);
  max-width: var(--lab-header-title-wrap-max-width);
  flex-shrink: 1;
  min-width: 0;
}

.lab-header-desc {
  flex: 1;
  min-width: 0;
  max-width: 42rem;
  font-family: var(--type-body-sm-font);
  font-size: var(--text-sm);
  font-weight: var(--type-body-sm-weight);
  line-height: 1.5;
  color: var(--color-light);
  margin: 0;
}

.lab-header-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
  flex-shrink: 0;
}

.lab-header-actions .header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
  flex-shrink: 0;
  position: relative;
}

@media (max-width: 900px) {
  .lab-header-desc {
    display: none;
  }
}

.powered-label {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
}

.distill-name {
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.header-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-text) 8%, transparent);
  color: var(--color-accent);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: background var(--motion-duration) var(--motion-easing),
              border-color var(--motion-duration) var(--motion-easing);
}

.btn-icon:hover {
  background: color-mix(in srgb, var(--color-accent) 15%, transparent);
  border-color: var(--color-accent);
}

.btn-icon-img {
  width: 18px;
  height: 18px;
  border-radius: 50%;
}

/* Auth badge — sign-in pill / avatar disc rendered by initAuthBadge
   (@distill/theme/nav). Lives here so every miniapp's header shares one
   consistent sign-in surface; styled to sit flush with the .btn-icon row. */
.auth-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--motion-duration) var(--motion-easing),
              color var(--motion-duration) var(--motion-easing),
              border-color var(--motion-duration) var(--motion-easing);
}

.auth-badge-signin {
  height: 28px;
  padding: 0 var(--space-3);
  border-radius: 14px;
  background: color-mix(in srgb, var(--color-text) 8%, transparent);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1px solid var(--color-border);
}

.auth-badge-signin:hover {
  background: color-mix(in srgb, var(--color-accent) 15%, transparent);
  border-color: var(--color-accent);
}

.auth-badge-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-text) 8%, transparent);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  border: 1px solid var(--color-border);
}

.auth-badge-avatar:hover {
  background: color-mix(in srgb, var(--color-accent) 15%, transparent);
  border-color: var(--color-accent);
}

/* IdP avatar image (OIDC `picture`). Fills the disc; the <img> is removed
   and the initials shown if it fails to load (see initAuthBadge). */
.auth-badge-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

/* Tier-specific avatar tinting so customer / verified are
   distinguishable at a glance. */
.auth-badge-customer {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: transparent;
}
.auth-badge-customer:hover {
  background: color-mix(in srgb, var(--color-accent) 85%, var(--color-light));
}
.auth-badge-verified {
  background: color-mix(in srgb, var(--color-accent) 22%, transparent);
  color: var(--color-accent);
  border-color: transparent;
}
.auth-badge-verified:hover {
  background: color-mix(in srgb, var(--color-accent) 32%, transparent);
}

.nav-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-2);
  min-width: 180px;
  background: color-mix(in srgb, var(--canvas-bg) var(--lab-nav-frost-opacity), transparent);
  backdrop-filter: blur(var(--lab-nav-frost-blur)) saturate(1.08);
  -webkit-backdrop-filter: blur(var(--lab-nav-frost-blur)) saturate(1.08);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 1;
  padding: var(--space-1) 0;
}

.nav-menu.hidden {
  display: none;
}

.nav-menu-item {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-dim);
  text-decoration: none;
  transition: background var(--motion-duration) var(--motion-easing),
              color var(--motion-duration) var(--motion-easing);
}

.nav-menu-item:hover {
  background: color-mix(in srgb, var(--color-text) 14%, transparent);
  color: var(--color-text);
}

.nav-menu-item.active {
  color: var(--color-accent);
  font-weight: 600;
}

/* Embed / minimal chrome (e.g. VS Code webview) */
.lab-header--embed {
  min-height: 36px;
  padding: 0 var(--space-3);
  gap: var(--space-3);
}

.lab-header--embed .distill-frosted {
  display: none;
}

.lab-header--embed .lab-header-main {
  gap: var(--space-3);
}

.lab-header--embed .lab-header-title {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.lab-header--embed .lab-header-desc {
  display: none;
}

.lab-header--embed .lab-header-actions {
  flex-direction: row;
  align-items: center;
}