/* ============================================================
   Display View (TV / Big Screen) Specific Styles
   Precision Prototype: Dynamic Calibration Matrix + 3D Pop Typography
   ============================================================ */

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: #000;
  overflow: hidden;
  user-select: none;
}

/* Master Precision Viewport Engine */
.display-viewport {
  position: fixed;
  top: calc(50% + var(--cal-offset-y, 0px));
  left: calc(50% + var(--cal-offset-x, 0px));
  width: var(--vp-width, 100vw);
  height: var(--vp-height, 100vh);
  transform-origin: center center;
  overflow: hidden;
  background-color: #000;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translate(-50%, -50%) rotate(var(--cal-rot, 0deg))
    scale(var(--cal-scale, 1));
  transition:
    transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    top 0.15s ease,
    left 0.15s ease,
    width 0.25s ease,
    height 0.25s ease;
  z-index: 1;
}

/* Suppress transitions on initial render to prevent viewport morphing jank */
.display-viewport.no-initial-transition {
  transition: none !important;
}

/* GPU Hardware Acceleration & Layer Promotion for HTML Elements */
.sticker-item,
.sticker-item-inner,
.bubble-item,
.background-layer-item,
.pop-combined-box {
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* Aspect Ratio Modes - Landscape Orientation (0° / 180°) */
.display-viewport.aspect-full {
  width: var(--vp-width, 100vw);
  height: var(--vp-height, 100vh);
}

.display-viewport.aspect-16-9 {
  width: var(--vp-width, min(100vw, calc(100vh * 16 / 9)));
  height: var(--vp-height, min(100vh, calc(100vw * 9 / 16)));
}

.display-viewport.aspect-9-16 {
  width: var(--vp-width, min(100vw, calc(100vh * 9 / 16)));
  height: var(--vp-height, min(100vh, calc(100vw * 16 / 9)));
}

.display-viewport.aspect-4-3 {
  width: var(--vp-width, min(100vw, calc(100vh * 4 / 3)));
  height: var(--vp-height, min(100vh, calc(100vw * 3 / 4)));
}

.display-viewport.aspect-1-1 {
  width: var(--vp-width, min(100vw, 100vh));
  height: var(--vp-height, min(100vw, 100vh));
}

/* Aspect Ratio Modes - Rotated Portrait Orientation (90° / 270°) (Fills Left & Right Edge-to-Edge) */
.display-viewport.rot-portrait {
  width: var(--vp-width, 100vh);
  height: var(--vp-height, 100vw);
}

.display-viewport.rot-portrait.aspect-full {
  width: var(--vp-width, 100vh);
  height: var(--vp-height, 100vw);
}

.display-viewport.rot-portrait.aspect-16-9 {
  width: var(--vp-width, min(100vh, calc(100vw * 9 / 16)));
  height: var(--vp-height, min(100vw, calc(100vh * 16 / 9)));
}

.display-viewport.rot-portrait.aspect-9-16 {
  width: var(--vp-width, min(100vh, calc(100vw * 9 / 16)));
  height: var(--vp-height, min(100vw, calc(100vh * 16 / 9)));
}

.display-viewport.rot-portrait.aspect-4-3 {
  width: var(--vp-width, min(100vh, calc(100vw * 3 / 4)));
  height: var(--vp-height, min(100vw, calc(100vh * 4 / 3)));
}

.display-viewport.rot-portrait.aspect-1-1 {
  width: var(--vp-width, min(100vh, 100vw));
  height: var(--vp-height, min(100vh, 100vw));
}

/* Background Media Container & Multi-Layer Compositor */
.background-media-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
  background-color: #12020a;
}

/* Fallback Radiant Brand Vignette Canvas (Deep #12020a with ambient radial glow) */
.display-fallback-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 50% 45%, #2a0418 0%, #12020a 50%, #07090e 100%),
    radial-gradient(
      circle at 20% 80%,
      rgba(216, 0, 100, 0.18) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 215, 0, 0.12) 0%,
      transparent 50%
    );
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.media-layers-stack {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.background-layer-item {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.background-layer-item video,
.background-layer-item img {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}

.background-layer-item.fit-cover video,
.background-layer-item.fit-cover img {
  object-fit: cover;
  object-position: center;
}

