/* ============================================================
   B3BOP.render — Playground: LED Face Studio
   Layout only. Tokens, reset, overlays and the drone come from ../splash.css.
   ============================================================ */
body { min-height: 100vh; }

.studio {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(1.2rem, 4vh, 2.4rem) 16px 3rem;
}

.studio__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  margin-bottom: 1.4rem;
}
.studio__eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-cyan);
}
.studio__title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.4vw, 2.1rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-text-bright);
}
.studio__back { font-size: 0.78rem; letter-spacing: 0.1em; color: var(--clr-text-dim); }
.studio__back:hover { color: var(--clr-cyan); }
.studio__lede { color: var(--clr-text-dim); font-size: 0.85rem; max-width: 60ch; margin-top: 0.3rem; }

.studio__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 1.6rem;
  align-items: start;
}

/* ---- panels ---- */
.panel {
  background: rgba(36, 37, 43, 0.72);
  border: 1px solid var(--clr-border);
  border-radius: 14px;
  padding: 16px;
}
.panel + .panel { margin-top: 1rem; }
.panel__label {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}

/* ---- editor ---- */
.editor {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #08110F;
  box-shadow: 0 0 0 0.3rem #34373C, 0 0 0 0.4rem rgba(255, 255, 255, 0.12);
  touch-action: none;                    /* painting with a finger must not scroll the page */
  cursor: crosshair;
}
.editor canvas { display: block; width: 100%; height: auto; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.tool {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.5em 0.85em;
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  background: var(--clr-bg-alt);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  transition: border-color var(--duration-fast), color var(--duration-fast), background var(--duration-fast);
}
.tool:hover { border-color: var(--clr-cyan); color: var(--clr-text-bright); }
.tool[aria-pressed="true"] { border-color: var(--clr-cyan); color: var(--clr-cyan); background: var(--clr-cyan-dim); }
.tool:disabled { opacity: 0.4; cursor: default; }
.tool kbd { font-family: var(--font-body); font-size: 0.68rem; color: var(--clr-text-dim); }
.toolbar__sep { width: 1px; background: var(--clr-border); margin: 2px 4px; }

.hint { margin-top: 10px; font-size: 0.72rem; color: var(--clr-text-dim); }

/* ---- frames (animation) ---- */
.frames-panel {
  margin-top: 16px;
  padding: 12px;
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  background: rgba(30, 31, 36, 0.6);
}
.frames-panel__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.frames-panel__count { font-size: 0.72rem; color: var(--clr-text-dim); font-variant-numeric: tabular-nums; }
.frames { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.frame {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 4px;
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  background: var(--clr-bg);
  color: var(--clr-text-dim);
  font-family: var(--font-body);
  font-size: 0.66rem;
}
.frame canvas { display: block; width: 72px; height: auto; border-radius: 4px; }
.frame[aria-pressed="true"] { border-color: var(--clr-cyan); color: var(--clr-cyan); }
.toolbar--frames { margin-top: 10px; }
.tool--field { gap: 0.4em; cursor: default; }
.tool--field input, .tool--field select {
  width: 3.4em;
  padding: 0.1em 0.3em;
  border: 1px solid var(--clr-border);
  border-radius: 5px;
  background: var(--clr-bg);
  color: var(--clr-text-bright);
  font-family: var(--font-body);
  font-size: 0.8rem;
}
.tool--field select { width: auto; }
.tool--play { margin-left: auto; border-color: var(--clr-cyan); color: var(--clr-cyan); }

/* ---- side column ---- */
.preview { display: flex; justify-content: center; padding: 8px 0 0; }
.preview .mascot { font-size: clamp(7px, 1.25vw, 11px); cursor: default; }

.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.field {
  width: 100%;
  padding: 0.55em 0.7em;
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  background: var(--clr-bg);
  color: var(--clr-text-bright);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.field:focus { outline: none; border-color: var(--clr-cyan); }
select.field { cursor: pointer; }

.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.swatch {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 2px solid transparent;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12) inset;
}
.swatch[aria-pressed="true"] { border-color: var(--clr-text-bright); box-shadow: 0 0 10px currentColor; }

.exports { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.exports .tool { justify-content: center; }
.exports .tool--wide { grid-column: 1 / -1; }
.status { min-height: 1.3em; margin-top: 10px; font-size: 0.75rem; color: var(--clr-cyan); }

@media (max-width: 900px) {
  .studio__grid { grid-template-columns: 1fr; }
  .toolbar__sep { display: none; }       /* wrapped rows leave orphan separators */
  .preview .mascot { font-size: clamp(6px, 2.4vw, 10px); }
}

/* touch screens: no keyboard shortcuts or right-click, so hide those hints */
@media (hover: none) {
  .tool kbd, .hint__mouse { display: none; }
}
@media (hover: hover) {
  .hint__touch { display: none; }
}