/* Tutorial mode (5.4): spotlight frame, step card, explain mode banner, tour chooser and
   the invitation strip on the dashboard. Colours come from tokens.css. */

.tutorial-layer {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  pointer-events: none;
}

.tutorial-block {
  position: absolute;
  inset: 0;
  pointer-events: auto;
}

.tutorial-layer.is-centered .tutorial-block {
  background: var(--scs-overlay);
}

.tutorial-frame {
  position: absolute;
  border: 2px solid var(--scs-accent);
  border-radius: var(--scs-radius-m);
  box-shadow: 0 0 0 9999px var(--scs-overlay);
  transition:
    left 0.18s ease,
    top 0.18s ease,
    width 0.18s ease,
    height 0.18s ease;
}

.tutorial-layer.is-explain .tutorial-block,
.tutorial-layer.is-explain .tutorial-frame {
  display: none;
}

.tutorial-card {
  position: absolute;
  box-sizing: border-box;
  width: min(380px, calc(100vw - 24px));
  padding: var(--scs-space-4);
  border: 1px solid var(--scs-line-strong);
  border-radius: var(--scs-radius-l);
  background: var(--scs-surface);
  color: var(--scs-ink);
  box-shadow: var(--scs-shadow-pop);
  font: var(--scs-text-m) / 1.5 var(--scs-font);
  pointer-events: auto;
}

.tutorial-card.is-loading {
  opacity: 0.6;
}

.tutorial-card header,
.tutorial-chooser header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--scs-space-2);
}

.tutorial-kicker {
  color: var(--scs-accent);
  font-size: var(--scs-text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.tutorial-card h2 {
  margin: var(--scs-space-2) 0 var(--scs-space-1);
  font-size: var(--scs-text-l);
  line-height: 1.3;
}

.tutorial-card p {
  margin: 0 0 var(--scs-space-2);
  color: var(--scs-ink-2);
}

.tutorial-card .tutorial-missing,
.tutorial-chooser .tutorial-missing {
  padding: var(--scs-space-2) var(--scs-space-3);
  border: 1px solid var(--scs-warn-line);
  border-radius: var(--scs-radius-s);
  background: var(--scs-warn-soft);
  color: var(--scs-ink);
  font-size: var(--scs-text-s);
}

.tutorial-close {
  min-width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--scs-ink-3);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.tutorial-close:hover {
  color: var(--scs-ink);
}

.tutorial-progress {
  height: 4px;
  margin: var(--scs-space-3) 0;
  overflow: hidden;
  border-radius: 2px;
  background: var(--scs-surface-3);
}

.tutorial-progress span {
  display: block;
  height: 100%;
  background: var(--scs-accent);
}

.tutorial-card footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--scs-space-2);
}

.tutorial-card footer .tutorial-keys {
  margin-right: auto;
  color: var(--scs-ink-3);
  font-size: var(--scs-text-xs);
}

.tutorial-card footer .tutorial-help {
  flex-basis: 100%;
  justify-content: flex-start;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--scs-accent);
  font-size: var(--scs-text-s);
  text-align: left;
  cursor: pointer;
}

.tutorial-card footer .tutorial-help:hover {
  text-decoration: underline;
}

/* Explain mode */

.tutorial-explaining,
.tutorial-explaining * {
  cursor: help;
}

.tutorial-explaining iframe {
  pointer-events: none;
}

.tutorial-banner {
  position: fixed;
  bottom: 16px;
  left: 50%;
  z-index: 2147483001;
  display: flex;
  align-items: center;
  gap: var(--scs-space-3);
  max-width: calc(100vw - 24px);
  padding: var(--scs-space-2) var(--scs-space-2) var(--scs-space-2) var(--scs-space-4);
  border: 1px solid var(--scs-accent-line);
  border-radius: 999px;
  background: var(--scs-accent-soft);
  color: var(--scs-ink);
  box-shadow: var(--scs-shadow-pop);
  font: var(--scs-text-s) / 1.4 var(--scs-font);
  transform: translateX(-50%);
}