.background-layer-item.fit-contain video,
.background-layer-item.fit-contain img {
  object-fit: contain;
  object-position: center;
}

.background-layer-item.fit-fill video,
.background-layer-item.fit-fill img {
  object-fit: fill;
  object-position: center;
}

/* Ambient Pink Radiant Vignette Overlay */
.display-vignette {
  position: absolute;
  inset: 0;
  z-index: 9; /* Above media layers (1..8), beneath overlay stage (10) */
  pointer-events: none;
  background:
    radial-gradient(
      circle at 50% 50%,
      rgba(255, 182, 193, 0.12) 0%,
      rgba(255, 105, 180, 0.22) 65%,
      rgba(180, 0, 75, 0.45) 100%
    ),
    linear-gradient(
      180deg,
      rgba(255, 192, 203, 0.2) 0%,
      transparent 35%,
      rgba(150, 0, 65, 0.4) 100%
    );
  opacity: var(--cal-vignette-opacity, 0.8);
  transition: opacity 0.3s ease;
}

/* ============================================================
   Active Overlay Stage Layer
   ============================================================ */
.overlay-stage {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4vw;
  pointer-events: none;
}

/* Positioning Modifiers */
.overlay-stage.pos-top {
  justify-content: flex-start;
  padding-top: 10vh;
}
.overlay-stage.pos-center {
  justify-content: center;
}
.overlay-stage.pos-bottom {
  justify-content: flex-end;
  padding-bottom: 12vh;
}

/* Idle State Ambient Prompt */
.idle-prompt {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s ease-out;
  text-align: center;
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--cal-font-family, var(--font-pop));
}

.state-idle .idle-prompt {
  opacity: 1;
  transform: translateY(0);
}

.idle-prompt .prompt-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 32px;
  border-radius: var(--radius-full);
  background: rgba(10, 10, 16, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 2px solid rgba(255, 255, 255, 0.25);
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.6),
    0 0 25px rgba(255, 215, 0, 0.3);
  animation: idle-float 3s infinite ease-in-out;
}

@keyframes idle-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* ============================================================
   FLOATING BUBBLE PARTICLE LAYER (OVER TEXT AT Z-INDEX: 20)
   ============================================================ */
.bubbles-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 20; /* Directly over 3D text stage (z-index: 10), below HUD (z-index: 100+) */
  pointer-events: none;
  overflow: hidden;
}

.bubble-item {
  position: absolute;
  bottom: -320px;
  left: 0;
  pointer-events: none;
  user-select: none;
  will-change: transform, opacity;
  filter: drop-shadow(0 10px 28px rgba(0, 0, 0, 0.45));
}

.bubble-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
}

/* ============================================================
   COMBINED 3D TEXT BOX CONTAINER (Both Texts Together)
   ============================================================ */
.pop-combined-box {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 96%;
  width: 100%;
  transform: translate(var(--cal-box-off-x, 0px), var(--cal-box-off-y, 0px))
    scale(
      var(--cal-box-scale-x, var(--cal-box-scale, 1)),
      var(--cal-box-scale-y, var(--cal-box-scale, 1))
    );
  transform-origin: center center;
  transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

/* Visual Bounding Outlines during Calibration & Debug */
.show-box-outline .pop-combined-box,
.cal-box-active .pop-combined-box {
  outline: 2.5px dashed rgba(0, 240, 255, 0.85);
  outline-offset: 16px;
  border-radius: 20px;
  background: rgba(0, 240, 255, 0.035);
  box-shadow:
    0 0 25px rgba(0, 240, 255, 0.15),
    inset 0 0 25px rgba(0, 240, 255, 0.05);
}

.show-box-outline .pop-combined-box::before,
.cal-box-active .pop-combined-box::before {
  content: "KHUNG TỔNG THỂ";
  position: absolute;
  top: -32px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-main);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.2px;
  color: #00f0ff;
  background: rgba(10, 10, 22, 0.95);
  border: 1.5px solid rgba(0, 240, 255, 0.8);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 4px 18px rgba(0, 240, 255, 0.4);
  z-index: 100;
}

/* CSS Mode Layer Outlines (Variant A) */
.show-name-outline #card-name {
  outline: 2px dashed #ff2d55 !important;
  outline-offset: 10px;
  border-radius: 12px;
  background: rgba(255, 45, 85, 0.05);
  position: relative;
}

