@font-face {
  font-family: "PP BitNeu";
  src: url("fonts/PPBitNeu.woff2") format("woff2"),
    url("fonts/PPBitNeu.woff") format("woff"),
    url("fonts/PPBitNeu.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --page-bg: #ffffff;
  --frame-stroke: #e3e3e3;
  --frame-mat-inset: 14px;
  --booth-column-width: 320px;
  --radius-frame-outer: 2px;
  --radius-frame-inner: 1px;
  --radius-ui: 2px;
  --error: #b83232;
  --font-ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-capture: "IBM Plex Mono", ui-monospace, monospace;
  --font-ascii: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas,
    monospace;
  --dock-control-size: 36px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  background: var(--page-bg);
  color: #1a1a1a;
  line-height: 1.45;
}

.booth {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 1.25rem 1rem 2rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
  padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

@media (min-width: 701px) {
  .booth {
    padding-bottom: calc(2.75rem + env(safe-area-inset-bottom));
  }
}

.booth-header {
  margin-bottom: 1.25rem;
}

.booth-header-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
}

.booth-title {
  margin: 0;
  flex: 1;
  min-width: 0;
  width: fit-content;
  max-width: 100%;
  font-family: "PP BitNeu", "Courier New", Courier, monospace;
  font-size: clamp(1.5rem, 5vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #111;
}

.booth-header .booth-info--mobile {
  flex-shrink: 0;
}

.booth-info--mobile {
  display: none;
}

.booth-info--desktop {
  display: inline-block;
}

@media (max-width: 700px) {
  .booth-info--mobile {
    display: inline-block;
  }

  .booth-info--desktop {
    display: none !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.booth-stack {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 1.5rem;
  align-self: center;
  width: min(100%, var(--booth-column-width));
  max-width: 100%;
  box-sizing: border-box;
}

@media (min-width: 701px) {
  .booth-stack {
    flex: 1;
  }
}

@media (max-width: 700px) {
  .booth-stack {
    gap: 1rem;
  }
}

.booth-stack.is-capture-back .booth-dock {
  display: none;
}

.booth-result-dock {
  position: relative;
  z-index: 4;
  display: none;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  padding: 0;
  overflow: visible;
}

.booth-stack.is-capture-back .booth-result-dock {
  display: flex;
}

.booth-footer {
  position: static;
  margin-top: 2rem;
  padding-top: 0.5rem;
  align-self: stretch;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  font-family: var(--font-capture);
  font-size: 14px;
  color: #9a9a9a;
}

@media (min-width: 701px) {
  .booth-footer {
    position: fixed;
    z-index: 5;
    left: max(1rem, env(safe-area-inset-left));
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    margin-top: 0;
    padding-top: 0;
    width: auto;
    max-width: none;
    min-width: 0;
    justify-content: space-between;
    gap: 0.75rem;
    pointer-events: none;
  }

  .booth-footer > * {
    pointer-events: auto;
  }

  .booth-footer .back-meta-info-wrap {
    flex-shrink: 0;
  }

  .booth-footer .back-meta-site {
    flex-shrink: 0;
    text-align: right;
    white-space: nowrap;
  }
}

.viewfinder-flip-shell {
  width: 100%;
  max-width: var(--booth-column-width);
  aspect-ratio: 3 / 4;
  position: relative;
  perspective: 1100px;
  -webkit-perspective: 1100px;
  perspective-origin: center center;
  -webkit-perspective-origin: center center;
}

.viewfinder-flip-root {
  position: absolute;
  inset: 0;
}

.viewfinder-flip-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 0.85s cubic-bezier(0.45, 0, 0.2, 1);
  transform: rotateY(0deg);
  will-change: transform;
}

.viewfinder-flip-root.is-flipped .viewfinder-flip-inner {
  transform: rotateY(180deg);
}

@media (prefers-reduced-motion: reduce) {
  .viewfinder-flip-inner {
    transition-duration: 0.01ms;
  }
}

