:root {
  color-scheme: light;
  --ink: #1d1b20;
  --muted: #645e6d;
  --paper: #fff9ed;
  --panel: #ffffff;
  --accent: #ffb000;
  --accent-strong: #ef5b2a;
  --outline: #181818;
  --shadow: 0 22px 70px rgba(30, 22, 13, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 176, 0, 0.35), transparent 32rem),
    linear-gradient(135deg, #fff7d8 0%, #fffaf0 40%, #f2f6ff 100%);
}

button {
  font: inherit;
}

button {
  border: 3px solid var(--outline);
  border-radius: 999px;
  padding: 0.8rem 1.15rem;
  color: var(--ink);
  background: #fff;
  box-shadow: 4px 5px 0 var(--outline);
  cursor: pointer;
  font-weight: 800;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

button:hover {
  transform: translate(-1px, -1px);
  box-shadow: 6px 7px 0 var(--outline);
}

button:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 2px 0 var(--outline);
}

.app-shell {
  width: min(1500px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0 40px;
}

.hero-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 24px;
  padding: 0;
}

.title-area {
  position: relative;
  width: 100%;
}

.app-title {
  height: clamp(118px, 22vw, 220px);
  margin: 0;
  line-height: 0;
  overflow: hidden;
  border-radius: 24px;
}

.app-title img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 4px solid var(--outline);
  border-radius: inherit;
  box-shadow: var(--shadow);
}

.export-action {
  background: #5de37a;
}

.export-action.is-exporting {
  background: #ffffff;
}

.export-action.is-exported {
  background: #5de37a;
}

.export-action.is-export-failed {
  color: #fff;
  background: #d83232;
}

.quick-actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  justify-content: flex-start;
  align-items: center;
  overflow-x: auto;
  overflow-y: hidden;
  margin: -4px -8px -12px;
  padding: 4px 8px 12px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.quick-actions > * {
  flex: 0 0 auto;
}

.primary-action {
  background: var(--accent);
}

.workspace {
  min-width: 0;
}

.danger {
  color: #fff;
  background: #d83232;
}

.toolbar-heading {
  flex: 0 0 auto;
  margin: 0;
  font-size: 1.15rem;
  line-height: 1;
  letter-spacing: -0.05em;
  text-align: right;
}

.page-stage {
  display: grid;
  place-items: center;
  min-width: 0;
  overflow: auto;
  padding: 0;
}

.app-footer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 800;
  text-align: left;
}

.app-footer p {
  margin: 0;
}

.app-footer a {
  color: var(--accent-strong);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.qr-link {
  display: inline-block;
}

.qr-link img {
  display: block;
  width: 112px;
  height: 112px;
}

.new-comic-dialog {
  width: min(92vw, 520px);
  padding: 0;
  border: 4px solid var(--outline);
  border-radius: 28px;
  background: #fffaf0;
  box-shadow: var(--shadow);
}

.new-comic-dialog::backdrop {
  background: rgba(29, 27, 32, 0.55);
}

.new-comic-card {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.dialog-kicker {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 0.75rem;
  font-weight: 950;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.layout-picker {
  display: grid;
  grid-template-columns: repeat(var(--picker-columns), 1fr);
  gap: 6px;
  padding: 10px;
  border: 3px solid var(--outline);
  border-radius: 18px;
  background: #fff;
}

.layout-cell {
  aspect-ratio: 1;
  min-width: 0;
  padding: 0;
  border: 2px solid rgba(24, 24, 24, 0.22);
  border-radius: 6px;
  background: #fff5cb;
  box-shadow: none;
  font-size: clamp(0.7rem, 2vw, 1.05rem);
  line-height: 1;
}

.layout-cell:hover,
.layout-cell:focus-visible,
.layout-cell.is-picked {
  background: var(--accent);
  border-color: var(--outline);
  box-shadow: none;
  transform: none;
}

.layout-cell.is-corner {
  background: var(--accent-strong);
  color: #fff;
}

.layout-cell:active {
  box-shadow: none;
  transform: none;
}

.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.comic-page {
  display: grid;
  grid-template-columns: repeat(var(--comic-columns), 1fr);
  grid-template-rows: repeat(var(--comic-rows), 1fr);
  gap: 12px;
  width: min(100%, 980px);
  aspect-ratio: 3 / 4;
  padding: 14px;
  border: 5px solid var(--outline);
  background: #fff;
  box-shadow: 14px 16px 0 rgba(24, 24, 24, 0.18);
}

