/* The demo page (demo/index.html): DropLaunch's window beside the tour, in the site's colours
   (assets/site.css). */

.tour-main {
  --pad: 20px;
  --bar: 34px;
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 20px;
  padding: var(--pad);
}

/* Big screens: the page is the window and the tour, and only the tour scrolls. */
@media (min-width: 1100px) {
  body.tour-page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
  }

  .tour-main {
    flex: 1;
    min-height: 0;
  }
}

/* Not the home page's sections (site.css). */
.tour-main section {
  padding: 0;
  border: 0;
}

/* ---------------------------------------------------------------- the window */
.stage {
  flex: 0 1 auto;
  min-width: 0;
  display: flex;
  align-items: flex-start;
}

.win {
  position: relative;
  flex: none;
}

.win-frame {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--bg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.win-bar {
  flex: none;
  display: flex;
  align-items: center;
  gap: 8px;
  height: var(--bar);
  padding: 0 12px;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12.5px;
  white-space: nowrap;
  user-select: none;
}

.win-bar img {
  width: 16px;
  height: 16px;
  border-radius: 4px;
}

.win-title {
  color: var(--text-strong);
  font-weight: 600;
}

.win-hint {
  overflow: hidden;
  text-overflow: ellipsis;
}

.win-hint::before {
  content: "·";
  margin-right: 8px;
  color: var(--faint);
}

.win-size {
  margin-left: auto;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}

.win-body {
  position: relative;
  width: 640px;
  height: 860px;
}

.win.smooth .win-body {
  transition: width 0.25s ease, height 0.25s ease;
}

@media (prefers-reduced-motion: reduce) {
  .win.smooth .win-body {
    transition: none;
  }
}

.win-body iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--bg);
}

.win-cover {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: var(--bg);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

/* Edges and corners to resize it by. */
.grip {
  position: absolute;
  z-index: 2;
  touch-action: none;
}

.grip-e,
.grip-w {
  top: 12px;
  bottom: 12px;
  width: 14px;
  cursor: ew-resize;
}

.grip-e {
  right: -8px;
}

.grip-w {
  left: -8px;
}

.grip-s {
  left: 12px;
  right: 12px;
  bottom: -8px;
  height: 14px;
  cursor: ns-resize;
}

.grip-se,
.grip-sw {
  bottom: -10px;
  width: 22px;
  height: 22px;
}

.grip-se {
  right: -10px;
  cursor: nwse-resize;
}

.grip-sw {
  left: -10px;
  cursor: nesw-resize;
}

.grip-e::before,
.grip-w::before,
.grip-s::before {
  content: "";
  position: absolute;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.15s;
}

.grip-e::before,
.grip-w::before {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

.grip-s::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.grip:hover::before {
  opacity: 0.7;
}

/* A mark just outside the corner: it can be resized. */
.grip-se::after {
  content: "";
  position: absolute;
  right: 2px;
  bottom: 2px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--faint);
  border-bottom: 2px solid var(--faint);
  border-bottom-right-radius: 3px;
}

.grip-se:hover::after {
  border-color: var(--accent);
}

/* While resizing, the app mustn't take the mouse. */
body.resizing {
  user-select: none;
}

body.resizing iframe {
  pointer-events: none;
}

body[data-edge="e"],
body[data-edge="w"] {
  cursor: ew-resize;
}

body[data-edge="s"] {
  cursor: ns-resize;
}

body[data-edge="se"] {
  cursor: nwse-resize;
}

body[data-edge="sw"] {
  cursor: nesw-resize;
}

/* ---------------------------------------------------------------- the tour */
.tour {
  flex: none;
  display: flex;
  flex-direction: column;
  width: clamp(340px, 26vw, 420px);
  min-height: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.tour:focus {
  outline: none;
}

.tour-head {
  flex: none;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--line);
}

.tour-head .eyebrow {
  margin-bottom: 8px;
  font-size: 12px;
}

.tour-head h1 {
  font-size: 21px;
}

.tour-head p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.5;
}

.tour-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.tour-bar {
  flex: 1;
  height: 6px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--inset);
}

.tour-bar i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--ok);
  transition: width 0.4s ease;
}

.tour-list {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 4px 12px 16px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.14) transparent;
}

.tour-sec h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 8px 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tour-sec h2 span {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11.5px;
  letter-spacing: 0;
}

.tour-sec ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.step {
  border-radius: 12px;
  transition: background-color 0.2s;
}

.step + .step {
  margin-top: 2px;
}

.step.current {
  background: var(--inset);
  box-shadow: inset 0 0 0 1px var(--line);
}

.step-head {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  border-radius: 12px;
  background: none;
  color: var(--text);
  font: inherit;
  font-size: 15px;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
}

