*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--color-outer);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
}

body.scroll-locked {
  position: fixed;
  width: 100%;
  overflow: hidden;
}

h1,
h2,
h3,
p {
  margin: 0;
}

button,
input,
output {
  font: inherit;
  color: inherit;
}

.icon {
  width: 1.4em;
  height: 1.4em;
  flex: none;
}

/* ---------- 整体：手机竖屏比例的一列，宽屏下居中留白；舞台铺满整页，顶栏与传送带盖在舞台上 ---------- */

/* 盖在舞台上的控件用 float 两个变量取色：舞台是黑色背景时黑白对调，才不会和背景糊在一起 */
.app {
  --float-bg: var(--color-bg);
  --float-ink: var(--color-ink);
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(100%, var(--app-max));
  height: 100dvh;
  margin: 0 auto;
  background: var(--color-bg);
  overflow: hidden;
}

.topbar {
  position: relative;
  z-index: var(--z-topbar);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  min-height: var(--topbar-total);
  padding: var(--safe-top) var(--space-4) 0;
  background: var(--color-bar);
}

.title {
  color: var(--color-bar-text);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.3;
}

/* ---------- 舞台 ---------- */

.stage {
  position: absolute;
  inset: 0;
  background: var(--color-bg);
  overflow: hidden;
}

#viewport {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: grab;
}

.app[data-background='dark'] {
  --float-bg: var(--color-ink);
  --float-ink: var(--color-bg);
}

.app[data-background='dark'] .stage {
  background: var(--color-ink);
}

.stage.is-dragging #viewport {
  cursor: grabbing;
}

.tool-column {
  position: absolute;
  top: calc(var(--topbar-total) + var(--space-4));
  left: calc(var(--space-4) + var(--safe-left));
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.tool-record {
  position: absolute;
  top: calc(var(--topbar-total) + var(--space-4));
  right: calc(var(--space-4) + var(--safe-right));
}

.tool {
  display: grid;
  place-items: center;
  width: var(--tool-size);
  height: var(--tool-size);
  padding: 0;
  background: var(--float-bg);
  color: var(--float-ink);
  border: var(--stroke) solid var(--float-ink);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.tool[aria-pressed='true'],
.tool[aria-expanded='true'] {
  background: var(--float-ink);
  color: var(--float-bg);
}

/* 光源面板：盖在底部，接替传送带，实心底色 */
.light-panel {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: var(--z-capture);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4) calc(var(--space-3) + var(--safe-bottom));
  background: var(--color-bg);
  color: var(--color-ink);
  border-top: var(--stroke) solid var(--color-ink);
}

.light-switches {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
}

.light-switch {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.light-label {
  font-weight: 700;
}

.light-panel .slider-row {
  flex: none;
  flex-wrap: nowrap;
}

.light-panel .slider-readout {
  margin-left: 0;
}

.light-panel .range {
  flex: 1;
}

.light-panel .num-input {
  width: 4.2em;
}

.seg {
  display: inline-flex;
  border: var(--stroke) solid var(--color-ink);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.seg-btn {
  min-height: 44px;
  padding: 0 var(--space-4);
  background: var(--color-bg);
  border: 0;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.seg-btn + .seg-btn {
  border-left: var(--stroke) solid var(--color-ink);
}

.seg-btn[aria-checked='true'] {
  background: var(--color-ink);
  color: var(--color-bg);
}

.tool:focus-visible {
  outline: var(--stroke) solid var(--float-ink);
  outline-offset: 3px;
}

.seg-btn:focus-visible {
  outline: var(--stroke) solid var(--color-ink);
  outline-offset: -6px;
}

.btn:focus-visible,
.icon-btn:focus-visible,
.tray-add:focus-visible,
.tray-item:focus-visible,
.menu-btn:focus-visible,
.input:focus-visible,
.num-input:focus-visible,
.select-trigger:focus-visible,
.select-option:focus-visible,
.range:focus-visible {
  outline: var(--stroke) solid var(--color-ink);
  outline-offset: 3px;
}

