:root {
  --font-ui: 'Manrope', 'Avenir Next', 'Segoe UI', sans-serif;
  --font-display: 'Barlow Condensed', 'Helvetica Neue', sans-serif;

  --page-bg: #0a0a0a;
  --surface: #111111;
  --surface-strong: #111111;
  --border: rgba(242, 242, 242, 0.14);

  --ui-text: #f2f2f2;
  --ui-text-dim: rgba(242, 242, 242, 0.68);
  --accent: #00e5c4;
  --accent-soft: rgba(0, 229, 196, 0.14);
  --record: #ff3b3b;

  --ascii-bg: #0a0a0a;
  --ascii-fg: #f2f2f2;

  --shutter-size: 86px;
  --letterbox-size: clamp(40px, 7vh, 90px);
}

body.theme-light {
  --page-bg: #f2f2f2;
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --border: rgba(18, 18, 18, 0.14);

  --ui-text: #111111;
  --ui-text-dim: rgba(17, 17, 17, 0.62);
  --accent: #0f6d63;
  --accent-soft: rgba(15, 109, 99, 0.14);
  --record: #d72a2a;

  --ascii-bg: #ffffff;
  --ascii-fg: #0f0f0f;
}

body.theme-black {
  --page-bg: #000000;
  --surface: #000000;
  --surface-strong: #000000;
  --border: rgba(255, 255, 255, 0.18);

  --ui-text: #f2f2f2;
  --ui-text-dim: rgba(242, 242, 242, 0.66);
  --accent: #f2f2f2;
  --accent-soft: rgba(242, 242, 242, 0.12);
  --record: #ff3b3b;

  --ascii-bg: #000000;
  --ascii-fg: #ffffff;
}

* {
  box-sizing: border-box;
  user-select: none;
  -webkit-user-select: none;
}

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

body {
  font-family: var(--font-ui);
  color: var(--ui-text);
  background: var(--page-bg);
  overflow: hidden;
  display: flex;
  justify-content: center;
  transition: background-color 180ms ease, color 180ms ease;
}

#app-shell {
  width: min(100%, 1400px);
  max-width: 1400px;
  min-height: 100dvh;
  display: grid;
  grid-template-rows: clamp(58px, 8vh, 70px) minmax(0, 1fr) auto;
  background: var(--surface);
  border: 1px solid var(--border);
  margin: 0 auto;
  animation: boot-in 340ms ease;
}

#top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: var(--surface-strong);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
}

.brand-tag {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--ui-text);
  white-space: nowrap;
}

.osd-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 1.5px;
  white-space: nowrap;
}

.osd-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ui-text-dim);
}

.frame-label {
  color: var(--ui-text);
}

.rec-pill {
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--record) 48%, var(--border) 52%);
  background: color-mix(in srgb, var(--record) 8%, transparent 92%);
  color: color-mix(in srgb, var(--record) 74%, var(--ui-text) 26%);
}

.rec-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--record) 45%, #000000 55%);
}

.rec-pill.is-active .rec-dot {
  background: var(--record);
  animation: rec-pulse 1.6s ease-in-out infinite;
}

.rec-pill.is-active {
  border-color: color-mix(in srgb, var(--record) 72%, var(--border) 28%);
}

#clockDisplay {
  color: var(--ui-text-dim);
}

.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;
}

#viewfinder {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background: var(--ascii-bg);
  isolation: isolate;
  min-height: 0;
  padding: clamp(10px, 1.4vw, 20px);
  opacity: 1;
  transition: opacity 760ms cubic-bezier(0.2, 0.75, 0.2, 1);
}

#asciiOutput {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  white-space: pre;
  color: var(--ascii-fg);
  background: var(--ascii-bg);
  font-family: var(--font-display);
  font-size: 8px;
  line-height: 8px;
  letter-spacing: 0;
  transition: color 180ms ease, background-color 180ms ease;
  max-width: min(100%, clamp(220px, 96vw, 1320px));
  max-height: min(100%, clamp(180px, 72vh, 940px));
  overflow: hidden;
  text-align: center;
}

body.theme-light #asciiOutput {
  font-weight: 600;
}

.cinema-overlay,
.viewfinder-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cinema-overlay {
  animation: overlay-fade 320ms ease both;
}

.grain-overlay {
  z-index: 2;
  opacity: 0.045;
  mix-blend-mode: soft-light;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.26) 0.7px, transparent 0.7px),
    radial-gradient(rgba(0, 0, 0, 0.22) 0.8px, transparent 0.8px),
    radial-gradient(rgba(255, 255, 255, 0.16) 0.45px, transparent 0.45px);
  background-size: 3px 3px, 4px 4px, 2px 2px;
  background-position: 0 0, 1px 1px, 2px 0;
  animation: grain-shift 1.35s steps(9, end) infinite;
  will-change: background-position;
}

