:root {
  --black: #000000;
  --white: #ffffff;
  --orange: #F97316;
  --orange-dim: rgba(249, 115, 22, 0.15);
  --orange-glow: rgba(249, 115, 22, 0.08);
  --gray-950: #0A0A0A;
  --gray-900: #111111;
  --gray-850: #161616;
  --gray-800: #1A1A1A;
  --gray-750: #1F1F1F;
  --gray-700: #252525;
  --gray-600: #333333;
  --gray-500: #555555;
  --gray-400: #777777;
  --gray-300: #999999;
  --gray-200: #BBBBBB;
  --gray-100: #DDDDDD;
  --bg: var(--black);
  --panel: var(--gray-950);
  --text: var(--white);
  --muted: var(--gray-400);
  --accent: var(--orange);
  --border: var(--gray-800);
  --border-strong: var(--gray-700);
  --font-display: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Consolas', 'Courier New', monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
}

body {
  background:
    radial-gradient(circle at 50% 48%, rgba(249, 115, 22, 0.045), transparent 26%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-shell {
  width: 100%;
  max-width: 100%;
  height: 100dvh;
  min-height: 100dvh;
  display: block;
  padding: 0;
  overflow: hidden;
}

.tool-panels {
  position: relative;
  width: 100%;
  height: 100dvh;
  min-width: 0;
  min-height: 0;
  background: var(--panel);
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.015);
}

.tool-switcher {
  position: absolute;
  top: 28px;
  right: 12px;
  z-index: 20;
  display: inline-flex;
  flex-direction: row-reverse;
  align-items: flex-start;
  gap: 6px;
  transition: opacity 0.16s ease, visibility 0.16s ease;
}

.tool-switcher.is-lightbox-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.tool-switcher-toggle {
  width: 22px;
  height: 34px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--black);
  color: var(--accent);
  padding: 0;
  font: inherit;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.015), 0 8px 24px rgba(0, 0, 0, 0.35);
}

.tool-switcher-toggle:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--orange-glow), 0 8px 24px rgba(0, 0, 0, 0.35);
}

.tool-switcher select {
  width: auto;
  min-width: 112px;
  min-height: 34px;
  padding: 6px 32px 6px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--black);
  color: var(--gray-200);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.015), 0 8px 24px rgba(0, 0, 0, 0.35);
}

.tool-switcher:not(.is-open) select {
  display: none;
}

.tool-switcher.is-open select {
  min-height: 0;
  padding: 4px;
}

.tool-switcher select option {
  background: var(--black);
  color: var(--gray-200);
  padding: 6px 10px;
}

.tool-switcher select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--orange-glow), 0 8px 24px rgba(0, 0, 0, 0.35);
}

.tool-panel {
  width: 100%;
  height: 100%;
}

.tool-panel[hidden] {
  display: none;
}

.tool-frame {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--black);
}

@media (max-width: 980px) {
  .tool-switcher {
    top: 26px;
    right: 8px;
  }

  .tool-switcher select {
    min-height: 36px;
  }

  .tool-switcher-toggle {
    height: 36px;
  }
}

@media (max-width: 520px) {
  .tool-switcher select {
    min-width: 96px;
    font-size: 12px;
  }
}