#tweaks-panel {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 300px;
  background: var(--cream);
  border: 1px solid var(--line-strong);
  box-shadow: 0 20px 60px rgba(26,25,23,.18), 0 4px 12px rgba(26,25,23,.08);
  padding: 18px;
  z-index: 999;
  font-family: var(--font-body);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity .25s, transform .25s;
}
#tweaks-panel.open { opacity: 1; transform: none; pointer-events: auto; }
.tp-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.tp-title { font-family: var(--font-display); font-size: 18px; }
.tp-sub { font-family: var(--font-mono); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--stone); }
.tp-row { margin-bottom: 16px; }
.tp-row label { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--stone); margin-bottom: 8px; }
.tp-swatches { display: flex; gap: 6px; }
.tp-sw { width: 28px; height: 28px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; padding: 0; transition: transform .15s; }
.tp-sw:hover { transform: scale(1.1); }
.tp-sw.on { border-color: var(--ink); }
.tp-typo { display: flex; flex-wrap: wrap; gap: 6px; }
.tp-fn { font-family: var(--font-body); font-size: 12px; padding: 6px 10px; background: transparent; border: 1px solid var(--line-strong); cursor: pointer; color: var(--ink-2); transition: all .15s; }
.tp-fn:hover { border-color: var(--ink); }
.tp-fn.on { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.tp-copy { width: 100%; padding: 8px 10px; border: 1px solid var(--line-strong); background: var(--cream-2); font-family: var(--font-display); font-size: 14px; resize: none; color: var(--ink); }
.tp-copy:focus { outline: 1px solid var(--ink); outline-offset: -1px; }