@font-face {
  font-family: "nudicamono-regular";
  src:
    url("../../nudicamono-regular-webfont.woff2") format("woff2"),
    url("../../nudicamono-regular-webfont.woff") format("woff");
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: "nudicamono-italic";
  src:
    url("../../nudicamono-regularitalic-webfont.woff2") format("woff2"),
    url("../../nudicamono-regularitalic-webfont.woff") format("woff");
  font-weight: normal;
  font-style: normal;
}

.italic {
  font-family:
    "nudicamono-italic", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-style: normal;
}

/* ── Total Grid System ───────────────────────────────────────────────── */
/* Base unit: 8px. Palette: #000 / #fff / #ffd700. Type: 10 / 12 / 14.    */

:root {
  --u: 8px;

  --black: #000;
  --white: #fff;
  --accent: #ffd700;

  --w-08: rgba(255, 255, 255, 0.08);
  --w-16: rgba(255, 255, 255, 0.16);
  --w-40: rgba(255, 255, 255, 0.4);
  --w-64: rgba(255, 255, 255, 0.64);

  --hair: 1px solid var(--w-16);

  --t-meta: 10px;
  --t-body: 12px;
  --t-title: 14px;

  --tap: 44px;
  --shutter: 64px;
  --toolbar-width: calc(
    env(safe-area-inset-right, 0px) + var(--u) * 2 + var(--shutter) + var(--u) *
      1.5 + var(--tap) + var(--u) * 2
  );
}

*,
*::before,
*::after {
  box-sizing: border-box;
  font-family:
    "nudicamono-regular", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-feature-settings:
    "tnum" 1,
    "calt" 0;
  -webkit-tap-highlight-color: transparent;
}

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

body {
  height: 100dvh;
  background: var(--black);
  color: var(--white);
  font-size: var(--t-body);
  letter-spacing: 0.04em;
  overscroll-behavior: none;
}

/* ── App shell ───────────────────────────────────────────────────────── */

.app-shell {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100dvh;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

.main-row {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
}

/* ── Camera area ─────────────────────────────────────────────────────── */

.camera-area {
  position: relative;
  flex: 1;
  min-width: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* ── Camera stage ───────────────────────────────────────────────────── */

.camera-stage {
  position: relative;
  flex: 1;
  min-height: 0;
  background: var(--black);
  z-index: 0;
}

.camera-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#video {
  z-index: 1;
  object-fit: cover;
}
#canvas {
  z-index: 2;
}

.hidden {
  display: none;
}

/* ── Preview overlays ────────────────────────────────────────────────── */

.preview-overlay {
  position: absolute;
  z-index: 10;
  font-size: var(--t-body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.preview-overlay--top-left {
  top: calc(var(--u) * 2);
  left: calc(var(--u) * 2);
}

.preview-overlay--top-right {
  top: calc(var(--u) * 2);
  right: calc(var(--u) * 2);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--u);
}

.preview-overlay--bottom-left {
  bottom: calc(var(--u) * 2);
  left: calc(var(--u) * 2);
  color: var(--accent);
}

.app-title {
  margin: 0;
  font-size: var(--t-title);
  font-weight: normal;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
}

.app-version {
  color: var(--white);
}

.app-beta {
  color: var(--accent);
}

.model-status {
  font-size: var(--t-body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--w-40);
}

.model-status--loading {
  animation: blink 1.6s steps(2, end) infinite;
}

.model-status--ready {
  color: var(--accent);
  animation: none;
}

.hud-divider {
  color: var(--w-40);
}

.hud-color {
  color: var(--accent);
}

/* ── Right toolbar ───────────────────────────────────────────────────── */

.toolbar {
  position: relative;
  z-index: 30;
  flex: 0 0 auto;
  width: var(--toolbar-width);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--u) * 1.5);
  padding: calc(var(--u) * 2)
    calc(var(--u) * 2 + env(safe-area-inset-right, 0px)) calc(var(--u) * 2)
    calc(var(--u) * 2);
  background: rgba(0, 0, 0, 0.35);
  border-left: var(--hair);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.toolbar__stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--u) * 1.5);
}

/* ── Tool buttons ───────────────────────────────────────────────────── */

.tool-btn {
  width: var(--tap);
  height: var(--tap);
  border-radius: 50%;
  border: 1px solid var(--w-40);
  background: transparent;
  color: var(--white);
  display: grid;
  place-items: center;
  cursor: pointer;
  touch-action: manipulation;
  transition:
    border-color 0.15s linear,
    color 0.15s linear;
}

.tool-btn svg {
  width: calc(var(--u) * 2);
  height: calc(var(--u) * 2);
  fill: currentColor;
}

.tool-btn:active {
  border-color: var(--white);
}

.tool-btn--active {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Shutter ────────────────────────────────────────────────────────── */

.shutter-btn {
  width: var(--shutter);
  height: var(--shutter);
  border-radius: 50%;
  border: 2px solid var(--white);
  background: transparent;
  padding: 4px;
  cursor: pointer;
  display: grid;
  place-items: center;
  touch-action: manipulation;
  transition: border-color 0.15s linear;
}

.shutter-inner {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--white);
  transition:
    transform 0.12s linear,
    background 0.15s linear;
}

.shutter-btn:active .shutter-inner {
  transform: scale(0.85);
}

.shutter-btn:disabled {
  border-color: var(--w-16);
}

.shutter-btn:disabled .shutter-inner {
  background: var(--w-16);
}

/* Save ready ────────────────────────────────────────────────────────── */

.tool-btn.save-ready {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--black);
}

