/* Welcome page (assets/welcome.js). Everything here only appears while the
   bundled welcome document is open; colours come from the reader palette,
   so it follows Original, Ivory, Manila, Cloud, Slate and Garden. */

/* ── In-document UI ───────────────────────────────────────── */
.markdown-body .welcome-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: -0.2em 0 0;
  padding: 0;
  list-style: none;
  font: 400 14px/1.4 var(--font-sans);
  color: var(--reader-fg-muted, var(--fg-muted));
}
.markdown-body .welcome-facts li {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0;
}
.markdown-body .welcome-facts svg {
  color: var(--reader-accent, var(--accent-fg));
}

/* A quiet editorial callout, in the same family as code and diagram
   blocks: hairline border, document type, left reading axis. It only
   turns into a dashed drop target while a file is being dragged. */
.markdown-body .welcome-drop {
  margin: 1.4em 0 0.6em;
  padding: 1.1em 1.3em 1.2em;
  border: 1px solid var(--reader-border-default, var(--border-default));
  border-radius: 8px;
  background: var(--reader-bg-subtle, var(--bg-subtle));
  transition:
    border-color 160ms ease,
    background-color 160ms ease;
}
body.dragging .markdown-body .welcome-drop {
  border-style: dashed;
  border-color: var(--reader-accent, var(--accent-fg));
  background: color-mix(
    in srgb,
    var(--reader-accent, var(--accent-fg)) 7%,
    var(--reader-bg-subtle, var(--bg-subtle))
  );
}
.markdown-body .welcome-drop__title {
  margin: 0 0 0.2em;
  font-family: var(--font-serif);
  font-size: 1.05em;
  font-weight: 600;
  line-height: 1.35;
  color: var(--reader-fg-heading, var(--reader-fg-default, var(--fg-default)));
}
.markdown-body .welcome-drop__sub {
  margin: 0 0 1em;
  font: 400 13.5px/1.5 var(--font-sans);
  color: var(--reader-fg-muted, var(--fg-muted));
}
.markdown-body .welcome-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
}
.markdown-body .welcome-actions--end {
  margin: 1.3em 0 1.1em;
}
/* MarkV's own .btn / .btn-primary, one step up from toolbar size. */
.markdown-body .welcome-actions .btn {
  height: 34px;
  padding: 0 14px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  transition: transform 120ms cubic-bezier(0.23, 1, 0.32, 1);
}
.markdown-body .welcome-actions .btn:active {
  transform: scale(0.97);
}
.markdown-body .welcome-link {
  padding: 4px 2px;
  border: 0;
  background: none;
  font: 500 15px/1 var(--font-sans);
  color: var(--reader-link, var(--accent-fg));
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  cursor: pointer;
}
.markdown-body .welcome-note {
  font: 400 14px/1.5 var(--font-sans);
  color: var(--reader-fg-muted, var(--fg-muted));
}
.markdown-body .welcome-underline-host {
  position: relative;
  display: inline-block;
}

/* ── Hand-drawn guides ────────────────────────────────────────
   One section's guides at a time, drawn once each; later appearances
   are instant. Decorative only: the text names every control. */
.welcome-guides,
.welcome-guide-toggle {
  display: none;
}
html.is-welcome
  body.preview-mode:not(
    :is(.edit-mode-active, .library-open, .chat-open, .mindmap-open, .mv-more-open, .export-pdf-active)
  )
  .welcome-guides {
  display: block;
}
html.is-welcome
  body.preview-mode:not(
    :is(.edit-mode-active, .library-open, .chat-open, .mindmap-open, .mv-more-open, .export-pdf-active)
  )
  .welcome-guide-toggle {
  display: flex;
}
body:has(#readingPanel:not([hidden])) .welcome-guides,
html.welcome-guides-off .welcome-guides,
html.welcome-guides-off .welcome-underline {
  visibility: hidden;
}
/* Compact drawings leave a clear band under the toolbar on smaller screens.
   Touch users get the same guides; JS follows controls moved into More. */
@media (max-width: 1200px) {
  html.is-welcome .preview-pane:not(.is-empty-state) {
    padding-top: 116px;
  }
  .welcome-guide .wg-label {
    font-size: 17px;
  }
  html.is-welcome .welcome-guide[data-guide="files"] .wg-label {
    left: calc(96px * var(--wg-scale, 1));
    top: calc(32px * var(--wg-scale, 1));
  }
}