.comic-panel {
  position: relative;
  overflow: visible;
  min-width: 0;
  min-height: 0;
  z-index: 1;
  border: 4px solid var(--outline);
  border-radius: 5px;
  background:
    radial-gradient(circle, rgba(255, 176, 0, 0.42) 0 11%, transparent 12%),
    #fff5cb;
  background-size: 28px 28px;
  cursor: pointer;
}

.comic-panel.is-selected {
  z-index: 3;
  outline: 6px solid var(--accent-strong);
  outline-offset: -6px;
}

.comic-panel.has-bubbles {
  z-index: 2;
}

.comic-panel.has-bubbles.is-selected {
  z-index: 3;
}

.panel-image-frame {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.panel-image-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  user-select: none;
  pointer-events: none;
}

.empty-panel {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  color: rgba(29, 27, 32, 0.58);
  font-weight: 950;
  letter-spacing: -0.04em;
  text-align: center;
  text-transform: uppercase;
}

.bubble {
  position: absolute;
  z-index: 2;
  min-width: 76px;
  max-width: 78%;
  padding: 12px 14px;
  border: 3px solid var(--outline);
  border-radius: 999px;
  background: #fff;
  box-shadow: 4px 5px 0 rgba(24, 24, 24, 0.28);
  cursor: grab;
  font-family: "Comic Sans MS", "Comic Neue", "Bradley Hand", cursive;
  font-weight: 950;
  line-height: 1.08;
  letter-spacing: 0.02em;
  text-align: center;
  text-transform: uppercase;
  touch-action: none;
  user-select: none;
}

.bubble-tail {
  position: absolute;
  z-index: 0;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  cursor: pointer;
  transform: var(--tail-transform);
}

.bubble-tail::before,
.bubble-tail::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  transform: translate(-50%, -50%);
}

.bubble-tail::before {
  border-left: 17px solid transparent;
  border-right: 17px solid transparent;
  border-top: 31px solid var(--outline);
}

.bubble-tail::after {
  border-left: 12px solid transparent;
  border-right: 12px solid transparent;
  border-top: 24px solid #fff;
  margin-top: -4px;
}

.bubble-tail:hover,
.bubble-tail:focus-visible {
  box-shadow: none;
  outline: none;
  transform: var(--tail-transform);
}

.bubble-tail:hover::after,
.bubble-tail:focus-visible::after {
  border-top-color: var(--accent);
}

.bubble-tail:active {
  box-shadow: none;
  transform: var(--tail-transform);
}

.tail-left {
  left: -30px;
  top: 50%;
  --tail-transform: translateY(-50%) rotate(90deg);
}

.tail-left-bottom {
  left: 14%;
  bottom: -30px;
  --tail-transform: rotate(0deg);
}

.tail-right-bottom {
  right: 14%;
  bottom: -30px;
  --tail-transform: rotate(0deg);
}

.tail-right {
  right: -30px;
  top: 50%;
  --tail-transform: translateY(-50%) rotate(-90deg);
}

.tail-right-top {
  right: 14%;
  top: -30px;
  --tail-transform: rotate(180deg);
}

.tail-left-top {
  left: 14%;
  top: -30px;
  --tail-transform: rotate(180deg);
}

.bubble.is-selected {
  outline: 4px solid var(--accent);
  outline-offset: 3px;
}

.bubble.is-dragging {
  cursor: grabbing;
}

.bubble-text {
  position: relative;
  z-index: 1;
  display: block;
  outline: none;
  white-space: pre-wrap;
}

.bubble-text:focus {
  caret-color: var(--accent-strong);
}

@media (max-width: 980px) {
  .toolbar-heading {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 18px, 1500px);
    padding-top: 9px;
  }

  .hero-panel {
    border-width: 3px;
    border-radius: 22px;
  }

  .app-title {
    border-radius: 18px;
  }

  .toolbar-heading {
    display: none;
  }

  .qr-link img {
    width: 84px;
    height: 84px;
  }

  .comic-page {
    gap: 6px;
    padding: 8px;
    border-width: 3px;
  }

  .comic-panel {
    border-width: 2px;
  }

  .bubble {
    min-width: 58px;
    padding: 8px 10px;
    border-width: 2px;
    font-size: 0.78rem;
  }
}