.show-name-outline #card-name::before {
  content: "TÊN KHÁCH";
  position: absolute;
  top: -26px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-main);
  font-size: 10px;
  font-weight: 800;
  color: #ff2d55;
  background: rgba(15, 15, 25, 0.95);
  border: 1px solid #ff2d55;
  padding: 2px 10px;
  border-radius: 12px;
  white-space: nowrap;
  z-index: 100;
}

.show-sub-outline #card-sub {
  outline: 2px dashed #fff200 !important;
  outline-offset: 10px;
  border-radius: 12px;
  background: rgba(255, 242, 0, 0.05);
  position: relative;
}

.show-sub-outline #card-sub::after {
  content: "KHẨU HIỆU";
  position: absolute;
  bottom: -26px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-main);
  font-size: 10px;
  font-weight: 800;
  color: #fff200;
  background: rgba(15, 15, 25, 0.95);
  border: 1px solid #fff200;
  padding: 2px 10px;
  border-radius: 12px;
  white-space: nowrap;
  z-index: 100;
}

/* Diagnostic Outlines & Direct Manipulation for Top & Bottom Sticker Bounding Boxes */
.show-stickers-box-outline.overlay-stage,
.show-stickers-top-box-outline.overlay-stage,
.show-stickers-bot-box-outline.overlay-stage {
  pointer-events: auto;
}

.show-stickers-box-outline .stickers-cluster-layer,
.show-stickers-top-box-outline .stickers-cluster-layer,
.show-stickers-bot-box-outline .stickers-cluster-layer {
  pointer-events: auto;
}

.show-stickers-box-outline #stickers-box-top,
.show-stickers-top-box-outline #stickers-box-top {
  border: 2.5px dashed #10b981 !important;
  background: rgba(16, 185, 129, 0.12) !important;
  border-radius: 12px !important;
  box-shadow: 0 0 24px rgba(16, 185, 129, 0.35) !important;
  pointer-events: auto !important;
  cursor: grab;
  user-select: none;
  touch-action: none;
  z-index: 100 !important;
}
.show-stickers-box-outline #stickers-box-top.is-dragging,
.show-stickers-top-box-outline #stickers-box-top.is-dragging,
.show-stickers-box-outline #stickers-box-top:active,
.show-stickers-top-box-outline #stickers-box-top:active {
  cursor: grabbing;
}

.show-stickers-box-outline #stickers-box-top::before,
.show-stickers-top-box-outline #stickers-box-top::before {
  content: "HỘP STICKER TRÊN (TOP BOX)";
  position: absolute;
  top: -26px;
  left: 50%;
  transform: translateX(-50%);
  background: #10b981;
  color: #000;
  font-family: var(--font-main);
  font-size: 10.5px;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 12px;
  letter-spacing: 0.5px;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  z-index: 110;
}

.show-stickers-box-outline #stickers-box-bottom,
.show-stickers-bot-box-outline #stickers-box-bottom {
  border: 2.5px dashed #ec4899 !important;
  background: rgba(236, 72, 153, 0.12) !important;
  border-radius: 12px !important;
  box-shadow: 0 0 24px rgba(236, 72, 153, 0.35) !important;
  pointer-events: auto !important;
  cursor: grab;
  user-select: none;
  touch-action: none;
  z-index: 100 !important;
}
.show-stickers-box-outline #stickers-box-bottom.is-dragging,
.show-stickers-bot-box-outline #stickers-box-bottom.is-dragging,
.show-stickers-box-outline #stickers-box-bottom:active,
.show-stickers-bot-box-outline #stickers-box-bottom:active {
  cursor: grabbing;
}

.show-stickers-box-outline #stickers-box-bottom::before,
.show-stickers-bot-box-outline #stickers-box-bottom::before {
  content: "HỘP STICKER DƯỚI (BOTTOM BOX)";
  position: absolute;
  bottom: -26px;
  left: 50%;
  transform: translateX(-50%);
  background: #ec4899;
  color: #fff;
  font-family: var(--font-main);
  font-size: 10.5px;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 12px;
  letter-spacing: 0.5px;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  z-index: 110;
}

/* 8-Point Transform Handles */
.sticker-box-handles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: none;
}