/* ── Settings panel ──────────────────────────────────────────────────── */

.settings-panel {
  position: absolute;
  top: 0;
  left: 0;
  right: var(--toolbar-width);
  bottom: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--u) * 3) calc(var(--u) * 3) calc(var(--u) * 3)
    calc(var(--u) * 3 + env(safe-area-inset-left, 0px));
  background: rgba(0, 0, 0, 0.92);
  border-right: var(--hair);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s linear;
}

.settings-panel--open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.settings-panel__body {
  flex: 1;
  overflow-y: auto;
}

/* ── Pill rows ───────────────────────────────────────────────────────── */

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--u) * 1.5);
  padding-bottom: calc(var(--u) * 1.5);
}

.pill-btn {
  flex: 0 0 auto;
  min-height: calc(var(--u) * 4);
  padding: 0 calc(var(--u) * 1.5);
  border: var(--hair);
  border-radius: 0;
  background: transparent;
  color: var(--w-64);
  font-size: var(--t-body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  transition:
    background 0.15s linear,
    color 0.15s linear,
    border-color 0.15s linear;
}

.pill-btn--active {
  color: var(--black);
  background: var(--white);
  border-color: var(--white);
}

/* ── Info overlay ────────────────────────────────────────────────────── */

.info-overlay {
  flex: 0 0 auto;
  padding-top: calc(var(--u) * 3);
  border-top: var(--hair);
}

.info-overlay__text,
.info-overlay__cite {
  font-size: var(--t-body);
  line-height: 1.5;
}

.info-overlay__text {
  margin: 0 0 calc(var(--u) * 1.5);
  color: var(--white);
}

.info-overlay__cite {
  margin: 0;
  color: var(--w-40);
  letter-spacing: 0.04em;
}

.info-overlay__bib {
  margin: calc(var(--u) * 1.5) 0 0;
  font-size: var(--t-body);
  letter-spacing: 0.04em;
}

.info-overlay__bib a {
  color: var(--accent);
  text-decoration: none;
}

.info-overlay__bib a:hover,
.info-overlay__bib a:focus {
  text-decoration: underline;
}

.arrow-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: middle;
  fill: currentColor;
}

.arrow-icon--right {
  margin-left: 0.25em;
}

.arrow-icon--left {
  margin-right: 0.25em;
}

/* ── Control groups ──────────────────────────────────────────────────── */

.control-group + .control-group {
  margin-top: calc(var(--u) * 3);
  padding-top: calc(var(--u) * 3);
  border-top: var(--hair);
}

.control-group__title {
  margin: 0 0 calc(var(--u) * 1.5);
  font-size: var(--t-body);
  font-weight: normal;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--w-40);
}

/* ── Retake overlay ─────────────────────────────────────────────────── */

.clear-btn {
  position: absolute;
  top: calc(var(--u) * 7);
  left: calc(var(--u) * 2);
  width: var(--tap);
  height: var(--tap);
  border-radius: 50%;
  border: 1px solid var(--white);
  background: var(--black);
  color: var(--white);
  z-index: 5;
  display: grid;
  place-items: center;
  cursor: pointer;
  touch-action: manipulation;
  transition:
    background 0.15s linear,
    color 0.15s linear;
}

.clear-btn:active {
  background: var(--white);
  color: var(--black);
}

.clear-btn svg {
  width: calc(var(--u) * 2);
  height: calc(var(--u) * 2);
  fill: currentColor;
}

/* ── Disabled ────────────────────────────────────────────────────────── */

.is-disabled,
button:disabled {
  opacity: 0.32;
  cursor: not-allowed;
}

.shutter-btn:disabled {
  opacity: 1;
}

/* ── Focus rings ─────────────────────────────────────────────────────── */

.tool-btn:focus-visible,
.shutter-btn:focus-visible,
.clear-btn:focus-visible,
.pill-btn:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

/* ── Animations ──────────────────────────────────────────────────────── */

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Landscape / mobile blocker ──────────────────────────────────────── */

.landscape-blocker {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--black);
  color: var(--white);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--u) * 4);
  gap: calc(var(--u) * 2);
}

.landscape-blocker h1 {
  margin: 0;
  font-size: var(--t-title);
  font-weight: normal;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.landscape-blocker p {
  margin: 0;
  font-size: var(--t-body);
  color: var(--w-64);
  max-width: 320px;
  line-height: 1.5;
}

.blocked-user .landscape-blocker {
  display: flex;
}

.blocked-user .app-shell {
  display: none;
}

/* ── Bypass button ───────────────────────────────────────────────────── */

.desktop-bypass-btn {
  margin-top: calc(var(--u) * 2);
  min-height: calc(var(--u) * 5);
  padding: 0 calc(var(--u) * 3);
  border: var(--hair);
  border-radius: 0;
  background: transparent;
  color: var(--white);
  font-size: var(--t-body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  touch-action: manipulation;
  transition:
    background 0.15s linear,
    color 0.15s linear;
}

.desktop-bypass-btn:active {
  background: var(--white);
  color: var(--black);
}

.desktop-bypass-btn:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

/* ── No-JavaScript blocker ─────────────────────────────────────────────── */

.noscript-blocker {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: var(--black);
  color: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--u) * 4);
  gap: calc(var(--u) * 2);
}

.noscript-blocker h1 {
  margin: 0;
  font-size: var(--t-title);
  font-weight: normal;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.noscript-blocker p {
  margin: 0;
  font-size: var(--t-body);
  color: var(--w-64);
  max-width: 320px;
  line-height: 1.5;
}

/* ── Camera error overlay ────────────────────────────────────────────── */

.camera-error {
  position: absolute;
  inset: 0;
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--u) * 4);
  background: var(--black);
  color: var(--w-64);
  font-size: var(--t-body);
  text-align: center;
  line-height: 1.5;
  max-width: 280px;
  margin: auto;
}