:root {
  color-scheme: dark;
  --bg: #1f211f;
  --surface: #2b2d2a;
  --surface-2: #343733;
  --line: #464a45;
  --text: #f0eee8;
  --muted: #aaa69a;
  --accent: #4f8cff;
  --danger: #df615a;
  --canvas-grid: rgba(255, 255, 255, 0.055);
  --zoom: 1;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, system-ui, sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
}

button:hover {
  border-color: #6b7169;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

input,
select,
textarea {
  min-width: 0;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #1b1c1a;
  color: var(--text);
  padding: 0 8px;
}

input,
select {
  height: 30px;
}

input[type="number"] {
  font-variant-numeric: tabular-nums;
}

input[type="number"]:focus {
  border-color: var(--accent);
  outline: 1px solid var(--accent);
  outline-offset: 0;
}

textarea {
  min-height: 72px;
  padding: 7px 8px;
  resize: vertical;
}

input[type="color"] {
  padding: 2px;
}

.studio {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 320px;
  grid-template-rows: 42px minmax(0, 1fr) 52px;
  width: 100vw;
  height: 100dvh;
  background: var(--bg);
}

.menu-bar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  border-bottom: 1px solid var(--line);
  background: #262824;
  padding: 0 10px 0 14px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.brand strong {
  white-space: nowrap;
}

.brand span,
.muted {
  color: var(--muted);
  font-size: 12px;
}

.menu-actions {
  display: flex;
  gap: 6px;
}

.menu-actions button,
.dialog-actions button {
  min-width: 62px;
  height: 28px;
  padding: 0 10px;
}

.primary {
  border-color: #6da0ff;
  background: var(--accent);
  color: #fff;
}

.is-active {
  border-color: #79a9ff;
  background: #315caa;
  color: #fff;
}

.toolbar {
  grid-row: 2 / 4;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  border-right: 1px solid var(--line);
  background: #252722;
  padding: 10px 6px;
}

.tool-button {
  width: 34px;
  height: 34px;
  padding: 0;
  font-size: 16px;
}

.workspace {
  grid-column: 2;
  grid-row: 2;
  min-width: 0;
  min-height: 0;
}

.canvas-shell {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background:
    linear-gradient(var(--canvas-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--canvas-grid) 1px, transparent 1px),
    #191b19;
  background-size: 48px 48px;
}

.preview-viewport {
  position: absolute;
  inset: 0;
  overflow: visible;
}

.canvas-shell.is-phone-preview .preview-viewport {
  inset: 50% auto auto 50%;
  overflow: hidden;
  transform: translate(-50%, -50%);
  border: 1px solid #686d66;
  border-radius: 8px;
  background: #111;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.55);
}

.canvas-stage {
  position: absolute;
  left: 0;
  top: 0;
  transform-origin: 0 0;
}

.manga-canvas {
  position: relative;
  overflow: hidden;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.42);
}

.manga-canvas.horizontal {
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.42);
}

.ruler {
  position: absolute;
  z-index: 30;
  background: rgba(37, 39, 34, 0.9);
  pointer-events: none;
  color: #aeb3aa;
  font: 9px/1 system-ui, sans-serif;
  overflow: visible;
}

.ruler-x {
  left: 0;
  right: 0;
  top: 0;
  height: 38px;
  border-bottom: 1px solid var(--line);
}

.ruler-y {
  left: 0;
  top: 0;
  bottom: 0;
  width: 46px;
  border-right: 1px solid var(--line);
}

.ruler.is-active-axis {
  pointer-events: auto;
}

.ruler-tick {
  position: absolute;
  display: block;
  pointer-events: none;
}

.ruler-y .ruler-tick {
  top: var(--ruler-position);
  right: 0;
  width: 100%;
  border-top: 1px solid #686d65;
}

.ruler-y .ruler-tick i {
  position: absolute;
  right: 0;
  width: 10px;
  border-top: 1px solid #b1b6ad;
}

.ruler-y .ruler-tick b {
  position: absolute;
  right: 14px;
  top: -4px;
  font-weight: 500;
}

.ruler-x .ruler-tick {
  left: var(--ruler-position);
  bottom: 0;
  height: 100%;
  border-left: 1px solid #686d65;
}

.ruler-x .ruler-tick i {
  position: absolute;
  bottom: 0;
  height: 10px;
  border-left: 1px solid #b1b6ad;
}

.ruler-x .ruler-tick b {
  position: absolute;
  left: 3px;
  bottom: 14px;
  font-weight: 500;
}