.viewfinder-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-frame-outer);
  overflow: hidden;
}

.viewfinder-face--front,
.viewfinder-face--back {
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.viewfinder-face--back {
  transform: rotateY(180deg);
}

.viewfinder-face .viewfinder {
  width: 100%;
  height: 100%;
  max-width: none;
  flex: 1;
  aspect-ratio: unset;
  min-height: 0;
}

.viewfinder {
  position: relative;
  container-type: size;
  width: 100%;
  max-width: var(--booth-column-width);
  aspect-ratio: 3 / 4;
  background: var(--page-bg);
  border-radius: var(--radius-frame-outer);
  box-sizing: border-box;
  border: 1px solid var(--frame-stroke);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08), 0 0 3px rgba(0, 0, 0, 0.07);
  overflow: hidden;
}

.viewfinder--capture-back {
  background: var(--page-bg);
}

/*
 * Mobile: 9:16 matches portrait 16:9 camera video (typical selfie stream), so
 * drawVideoCover crops less → less “zoomed in.” Desktop keeps 3:4 (photo-booth).
 */
@media (max-width: 700px) {
  .viewfinder-flip-shell,
  .viewfinder {
    aspect-ratio: 9 / 16;
  }

  .snapshot-frame {
    aspect-ratio: 9 / 16;
  }
}

/* Matches shadcn Button variant="outline" size="icon" (zinc-like tokens) */
.btn-back-capture {
  flex-shrink: 0;
  width: var(--dock-control-size);
  height: var(--dock-control-size);
  padding: 0;
  border: 1px solid #e4e4e7;
  border-radius: 9999px;
  background: #ffffff;
  color: #18181b;
  line-height: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease, color 0.15s ease,
    border-color 0.15s ease;
}

.btn-back-capture-icon {
  display: block;
  width: calc(var(--dock-control-size) * 0.58);
  height: calc(var(--dock-control-size) * 0.58);
  flex-shrink: 0;
  margin: 0;
  overflow: visible;
  shape-rendering: geometricPrecision;
}

.btn-back-capture:hover {
  background: #f4f4f5;
  border-color: #d4d4d8;
  color: #09090b;
}

.btn-back-capture:active {
  background: #e4e4e7;
}

.btn-back-capture:focus-visible {
  outline: 2px solid #4a6fb5;
  outline-offset: 2px;
}

.btn-download-capture {
  flex: 1;
  min-width: 0;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--dock-control-size);
  padding: 0 12px;
  border: none;
  border-radius: 999px;
  background: #111;
  color: #fff;
  font-family: var(--font-capture);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1;
  cursor: pointer;
}

.btn-download-capture:hover {
  background: #000;
  color: #fff;
}

.btn-download-capture:focus-visible {
  outline: 2px solid #4a6fb5;
  outline-offset: 2px;
}

.back-meta-info-wrap {
  position: relative;
}

.back-meta-info-btn {
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  font-family: var(--font-capture);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.15;
  color: #777;
  letter-spacing: 0.04em;
  cursor: help;
  text-decoration: none;
  text-underline-offset: 2px;
}

.back-meta-info-btn:hover {
  text-decoration: underline;
  text-decoration-color: currentColor;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.back-meta-info-btn:focus-visible {
  outline: 2px solid #4a6fb5;
  outline-offset: 2px;
}

.back-meta-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  width: max-content;
  max-width: min(220px, 78vw);
  padding: 8px 10px;
  background: #ececec;
  color: #333;
  font-family: var(--font-capture);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.02em;
  text-transform: none;
  text-wrap: pretty;
  border-radius: var(--radius-ui);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 10;
}

.booth-header .booth-info--mobile .back-meta-tooltip {
  left: auto;
  right: 0;
}

@media (max-width: 700px) {
  .booth-header .booth-info--mobile .back-meta-tooltip {
    top: calc(100% + 8px);
    bottom: auto;
  }
}