.tutorial-banner,
.tutorial-banner * {
  cursor: default;
}

.tutorial-banner button {
  border-radius: 999px;
  cursor: pointer;
}

.tutorial-hover {
  position: fixed;
  z-index: 2147482999;
  border: 2px dashed var(--scs-accent);
  border-radius: var(--scs-radius-s);
  pointer-events: none;
}

/* Chooser */

.tutorial-chooser {
  box-sizing: border-box;
  width: min(620px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  padding: var(--scs-space-5);
  border: 1px solid var(--scs-line-strong);
  border-radius: var(--scs-radius-l);
  background: var(--scs-surface);
  color: var(--scs-ink);
  box-shadow: var(--scs-shadow-pop);
  font: var(--scs-text-m) / 1.5 var(--scs-font);
}

.tutorial-chooser::backdrop {
  background: var(--scs-overlay);
}

.tutorial-chooser h2 {
  margin: 0;
  font-size: var(--scs-text-xl);
}

.tutorial-chooser h3 {
  margin: var(--scs-space-4) 0 var(--scs-space-2);
  color: var(--scs-ink-3);
  font-size: var(--scs-text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tutorial-chooser > p {
  margin: var(--scs-space-2) 0 0;
  color: var(--scs-ink-2);
}

.tutorial-chooser ul {
  display: grid;
  gap: var(--scs-space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.tutorial-chooser li,
.tutorial-explain-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--scs-space-3);
  padding: var(--scs-space-3) var(--scs-space-4);
  border: 1px solid var(--scs-line);
  border-left: 3px solid var(--scs-accent);
  border-radius: var(--scs-radius-m);
  background: var(--scs-surface);
}

.tutorial-chooser li.is-done {
  border-left-color: var(--scs-ok);
}

.tutorial-chooser li div,
.tutorial-explain-card div {
  display: grid;
  gap: 2px;
}

.tutorial-chooser small {
  color: var(--scs-ink-2);
  font-size: var(--scs-text-s);
}

.tutorial-chooser .tutorial-meta {
  color: var(--scs-ink-3);
  font-size: var(--scs-text-xs);
}

.tutorial-chooser li.is-done .tutorial-meta {
  color: var(--scs-ok);
}

.tutorial-chooser li button,
.tutorial-explain-card button {
  flex: none;
}

.tutorial-explain-card {
  margin-top: var(--scs-space-4);
  border-left-color: var(--scs-kind-requirement);
  background: var(--scs-surface-2);
}

/* Dashboard invitation */

.overview-tutorial {
  display: flex;
  align-items: center;
  gap: var(--scs-space-3);
  margin-bottom: var(--scs-space-4);
  padding: var(--scs-space-3) var(--scs-space-4);
  border: 1px solid var(--scs-accent-line);
  border-radius: var(--scs-radius-m);
  background: var(--scs-accent-soft);
}

.overview-tutorial[hidden] {
  display: none;
}

.overview-tutorial > div {
  display: grid;
  flex: 1;
  gap: 2px;
}

.overview-tutorial > div span {
  color: var(--scs-ink-2);
  font-size: var(--scs-text-s);
}

.tutorial-strip-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--scs-surface);
  color: var(--scs-accent);
}

.tutorial-strip-icon svg {
  width: 20px;
  height: 20px;
}

@media (max-width: 760px) {
  .overview-tutorial {
    flex-wrap: wrap;
  }
}

/* Sidebar entry below "Help & shortcuts" */

.sidebar-bottom #tutorial {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin: -4px 0 10px;
  padding: 8px 10px;
  border: 1px solid var(--scs-nav-3);
  border-radius: 6px;
  background: var(--scs-nav-2);
  color: var(--scs-nav-ink);
  font-size: 12px;
  line-height: 1.4;
  text-align: left;
  white-space: normal;
}

.sidebar-bottom #tutorial:hover {
  background: var(--scs-nav-3);
}

.sidebar-bottom #tutorial .navigation-icon {
  width: 18px;
  height: 18px;
}