/* ---------- 录屏取景框 ---------- */

.record-frame {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.record-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: var(--stroke) dashed var(--color-ink);
  border-radius: var(--radius-sm);
  box-shadow:
    0 0 0 1px var(--color-halo),
    inset 0 0 0 1px var(--color-halo),
    0 0 0 100vmax var(--color-frame-dim);
}

.record-badge {
  position: absolute;
  top: 0;
  left: 50%;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: var(--color-ink);
  color: var(--color-bg);
  border-radius: var(--radius-full);
  box-shadow: 0 0 0 2px var(--color-halo);
  font-weight: 700;
  white-space: nowrap;
  transform: translate(-50%, -50%);
  visibility: hidden;
}

.record-frame[data-state='recording'] .record-badge {
  visibility: visible;
}

.record-dot {
  width: 10px;
  height: 10px;
  background: var(--color-bg);
  border-radius: 50%;
  animation: record-blink 1s ease-in-out infinite;
}

@keyframes record-blink {
  50% {
    opacity: 0.2;
  }
}

.record-frame[data-state='recording'] .record-box {
  border-style: solid;
  animation: record-pulse 1.1s ease-in-out infinite;
}

@keyframes record-pulse {
  50% {
    border-color: var(--color-ink-3);
  }
}

.record-bar {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: var(--z-capture);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3) calc(var(--space-3) + var(--safe-bottom));
  background: var(--color-bg);
  border-top: var(--stroke) solid var(--color-ink);
  pointer-events: auto;
}

.record-status {
  font-weight: 700;
}

.record-status:empty {
  display: none;
}

.record-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

/* ---------- 底部传送带 ---------- */

.tray {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: var(--z-tray);
  height: calc(var(--tray-height) + var(--safe-bottom));
  pointer-events: none;
  transition: transform 0.2s ease, visibility 0s;
}

.tray > * {
  pointer-events: auto;
}

/* 录屏面板或光源面板打开时传送带收到画面下方，由面板接替底部 */
.app.is-capturing .tray,
.app.is-lighting .tray {
  transform: translateY(100%);
  visibility: hidden;
  transition: transform 0.2s ease, visibility 0s 0.2s;
}

.belt {
  position: absolute;
  pointer-events: none;
  right: 0;
  bottom: 0;
  left: 0;
  height: calc(var(--belt-height) + var(--safe-bottom));
  background: repeating-linear-gradient(-58deg, var(--color-belt-a) 0 20px, var(--color-belt-b) 20px 32px);
}

.belt::before,
.belt::after {
  content: '';
  position: absolute;
  right: 0;
  left: 0;
  background: var(--color-ink);
}

.belt::before {
  top: 0;
  height: 8px;
}

.belt::after {
  bottom: 0;
  height: 4px;
}

.bubble {
  position: absolute;
  background: var(--bubble-bg, var(--color-bg));
  border: var(--stroke) solid var(--color-ink);
  border-radius: var(--radius-md);
}

/* 尾巴是一个转了 45 度的方块，底色与边框和气泡一致，与气泡连成一条线 */
.bubble::after {
  content: '';
  position: absolute;
  bottom: calc(-1 * (var(--stroke) + 7px));
  left: var(--bubble-arrow, 50%);
  width: 14px;
  height: 14px;
  background: var(--bubble-bg, var(--color-bg));
  border-right: var(--stroke) solid var(--color-ink);
  border-bottom: var(--stroke) solid var(--color-ink);
  border-bottom-right-radius: 3px;
  transform: translateX(-50%) rotate(45deg);
}

.tray-add {
  --bubble-bg: var(--float-ink);
  --bubble-arrow: 26px;
  bottom: calc(var(--belt-height) + var(--safe-bottom) + var(--space-4));
  left: calc(var(--space-3) + var(--safe-left));
  display: grid;
  place-items: center;
  width: 60px;
  height: 52px;
  padding: 0;
  color: var(--float-bg);
  cursor: pointer;
}