.show-stickers-top-box-outline #stickers-box-top .sticker-box-handles,
.show-stickers-bot-box-outline #stickers-box-bottom .sticker-box-handles,
.show-stickers-box-outline .sticker-box-handles {
  display: block;
  pointer-events: auto;
}

.sticker-handle {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
  pointer-events: auto;
  z-index: 120;
  touch-action: none;
  transition:
    transform 0.12s ease,
    background 0.12s ease;
}

.sticker-handle:hover {
  transform: scale(1.4);
}

#stickers-box-top .sticker-handle {
  border: 2px solid #10b981;
  background: #022c22;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.8);
}

#stickers-box-top .sticker-handle:hover {
  background: #10b981;
}

#stickers-box-bottom .sticker-handle {
  border: 2px solid #ec4899;
  background: #500724;
  box-shadow: 0 0 10px rgba(236, 72, 153, 0.8);
}

#stickers-box-bottom .sticker-handle:hover {
  background: #ec4899;
}

/* 8-Point Handles Placement */
.sticker-handle.handle-nw {
  top: -7px;
  left: -7px;
  cursor: nwse-resize;
}
.sticker-handle.handle-ne {
  top: -7px;
  right: -7px;
  cursor: nesw-resize;
}
.sticker-handle.handle-se {
  bottom: -7px;
  right: -7px;
  cursor: nwse-resize;
}
.sticker-handle.handle-sw {
  bottom: -7px;
  left: -7px;
  cursor: nesw-resize;
}

.sticker-handle.handle-n {
  top: -7px;
  left: calc(50% - 14px);
  cursor: ns-resize;
  width: 28px;
  border-radius: 4px;
}
.sticker-handle.handle-s {
  bottom: -7px;
  left: calc(50% - 14px);
  cursor: ns-resize;
  width: 28px;
  border-radius: 4px;
}
.sticker-handle.handle-w {
  left: -7px;
  top: calc(50% - 14px);
  cursor: ew-resize;
  height: 28px;
  border-radius: 4px;
}
.sticker-handle.handle-e {
  right: -7px;
  top: calc(50% - 14px);
  cursor: ew-resize;
  height: 28px;
  border-radius: 4px;
}

/* Clean Sticker Items without Shadows */
.sticker-item {
  position: absolute;
  transform-origin: center center;
  filter: none !important;
  box-shadow: none !important;
  will-change: transform;
}

.sticker-item img {
  filter: none !important;
  box-shadow: none !important;
}

/* Idle State Preview with Outlines Active */
.state-idle.outline-preview-active .pop-combined-box {
  opacity: 1;
  pointer-events: none;
  filter: drop-shadow(0 0 20px rgba(0, 240, 255, 0.25));
}

.state-idle.outline-preview-active .preview-idle-tag {
  position: absolute;
  top: -58px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-main);
  font-size: 11px;
  font-weight: 800;
  color: #ffd700;
  background: rgba(15, 15, 28, 0.94);
  border: 1px dashed rgba(255, 215, 0, 0.7);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  letter-spacing: 0.8px;
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.35);
  z-index: 120;
}

/* Word Node Styles */
.anim-word {
  display: inline-block;
  will-change: transform, opacity;
  margin: 0 0.15em;
}

/* ============================================================
   PIXEL-PERFECT 3D POP STICKER OVERLAY: SVG VECTOR ARC ENGINE (DEFAULT)
   ============================================================ */
.pop-sticker-svg-stage {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  width: 100%;
  padding: 10px 20px;
  transform-origin: center center;
  will-change: transform, opacity;
}

.pop-sticker-svg-stage svg {
  width: 100%;
  max-width: 1150px;
  height: auto;
  overflow: visible;
  display: block;
}

/* ============================================================
   PIXEL-PERFECT 2.5D POP STICKER OVERLAY: CSS LAYERED (VARIANT)
   ============================================================ */
.pop-sticker-card {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 95%;
  padding: 20px 30px;
  transform-origin: center center;
  will-change: transform, opacity;
}

/* Optional Top Badge Tag */
.pop-badge-tag {
  display: inline-block;
  font-family: var(--cal-font-family, var(--font-pop));
  font-size: clamp(0.9rem, 1.8vw, 1.4rem);
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(135deg, #ff2d55 0%, #a855f7 100%);
  padding: 4px 22px;
  border-radius: var(--radius-full);
  border: 2px solid #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  margin-bottom: 8px;
  transform: rotate(-2deg);
}

