/* ═══════════════════════════════════════════════════════════════
   TWEAKS PANEL
   ═══════════════════════════════════════════════════════════════ */

.tweaks-panel {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 100;
  width: 280px;
  background: rgba(14, 14, 19, 0.95);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 14px 16px 16px;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.6),
              0 0 0 1px rgba(255,255,255,0.02);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out);
}
.tweaks-panel.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.tw-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.tw-title {
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-secondary);
}
.tw-close {
  width: 24px; height: 24px;
  border-radius: 6px;
  color: var(--fg-muted);
  font-size: 18px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 120ms ease, color 120ms ease;
}
.tw-close:hover { background: var(--bg-hover); color: var(--fg); }

.tw-section { margin-bottom: 12px; }
.tw-section:last-child { margin-bottom: 0; }

.tw-label {
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 8px;
}

.tw-swatches {
  display: flex;
  gap: 8px;
}
.tw-swatch {
  width: 28px; height: 28px;
  border-radius: 8px;
  border: 2px solid transparent;
  transition: transform 120ms ease, border-color 120ms ease;
  cursor: pointer;
}
.tw-swatch:hover { transform: scale(1.08); }
.tw-swatch.on { border-color: var(--fg); }

.tw-seg {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}
.tw-seg button {
  flex: 1;
  height: 28px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--fg-secondary);
  transition: background-color 120ms ease, color 120ms ease;
}
.tw-seg button:hover { color: var(--fg); }
.tw-seg button.on {
  background: var(--bg-hover);
  color: var(--fg);
  box-shadow: 0 0 0 1px var(--border-strong) inset;
}

/* Re-color primary buttons in response to --accent-fg from tweaks */
.btn-primary { color: var(--accent-fg, #0a1410); }