.scan-overlay {
  z-index: 3;
}

.scan-overlay::before {
  content: '';
  position: absolute;
  left: -4%;
  width: 108%;
  height: 3px;
  top: 0;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.06) 48%,
    rgba(255, 255, 255, 0) 100%
  );
  box-shadow: 0 0 3px rgba(255, 255, 255, 0.04);
  animation: scan-pass 8s linear infinite;
  will-change: transform, opacity;
}

.letterbox-overlay {
  z-index: 5;
}

.letterbox-overlay::before,
.letterbox-overlay::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: var(--letterbox-size);
  pointer-events: none;
}

.letterbox-overlay::before {
  top: 0;
  background: linear-gradient(
    to bottom,
    #000000 0%,
    #000000 78%,
    rgba(0, 0, 0, 0.68) 92%,
    rgba(0, 0, 0, 0) 100%
  );
}

.letterbox-overlay::after {
  bottom: 0;
  background: linear-gradient(
    to top,
    #000000 0%,
    #000000 78%,
    rgba(0, 0, 0, 0.68) 92%,
    rgba(0, 0, 0, 0) 100%
  );
}

.viewfinder-overlay {
  z-index: 4;
  display: grid;
  place-items: center;
}

.focus-box {
  width: 30%;
  height: 30%;
  border: 1px solid rgba(242, 242, 242, 0.52);
  opacity: 0;
  animation: focus-in 540ms ease 120ms forwards;
}

#control-deck {
  background: color-mix(in srgb, var(--surface-strong) 95%, transparent 5%);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(110px, 14vh, 160px);
  padding: 10px 18px calc(10px + env(safe-area-inset-bottom));
  gap: clamp(12px, 2.2vw, 24px);
}

.cluster {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.1vw, 14px);
  min-height: 0;
}

.cluster.left {
  justify-content: flex-start;
  flex: 1 1 0;
  min-width: 0;
}

.cluster.center {
  justify-content: center;
  flex: 0 0 auto;
}

.cluster.right {
  justify-content: flex-end;
  flex: 1 1 0;
  min-width: 0;
}

.control {
  min-height: 34px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: color-mix(in srgb, var(--surface) 90%, transparent 10%);
  color: var(--ui-text);
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 10px;
  cursor: pointer;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, opacity 180ms ease;
}

.control:hover {
  border-color: color-mix(in srgb, var(--ui-text) 36%, var(--border) 64%);
  color: var(--ui-text);
}

.control:focus-visible,
.mode-btn:focus-visible,
#shutterBtn:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 56%, var(--border) 44%);
}

select.control {
  padding-right: 26px;
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ui-text-dim) 50%),
    linear-gradient(135deg, var(--ui-text-dim) 50%, transparent 50%);
  background-position: calc(100% - 13px) 12px, calc(100% - 8px) 12px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.control-inline {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 6px 10px;
  color: var(--ui-text-dim);
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

#resSlider {
  width: 126px;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
}

#resSlider::-webkit-slider-runnable-track {
  height: 2px;
  background: color-mix(in srgb, var(--ui-text-dim) 40%, transparent 60%);
}

#resSlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 7px;
  height: 14px;
  margin-top: -6px;
  border-radius: 1px;
  background: var(--ui-text);
}

#resSlider::-moz-range-track {
  height: 2px;
  background: color-mix(in srgb, var(--ui-text-dim) 40%, transparent 60%);
}

#resSlider::-moz-range-thumb {
  width: 7px;
  height: 14px;
  border: none;
  border-radius: 1px;
  background: var(--ui-text);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 1px;
  color: var(--ui-text-dim);
  cursor: pointer;
  text-transform: uppercase;
}

.toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-track {
  width: 34px;
  height: 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  position: relative;
  background: rgba(0, 0, 0, 0.22);
}

.toggle-track::after {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--ui-text-dim);
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 180ms ease, background-color 180ms ease;
}

.toggle input:checked + .toggle-track {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 44%, var(--border) 56%);
}

.toggle input:checked + .toggle-track::after {
  transform: translateX(16px);
  background: var(--accent);
}

.mode-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px;
  background: transparent;
}

.mode-btn {
  border: none;
  background: transparent;
  color: var(--ui-text-dim);
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease;
}

.mode-btn.is-active {
  background: color-mix(in srgb, var(--ui-text) 14%, transparent 86%);
  color: var(--ui-text);
}

#shutterBtn {
  width: var(--shutter-size);
  height: var(--shutter-size);
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, #ffffff 55%, transparent 45%);
  background: transparent;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

#shutterBtn:active {
  transform: scale(0.97);
}

#shutterInner {
  width: 64%;
  height: 64%;
  border-radius: 999px;
  background: var(--record);
  transition: border-radius 180ms ease, width 180ms ease, height 180ms ease, box-shadow 180ms ease;
}

