/* osc-build.css — free-build 555 oscillator bench (sandbox Oscillator mode). */

.ob-wrap { max-width: 960px; }

/* parts bin */
.ob-bin { margin-bottom: 14px; }
.ob-bin-title {
  display: block; font-family: "IBM Plex Mono", monospace; font-size: 12px;
  color: var(--ink-faint); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.06em;
}
.ob-bin-row { display: flex; flex-wrap: wrap; gap: 8px; }
.ob-chip {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-family: "IBM Plex Mono", monospace; font-size: 13px;
  background: var(--bg-card); color: var(--ink-soft);
  border: 1.5px solid var(--rule-strong); border-radius: 9px; padding: 7px 12px;
}
.ob-chip em { color: var(--ink-faint); font-style: normal; }
.ob-chip.on { background: var(--ink); color: var(--bg-card); border-color: var(--ink); }
.ob-chip.on em { color: var(--bg-card); opacity: 0.7; }
.ob-chip:disabled { opacity: 0.4; cursor: default; }
.ob-chip-sw {
  display: inline-grid; place-items: center; width: 20px; height: 20px;
  border-radius: 5px; background: var(--bg-deeper); color: var(--current-deep);
  font-weight: 600; font-size: 12px;
}
.ob-chip.on .ob-chip-sw { background: rgba(255,255,255,0.18); color: var(--bg-card); }

.ob-vals { display: flex; align-items: center; gap: 6px; margin-top: 9px; flex-wrap: wrap; }
.ob-vals > span { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--ink-faint); }
.ob-val {
  cursor: pointer; font-family: "IBM Plex Mono", monospace; font-size: 12px;
  background: transparent; color: var(--ink-soft);
  border: 1.4px solid var(--rule-strong); border-radius: 7px; padding: 4px 9px;
}
.ob-val.on { background: var(--current); color: var(--bg-card); border-color: var(--current); }

.ob-bin-actions { display: flex; align-items: center; gap: 10px; margin-top: 11px; flex-wrap: wrap; }
.ob-act {
  cursor: pointer; font-family: "IBM Plex Mono", monospace; font-size: 12px;
  background: transparent; color: var(--ink-soft);
  border: 1.4px solid var(--rule-strong); border-radius: 7px; padding: 5px 11px;
}
.ob-act.ghost { border-style: dashed; }
.ob-act:disabled { opacity: 0.4; cursor: default; }
.ob-hint { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--current-deep); display: inline-flex; align-items: center; gap: 8px; }

/* stage: board + side panel */
.ob-stage { display: grid; grid-template-columns: 1fr 230px; gap: 16px; align-items: start; }
@media (max-width: 760px) { .ob-stage { grid-template-columns: 1fr; } }

.ob-svg {
  background: var(--bg-card); border: 1.5px solid var(--rule-strong);
  border-radius: 12px; display: block;
}

.ob-side {
  background: var(--bg-card); border: 1.5px solid var(--rule-strong);
  border-radius: 12px; padding: 14px;
}
.ob-check-title {
  font-family: "IBM Plex Mono", monospace; font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--ink-faint); margin-bottom: 10px;
}
.ob-check { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 7px; }
.ob-check li {
  display: flex; gap: 8px; align-items: flex-start;
  font-size: 12.5px; line-height: 1.35; color: var(--ink-faint);
}
.ob-check li.ok { color: var(--ink); }
.ob-tick { font-family: "IBM Plex Mono", monospace; color: var(--ink-faint); flex: none; }
.ob-check li.ok .ob-tick { color: var(--current-deep); }

.ob-run {
  width: 100%; cursor: pointer; font-family: "IBM Plex Mono", monospace; font-size: 13px;
  background: var(--bg-deeper); color: var(--ink-faint);
  border: 1.5px solid var(--rule-strong); border-radius: 9px; padding: 10px;
}
.ob-run.ready { background: var(--current); color: var(--bg-card); border-color: var(--current); }
.ob-run:disabled { cursor: default; }

.ob-readout {
  margin-top: 12px; display: grid; gap: 5px;
  font-family: "IBM Plex Mono", monospace; font-size: 13px; color: var(--ink-soft);
}
.ob-readout b { color: var(--ink); }

/* scope */
.ob-scope-card {
  margin-top: 16px; background: var(--bg-card); border: 1.5px solid var(--rule-strong);
  border-radius: 12px; padding: 12px 14px;
}
.ob-scope-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.ob-scope-title { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.06em; }
.ob-pinrow { display: flex; flex-wrap: wrap; gap: 5px; }
.ob-pinbtn {
  cursor: pointer; font-family: "IBM Plex Mono", monospace; font-size: 11px;
  background: transparent; color: var(--ink-soft);
  border: 1.3px solid var(--rule-strong); border-radius: 6px; padding: 3px 7px;
}
.ob-pinbtn.on { background: var(--current); color: var(--bg-card); border-color: var(--current); }
.ob-scope { display: block; }

/* proof reveal (build → compare) */
.ob-proof { margin-top: 22px; }
.ob-proof-tease {
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  background: var(--bg-card); border: 1.5px solid var(--rule-strong); border-radius: 12px;
  padding: 16px 18px;
}
.ob-proof-tease.unlocked { border-color: var(--current); }
.ob-proof-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }