/* Tweaks panel */
.tweaks-panel {
  position: fixed;
  right: 16px;
  top: 100px;
  z-index: 100;
  width: 300px;
  max-height: calc(100vh - 120px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.25);
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tweaks-panel .tp-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  background: var(--leaf-deep);
  color: var(--paper);
  font-size: 0.88rem;
}

.tweaks-panel .tp-head button {
  width: 26px; height: 26px;
  border: 0; border-radius: 50%;
  background: rgba(255,255,255,0.14);
  color: var(--paper);
  font-size: 18px;
  line-height: 1;
}

.tweaks-panel .tp-body {
  padding: 16px;
  overflow-y: auto;
  display: grid;
  gap: 18px;
}

.tweaks-panel section { display: grid; gap: 8px; }

.tweaks-panel label {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tweaks-panel label span { color: var(--ink); font-weight: 600; text-transform: none; letter-spacing: 0; font-size: 0.8rem; }

.tweaks-panel .tp-swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.tweaks-panel .tp-swatches button {
  height: 36px;
  border: 2px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease;
}

.tweaks-panel .tp-swatches button:hover { transform: scale(1.04); }
.tweaks-panel .tp-swatches button.on {
  border-color: var(--ink);
  box-shadow: inset 0 0 0 2px var(--paper);
  transform: scale(1.05);
}

.tweaks-panel select,
.tweaks-panel input[type="range"] {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  font-size: 0.9rem;
}

.tweaks-panel input[type="range"] {
  padding: 0;
  background: transparent;
  accent-color: var(--copper);
}

.tweaks-panel .tp-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
}

.tweaks-panel .tp-reset {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
}

.tweaks-panel .tp-reset:hover { background: var(--milk); }

body.hide-seals .seal { display: none !important; }

@media (max-width: 640px) {
  .tweaks-panel {
    right: 8px; left: 8px;
    width: auto;
    top: auto;
    bottom: 8px;
    max-height: 70vh;
  }
}