:root {
  --bg: #0c0d0f;
  --surface: #16181c;
  --text: #f2f0eb;
  --muted: #8a8790;
  --accent: #e8a54b;
  --danger: #c45c5c;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-body: "Avenir Next", "Segoe UI", sans-serif;
  --stage-ar: 3 / 4;
  --gap: 0.7rem;
}

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

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  height: 100svh;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: manipulation;
}

body {
  position: fixed;
  inset: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, #2a2418 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 100%, #1a1e28 0%, transparent 50%),
    var(--bg);
}

.app {
  height: 100%;
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.65rem 0.85rem calc(0.65rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  overflow: hidden;
}

.workspace {
  flex: 1 1 auto;
  min-height: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  overflow: hidden;
}

/* Fixed preview frame — does not scroll with controls */
.stage-frame {
  flex: 0 0 auto;
  height: min(56svh, calc(100% - 9.5rem));
  min-height: 12rem;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem;
  border: 1px solid color-mix(in srgb, var(--text) 16%, transparent);
  border-radius: 0.5rem;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 88%, transparent), var(--surface));
}

.stage {
  position: relative;
  width: 0;
  height: 0;
  background: #090a0c;
  overflow: hidden;
  border-radius: 0.3rem;
  touch-action: none;
  user-select: none;
  flex: 0 0 auto;
}

#preview,
#fx,
#photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#preview {
  transform-origin: center center;
}

#fx {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  opacity: 0;
  pointer-events: none;
}

.stage.is-pixel #preview {
  opacity: 0;
}

.stage.is-pixel #fx {
  opacity: 1;
}

.status {
  position: absolute;
  inset: 0;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.95rem;
  pointer-events: none;
}

.status:empty,
.status.is-ready {
  display: none;
}

.status.is-error {
  color: var(--danger);
  display: grid;
}

/* Scrollable controls column — independent of the preview frame */
.panel {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 0.15rem 0.2rem 0.35rem;
}

.palette-picker {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.palette-picker[hidden] {
  display: none;
}

.palette-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.35rem 0.5rem;
  border: 1px solid color-mix(in srgb, var(--text) 18%, transparent);
  border-radius: 0.3rem;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-family: var(--font-body);
  text-align: left;
  transition: border-color 120ms ease, background 120ms ease;
}

.palette-option:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}

.palette-option.is-active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.palette-option .name {
  min-width: 4.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.palette-option.is-active .name {
  color: var(--text);
}

.palette-option .swatches {
  display: flex;
  gap: 0.22rem;
  flex: 1;
  justify-content: flex-end;
}

.palette-option .swatches span {
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 0.15rem;
  border: 1px solid color-mix(in srgb, var(--text) 15%, transparent);
}

.custom-editor {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-radius: 0.3rem;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.custom-editor[hidden] {
  display: none;
}

.custom-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.custom-swatch {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.custom-swatch input[type="color"] {
  width: 1.85rem;
  height: 1.85rem;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--text) 22%, transparent);
  border-radius: 0.25rem;
  background: transparent;
  cursor: pointer;
}

.custom-swatch input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 2px;
}

.custom-swatch input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 0.15rem;
}

.custom-remove {
  width: 1.35rem;
  height: 1.35rem;
  border: none;
  border-radius: 0.2rem;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1;
  padding: 0;
}

.custom-remove:hover:not(:disabled) {
  color: var(--danger);
}

.custom-remove:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.palette-file-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.palette-file-actions[hidden] {
  display: none;
}

.custom-add,
.palette-export {
  align-self: flex-start;
  border: 1px solid color-mix(in srgb, var(--text) 28%, transparent);
  border-radius: 0.25rem;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.8rem;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  transition: border-color 120ms ease, color 120ms ease;
}

.custom-add:hover:not(:disabled),
.palette-export:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.custom-add:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.export-dialog {
  border: 1px solid color-mix(in srgb, var(--text) 22%, transparent);
  border-radius: 0.4rem;
  padding: 0;
  background: var(--surface);
  color: var(--text);
  max-width: min(22rem, calc(100vw - 2rem));
  width: 100%;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.export-dialog::backdrop {
  background: rgba(8, 9, 12, 0.72);
}

.export-dialog form,
.camera-dialog-body {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1.15rem 1.2rem 1.2rem;
}

.export-dialog h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.35rem;
}

.camera-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: min(50svh, 18rem);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.camera-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid color-mix(in srgb, var(--text) 18%, transparent);
  border-radius: 0.3rem;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease;
}

