@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Share+Tech+Mono&display=swap');

:root {
  --bg:          #0d0f0e;
  --panel:       #111411;
  --panel2:      #171b17;
  --border:      #263026;
  --accent:      #4ade80;
  --accent2:     #22c55e;
  --accent-dim:  #14532d;
  --text:        #c8e6c8;
  --text-dim:    #4a6a4a;
  --danger:      #f87171;
  --gold:        #fbbf24;
  --radius:      3px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  user-select: none;
}

#header {
  height: 50px;
  background: var(--panel);
  border-bottom: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
  gap: 12px;
  box-shadow: 0 2px 20px rgba(74, 222, 128, 0.1);
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.logo-icon { font-size: 18px; }
.logo-text {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 1px;
}
.logo-sub {
  color: var(--text-dim);
  font-size: 8px;
  display: block;
  margin-top: 3px;
}

.mode-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg);
  padding: 3px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.mode-tab {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  padding: 6px 14px;
  cursor: pointer;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}
.mode-tab:hover { color: var(--text); background: var(--panel2); }
.mode-tab.active {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
}
.tab-icon { font-size: 14px; }

.btn-primary {
  background: var(--accent);
  color: #000;
  border: none;
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  font-weight: bold;
  padding: 8px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-primary:hover {
  background: #86efac;
  box-shadow: 0 0 12px rgba(74,222,128,0.4);
}

#app {
  display: grid;
  grid-template-columns: 160px 1fr 200px;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

aside {
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
aside:last-child {
  border-right: none;
  border-left: 1px solid var(--border);
}
aside::-webkit-scrollbar { width: 4px; }
aside::-webkit-scrollbar-track { background: transparent; }
aside::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.tool-section {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.section-label {
  font-family: 'Press Start 2P', monospace;
  font-size: 7px;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2px;
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.tool-btn {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: var(--radius);
  padding: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.1s;
  aspect-ratio: 1;
}
.tool-btn svg { width: 18px; height: 18px; }
.tool-btn:hover { border-color: var(--accent2); color: var(--text); }
.tool-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}
.tool-btn.toggle-on {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

#colour-display {
  position: relative;
  height: 52px;
  margin-bottom: 2px;
}
#colour-bg-swatch {
  position: absolute;
  bottom: 0; right: 0;
  width: 36px; height: 36px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  background: #000;
}
#colour-fg-swatch {
  position: absolute;
  top: 0; left: 0;
  width: 36px; height: 36px;
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  cursor: pointer;
  background: #4ade80;
  z-index: 1;
}
input[type="color"] {
  width: 0; height: 0;
  opacity: 0;
  position: absolute;
  pointer-events: none;
}
.colour-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
}
.colour-label { color: var(--text-dim); }
.colour-label.active-label { color: var(--accent); }

#palette-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
}
.palette-swatch {
  aspect-ratio: 1;
  border-radius: 2px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.1s, border-color 0.1s;
}
.palette-swatch:hover { transform: scale(1.15); border-color: var(--accent); }
.palette-swatch.selected { border-color: var(--accent); outline: 1px solid var(--accent); }

.small-btn {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  padding: 5px 8px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.1s;
  text-align: center;
  width: 100%;
}
.small-btn:hover { border-color: var(--accent2); color: var(--text); }
.small-btn.danger { border-color: var(--accent-dim); color: var(--text-dim); }
.small-btn.danger:hover { border-color: var(--danger); color: var(--danger); }
.small-btn.active { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-dim);
  cursor: pointer;
}
.setting-row input[type="checkbox"] {
  width: auto; height: auto;
  opacity: 1;
  position: static;
  accent-color: var(--accent);
  cursor: pointer;
}

#editor-panel {
  background: #080a08;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

#editor-wrap {
  position: relative;
  cursor: crosshair;
}
#pixel-canvas {
  display: block;
  image-rendering: pixelated;
}
#grid-overlay {
  position: absolute;
  top: 0; left: 0;
  pointer-events: none;
  image-rendering: pixelated;
}
#uv-labels {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.uv-label {
  position: absolute;
  font-family: 'Press Start 2P', monospace;
  font-size: 5px;
  color: rgba(74,222,128,0.55);
  white-space: nowrap;
  line-height: 1;
}

#editor-status {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: var(--panel);
  border-top: 1px solid var(--border);
  padding: 5px 12px;
  display: flex;
  gap: 20px;
  font-size: 11px;
  color: var(--text-dim);
}
#status-mode { margin-left: auto; color: var(--accent); }

#preview-panel {
  padding: 10px 8px;
}

#preview-canvas {
  width: 100% !important;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #0a120a;
  display: block;
  margin-top: 6px;
}

#preview-controls { margin-top: 6px; }

#face-buttons, #block-face-buttons {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 4px;
}
.face-btn {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  padding: 5px 6px;
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  transition: all 0.1s;
}
.face-btn:hover { border-color: var(--accent2); color: var(--text); }
.face-btn.active { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }

.hidden { display: none !important; }

#toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--accent);
  color: #000;
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  padding: 10px 20px;
  border-radius: var(--radius);
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
  z-index: 999;
  font-weight: bold;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }