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

body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1a1a1a;
}

/* Blurhash background canvas — full bleed behind window */
#bgCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  transform: scale(1.05);
  image-rendering: pixelated;
  transition: opacity 1.2s ease;
  opacity: 0;
}

#bgCanvas.visible {
  opacity: 1;
}

.main-window {
  position: relative;
  z-index: 10;
  width: min(98vw, 1200px);
  height: min(96vh, 900px);
  display: flex;
  flex-direction: column;
}

#startBtn {
  font-size: 24px;
  padding: 12px 16px;
}

.window-body {
  flex: 1;
  padding: 5px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #ede9d8;
  position: relative;
}

/* ── Title bar ── */
.main-window .title-bar {
  height: 68px;
  padding-right: 15px;
  padding-left: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.title-bar-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

#titleMain {
  font-size: 15px;
  font-style: italic;
  font-weight: bold;
  line-height: 1.2;
}

#titleSub {
  font-size: 11px;
  opacity: 0.75;
  letter-spacing: 0.03em;
}

/* ── Pre-camera state: centered button ── */
#startScreen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ede9d8;
  z-index: 2;
  transition: opacity 0.6s ease;
}

#startScreen.hidden {
  opacity: 0;
  pointer-events: none;
}

/* ── Webcam ── */
#webcam {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0;
  transition: opacity 0.8s ease;
}

#webcam.visible {
  opacity: 1;
}

#webcam, #faceCanvas, #handCanvas {
  transform: scaleX(-1);
}

#faceCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

#handCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3; /* above slide */
}

/* ── Slide canvas — sits above face canvas but below hand puppets ── */
#slideCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
  display: none;
}

/* ── Error state ── */
#errorScreen {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  background: #ede9d8;
  color: #aaa;
  font-size: 12px;
  text-align: center;
  padding: 20px;
  z-index: 3;
}

#errorScreen.visible {
  display: flex;
}

#spacebarHint {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 20px;
  letter-spacing: 0.05em;
  pointer-events: none;
  z-index: 5;
  opacity: 0;
  transition: opacity 0.6s ease;
  background: rgba(0, 0, 0, 0.45);
  padding: 4px 14px;
  border-radius: 4px;
  white-space: nowrap;
}

#spacebarHint.visible {
  opacity: 1;
}

#dialogueOverlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0 20px 50px 20px;
  height: 30%;
  z-index: 5;
  background: transparent;
  padding: 0 8px 8px 8px;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

#dialogueOverlay.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ── Dialogue overlay: hover-fade mode (opt-in via body.dialogue-hover-mode) ── */
body.dialogue-hover-mode #dialogueOverlay.visible {
  opacity: 0.12;
}
body.dialogue-hover-mode #dialogueOverlay.visible:hover {
  opacity: 1;
}

/* blinking cursor during typewriter */
#dialogue-panel::after {
  content: '|';
  display: inline;
  font-weight: 100;
  margin-left: 1px;
  opacity: 0;
}

#dialogue-panel.typing::after {
  opacity: 1;
  animation: blink 0.6s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

#dialogueOverlay menu[role="tablist"] {
  padding-left: 3px;
  margin-bottom: -2px;
  display: block;
}

#dialogueOverlay menu[role="tablist"] button {
  font-size: 32px;
  padding: 6px 18px;
}

#dialogueOverlay [role="tabpanel"] {
  background: rgba(236, 233, 216, 0.85);
  border: 1px solid #888;
  height: calc(100% - 22px);
  padding: 20px 20px;
  overflow-y: auto;
  margin-bottom: 0;
  font-size: 35px;
  line-height: 1.1;
  display: block;
}

/* ── Scene nav pill — always visible top-right ── */
#sceneNavPill {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 15;
  display: none;
  background: rgba(0, 0, 0, 0.78);
  border-radius: 7px;
  padding: 5px 10px;
  gap: 5px;
  align-items: center;
  color: #fff;
}

#sceneNavPill.visible {
  display: flex;
}

#sceneNavPill label {
  color: rgba(255,255,255,0.75);
  font-size: 11px;
  margin-right: 2px;
}

#sceneNavPill button {
  min-width: 22px;
  padding: 1px 5px;
  font-size: 13px;
  line-height: 1.3;
}

#sceneNavPill input[type="text"] {
  width: 34px;
  text-align: center;
  padding: 2px 3px;
  font-size: 13px;
}

/* ── Analysis panel — very transparent by default, revealed on hover ── */
#analysisPanel {
  position: absolute;
  top: 60px;
  right: 14px;
  width: 22%;
  height: calc(70% - 70px);
  z-index: 5;
  padding: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

#analysisPanel.visible {
  opacity: 0.12;
  pointer-events: auto;
}

#analysisPanel:hover {
  opacity: 0.75;
}

/* freeplay overrides are in the show/freeplay section below */

/* outer fieldset: fills the panel, no overflow here */
#analysisPanel > fieldset {
  background: rgba(237, 233, 216, 0.85);
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

/* ONLY the checkbox group scrolls */
#checkboxGroup {
  overflow-y: auto;
  min-height: 0;
  max-height: 100%;
  flex-shrink: 1;
}