.tray-add .icon {
  width: 30px;
  height: 30px;
}

.tray-list {
  position: absolute;
  right: 0;
  bottom: 0;
  left: calc(var(--space-3) + var(--safe-left) + 72px);
  display: flex;
  align-items: flex-end;
  gap: var(--space-4);
  height: var(--tray-height);
  padding: var(--space-5) var(--space-4) calc(var(--safe-bottom) + 16px);
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior: contain;
  scrollbar-width: none;
}

.tray-list::-webkit-scrollbar {
  display: none;
}

.tray-list.is-dragging,
.tray-list.is-dragging .tray-item {
  cursor: grabbing;
}

.tray-item {
  position: relative;
  flex: none;
  height: var(--tray-item-height);
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  touch-action: pan-x;
  -webkit-touch-callout: none;
  user-select: none;
}

.tray-item img {
  display: block;
  width: auto;
  height: 100%;
  max-width: 140px;
  object-fit: contain;
  pointer-events: none;
}

.tray-item.is-selected::before {
  content: '';
  position: absolute;
  top: -16px;
  left: 50%;
  border: 8px solid transparent;
  border-top: 10px solid var(--float-ink);
  border-bottom: 0;
  transform: translateX(-50%);
}

.tray-menu {
  z-index: var(--z-menu);
  display: flex;
  gap: var(--space-1);
  padding: var(--space-1);
}

.menu-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 44px;
  padding: 0 var(--space-3);
  background: none;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  font-weight: 700;
}

.menu-btn:hover {
  background: var(--color-surface-2);
}

/* ---------- 弹窗 ---------- */

.overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-dialog);
  display: grid;
  place-items: center;
  padding: var(--space-4);
  background: var(--color-overlay);
  opacity: 0;
  transition: opacity 0.16s ease;
}

.overlay.is-open {
  opacity: 1;
}

#confirmOverlay {
  z-index: var(--z-confirm);
}

.dialog {
  display: flex;
  flex-direction: column;
  width: min(100%, 560px);
  max-height: min(100%, 860px);
  background: var(--color-bg);
  border: var(--stroke) solid var(--color-ink);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.dialog-small {
  width: min(100%, 380px);
}

.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: none;
  padding: var(--space-3) var(--space-4);
  border-bottom: var(--stroke) solid var(--color-ink);
}

.dialog-head h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
}

.dialog-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-4);
  min-height: 0;
  padding: var(--space-4);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.dialog-foot {
  flex: none;
  padding: var(--space-3) var(--space-4) var(--space-4);
  border-top: var(--stroke) solid var(--color-ink);
}

.dialog-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}

.form-error {
  min-height: 1.5em;
  margin-bottom: var(--space-2);
  font-weight: 700;
}

/* ---------- 表单区块 ---------- */

.block {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--stroke) solid var(--color-ink);
  border-radius: var(--radius-md);
}

.block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.block-title {
  white-space: nowrap;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
}

.input {
  width: 100%;
  min-height: 44px;
  padding: 0 var(--space-3);
  background: var(--color-bg);
  border: var(--stroke) solid var(--color-ink);
  border-radius: var(--radius-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-4);
  background: var(--color-bg);
  border: var(--stroke) solid var(--color-ink);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  font-weight: 700;
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-ink);
  color: var(--color-bg);
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--color-bg);
  border: var(--stroke) solid var(--color-ink);
  border-radius: 50%;
  cursor: pointer;
}

/* ---------- 画稿与贴片的预览 ---------- */

.crop-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.crop-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.crop-label {
  font-weight: 700;
}

.crop-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  background: repeating-conic-gradient(var(--color-bg) 0 25%, var(--color-surface-2) 0 50%) 0 0 / 16px 16px;
  border: var(--stroke) solid var(--color-ink);
  border-radius: var(--radius-sm);
  overflow: hidden;
  touch-action: none;
}

.crop-stage[data-interactive] {
  cursor: move;
}

.crop-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  user-select: none;
}

.crop-circle {
  position: absolute;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* 黑线外加一圈白边，压在黑色画稿上也看得见 */
.crop-circle-actual {
  border: 2px solid var(--color-ink);
  box-shadow:
    0 0 0 1px var(--color-halo),
    inset 0 0 0 1px var(--color-halo);
}