.back-meta-info-wrap:hover .back-meta-tooltip,
.back-meta-info-wrap:focus-within .back-meta-tooltip {
  opacity: 1;
}

.back-meta-site {
  color: #777;
  text-decoration: none;
  letter-spacing: 0.04em;
  font-size: 14px;
  line-height: 1.15;
}

.back-meta-site:hover {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: currentColor;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.camera-feed {
  position: fixed;
  left: -3000px;
  top: 0;
  width: 1280px;
  height: 720px;
  opacity: 0;
  pointer-events: none;
  object-fit: cover;
}

/* iOS front cam buffer is already mirrored; canvas skips flip — cancel 3D back-face parity. */
html.ascii-booth-ios-selfie .viewfinder-face--back .viewfinder-ascii {
  transform: scaleX(-1);
  transform-origin: center center;
}

.viewfinder-inner {
  position: absolute;
  left: var(--frame-mat-inset);
  top: var(--frame-mat-inset);
  right: var(--frame-mat-inset);
  bottom: var(--frame-mat-inset);
  z-index: 1;
  overflow: hidden;
  overflow-anchor: none;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ascii-bg, #fff);
  border-radius: var(--radius-frame-inner);
}

.viewfinder-ascii {
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: var(--font-ascii);
  font-size: 4px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  white-space: pre;
  color: var(--ascii-fg, #111);
  background: transparent;
  user-select: none;
  display: block;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

.viewfinder-ascii span {
  font: inherit;
  letter-spacing: inherit;
}

.viewfinder-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  line-height: 1.4;
  color: #555;
  background: var(--page-bg);
  z-index: 10;
}

.viewfinder-placeholder.is-hidden {
  display: none;
}

.viewfinder-error {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 0.45rem 0.5rem;
  font-size: 0.72rem;
  line-height: 1.35;
  color: #fff;
  background: rgba(0, 0, 0, 0.72);
  z-index: 3;
}

.viewfinder-error[hidden] {
  display: none !important;
}


.booth-dock {
  position: relative;
  z-index: 4;
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  padding: 0;
  overflow: visible;
}

.booth-dock .swatches {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: nowrap;
  flex: 1 1 auto;
  min-width: 0;
  justify-content: flex-start;
}

.swatches {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: center;
}

.booth-dock .swatch {
  width: var(--dock-control-size);
  height: var(--dock-control-size);
  flex-shrink: 0;
}

.booth-dock .swatch:hover {
  transform: scale(1.04);
}

.swatch {
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: none;
  transition: transform 0.12s ease;
}

.swatch:hover {
  transform: scale(1.06);
}

.swatch:focus-visible {
  outline: 2px solid #111;
  outline-offset: 2px;
}

.swatch[data-preset="black"] {
  background: #000000;
}

.swatch[data-preset="yellow"] {
  background: #e6c84a;
  border: 1px solid rgba(0, 0, 0, 0.12);
}

.swatch[data-preset="blue"] {
  background: #4a6fb5;
}

.swatch[data-preset="red"] {
  background: #c93636;
}

.swatch[aria-pressed="true"] {
  outline: 2px solid #111;
  outline-offset: 2px;
}

.swatch-multicolor {
  background: conic-gradient(
    from 0deg,
    #f66,
    #ff6,
    #6f6,
    #6ff,
    #66f,
    #f6f,
    #f66
  );
  position: relative;
}

.swatch-multicolor.is-custom-selected {
  outline: 2px solid #111;
  outline-offset: 2px;
}

.btn-capture {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--dock-control-size);
  min-height: var(--dock-control-size);
  padding: 6px 18px;
  border: none;
  border-radius: 999px;
  background: #111;
  color: #fff;
  cursor: pointer;
  font-family: var(--font-capture);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
  box-shadow: none;
  transition: background 0.12s ease, opacity 0.12s ease;
  flex-shrink: 0;
  white-space: nowrap;
}

