:root {
  --win-bg: #C0C0C0;
  --win-dark: #808080;
  --win-light: #FFFFFF;
  --win-darker: #404040;
  --win-title: #000080;
  --win-title-text: #FFFFFF;
  --win-btn-face: #C0C0C0;
  --text-color: #000000;
  --console-bg: #000000;
  --console-text: #00FF00;
}

[data-theme="xp"] {
  --win-bg: #ECE9D8;
  --win-dark: #7A96DF;
  --win-light: #FFFFFF;
  --win-darker: #003087;
  --win-title: #0054E3;
  --win-title-text: #FFFFFF;
  --win-btn-face: #ECE9D8;
  --text-color: #000000;
  --console-bg: #1A1A2E;
  --console-text: #7CFC00;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--win-bg);
  color: var(--text-color);
  font-family: 'IBM Plex Mono', monospace;
  min-height: 100vh;
}

.pixel-font { font-family: 'Press Start 2P', cursive; }
.mono-font { font-family: 'IBM Plex Mono', monospace; }

.win-outset {
  border: 2px solid;
  border-color: var(--win-light) var(--win-darker) var(--win-darker) var(--win-light);
  background: var(--win-btn-face);
}

.win-inset {
  border: 2px solid;
  border-color: var(--win-darker) var(--win-light) var(--win-light) var(--win-darker);
  background: var(--win-bg);
}

.win-title-bar {
  background: linear-gradient(90deg, var(--win-title), #1084D0);
  color: var(--win-title-text);
  padding: 6px 10px;
  font-family: 'Press Start 2P', cursive;
  font-size: 11px;
  display: flex;
  align-items: center;
  user-select: none;
  word-break: break-word;
}

@media (max-width: 640px) {
  .win-title-bar {
    font-size: 9px;
    padding: 5px 8px;
  }
}

.win-button {
  border: 2px solid;
  border-color: var(--win-light) var(--win-darker) var(--win-darker) var(--win-light);
  background: var(--win-btn-face);
  padding: 6px 16px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-color);
  outline: none;
  min-height: 36px;
  touch-action: manipulation;
}

.win-button:active {
  border-color: var(--win-darker) var(--win-light) var(--win-light) var(--win-darker);
  padding: 7px 15px 5px 17px;
}

.win-button:disabled {
  color: var(--win-dark);
  cursor: not-allowed;
}

.win-button.primary {
  font-weight: bold;
  outline: 1px solid var(--text-color);
  outline-offset: -4px;
}

.scanlines {
  position: relative;
  overflow: hidden;
}

.scanlines::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
  pointer-events: none;
}

.crt-border {
  border: 6px solid #222;
  border-radius: 8px;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.5), 0 4px 12px rgba(0,0,0,0.3);
  background: #000;
  padding: 4px;
}

@media (max-width: 640px) {
  .crt-border {
    border-width: 4px;
    border-radius: 6px;
    padding: 2px;
  }
}

.drop-zone {
  border: 3px dashed var(--win-dark);
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(0,0,0,0.02) 10px,
    rgba(0,0,0,0.02) 20px
  );
  transition: all 0.2s;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.drop-zone.dragover {
  border-color: var(--win-title);
  background: rgba(0, 0, 128, 0.05);
}

.console-output {
  background: var(--console-bg);
  color: var(--console-text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  line-height: 1.5;
  padding: 8px;
  height: 180px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

@media (max-width: 640px) {
  .console-output {
    font-size: 10px;
    height: 140px;
  }
}

.progress-bar-track {
  background: var(--win-bg);
  border: 2px solid;
  border-color: var(--win-darker) var(--win-light) var(--win-light) var(--win-darker);
  height: 24px;
}

.progress-bar-fill {
  background: linear-gradient(90deg, var(--win-title), #4169E1);
  height: 100%;
  transition: width 0.3s;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 1px;
}

.palette-cell {
  aspect-ratio: 1;
  border: 1px solid rgba(0,0,0,0.2);
  cursor: pointer;
  min-width: 0;
}

.palette-cell:hover {
  outline: 2px solid white;
  z-index: 1;
}

input[type="number"], input[type="text"], select {
  border: 2px solid;
  border-color: var(--win-darker) var(--win-light) var(--win-light) var(--win-darker);
  background: white;
  padding: 6px 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: #000;
  min-height: 36px;
  touch-action: manipulation;
}

@media (max-width: 640px) {
  input[type="number"], input[type="text"], select {
    font-size: 16px; /* prevent iOS zoom */
    min-height: 40px;
    padding: 8px;
  }
}

input[type="range"] {
  accent-color: var(--win-title);
  min-height: 32px;
  touch-action: manipulation;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.blink { animation: blink 1s infinite; }

@keyframes flipbook {
  from { opacity: 0.5; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.flipbook-frame {
  animation: flipbook 0.1s ease-out;
}

/* Bayer matrix responsive */
.bayer-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 1px;
  background: #808080;
  max-width: 200px;
}

@media (min-width: 641px) {
  .bayer-grid {
    max-width: 200px;
  }
}

.bayer-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 7px;
  font-family: 'IBM Plex Mono', monospace;
  min-width: 0;
  overflow: hidden;
}

@media (min-width: 641px) {
  .bayer-cell {
    font-size: 8px;
  }
}

/* Panel content area */
.panel-body {
  padding: 12px;
}

@media (max-width: 640px) {
  .panel-body {
    padding: 10px;
  }
}

/* Preview canvases */
.preview-canvas-wrap {
  max-width: 100%;
  overflow: hidden;
}

.preview-canvas-wrap canvas {
  display: block;
  max-width: 100%;
  height: auto;
  image-rendering: pixelated;
}

/* Mobile friendly settings grid */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 640px) {
  .settings-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* Responsive header */
.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 640px) {
  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Mobile preview side-by-side */
.preview-pair {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

@media (max-width: 640px) {
  .preview-pair {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
}

/* Resolution inputs row */
.res-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.res-inputs input[type="number"] {
  width: 70px;
}

@media (max-width: 640px) {
  .res-inputs input[type="number"] {
    width: 80px;
  }
}

/* Video element responsive */
video {
  max-width: 100%;
  max-height: 200px;
}

/* Trim inputs */
.trim-inputs {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  margin-top: 8px;
}

.trim-inputs label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: 'IBM Plex Mono', monospace;
}

.trim-inputs input[type="number"] {
  width: 70px;
}

/* Main container */
.main-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
}

@media (max-width: 640px) {
  .main-container {
    padding: 10px;
  }
}

/* Win panel margin */
.win-panel {
  margin-bottom: 16px;
}

/* Footer */
.app-footer {
  background: var(--win-darker);
  color: #aaa;
  padding: 16px;
  text-align: center;
  margin-top: 40px;
}

.app-footer p {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
}

.app-footer a {
  color: #7CB9E8;
}

/* Warning box */
.mobile-warning {
  background: #FFFFCC;
  border: 2px solid;
  border-color: var(--win-light) var(--win-darker) var(--win-darker) var(--win-light);
  padding: 10px 12px;
  margin-bottom: 12px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
}

/* Result table */
.result-table td {
  padding: 3px 0;
}

.result-table td:first-child {
  padding-right: 16px;
  font-weight: bold;
}