/* checkbox rows */
#analysisPanel .field-row {
  margin-top: 3px;
  zoom: 1.4;
  flex-wrap: wrap;
  overflow: visible;
  padding-bottom: 3px;
}

/* detected output row */
#analysisPanel > fieldset > .field-row {
  zoom: 1;
  flex: 1;
  margin-top: 5px;
  padding: 5px;
  display: flex;
  flex-direction: column;
}

.inner-scroll {
  flex: 1;
  min-height: 120px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

#analysisPanel > fieldset > .field-row fieldset {
  flex: 1;
  min-height: 0;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
}

#analysisPanel > fieldset > .field-row legend {
  font-size: 24px;
  flex-shrink: 0;
}

#analysisPanel > fieldset > .field-row textarea {
  flex: 1;
  min-height: 0;
  width: 100%;
  resize: none;
}

#detectionOutput {
  font-size: 24px;
  font-weight: bold;
  font-family: 'Courier New', monospace;
  padding: 3px;
  background: none;
}

#analysisPanel .result-value {
  width: 100%;
  margin-left: var(--checkbox-total-width);
  margin-top: 7px;
  color: #333;
}

#analysisPanel input[type="checkbox"]:checked + label::after {
  margin-left: -1px;
}

/* disabled row: grey out the label, not the result */
#analysisPanel .field-row.disabled label {
  color: #666;
}

/* Puppet size sub-control */
.hands-controls {
  padding-left: 6px;
  border-left: 2px solid #bbb;
  margin-left: 4px;
  margin-top: 2px;
}

.hands-sub-row {
  zoom: 0.9;
  flex-direction: column;
  align-items: flex-start !important;
  gap: 4px;
  margin-top: 2px !important;
}

.hands-sub-row label {
  font-size: 10px;
  color: #555;
}

.hands-sub-row input[type="range"] {
  width: 80px;
  max-width: 100%;
}

.puppet-nav-row {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 24px;
}

.puppet-nav-row button {
  width: 18px;
  min-width: unset;
  padding: 0;
}

.puppet-nav-row input[type="text"] {
  width: 32px;
  text-align: center;
}

/* top prediction pill */
.pred-top {
  background: #005ca7;
  color: #fff;
  border: 1px dotted #999;
  padding: 1px 5px;
  border-radius: 2px;
  font-weight: bold;
}

/* ── Show / freeplay mode visibility ── */
body.show-mode    .freeplay-only { display: none !important; }
body.freeplay-mode .show-only   { display: none !important; }

/* hide dialogue overlay in freeplay (tray is the display instead) */
body.freeplay-mode #dialogueOverlay { display: none !important; }

/* hide freeplay tray until camera is ready */
body:not(.camera-ready) #freeplayTray { display: none !important; }

/* ── Analysis panel: more visible in freeplay mode ── */
body.freeplay-mode #analysisPanel.visible { opacity: 0.4; }
body.freeplay-mode #analysisPanel:hover   { opacity: 0.92; }

/* ── Freeplay dialogue tray — matches dialogue overlay aesthetic ── */
#freeplayTray {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0 20px 50px 20px;
  height: 30%;
  z-index: 6;
  display: flex;
  flex-direction: column;
  pointer-events: none;
}

#freeplayTrayToggle {
  pointer-events: auto;
  align-self: flex-start;
  margin: 0 0 0 3px;
  font-size: 12px;
  padding: 3px 10px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  border: none;
  border-radius: 4px 4px 0 0;
  cursor: pointer;
  letter-spacing: 0.04em;
}

#freeplayTrayBody {
  pointer-events: auto;
  flex: 1;
  min-height: 0;
  transform: translateY(calc(100% + 26px));
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

#freeplayTrayBody.open {
  transform: translateY(0);
}

#freeplayTrayBody menu[role="tablist"] {
  padding-left: 3px;
  margin-bottom: -2px;
  display: block;
}

#freeplayTrayBody menu[role="tablist"] button {
  font-size: 28px;
  padding: 5px 16px;
}

#freeplayTrayBody [role="tabpanel"] {
  background: rgba(236, 233, 216, 0.92);
  border: 1px solid #888;
  flex: 1;
  min-height: 0;
  padding: 12px 20px 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#freeplay-char {
  font-size: 12px;
  width: 180px;
  padding: 2px 5px;
}

#freeplay-text {
  font-size: 22px;
  line-height: 1.3;
  resize: none;
  flex: 1;
  min-height: 0;
  width: 100%;
  padding: 5px 8px;
  font-family: inherit;
}

/* ── Floating hand upload overlays (freeplay only) ── */
.hand-upload-overlay {
  position: absolute;
  z-index: 10;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  transform: translate(-50%, -50%);
  user-select: none;
}

.hand-upload-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.hand-upload-overlay .upload-tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-size: 11px;
  white-space: nowrap;
  padding: 4px 8px;
  border-radius: 3px;
  pointer-events: none;
}

.hand-upload-overlay:hover .upload-tooltip { display: block; }
.hand-upload-overlay input[type="file"] { display: none; }