:root {
  color-scheme: dark;
  font-family: 'Press Start 2P', monospace;
  --mblack: #0d0d14;
  --mgray: #6a3050;
  --mwhite: #ac3232;
  --surface: rgba(13, 13, 20, 0.92);
  --surface-solid: #0d0d14;
}

* {
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  cursor: url('assets/curs.png'), auto;
}

::selection {
  color: var(--mblack);
  background: var(--mwhite);
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background-color: var(--mblack);
  color: var(--mwhite);
  font-size: 14px;
  line-height: 1.8;
  letter-spacing: 0.02em;
}

a {
  color: var(--mwhite);
  cursor: url('assets/curspoint.png') 7 2, pointer;
}

a:hover {
  color: var(--mwhite);
}

.container {
  width: min(1240px, 94vw);
  margin: 2rem auto 0;
  padding-bottom: 2rem;
}

.topbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar h1 {
  margin: 0 0 0.6rem;
  font-size: 24px;
  color: var(--mwhite);
}

.topbar p {
  margin: 0;
  color: var(--mgray);
  font-size: 10px;
  line-height: 2.2;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.lang-toggle {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.kofi-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: 10px;
  font-family: inherit;
  background: var(--surface-solid);
  border: 2px solid var(--mgray);
  color: var(--mwhite) !important;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s;
}

.kofi-btn:hover {
  border-color: var(--mwhite);
  color: #ff8080 !important;
}

.kofi-logo {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

.lang-btn {
  padding: 8px 12px;
  font-size: 10px;
  background: var(--surface-solid);
  border: 2px solid var(--mgray);
  color: var(--mgray);
  cursor: url('assets/curspoint.png') 7 2, pointer;
  font-family: inherit;
}

.lang-btn.active {
  border-color: var(--mwhite);
  color: var(--mwhite);
}

.lang-btn:hover:not(.active) {
  border-color: var(--mwhite);
  color: var(--mwhite);
}

.filter-tabs {
  display: flex;
  gap: 6px;
  margin: 1.2rem 0;
}

.filter-tab {
  padding: 14px 22px;
  font-size: 12px;
  font-family: inherit;
  background: var(--surface-solid);
  border: 6px solid transparent;
  border-image: url('assets/border.png') 6 round;
  color: var(--mgray);
  cursor: url('assets/curspoint.png') 7 2, pointer;
  text-transform: none;
  transition: color 0.15s;
}

.filter-tab.active {
  color: var(--mwhite);
}

.filter-tab:hover:not(.active) {
  color: var(--mwhite);
}

.layout {
  margin-top: 0.5rem;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 1rem;
  min-width: 0;
  align-items: start;
}

.layout > * {
  min-width: 0;
}

.panel {
  background: var(--surface);
  padding: 1.2rem;
  min-width: 0;
  border: 6px solid transparent;
  border-image: url('assets/border.png') 6 round;
  image-rendering: pixelated;
}

.settings-panel h2 {
  margin: 0 0 0.8rem;
  font-size: 16px;
  color: var(--mwhite);
  text-transform: none;
}

.actions-top {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.actions-top .button,
.actions-top button {
  flex: 1;
}

#bayerImageInput {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--mgray);
}

.setting-row:first-of-type {
  border-top: 0;
}

.setting-row > span {
  font-size: 12px;
  color: var(--mwhite);
  flex-shrink: 0;
}

.stepper {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  justify-content: flex-end;
}

.step-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  touch-action: manipulation;
  background: none;
  border: none;
  cursor: url('assets/curspoint.png') 7 2, pointer;
  transition: transform 0.1s, filter 0.15s;
  flex-shrink: 0;
}

.step-btn img {
  width: 100%;
  height: 100%;
  display: block;
}

.step-btn:hover {
  filter: brightness(1.4);
}

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

.stepper strong {
  min-width: 70px;
  text-align: center;
  font-size: 13px;
  display: inline-block;
  color: var(--mwhite);
  transition: transform 0.15s ease, color 0.15s ease;
}

.palette-stepper strong {
  min-width: 86px;
}

.setting-row.changed .stepper strong {
  color: #ff6060;
  transform: scale(1.1);
}

.palette-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.palette-preview {
  display: flex;
  gap: 2px;
}

.palette-swatch {
  width: 16px;
  height: 16px;
  border: 1px solid var(--mgray);
  display: inline-block;
}

.advanced-section {
  margin-top: 0.5rem;
  border-top: 1px solid var(--mgray);
  padding-top: 0.5rem;
}

.advanced-section summary {
  font-size: 12px;
  color: var(--mwhite);
  cursor: url('assets/curspoint.png') 7 2, pointer;
  font-family: inherit;
  padding: 0.5rem 0;
  text-transform: none;
  list-style: none;
}

.advanced-section summary::before {
  content: '+ ';
}

.advanced-section[open] summary::before {
  content: '- ';
}

.advanced-section summary::-webkit-details-marker {
  display: none;
}

.button,
button {
  background: var(--surface-solid);
  color: var(--mwhite);
  padding: 0.8rem 1.1rem;
  cursor: url('assets/curspoint.png') 7 2, pointer;
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  text-transform: none;
  touch-action: manipulation;
  border: 6px solid transparent;
  border-image: url('assets/border.png') 6 round;
  transition: transform 0.1s, color 0.15s;
}

button:hover,
.button:hover {
  color: #ff8080;
}

button:active,
.button:active {
  transform: scale(0.96);
}

.mute-btn {
  background: none;
  border: none;
  border-image: none;
  padding: 8px;
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  image-rendering: pixelated;
}

.mute-btn img {
  width: 40px;
  height: 40px;
  display: block;
  image-rendering: pixelated;
  pointer-events: none;
}

.mute-btn:hover {
  filter: brightness(1.4);
}

button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.button.disabled {
  opacity: 0.35;
  pointer-events: none;
}

.output-actions {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
  align-items: center;
}

.canvas-grid {
  display: block;
  min-width: 0;
}

article {
  background: rgba(13, 13, 20, 0.8);
  border: 6px solid transparent;
  border-image: url('assets/border.png') 6 round;
  padding: 1rem;
  min-width: 0;
}

h3 {
  font-size: 14px;
  margin: 0 0 0.65rem;
  color: var(--mwhite);
  text-transform: none;
}

.hint {
  margin: 0.8rem 0 0;
  color: var(--mgray);
  font-size: 10px;
  line-height: 2;
}

.milk-credit {
  font-size: 9px;
  color: var(--mgray);
  margin: 0 0 0.8rem;
  line-height: 2.2;
}

.milk-credit a {
  color: var(--mwhite);
  text-decoration: none;
}

.milk-credit a:hover {
  text-decoration: underline;
}

.global-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 50;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}

.global-progress.visible {
  opacity: 1;
}

.global-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--mwhite);
  transition: width 0.25s;
}

.result-viewport {
  position: relative;
  width: 100%;
  max-width: 100%;
  max-height: 82vh;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 2px solid var(--mgray);
  background-color: var(--mblack);
}

#resultCanvas {
  display: block;
  max-width: 100%;
  max-height: 82vh;
  border: 0;
  background: transparent;
  image-rendering: auto;
  animation: resultFadeIn 0.3s ease;
}

#resultCanvas.render-pixelated {
  image-rendering: pixelated;
}

@keyframes resultFadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

.magnifier-lens {
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid var(--mwhite);
  overflow: hidden;
  pointer-events: none;
  display: none;
  background: var(--mblack);
  z-index: 2;
  transform: translateZ(0);
}

#magnifierCanvas {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  background: transparent;
  image-rendering: pixelated;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .container { width: min(96vw, 720px); margin: 1rem auto 0; }
  .panel { padding: 1rem; }
  .actions-top, .output-actions { flex-wrap: wrap; }
  .actions-top .button, .actions-top button, .output-actions button { min-height: 48px; flex: 1 1 140px; }
  .setting-row { padding: 0.7rem 0; gap: 0.5rem; }
  .step-btn { width: 36px; height: 36px; padding: 8px; }
  .result-viewport { max-height: 66vh; }
  #resultCanvas { max-height: 66vh; }
  .magnifier-lens { width: 132px; height: 132px; }
  .filter-tabs { flex-wrap: wrap; }
  .topbar-row { flex-wrap: wrap; }
  .topbar-actions { flex-wrap: wrap; justify-content: flex-end; }
}

@media (max-width: 520px) {
  .topbar h1 { font-size: 16px; }
  .topbar p { font-size: 9px; line-height: 2.4; }
  .kofi-btn .btn-label { display: none; }
  .kofi-btn { padding: 8px; }
  .stepper strong, .palette-stepper strong { min-width: 56px; font-size: 11px; }
  .result-viewport { max-height: 60vh; }
  #resultCanvas { max-height: 60vh; }
  body { font-size: 12px; }
  .filter-tab { flex: 1; padding: 12px 10px; font-size: 10px; }
  .setting-row > span { font-size: 10px; }
  .panel { padding: 0.8rem; }
  .settings-panel h2 { font-size: 13px; }
  .actions-top .button, .actions-top button, .output-actions button { font-size: 10px; padding: 0.7rem 0.6rem; }
}

@media (max-width: 400px) {
  .topbar h1 { font-size: 13px; }
  .topbar p { font-size: 8px; }
  .container { width: 98vw; margin: 0.6rem auto 0; padding-bottom: 1rem; }
  .panel { padding: 0.65rem; }
  .step-btn { width: 40px; height: 40px; }
  .stepper { gap: 0.1rem; }
  .stepper strong, .palette-stepper strong { min-width: 48px; font-size: 10px; }
  .setting-row > span { font-size: 9px; }
  .result-viewport { max-height: 55vh; }
  #resultCanvas { max-height: 55vh; }
  h3 { font-size: 12px; }
}