.ruler-current {
  position: absolute;
  z-index: 2;
  pointer-events: none;
}

.ruler-y .ruler-current {
  top: var(--ruler-position);
  left: 0;
  right: -100vw;
  border-top: 1px solid #f2f0e6;
}

.ruler-x .ruler-current {
  left: var(--ruler-position);
  top: 0;
  bottom: -100vh;
  border-left: 1px solid #f2f0e6;
}

.ruler-effect-marker {
  position: absolute;
  z-index: 4;
  min-width: 0;
  height: 15px;
  padding: 1px 4px;
  border: 0;
  border-radius: 2px;
  background: var(--marker-color);
  color: #101210;
  font-size: 8px;
  line-height: 13px;
  white-space: nowrap;
  cursor: grab;
}

.ruler-effect-marker:active { cursor: grabbing; }

.ruler-y .ruler-effect-marker {
  top: var(--ruler-position);
  left: calc(48px + var(--marker-lane));
  transform: translateY(-50%);
}

.ruler-x .ruler-effect-marker {
  left: var(--ruler-position);
  top: calc(40px + var(--marker-lane));
  transform: translateX(-50%);
}

.number-with-unit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 20px;
  align-items: center;
  gap: 5px;
}

.number-with-unit small { color: var(--muted); }

.empty-state {
  position: absolute;
  left: 50%;
  top: 50%;
  max-width: 380px;
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(36, 38, 34, 0.92);
  color: var(--muted);
  text-align: center;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.comic-panel {
  position: absolute;
  overflow: visible;
  box-sizing: border-box;
  border-style: solid;
  background: #fff;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
  transform-origin: center center;
  will-change: transform;
}

.panel-clip {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #fff;
}

.comic-panel.is-selected {
  outline: calc(2px / var(--zoom)) solid var(--accent);
  outline-offset: calc(6px / var(--zoom));
}

.comic-panel.is-selected .manga-layer {
  cursor: move;
}

.selection-marquee {
  position: absolute;
  z-index: 100;
  border: calc(1px / var(--zoom)) solid #7fb0ff;
  background: rgba(79, 140, 255, 0.16);
  pointer-events: none;
}

.comic-panel.is-locked::after {
  content: "LOCK";
  position: absolute;
  right: 6px;
  top: 6px;
  z-index: 20;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  font-size: 11px;
  padding: 2px 4px;
}

.manga-layer {
  position: absolute;
  transform-origin: center center;
  cursor: grab;
  touch-action: none;
}

.manga-layer.is-overlay {
  filter: drop-shadow(0 10px 16px rgba(0, 0, 0, 0.18));
}

.is-preview .manga-layer[data-has-link="true"],
.is-preview .comic-panel[data-has-link="true"] {
  cursor: pointer;
}

.manga-layer img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.manga-layer.is-selected {
  outline: calc(2px / var(--zoom)) solid var(--accent);
  outline-offset: calc(4px / var(--zoom));
}

.handle {
  position: absolute;
  z-index: 50;
  width: calc(18px / var(--zoom));
  height: calc(18px / var(--zoom));
  border: calc(2px / var(--zoom)) solid var(--accent);
  border-radius: 50%;
  background: #fff;
}

.handle.resize,
.handle.panel-resize,
.handle.canvas-resize {
  right: calc(-9px / var(--zoom));
  bottom: calc(-9px / var(--zoom));
  cursor: nwse-resize;
}

.handle.rotate,
.handle.panel-rotate,
.handle.canvas-rotate {
  left: 50%;
  top: calc(-34px / var(--zoom));
  transform: translateX(-50%);
  cursor: grab;
}

.handle.rotate::after,
.handle.panel-rotate::after,
.handle.canvas-rotate::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  width: calc(2px / var(--zoom));
  height: calc(18px / var(--zoom));
  background: var(--accent);
}

.layer-group-label {
  margin: 9px 0 5px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.right-rail {
  grid-column: 3;
  grid-row: 2 / 4;
  min-height: 0;
  overflow: auto;
  border-left: 1px solid var(--line);
  background: #242622;
}

.panel-block {
  border-bottom: 1px solid var(--line);
  padding: 12px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.panel-heading h2 {
  margin: 0;
  color: #d9d5ca;
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ghost {
  height: 26px;
  padding: 0 8px;
  background: transparent;
}

.danger {
  border-color: rgba(223, 97, 90, 0.65);
  color: #ffaaa4;
}

.field {
  display: grid;
  gap: 5px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.color-row {
  grid-template-columns: 1fr 52px;
  align-items: center;
}