.crop-circle-bleed {
  border: 2px dashed var(--color-ink);
  box-shadow:
    0 0 0 1px var(--color-halo),
    inset 0 0 0 1px var(--color-halo);
}

.crop-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.crop-actions .btn {
  padding: 0 var(--space-3);
}

.crop-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nudge {
  display: grid;
  grid-template-columns: repeat(3, 44px);
  grid-template-rows: repeat(2, 44px);
  gap: var(--space-1);
  flex: none;
}

.nudge-up {
  grid-column: 2;
  grid-row: 1;
}

.nudge-left {
  grid-column: 1;
  grid-row: 2;
}

.nudge-down {
  grid-column: 2;
  grid-row: 2;
}

.nudge-right {
  grid-column: 3;
  grid-row: 2;
}

/* ---------- 滑块 ---------- */

.slider-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  flex: 1;
  gap: var(--space-1) var(--space-3);
  min-width: 0;
}

.crop-box .slider-row {
  flex: none;
}

.slider-name {
  flex: none;
}

.slider-readout {
  display: inline-flex;
  align-items: center;
  flex: none;
  gap: var(--space-1);
  margin-left: auto;
  font-weight: 700;
}

.num-input {
  width: 5em;
  min-height: 44px;
  padding: 0 var(--space-2);
  background: var(--color-bg);
  border: var(--stroke) solid var(--color-ink);
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  appearance: textfield;
  -moz-appearance: textfield;
}

.num-input::-webkit-inner-spin-button,
.num-input::-webkit-outer-spin-button {
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
}

.num-input:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.crop-controls .slider-row {
  flex-wrap: nowrap;
}

.crop-controls .slider-readout {
  margin-left: 0;
}

.range {
  flex: 1 1 100%;
  min-width: 0;
  height: 44px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.crop-controls .range {
  flex: 1;
}

.range:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.range::-webkit-slider-runnable-track {
  height: 6px;
  background: var(--color-ink);
  border-radius: var(--radius-full);
}

.range::-moz-range-track {
  height: 6px;
  background: var(--color-ink);
  border-radius: var(--radius-full);
}

.range::-webkit-slider-thumb {
  width: 22px;
  height: 22px;
  margin-top: -9px;
  background: var(--color-bg);
  border: var(--stroke) solid var(--color-ink);
  border-radius: 50%;
  appearance: none;
  -webkit-appearance: none;
}

.range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--color-bg);
  border: var(--stroke) solid var(--color-ink);
  border-radius: 50%;
}

/* ---------- 叫声 ---------- */

.select {
  position: relative;
}

.select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  width: 100%;
  min-height: 44px;
  padding: 0 var(--space-3) 0 var(--space-4);
  background: var(--color-bg);
  border: var(--stroke) solid var(--color-ink);
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.select-trigger[aria-expanded='true'] .icon {
  transform: rotate(180deg);
}

/* 列表脱离文档流悬浮，位置由脚本按触发按钮算出 */
.select-list {
  position: fixed;
  z-index: var(--z-menu);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-1);
  background: var(--color-bg);
  border: var(--stroke) solid var(--color-ink);
  border-radius: var(--radius-md);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.select-option {
  flex: none;
  min-height: 44px;
  padding: 0 var(--space-3);
  background: var(--color-bg);
  border: 0;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.select-option:hover {
  background: var(--color-surface-2);
}

.select-option[aria-selected='true'] {
  background: var(--color-ink);
  color: var(--color-bg);
}

.sound-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.tip {
  padding: var(--space-3);
  border: var(--stroke) dashed var(--color-ink);
  border-radius: var(--radius-md);
}

.tip-title {
  margin-bottom: var(--space-1);
  font-weight: 700;
}

.tip-text {
  color: var(--color-ink-2);
}

/* ---------- 窄屏 ---------- */


@media (max-width: 420px) {
  .crop-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .nudge {
    align-self: center;
  }
}