.welcome-guides {
  --wg-halo: var(--reader-bg-canvas, var(--bg-canvas));
  position: fixed;
  inset: 0;
  z-index: 1100;
  pointer-events: none;
}
.welcome-guides,
.welcome-underline {
  color: var(--reader-link, var(--accent-fg));
}
.welcome-guide {
  position: absolute;
  left: 0;
  top: 0;
  width: max-content;
  opacity: 0;
  transition: opacity 160ms ease;
}
.welcome-guide.is-on {
  opacity: 1;
  transition-duration: 120ms;
}
.welcome-guide svg {
  display: block;
  overflow: visible;
}
.wg-ink,
.wg-halo {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.wg-ink {
  stroke: currentColor;
  stroke-width: 2.4;
}
.wg-halo {
  stroke: var(--wg-halo);
  stroke-width: 9;
  opacity: 0.9;
}
.wg-draw {
  stroke-dasharray: 1 1.2;
  stroke-dashoffset: 1.05;
}
:is(.welcome-guide, .welcome-underline).is-on .wg-draw {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 760ms cubic-bezier(0.23, 1, 0.32, 1) 60ms;
}
:is(.welcome-guide, .welcome-underline).is-on .wg-head {
  transition: stroke-dashoffset 220ms cubic-bezier(0.23, 1, 0.32, 1) 620ms;
}
/* Leaving: keep the stroke while the guide fades, then reset. */
:is(.welcome-guide, .welcome-underline):not(.is-on) .wg-draw {
  transition: stroke-dashoffset 0s linear 180ms;
}
:is(.welcome-guide, .welcome-underline).seen.is-on .wg-draw {
  transition: none;
}
.wg-label {
  position: absolute;
  /* Upright hand fonts only (no italics). */
  font: 400 19px/1.1 "Patrick Hand", "Chalkboard SE", "Segoe Print", "Comic Sans MS", cursive;
  white-space: nowrap;
  text-shadow:
    0 0 2px var(--wg-halo),
    0 0 8px var(--wg-halo),
    0 0 14px var(--wg-halo);
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity 140ms ease,
    transform 140ms ease;
}
.welcome-guide.is-on .wg-label {
  opacity: 1;
  transform: none;
  transition:
    opacity 260ms ease 420ms,
    transform 320ms cubic-bezier(0.23, 1, 0.32, 1) 420ms;
}
.welcome-guide.seen.is-on .wg-label {
  transition-delay: 0s;
}
.welcome-guide[data-guide="files"] .wg-label {
  left: calc(18px * var(--wg-scale, 1));
  top: calc(134px * var(--wg-scale, 1));
}
.welcome-guide[data-guide="aa"] .wg-label {
  right: calc(124px * var(--wg-scale, 1));
  top: calc(40px * var(--wg-scale, 1));
}
.welcome-guide[data-guide="outline"] .wg-label {
  left: calc(40px * var(--wg-scale, 1));
  top: calc(92px * var(--wg-scale, 1));
}
/* Beside the pill, not under it: the section breadcrumb lives below. */
.welcome-guide[data-guide="search"] .wg-label {
  left: calc(100% + 4px);
  top: 50%;
  margin-top: -11px;
}
.welcome-guide[data-guide="search"][data-label-side="below"] .wg-label {
  left: 0;
  top: calc(100% + 4px);
  margin-top: 0;
}
.welcome-guide[data-guide="chat"] .wg-label {
  right: calc(134px * var(--wg-scale, 1));
  top: calc(6px * var(--wg-scale, 1));
}
.welcome-underline {
  position: absolute;
  left: -4px;
  bottom: -12px;
  width: calc(100% + 8px);
  height: 14px;
  overflow: visible;
  pointer-events: none;
  opacity: 0;
  transition: opacity 160ms ease;
}
.welcome-underline.is-on {
  opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
  .wg-draw {
    stroke-dashoffset: 0 !important;
    transition: none !important;
  }
  .wg-label {
    transform: none !important;
    transition: opacity 150ms ease !important;
  }
}

.welcome-guide-toggle {
  position: fixed;
  left: 16px;
  bottom: 22px;
  z-index: 1100;
  align-items: center;
  gap: 7px;
  height: 32px;
  padding: 0 12px 0 10px;
  border: 1px solid var(--reader-border-default, var(--border-default));
  border-radius: 999px;
  background: var(--reader-bg-surface, var(--bg-raised));
  color: var(--reader-fg-muted, var(--fg-muted));
  font: 500 13px/1 var(--font-sans);
  cursor: pointer;
  transition: transform 120ms cubic-bezier(0.23, 1, 0.32, 1);
}
.welcome-guide-toggle svg {
  color: var(--reader-link, var(--accent-fg));
}
.welcome-guide-toggle:active {
  transform: scale(0.97);
}
.welcome-guide-toggle:focus-visible {
  outline: 2px solid var(--reader-accent, var(--accent-fg));
  outline-offset: 2px;
}