/* nullamp.css — Sine wave visualizer styling (square window) */

/* === PIXEL LOGO in titlebar === */
.nullamp-logo {
  height: 29px;
  margin-left: 8px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  flex-shrink: 0;
}

#nullamp-body {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #0a0a10;
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  color: #aaa;
  user-select: none;
}

/* === DISPLAY (square) === */
#nullamp-display {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(64, 192, 64, 0.12);
  border-bottom: none;
  overflow: hidden;
}

#nullamp-display.nullamp-dragover {
  border-color: rgba(64, 192, 64, 0.5);
  box-shadow: inset 0 0 30px rgba(64, 192, 64, 0.1);
}

#nullamp-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}

#nullamp-preset-name {
  position: absolute;
  top: 8px;
  left: 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(64, 192, 64, 0.7);
  text-shadow: 0 0 8px rgba(64, 192, 64, 0.4);
  pointer-events: none;
  z-index: 2;
}

/* === DROP ZONE OVERLAY === */
#nullamp-dropzone {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 16, 0.85);
  z-index: 10;
  gap: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

#nullamp-dropzone:hover {
  background: rgba(10, 10, 16, 0.75);
}

#nullamp-dropzone.hidden {
  display: none;
}

#nullamp-dropzone .drop-icon {
  font-size: 36px;
  opacity: 0.5;
  line-height: 1;
}

#nullamp-dropzone .drop-text {
  font-size: 11px;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
  text-transform: uppercase;
}

#nullamp-dropzone .drop-hint {
  font-size: 9px;
  color: rgba(64, 192, 64, 0.5);
  letter-spacing: 1px;
}

/* Hidden file input */
#nullamp-file {
  display: none;
}

/* === CONTROLS BAR === */
#nullamp-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: #0e0e16;
  border-top: 1px solid rgba(64, 192, 64, 0.08);
  flex-shrink: 0;
  flex-wrap: wrap;
}

#nullamp-controls select,
#nullamp-controls input[type="range"] {
  font-family: inherit;
  font-size: 10px;
  background: #141420;
  color: #aaa;
  border: 1px solid rgba(64, 192, 64, 0.15);
  border-radius: 3px;
  padding: 3px 6px;
  outline: none;
}

#nullamp-controls select {
  cursor: pointer;
  min-width: 100px;
}

#nullamp-controls select:hover {
  border-color: rgba(64, 192, 64, 0.3);
}

#nullamp-controls input[type="range"] {
  width: 80px;
  cursor: pointer;
  accent-color: #40c040;
}

#nullamp-controls label {
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
}

.nullamp-nav-btn {
  width: 24px;
  height: 24px;
  background: transparent;
  border: 1px solid rgba(64, 192, 64, 0.2);
  color: rgba(64, 192, 64, 0.6);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  flex-shrink: 0;
}

.nullamp-nav-btn:hover {
  background: rgba(64, 192, 64, 0.12);
  border-color: rgba(64, 192, 64, 0.4);
  color: #40c040;
  box-shadow: 0 0 8px rgba(64, 192, 64, 0.15);
}

.nullamp-ctrl-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nullamp-spacer {
  flex: 1;
}

/* Filename display */
#nullamp-filename {
  font-size: 9px;
  color: rgba(64, 192, 64, 0.6);
  letter-spacing: 0.5px;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* === RESPONSIVE === */
@media (max-width: 700px) {
  #nullamp-controls {
    padding: 5px 8px;
    gap: 6px;
  }

  #nullamp-controls select {
    min-width: 80px;
  }

  #nullamp-filename {
    max-width: 120px;
    font-size: 8px;
  }

  #nullamp-controls input[type="range"] {
    width: 60px;
  }

  .nullamp-ctrl-group {
    gap: 4px;
  }
}