.camera-option:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}

.camera-option.is-active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.camera-option .camera-name {
  font-size: 0.95rem;
  font-weight: 600;
}

.camera-option .camera-meta {
  font-size: 0.78rem;
  color: var(--muted);
}

.export-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.export-filename {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid color-mix(in srgb, var(--text) 22%, transparent);
  border-radius: 0.25rem;
  padding: 0.15rem 0.55rem 0.15rem 0.15rem;
  background: var(--bg);
}

.export-filename:focus-within {
  border-color: var(--accent);
}

#exportName {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  text-transform: none;
  letter-spacing: 0;
  padding: 0.45rem 0.5rem;
  outline: none;
}

.export-ext {
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: none;
  letter-spacing: 0;
}

.export-hint {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
  text-transform: none;
  letter-spacing: 0;
}

.export-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.55rem;
}

.export-cancel,
.export-confirm {
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.5rem 0.9rem;
  border-radius: 0.25rem;
  cursor: pointer;
}

.export-cancel {
  border: 1px solid color-mix(in srgb, var(--text) 28%, transparent);
  background: transparent;
  color: var(--text);
}

.export-cancel:hover {
  border-color: var(--text);
}

.export-confirm {
  border: none;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
}

.export-confirm:hover {
  filter: brightness(1.08);
}

.zoom {
  display: none;
  align-items: center;
  gap: 0.7rem;
  padding: 0 0.15rem;
}

.zoom-label {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  min-width: 4.75rem;
}

#zoom,
#pixelSize,
#brightness,
#dither {
  flex: 1;
  accent-color: var(--accent);
  cursor: pointer;
}

#zoom:disabled,
#pixelSize:disabled,
#brightness:disabled,
#dither:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

@media (pointer: fine) {
  .zoom:not([hidden]) {
    display: flex;
  }
}

.pixel-size:not([hidden]) {
  display: flex;
}

.controls {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 3rem 1fr 3rem;
  align-items: center;
  justify-items: center;
  padding: 0.15rem 0 0;
}

.icon-btn {
  width: 3rem;
  height: 3rem;
  border: 1px solid color-mix(in srgb, var(--text) 28%, transparent);
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  transition: border-color 120ms ease, color 120ms ease, background 120ms ease;
}

.icon-btn[hidden] {
  visibility: hidden;
  pointer-events: none;
}

.icon-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

.icon-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.icon-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.mode-btn {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.mode-btn[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--bg);
  background: var(--accent);
}

.shutter {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.shutter:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.shutter-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid var(--text);
  background:
    radial-gradient(circle at center, var(--text) 0 58%, transparent 59%),
    transparent;
  transition: transform 120ms ease, background 120ms ease;
}

.shutter:not(:disabled):active .shutter-ring {
  transform: scale(0.92);
  background:
    radial-gradient(circle at center, var(--accent) 0 58%, transparent 59%),
    transparent;
}

.result {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  animation: reveal 280ms ease;
}

.result[hidden] {
  display: none;
}

.result img {
  width: 100%;
  aspect-ratio: var(--stage-ar);
  max-height: 8.5rem;
  object-fit: cover;
  border-radius: 0.3rem;
  background: var(--surface);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.save {
  align-self: center;
  color: var(--bg);
  background: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  padding: 0.55rem 1.1rem;
  border-radius: 0.25rem;
  transition: filter 120ms ease;
}

.save:hover {
  filter: brightness(1.08);
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(0.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Landscape: preview beside a fixed control rail */
@media (orientation: landscape) {
  :root {
    --stage-ar: 4 / 3;
    --gap: 0.55rem;
  }

  .app {
    padding: 0.45rem 0.75rem calc(0.45rem + env(safe-area-inset-bottom, 0px));
  }

  .workspace {
    flex-direction: row;
    align-items: stretch;
  }

  .stage-frame {
    flex: 1 1 auto;
    height: auto;
    min-height: 0;
    align-self: stretch;
  }

  .panel {
    flex: 0 0 min(22rem, 38vw);
    width: min(22rem, 38vw);
    height: 100%;
  }

  .controls {
    padding-top: 0.1rem;
  }

  .result img {
    max-height: 7rem;
  }
}

@media (orientation: landscape) and (max-height: 480px) {
  .shutter {
    width: 3.4rem;
    height: 3.4rem;
  }

  .icon-btn {
    width: 2.6rem;
    height: 2.6rem;
  }
}