.step-head:hover {
  background: rgba(255, 255, 255, 0.03);
}

.step.current .step-head {
  color: var(--text-strong);
  font-weight: 600;
}

.step[data-state="done"] .step-title,
.step[data-state="skipped"] .step-title {
  color: var(--muted);
}

.step-title {
  flex: 1;
  min-width: 0;
}

.step-note {
  flex: none;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* The circle: empty, turning while it runs, a tick when done. */
.step-mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 2px solid var(--line-strong);
  border-radius: 50%;
  color: #10131c;
}

.step-mark .icon {
  width: 13px;
  height: 13px;
  stroke-width: 3;
  opacity: 0;
}

.step.current .step-mark {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.step[data-state="active"] .step-mark {
  border-color: var(--accent);
  border-top-color: transparent;
  box-shadow: none;
  animation: tour-spin 0.9s linear infinite;
}

.step[data-state="done"] .step-mark {
  border-color: var(--ok);
  background: var(--ok);
}

.step[data-state="skipped"] .step-mark {
  border-color: var(--faint);
  background: var(--faint);
}

.step[data-state="done"] .step-mark .icon,
.step[data-state="skipped"] .step-mark .icon {
  opacity: 1;
}

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

@media (prefers-reduced-motion: no-preference) {
  .step.just .step-mark {
    animation: tour-pop 0.5s ease;
  }

  .step-how.nudge {
    animation: tour-nudge 0.7s ease;
  }
}

@keyframes tour-pop {
  40% {
    transform: scale(1.3);
  }
}

@keyframes tour-nudge {
  0%,
  100% {
    background: transparent;
  }
  30% {
    background: var(--accent-soft);
  }
}

.step-body {
  padding: 0 14px 14px 44px;
  font-size: 14px;
  line-height: 1.55;
}

.step-body > * + * {
  margin-top: 10px;
}

.step-body code {
  overflow-wrap: anywhere;
}

.step-pc,
.step-how {
  margin-left: -8px;
  padding: 6px 8px;
  border-radius: 8px;
}

.step-pc > b:first-child,
.step-how > b:first-child {
  display: block;
  margin-bottom: 2px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step-pc code + code {
  margin-left: 4px;
}

.step-how b {
  color: var(--text-strong);
}

/* A running step: its own progress. */
.step-live {
  color: var(--muted);
  font-size: 12.5px;
}

.step-live .tour-bar {
  height: 4px;
  margin-bottom: 6px;
}

.step-live .tour-bar i {
  background: var(--accent);
  transition: width 0.3s ease;
}

.step-live.unknown .tour-bar i {
  width: 30%;
  animation: tour-slide 1.2s ease-in-out infinite;
}

@keyframes tour-slide {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(340%);
  }
}

.step-show {
  min-height: 32px;
  padding: 4px 12px;
  font-size: 13.5px;
}

.step-show .icon {
  width: 16px;
  height: 16px;
}

.tour-end {
  margin: 16px 0 4px;
  padding: 16px;
  border: 1px solid rgba(76, 195, 138, 0.3);
  border-radius: 12px;
  background: rgba(76, 195, 138, 0.08);
}

.tour-end h2 {
  font-size: 17px;
}

.tour-end p {
  margin: 6px 0 14px;
  font-size: 14px;
}

.tour-foot {
  flex: none;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
}

.tour-foot .icon {
  width: 17px;
  height: 17px;
}

/* On a small screen: the step to do next, above the window. */
.tour-mini {
  display: none;
}

/* ---------------------------------------------------------------- smaller screens */
/* The window is as wide as the page, with the tour under it. */
@media (max-width: 1099px) {
  .tour-main {
    flex-direction: column;
    gap: 16px;
    padding: 16px;
  }

  .stage {
    display: block;
  }

  .win-body {
    width: auto;
    height: calc(100vh - 62px - var(--bar) - 110px);
    height: calc(100dvh - 62px - var(--bar) - 110px);
    min-height: 460px;
    max-height: 950px;
  }

  .grip {
    display: none;
  }

  .tour {
    width: auto;
  }

  .tour-list {
    overflow: visible;
  }

  .tour-mini {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--card);
    color: var(--text-strong);
    font-size: 14px;
  }

  .tour-mini:hover {
    color: var(--text-strong);
    text-decoration: none;
  }

  .tour-mini-count {
    flex: none;
    color: var(--accent);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
  }

  .tour-mini-title {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .tour-mini .icon {
    width: 18px;
    height: 18px;
    color: var(--muted);
  }
}

@media (max-width: 560px) {
  .win-hint {
    display: none;
  }
}