#shutterBtn.is-recording {
  border-color: color-mix(in srgb, var(--record) 72%, #ffffff 28%);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--record) 18%, transparent 82%);
}

#shutterBtn.is-recording #shutterInner {
  width: 44%;
  height: 44%;
  border-radius: 4px;
  box-shadow: 0 0 10px color-mix(in srgb, var(--record) 28%, transparent 72%);
}

.icon-btn {
  min-width: 34px;
  display: grid;
  place-items: center;
  padding: 6px;
}

#micToggleWrap {
  display: none;
}

#statusToast {
  position: fixed;
  left: 50%;
  bottom: calc(14px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 13px;
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ui-text);
  background: color-mix(in srgb, var(--surface) 92%, transparent 8%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  z-index: 30;
}

#statusToast.is-visible {
  opacity: 1;
}

#statusToast.is-error {
  color: var(--record);
  border-color: color-mix(in srgb, var(--record) 46%, var(--border) 54%);
}

#flashOverlay {
  position: fixed;
  inset: 0;
  background: #ffffff;
  opacity: 0;
  pointer-events: none;
  z-index: 40;
}

#flashOverlay.is-active {
  animation: flash 260ms ease;
}

.hidden-mobile {
  display: inline-flex;
}

@keyframes rec-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.74;
    transform: scale(0.9);
  }
}

@keyframes boot-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes focus-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 0.92;
  }
}

@keyframes overlay-fade {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes grain-shift {
  0% {
    background-position: 0 0, 1px 1px, 2px 0;
  }

  20% {
    background-position: -2px 1px, 2px -1px, -1px 2px;
  }

  40% {
    background-position: 1px -2px, -1px 2px, 2px 1px;
  }

  60% {
    background-position: 2px 2px, -2px -1px, 1px -2px;
  }

  80% {
    background-position: -1px 1px, 2px 2px, -2px -1px;
  }

  100% {
    background-position: 0 0, 1px 1px, 2px 0;
  }
}

@keyframes scan-pass {
  0% {
    transform: translateY(-20vh);
    opacity: 0;
  }

  3% {
    opacity: 0.06;
  }

  24% {
    transform: translateY(120vh);
    opacity: 0.05;
  }

  25%,
  100% {
    transform: translateY(120vh);
    opacity: 0;
  }
}

@keyframes flash {
  0% {
    opacity: 0;
  }

  25% {
    opacity: 0.82;
  }

  100% {
    opacity: 0;
  }
}

@media (max-width: 980px) {
  #control-deck {
    padding-inline: 12px;
    gap: 10px;
  }

  .cluster {
    gap: 8px;
  }

  .control,
  .control-inline {
    font-size: 0.7rem;
  }
}

@media (max-width: 768px) {
  #app-shell {
    grid-template-rows: clamp(54px, 8vh, 62px) minmax(0, 1fr) auto;
  }

  #top-bar {
    padding-inline: 12px;
  }

  .brand-tag {
    font-size: 0.9rem;
    letter-spacing: 1.2px;
  }

  .osd-row {
    gap: 8px;
    font-size: 0.7rem;
    letter-spacing: 1.2px;
  }

  #control-deck {
    flex-wrap: wrap;
    align-content: center;
    row-gap: 10px;
    column-gap: 10px;
    padding: 9px 10px calc(10px + env(safe-area-inset-bottom));
  }

  .cluster {
    flex: 1 1 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .cluster.center {
    order: 1;
  }

  .cluster.left {
    order: 2;
  }

  .cluster.right {
    order: 3;
  }

  #themeBtn,
  #switchCamBtn {
    min-width: 50px;
    min-height: 50px;
    border-radius: 999px;
  }

  #palette {
    min-width: 118px;
    min-height: 42px;
  }

  #bgToggleWrap {
    min-height: 42px;
    padding: 0 6px;
    border-radius: 9px;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface) 92%, transparent 8%);
  }

  #micToggleWrap {
    min-height: 38px;
    padding: 0 8px;
    border-radius: 9px;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface) 93%, transparent 7%);
  }

  .control,
  .control-inline,
  .mode-btn,
  .toggle,
  .toggle-label {
    font-size: 0.72rem;
    letter-spacing: 1px;
  }
}

@media (max-width: 420px) {
  :root {
    --shutter-size: 74px;
  }

  #resSlider {
    width: 96px;
  }

  #themeBtn,
  #switchCamBtn {
    min-width: 46px;
    min-height: 46px;
  }

  .osd-row {
    font-size: 0.62rem;
    gap: 6px;
  }
}

@supports selector(#viewfinder:has(#asciiOutput:not(:empty))) {
  #viewfinder {
    opacity: 0;
  }

  #viewfinder:has(#asciiOutput:not(:empty)) {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  #viewfinder {
    transition: none;
    opacity: 1;
  }

  .grain-overlay,
  .scan-overlay::before {
    animation: none;
  }
}