/* The playground: toolbar, editor and output side by side (stacked on
   phones). Tokens and chrome come from rok-lang.org's style.css. */

.pg { max-width: 1280px; margin: 0 auto; padding: var(--sp-4) var(--sp-5) var(--sp-6); }

.bar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); margin: 0 0 var(--sp-3); }
.bar button, .bar select { font: inherit; }
.run {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  min-height: 40px;
  padding: 0 var(--sp-5);
  border: 0;
  border-radius: 999px;
  background: var(--accent-2);
  color: var(--on-accent);
  font-weight: 700;
  cursor: pointer;
}
.run:hover { background: var(--accent-2-deep); }
.run:disabled { opacity: .6; cursor: progress; }
.run .key { border-color: color-mix(in srgb, var(--on-accent) 50%, transparent); background: none; color: inherit; }
.ghost {
  min-height: 40px;
  padding: 0 var(--sp-4);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: none;
  color: var(--fg);
  font-weight: 600;
  cursor: pointer;
}
.ghost:hover { border-color: var(--accent-2); color: var(--accent-2); }
.ghost.small { min-height: 0; padding: 0 var(--sp-2); border-color: #3a3a46; color: #9c9eab; font: 600 var(--fs-xs)/1.7 var(--mono); }
/* A hair more space before the first tool, after the "output" label. */
#out-title + .ghost.small { margin-left: var(--sp-1); }
.pick { position: relative; }
.pick select {
  min-height: 40px;
  /* Room for our own chevron; hide the native one. */
  padding: 0 32px 0 var(--sp-4);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--panel);
  color: var(--fg);
  appearance: none;
  -webkit-appearance: none;
}
/* A chevron in the text color, a sensible gap from the edge. */
.pick::after {
  content: "";
  position: absolute;
  right: var(--sp-3);
  top: 50%;
  width: 12px;
  height: 12px;
  transform: translateY(-50%);
  background: var(--muted);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  pointer-events: none;
}
.pick:hover::after { background: var(--fg); }
.status { margin-left: auto; padding: 2px var(--sp-3); border-radius: 999px; background: var(--panel); color: var(--muted); font: 600 var(--fs-xs)/1.8 var(--sans); }
.status[data-kind="busy"] { color: var(--accent); background: var(--accent-soft); }
.status[data-kind="ok"] { color: var(--tip); }
.status[data-kind="bad"] { color: var(--caution); background: var(--accent-2-soft); }

.panes { display: grid; grid-template-columns: minmax(220px, var(--split, 1.15fr)) var(--sp-3) minmax(220px, 1fr); gap: 0; height: min(70vh, 640px); }
.divider { align-self: stretch; cursor: col-resize; position: relative; }
.divider::before { content: ""; position: absolute; inset: 0 calc(50% - 1px); border-radius: 2px; background: var(--line); }
.divider:hover::before, .divider:focus-visible::before { inset: 0 calc(50% - 1.5px); background: var(--accent-2); }
.divider:focus-visible { outline: none; }
.panes.dragging { cursor: col-resize; user-select: none; }
.pane { display: flex; flex-direction: column; min-height: 0; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.pane-head { display: flex; align-items: center; gap: 8px; height: 38px; padding: 0 var(--sp-4); border-bottom: 1px solid var(--line); background: var(--panel); font: 600 var(--fs-xs) var(--mono); color: var(--muted); }
.pane-head .hint { margin-left: auto; font-family: var(--sans); font-weight: 500; }

/* The editor: a transparent textarea over its highlighted copy. */
.ed { display: flex; flex: 1; min-height: 0; background: var(--code-bg); }
.gutter { margin: 0; padding: var(--sp-3) 0; min-width: 3.2em; overflow: hidden; list-style: none; counter-reset: ln; border-right: 1px solid var(--line); text-align: right; font: 0.875rem/1.6 var(--mono); color: var(--c); user-select: none; }
.gutter li { counter-increment: ln; padding: 0 var(--sp-2); height: 1.6em; }
.gutter li::before { content: counter(ln); }
.gutter li.bad { background: var(--accent-2-soft); color: var(--caution); font-weight: 700; }
.ed-body { position: relative; flex: 1; min-width: 0; }
.ed-body .hl, .ed-body textarea {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: var(--sp-3) var(--sp-4);
  border: 0;
  border-radius: 0;
  font: 0.875rem/1.6 var(--mono);
  tab-size: 4;
  white-space: pre;
  overflow: auto;
}
.ed-body .hl { background: none; pointer-events: none; overflow: hidden; color: var(--fg); }
.ed-body .hl code { font: inherit; }
.ed-body textarea { resize: none; background: transparent; color: transparent; caret-color: var(--accent-2); outline: none; }
.ed-body textarea::selection { background: color-mix(in srgb, var(--accent-2) 25%, transparent); color: transparent; }
.ed-pane:focus-within { border-color: var(--accent-2); }

/* The output: a terminal, as on the home page. */
.out-pane { border-color: #2b2b35; background: #1c1c24; }
.out-pane .pane-head { border-color: #2b2b35; background: #1c1c24; color: #9c9eab; }
.out-pane .term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #f9a8d4; }
.out-pane .term-bar i + i { background: #7dd3fc; }
.out-pane .term-bar i + i + i { background: #3a3a46; }
.out-pane .term-bar span { margin-left: auto; }
.out { flex: 1; min-height: 0; margin: 0; padding: var(--sp-3) var(--sp-4); border: 0; border-radius: 0; overflow: auto; background: none; color: #e6e5ec; font: 0.875rem/1.6 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.out .dim { color: #85838f; }
.out .err { color: #ef8478; }
.out .warn { color: #e0b057; }
.out .ok { color: #6fcf97; }

.about { max-width: 46rem; margin: var(--sp-4) 0 0; color: var(--muted); font-size: var(--fs-sm); }

@media (max-width: 860px) {
  .pg { padding: var(--sp-3) var(--sp-4) var(--sp-5); }
  .panes { grid-template-columns: minmax(0, 1fr); height: auto; }
  .divider { display: none; }
  .ed-pane { height: 46vh; }
  .out-pane { height: 34vh; }
  .bar { gap: 6px; }
  .run, .ghost, .pick select { min-height: 38px; font-size: var(--fs-sm); }
  .run { padding: 0 var(--sp-4); }
  .pick select { padding: 0 28px 0 var(--sp-3); max-width: 11rem; }
  .pane-head .hint { display: none; }
  .status { margin-left: 0; }
  .run .key { display: none; }
}