#tool-body {
  --vs-panel: rgba(12, 14, 18, 0.78);
  --vs-text: #f3f4f6;
  --vs-mute: rgba(243, 244, 246, 0.58);
  --vs-line: rgba(255, 255, 255, 0.12);
  --vs-accent: #ff7a45;
  --vs-ok: #73d13d;
  --vs-warn: #ff6b4a;
  --vs-mid: #fadb14;
  --vs-avg: #69c0ff;
  --vs-stab: #b37feb;
  color: var(--vs-text);
  max-width: 960px;
  margin: 0 auto;
}
#tool-body * { box-sizing: border-box; }

/* ===== Gate ===== */
#tool-body .vs-gate {
  border-radius: 18px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(120, 50, 160, 0.22), transparent 65%),
    #050505;
  border: 1px solid rgba(0,0,0,0.25);
  box-shadow: 0 18px 48px rgba(0,0,0,0.22);
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 18px;
  text-align: center;
}
#tool-body .vs-gate.is-hidden { display: none; }
#tool-body .vs-gate-inner { width: min(440px, 100%); }
#tool-body .vs-cover {
  width: min(240px, 58vw);
  height: min(240px, 58vw);
  margin: 0 auto 20px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  background: #111;
}
#tool-body .vs-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  animation: vs-breathe 6s ease-in-out infinite;
}
@keyframes vs-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}
#tool-body .vs-gate-title {
  margin: 0 0 12px;
  font-size: clamp(24px, 5vw, 30px);
  font-weight: 800;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
#tool-body .vs-pro {
  display: inline-flex;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  background: #ff4d8d;
  color: #fff;
  align-items: center;
}
#tool-body .vs-warn {
  margin: 0 auto 20px;
  max-width: 380px;
  color: var(--vs-warn);
  font-size: 13px;
  line-height: 1.55;
  text-align: left;
  display: flex;
  gap: 8px;
}
#tool-body .vs-start {
  width: 100%;
  height: 48px;
  border: 0;
  border-radius: 999px;
  background: #e8e8e8;
  color: #111;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}
#tool-body .vs-start:hover { filter: brightness(1.05); }
#tool-body .vs-gate-credit {
  margin-top: 16px;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}

/* ===== Run layer ===== */
#tool-body .vs-run {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  z-index: 99999;
  background: #000;
  overflow: hidden;
}
#tool-body .vs-run.is-on { display: block; }

#tool-body #vs-canvas {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  background: #fbf7fe;
  /* size/position set by JS to keep square like original */
}

#tool-body .vs-hud {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
#tool-body .vs-hud .vs-hit { pointer-events: auto; }

/* Top bar: plain text left, actions right — no fake home pills */
#tool-body .vs-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 14px 16px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
#tool-body .vs-meta {
  min-width: 0;
  padding-top: 4px;
}
#tool-body .vs-title-text {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: rgba(255,255,255,0.92);
  text-shadow: 0 1px 4px rgba(0,0,0,0.55);
  line-height: 1.3;
}
#tool-body .vs-gpu-text {
  margin: 4px 0 0;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
  max-width: min(420px, 55vw);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#tool-body .vs-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}
#tool-body .vs-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--vs-line);
  background: var(--vs-panel);
  backdrop-filter: blur(12px);
  color: var(--vs-text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
#tool-body .vs-btn:hover { background: rgba(30, 34, 42, 0.92); }
#tool-body .vs-btn-end {
  background: rgba(180, 35, 24, 0.55);
  border-color: rgba(255, 120, 110, 0.45);
  color: #ffe8e5;
}
#tool-body .vs-btn-accent {
  background: var(--vs-accent);
  border-color: var(--vs-accent);
  color: #fff;
}

/* FPS dock */
#tool-body .vs-fps-dock {
  position: absolute;
  left: 50%;
  bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 16px;
  border-radius: 14px;
  background: var(--vs-panel);
  border: 1px solid var(--vs-line);
  backdrop-filter: blur(14px);
  max-width: calc(100% - 24px);
  z-index: 3;
}
#tool-body .vs-fps-label { font-size: 18px; font-weight: 800; flex-shrink: 0; }
#tool-body .vs-fps-stats { display: flex; gap: 12px; flex-wrap: wrap; }
#tool-body .vs-stat { min-width: 44px; text-align: center; }
#tool-body .vs-stat-k { display: block; font-size: 11px; color: var(--vs-mute); margin-bottom: 2px; }
#tool-body .vs-stat-v { display: block; font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; }
#tool-body .vs-stat-v.is-live { color: var(--vs-mid); }
#tool-body .vs-stat-v.is-max { color: var(--vs-ok); }
#tool-body .vs-stat-v.is-min { color: #ff7875; }
#tool-body .vs-stat-v.is-avg { color: var(--vs-avg); }
#tool-body .vs-stat-v.is-stab { color: var(--vs-stab); }
#tool-body .vs-spark { width: 110px; height: 36px; display: block; flex-shrink: 0; }