/* Dynamic Attendee Name Text ("LY TRẦN") */
.pop-name-text {
  font-family: var(--cal-font-family, var(--font-pop));
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  color: var(--cal-name-color, var(--cal-text-color, #ffffff));
  font-size: var(--cal-font-size, clamp(3.4rem, 9.5vw, 7.5rem));
  line-height: 0.95;
  letter-spacing: -1px;
  text-align: center;
  display: block;
  word-break: break-word;
  padding: 0 12px;
  -webkit-text-stroke: var(
      --cal-name-stroke-width,
      var(--cal-stroke-width, 3.5px)
    )
    var(--cal-name-stroke-color, var(--cal-stroke-color, #d80064));
  paint-order: stroke fill;
  text-shadow:
    /* Clean unified pink extrusion steps without dark borders */
    1px 2px 0 var(--cal-name-ext-1, var(--cal-ext-1, #d80064)),
    1px 4px 0 var(--cal-name-ext-1, var(--cal-ext-1, #d80064)),
    2px 6px 0 var(--cal-name-ext-1, var(--cal-ext-1, #d80064)),
    2px 8px 0 var(--cal-name-ext-1, var(--cal-ext-1, #d80064)),
    2px 10px 0 var(--cal-name-ext-1, var(--cal-ext-1, #d80064)),
    2px 12px 0 var(--cal-name-ext-1, var(--cal-ext-1, #d80064));
  transform: translate(var(--cal-name-off-x, 0px), var(--cal-name-off-y, 0px))
    scale(var(--cal-name-scale, 1)) rotate(var(--cal-name-slant, 0deg));
}

/* Fixed Radiant Yellow Subtitle ("XINH VẢI!") with Dynamic Line Gap */
.pop-sub-text {
  font-family: var(--cal-font-family, var(--font-pop));
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  color: var(--cal-sub-color, #ffe500);
  font-size: calc(var(--cal-font-size, clamp(3.4rem, 9.5vw, 7.5rem)) * 1.06);
  line-height: 0.95;
  letter-spacing: -1px;
  text-align: center;
  display: block;
  word-break: break-word;
  margin-top: var(--cal-line-gap, 16px);
  padding: 0 12px;
  -webkit-text-stroke: var(
      --cal-sub-stroke-width,
      var(--cal-stroke-width, 3.5px)
    )
    var(--cal-sub-stroke-color, var(--cal-stroke-color, #d80064));
  paint-order: stroke fill;
  text-shadow:
    1px 2px 0 var(--cal-sub-ext-1, var(--cal-ext-1, #d80064)),
    1px 4px 0 var(--cal-sub-ext-1, var(--cal-ext-1, #d80064)),
    2px 6px 0 var(--cal-sub-ext-1, var(--cal-ext-1, #d80064)),
    2px 8px 0 var(--cal-sub-ext-1, var(--cal-ext-1, #d80064)),
    2px 10px 0 var(--cal-sub-ext-1, var(--cal-ext-1, #d80064)),
    2px 12px 0 var(--cal-sub-ext-1, var(--cal-ext-1, #d80064));
  transform: translate(var(--cal-sub-off-x, 0px), var(--cal-sub-off-y, 0px))
    scale(var(--cal-sub-scale, 1)) rotate(var(--cal-sub-slant, 0deg));
}

/* Subtle Shimmer & Breathing when in Photo Hold */
.state-hold .pop-sticker-card,
.state-hold .pop-sticker-svg-stage,
.state-hold .pop-flat-card {
  animation: pop-breathe 2.8s infinite ease-in-out;
}

@keyframes pop-breathe {
  0%,
  100% {
    transform: scale(1) translateY(0);
  }
  50% {
    transform: scale(1.025) translateY(-6px);
  }
}

/* ============================================================
   PIXEL-PERFECT FLAT CLEAN OVERLAY: CRISP PINK OUTLINE (VARIANT)
   ============================================================ */
.pop-flat-card {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 95%;
  padding: 20px 30px;
  transform-origin: center center;
  will-change: transform, opacity;
}