.btn-capture:hover:not(:disabled) {
  background: #000;
}

.btn-capture:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.btn-capture:focus-visible {
  outline: 2px solid #4a6fb5;
  outline-offset: 3px;
}

.swatch-popover {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 12px);
  transform: translateX(-50%);
  z-index: 20;
  width: min(calc(100vw - 2rem), 300px);
  padding: 0;
  border: none;
  background: transparent;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.18));
}

.swatch-popover[hidden] {
  display: none !important;
}

.swatch-popover-inner {
  background: #2a2a2a;
  border-radius: var(--radius-ui);
  padding: 0.75rem 0.85rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.swatch-popover-label {
  margin: 0 0 0.5rem;
  font-family: var(--font-capture);
  font-size: 0.78rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.swatch-picker {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.swatch-sv-wrap,
.swatch-hue-wrap {
  position: relative;
  border-radius: var(--radius-ui);
  overflow: hidden;
}

.swatch-sv-wrap {
  flex: 1;
  min-width: 0;
}

.swatch-hue-wrap {
  flex-shrink: 0;
}

.swatch-canvas {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
  touch-action: none;
}

.swatch-canvas-sv {
  width: 220px;
  max-width: 100%;
  height: auto;
}

.swatch-canvas-hue {
  width: 28px;
}

.swatch-sv-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: var(--radius-ui);
  background-image: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.12) 1px,
    transparent 1px
  );
  background-size: 5px 5px;
}

.swatch-cursor {
  position: absolute;
  width: 18px;
  height: 18px;
  transform: translate(-50%, -50%);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.swatch-hue-cursor {
  position: absolute;
  left: 50%;
  width: calc(100% + 6px);
  height: 6px;
  transform: translate(-50%, -50%);
  border: 2px solid #fff;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.45);
  pointer-events: none;
}

.snapshot-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.snapshot-modal[hidden] {
  display: none !important;
}

.snapshot-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.snapshot-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 360px);
  max-height: min(92vh, 720px);
  overflow: auto;
  background: #f0f0f0;
  border-radius: var(--radius-ui);
  padding: 1rem 1rem 1.15rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.snapshot-title {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
  font-family: "PP BitNeu", monospace;
}

.snapshot-hint {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  color: #555;
  line-height: 1.35;
}

.snapshot-frame {
  position: relative;
  container-type: size;
  aspect-ratio: 3 / 4;
  width: 100%;
  max-width: 280px;
  margin: 0 auto 1rem;
  border-radius: var(--radius-frame-outer);
  overflow: hidden;
  box-sizing: border-box;
  border: 1px solid var(--frame-stroke);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08), 0 0 3px rgba(0, 0, 0, 0.07);
  background: var(--page-bg);
}

.snapshot-inner {
  position: absolute;
  left: var(--frame-mat-inset);
  top: var(--frame-mat-inset);
  right: var(--frame-mat-inset);
  bottom: var(--frame-mat-inset);
  overflow: hidden;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ascii-bg, #fff);
  border-radius: var(--radius-frame-inner);
}

.snapshot-ascii {
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: var(--font-ascii);
  font-size: 3px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  white-space: pre;
  color: var(--ascii-fg, #111);
  background: transparent;
  user-select: text;
}

.snapshot-ascii span {
  font: inherit;
  letter-spacing: inherit;
}

.btn-snapshot-close {
  display: block;
  width: 100%;
  font: inherit;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border: none;
  border-radius: var(--radius-ui);
  background: #111;
  color: #fff;
  cursor: pointer;
}

.btn-snapshot-close:hover {
  background: #000;
}

@media (max-width: 360px) {
  :root {
    --frame-mat-inset: 12px;
    --dock-control-size: 28px;
  }

  .swatches {
    gap: 0.4rem;
  }
  .swatch {
    width: 32px;
    height: 32px;
  }

  .booth-dock .swatches {
    gap: 0.28rem;
  }

  .btn-capture {
    padding: 4px 10px;
  }
}