#tool-body .vs-credit {
  position: absolute;
  right: 14px;
  bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  font-size: 11px;
  color: rgba(255,255,255,0.28);
  pointer-events: none;
}
#tool-body .vs-hint {
  position: absolute;
  left: 14px;
  bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  max-width: 38%;
  font-size: 12px;
  line-height: 1.45;
  color: rgba(255,255,255,0.38);
  pointer-events: none;
}

/* Settings panel — full options like v1 */
#tool-body .vs-side {
  position: absolute;
  top: 58px;
  right: 12px;
  width: min(360px, calc(100% - 24px));
  max-height: calc(100% - 120px - env(safe-area-inset-bottom, 0px));
  overflow: hidden;
  padding: 14px 14px 10px;
  border-radius: 14px;
  background: rgba(16, 18, 22, 0.94);
  border: 1px solid var(--vs-line);
  backdrop-filter: blur(16px);
  display: none;
  flex-direction: column;
  z-index: 5;
}
#tool-body .vs-side.is-open { display: flex; }
#tool-body .vs-side-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding-right: 2px;
}
#tool-body .vs-side-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#tool-body .vs-side-close {
  width: 28px; height: 28px; border: 0; border-radius: 8px;
  background: rgba(255,255,255,0.08); color: #fff; cursor: pointer; font-size: 16px;
}
#tool-body .vs-note {
  margin: 0 0 12px;
  font-size: 12px;
  color: var(--vs-mute);
  line-height: 1.5;
}
#tool-body .vs-field-label {
  display: block; font-size: 12px; color: var(--vs-mute); margin-bottom: 6px;
}
#tool-body .vs-select,
#tool-body .vs-textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--vs-line);
  background: #0d0f12;
  color: #e8e8e8;
  font-size: 13px;
  outline: none;
}
#tool-body .vs-select {
  height: 38px;
  padding: 0 10px;
  margin-bottom: 12px;
}
#tool-body .vs-presets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}
#tool-body .vs-presets button {
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--vs-line);
  background: rgba(255,255,255,0.06);
  color: #fff;
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
}
#tool-body .vs-presets button.is-on {
  border-color: rgba(255, 122, 69, 0.75);
  background: rgba(255, 122, 69, 0.2);
}
#tool-body .vs-textarea {
  min-height: 170px;
  padding: 10px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  line-height: 1.45;
  resize: vertical;
}
#tool-body .vs-side-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex-shrink: 0;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--vs-line);
  background: rgba(16, 18, 22, 0.98);
}
#tool-body .vs-side-actions .vs-btn { flex: 1 1 100px; }

/* Report modal */
#tool-body .vs-modal {
  position: absolute; inset: 0; z-index: 10; display: none;
  align-items: center; justify-content: center; padding: 16px;
  background: rgba(0,0,0,0.55);
}
#tool-body .vs-modal.is-on { display: flex; }
#tool-body .vs-modal-card {
  width: min(420px, 100%); background: #161a20; border: 1px solid var(--vs-line);
  border-radius: 16px; padding: 18px;
}
#tool-body .vs-modal-card h3 { margin: 0 0 6px; font-size: 18px; }
#tool-body .vs-modal-card > p { margin: 0 0 14px; color: var(--vs-mute); font-size: 13px; line-height: 1.5; }
#tool-body .vs-result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 12px; }
#tool-body .vs-result-item { background: rgba(255,255,255,0.05); border-radius: 12px; padding: 10px 12px; }
#tool-body .vs-result-item small { display: block; color: var(--vs-mute); font-size: 11px; margin-bottom: 4px; }
#tool-body .vs-result-item b { font-size: 20px; font-variant-numeric: tabular-nums; }
#tool-body .vs-gpu-line { font-size: 12px; color: var(--vs-mute); margin-bottom: 14px; word-break: break-word; }
#tool-body .vs-modal-actions { display: flex; flex-wrap: wrap; gap: 8px; }
#tool-body .vs-modal-actions .vs-btn { flex: 1 1 120px; }

#tool-body .vs-fallback {
  display: none; padding: 28px 18px; text-align: center; color: var(--vs-mute);
  background: #050505; border-radius: 18px;
}
#tool-body .vs-fallback.is-on { display: block; }
#tool-body .vs-fallback h3 { margin: 0 0 8px; color: #fff; }

@media (max-width: 720px) {
  #tool-body .vs-top {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  #tool-body .vs-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 8px;
  }
  #tool-body .vs-actions .vs-btn { width: 100%; }
  #tool-body .vs-actions .vs-btn-end { min-width: 72px; }
  #tool-body .vs-gpu-text { max-width: 100%; }
  #tool-body .vs-fps-dock {
    left: 12px; right: 12px; transform: none; width: auto;
    flex-wrap: wrap; justify-content: center;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  }
  #tool-body .vs-spark { width: 100%; }
  #tool-body .vs-hint { display: none; }
  #tool-body .vs-credit {
    bottom: calc(96px + env(safe-area-inset-bottom, 0px));
  }
  #tool-body .vs-side {
    top: auto;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    right: 12px;
    left: 12px;
    width: auto;
    max-height: calc(100dvh - 100px - env(safe-area-inset-bottom, 0px));
    max-height: calc(100vh - 100px - env(safe-area-inset-bottom, 0px));
  }
}