.flat-name-text {
  font-family: var(--cal-font-family, var(--font-pop));
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  color: var(--cal-text-color, #ffffff);
  font-size: var(--cal-font-size, clamp(3.4rem, 9.5vw, 7.5rem));
  line-height: 0.95;
  letter-spacing: -1px;
  text-align: center;
  display: block;
  word-break: break-word;
  padding: 0 12px;
  -webkit-text-stroke: var(--cal-stroke-width, 3.5px)
    var(--cal-stroke-color, #d80064);
  paint-order: stroke fill;
  text-shadow: none;
  transform: translate(var(--cal-name-off-x, 0px), var(--cal-name-off-y, 0px))
    scale(var(--cal-name-scale, 1)) rotate(var(--cal-name-slant, 0deg));
}

.flat-sub-text {
  font-family: var(--cal-font-family, var(--font-pop));
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  color: var(--cal-sub-color, #ffe500);
  font-size: calc(var(--cal-font-size, clamp(3.4rem, 9.5vw, 7.5rem)) * 1.06);
  line-height: 0.95;
  letter-spacing: -1px;
  text-align: center;
  display: block;
  word-break: break-word;
  margin-top: var(--cal-line-gap, 16px);
  padding: 0 12px;
  -webkit-text-stroke: var(--cal-stroke-width, 3.5px)
    var(--cal-stroke-color, #d80064);
  paint-order: stroke fill;
  text-shadow: none;
  transform: translate(var(--cal-sub-off-x, 0px), var(--cal-sub-off-y, 0px))
    scale(var(--cal-sub-scale, 1)) rotate(var(--cal-sub-slant, 0deg));
}

/* Rotated Portrait Stage & Typography Bounds (90° & 270°) */
.display-viewport.rot-portrait .overlay-stage {
  padding: 4vh;
}

.display-viewport.rot-portrait .pop-sticker-card,
.display-viewport.rot-portrait .pop-flat-card {
  max-width: 92%;
  padding: 16px 20px;
}

.display-viewport.rot-portrait .pop-badge-tag {
  font-size: clamp(0.85rem, 1.8vh, 1.3rem);
}

.display-viewport.rot-portrait .pop-name-text,
.display-viewport.rot-portrait .flat-name-text {
  font-size: var(--cal-font-size, clamp(2.8rem, 8.8vh, 6.5rem));
  padding: 0 8px;
}

.display-viewport.rot-portrait .pop-sub-text,
.display-viewport.rot-portrait .flat-sub-text {
  font-size: calc(var(--cal-font-size, clamp(2.8rem, 8.8vh, 6.5rem)) * 1.08);
  padding: 0 8px;
}

.display-viewport.rot-portrait .idle-prompt .prompt-pill {
  font-size: clamp(1rem, 2vh, 1.5rem);
  padding: 10px 24px;
}

/* ============================================================
   CENTER CROSSHAIR & SAFE-AREA CALIBRATION GRID
   ============================================================ */
.calibration-grid-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 99;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.calibration-grid-overlay.active {
  opacity: 1;
}

.grid-axis-x {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(255, 45, 85, 0.9);
  box-shadow: 0 0 10px rgba(255, 45, 85, 0.8);
  transform: translateY(-50%);
}

.grid-axis-y {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 45, 85, 0.9);
  box-shadow: 0 0 10px rgba(255, 45, 85, 0.8);
  transform: translateX(-50%);
}

.grid-center-bullseye {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50px;
  height: 50px;
  border: 2px dashed rgba(255, 215, 0, 0.95);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid-center-bullseye::after {
  content: "";
  width: 10px;
  height: 10px;
  background: #ff2d55;
  border-radius: 50%;
  box-shadow: 0 0 8px #ff2d55;
}

.grid-thirds-x1,
.grid-thirds-x2 {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
}
.grid-thirds-x1 {
  top: 33.333%;
}
.grid-thirds-x2 {
  top: 66.666%;
}

.grid-thirds-y1,
.grid-thirds-y2 {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.15);
}
.grid-thirds-y1 {
  left: 33.333%;
}
.grid-thirds-y2 {
  left: 66.666%;
}

/* ============================================================
   DISPLAY HUD / TOP CONTROLS (Auto-hiding / Hotkeys)
   ============================================================ */
.display-hud {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  opacity: 1;
  transition: opacity 0.4s ease;
  pointer-events: auto;
}