.color-row span {
  grid-column: 1 / -1;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-bottom: 10px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #1c1e1b;
}

.segmented button {
  height: 28px;
  border-color: transparent;
  background: transparent;
}

.segmented.compact {
  width: 108px;
  margin: 0;
}

.segmented.compact button {
  height: 24px;
  font-size: 11px;
}

[data-effect-toggle] button,
[data-link-toggle] button {
  opacity: 0.5;
}

[data-effect-toggle] button.is-active[data-value="on"],
[data-link-toggle] button.is-active[data-value="on"] {
  border-color: #65d69a;
  background: #17613f;
  color: #effff6;
  box-shadow: inset 0 0 0 1px rgba(101, 214, 154, 0.35);
  opacity: 1;
}

[data-effect-toggle] button.is-active[data-value="off"],
[data-link-toggle] button.is-active[data-value="off"] {
  border-color: #e87974;
  background: #712e31;
  color: #fff2f1;
  box-shadow: inset 0 0 0 1px rgba(232, 121, 116, 0.3);
  opacity: 1;
}

#playButton.is-playing {
  border-color: #65d69a;
  background: #17613f;
  color: #effff6;
}

.toggle-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.range-field {
  grid-template-columns: 72px minmax(0, 1fr) 38px;
  align-items: center;
}

.range-field span {
  color: var(--muted);
}

.range-field input {
  height: 24px;
  padding: 0;
}

.range-field output {
  color: var(--muted);
  font-size: 11px;
  text-align: right;
}

.effect-block {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.effect-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 12px;
}

.preset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 12px;
}

.preset-grid button {
  min-height: 34px;
  padding: 4px 6px;
  font-size: 12px;
}

.layer-panel {
  padding-bottom: 16px;
}

.layer-list {
  display: grid;
  gap: 6px;
}

.layer-row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 24px;
  gap: 8px;
  align-items: center;
  width: 100%;
  min-height: 42px;
  padding: 4px;
  text-align: left;
}

.layer-row img {
  width: 34px;
  height: 34px;
  border-radius: 4px;
  background: #fff;
  object-fit: cover;
}

.layer-row span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-row small {
  color: #8bb1ff;
  text-align: center;
}

.timeline {
  grid-column: 2;
  grid-row: 3;
  display: grid;
  grid-template-columns: 38px auto minmax(0, 1fr) 88px 52px;
  gap: 10px;
  align-items: center;
  border-top: 1px solid var(--line);
  background: #252722;
  padding: 8px 12px;
}

.preview-device-control {
  display: flex;
  width: 136px;
}

.preview-device-control[hidden] {
  display: none;
}

.preview-device-control button {
  flex: 1;
  min-width: 0;
  height: 30px;
  padding: 0 8px;
  white-space: nowrap;
}

.timeline button {
  height: 32px;
}

.timeline-slider {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
}

#scrollValue,
#zoomValue {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
  white-space: nowrap;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  background: rgba(0, 0, 0, 0.58);
}

.modal.is-open {
  display: grid;
}

.dialog {
  width: min(420px, calc(100vw - 24px));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 16px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

.dialog h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
}

.link-popup {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.68);
  padding: 20px;
}

.link-popup-card {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 10px;
  width: min(920px, calc(100vw - 32px));
  height: min(720px, calc(100vh - 32px));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: #171814;
  padding: 14px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.44);
}

.link-popup-card h2 {
  margin: 0;
  padding-right: 42px;
  font-size: 18px;
}

.link-popup-card iframe {
  width: 100%;
  height: 100%;
  border: 1px solid #d7d7d7;
}

.link-popup-card p {
  margin: 0;
  color: #272925;
  line-height: 1.7;
  white-space: pre-wrap;
}

.link-popup-card a {
  color: #2458d8;
}

.link-popup-close {
  position: absolute;
  right: 12px;
  top: 10px;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: #ececec;
  color: #111;
  font-size: 20px;
}

.is-preview .ruler,
.is-preview + .empty-state {
  display: none;
}

@media (max-width: 900px) {
  .studio {
    grid-template-columns: 44px minmax(0, 1fr);
    grid-template-rows: 42px minmax(0, 1fr) 220px 52px;
  }

  .right-rail {
    grid-column: 2;
    grid-row: 3;
    display: grid;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    overflow: auto;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .timeline {
    grid-row: 4;
  }

  .menu-actions button {
    min-width: 42px;
    padding: 0 6px;
  }

  .brand span {
    display: none;
  }
}