.display-hud.hud-hidden {
  opacity: 0;
  pointer-events: none;
}

/* Master Clean Display Mode: Completely hides all operator UI, HUD and diagnostics */
.display-ui-hidden .display-hud,
.display-ui-hidden #display-hud,
body.display-ui-hidden #display-hud {
  display: none !important;
  opacity: 0 !important;
  pointer-events: none !important;
  visibility: hidden !important;
}

.display-ui-hidden .calibration-grid-overlay,
.display-ui-hidden #calibration-grid,
body.display-ui-hidden #calibration-grid {
  display: none !important;
  opacity: 0 !important;
  pointer-events: none !important;
  visibility: hidden !important;
}

.display-ui-hidden .layer-outline-group,
.display-ui-hidden .stickers-box-outline,
.display-ui-hidden .preview-idle-tag,
body.display-ui-hidden .layer-outline-group,
body.display-ui-hidden .stickers-box-outline,
body.display-ui-hidden .preview-idle-tag {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

.hud-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.hud-btn {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-main);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.hud-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: #fff;
  transform: translateY(-1px);
}

.hud-btn.active {
  background: var(--accent-gold);
  color: #000;
  border-color: var(--accent-gold);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
}

/* ============================================================
   PRECISION PROTOTYPE CALIBRATION DOCK (Shortcut: C)
   ============================================================ */
.cal-dock {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 410px;
  max-height: calc(100vh - 40px);
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 215, 0, 0.35);
  border-radius: var(--radius-xl);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.85),
    0 0 35px rgba(255, 215, 0, 0.2);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition:
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.25s ease;
  color: #fff;
  font-family: var(--font-main);
  user-select: none;
}

.cal-dock.collapsed {
  transform: translateX(calc(100% + 40px));
  opacity: 0;
  pointer-events: none;
}

.cal-dock-header {
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cal-dock-title {
  font-family: var(--font-outfit);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #ffd700, #ff8800);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cal-dock-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.cal-dock-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* Tabs */
.cal-tabs {
  display: flex;
  padding: 8px 12px 0;
  border-bottom: 1px solid var(--border-glass);
  gap: 6px;
  background: rgba(0, 0, 0, 0.25);
}

.cal-tab-btn {
  flex: 1;
  padding: 8px 10px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-outfit);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.cal-tab-btn.active {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}

.cal-dock-body {
  padding: 16px 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: calc(100vh - 190px);
}

.cal-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cal-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.cal-val-badge {
  font-family: monospace;
  font-size: 12px;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 240, 255, 0.25);
}

.cal-slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cal-slider {
  flex: 1;
  accent-color: var(--accent-gold);
  cursor: pointer;
}

.cal-stepper-btn {
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cal-stepper-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.cal-pills-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.cal-pill-btn {
  flex: 1;
  min-width: 50px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.cal-pill-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.cal-pill-btn.active {
  background: var(--accent-gold);
  color: #000;
  border-color: var(--accent-gold);
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.35);
}

.cal-select {
  width: 100%;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 600;
  outline: none;
}

.cal-select:focus {
  border-color: var(--accent-gold);
}

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

.cal-color-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.3);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.cal-color-picker {
  width: 26px;
  height: 26px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background: transparent;
}

/* State Readout Box */
.cal-readout-box {
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-family: monospace;
  font-size: 11px;
  color: #a5f3fc;
  max-height: 120px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Action Footer */
.cal-dock-footer {
  padding: 12px 18px;
  background: rgba(0, 0, 0, 0.35);
  border-top: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-cal-save {
  width: 100%;
  padding: 10px 14px;
  background: linear-gradient(135deg, #ffd700, #ffaa00);
  border: none;
  border-radius: var(--radius-md);
  color: #000;
  font-family: var(--font-outfit);
  font-weight: 800;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.35);
  transition: all var(--transition-smooth);
}

.btn-cal-save:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.55);
}

.cal-footer-subrow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn-cal-sub {
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-cal-sub:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

/* Pairing QR Code Modal */
.qr-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.qr-modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.qr-modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  text-align: center;
  max-width: 420px;
  box-shadow: var(--shadow-card);
}

.qr-canvas-container {
  background: #fff;
  padding: 16px;
  border-radius: var(--radius-md);
  display: inline-block;
  margin: 18px 0;
}