/* Virtual Wiring Activities: single-pole workbench */

.wiring-view { max-width: 1200px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }

.wire-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  margin-bottom: 12px;
}
.scenarios { display: flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.scn-btn {
  background: none;
  border: 0;
  color: var(--muted);
  padding: 6px 12px;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}
.scn-btn.active { background: var(--accent); color: #111; font-weight: 600; }
.scn-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.conductors { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.wire-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-right: 4px; }
.wire-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
}
.wire-btn i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.wire-btn.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.wire-tip { font-size: 0.8rem; color: var(--muted); font-style: italic; }

/* Board */
.board-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; }
.board {
  position: relative;
  min-width: 980px;
  height: 360px;
  background-color: #070e1d;
  background-image:
    linear-gradient(rgba(76, 155, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 155, 255, 0.07) 1px, transparent 1px);
  background-size: 24px 24px;
}
#wires {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.card {
  position: absolute;
  width: 190px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  z-index: 1;
}
.card-title { font-weight: 700; color: var(--accent); font-size: 0.95rem; }
.card-sub { color: var(--muted); font-size: 0.72rem; margin-bottom: 8px; }

.toggle {
  width: 100%;
  margin: 6px 0 8px;
  padding: 10px 0;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #2a3648;
  color: #cbd5e1;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
}
.toggle.on { background: #1f7a3a; color: #fff; border-color: #2fb35a; }
.toggle.trip { background: #7a1f1f; color: #fff; border-color: #e53935; }
.toggle.off { background: #2a3648; color: #cbd5e1; }
.toggle.switch-on { background: var(--accent); color: #111; border-color: var(--accent); }

.bulb {
  width: 64px;
  height: 64px;
  margin: 6px auto 4px;
  border-radius: 50%;
  border: 2px solid #3a4658;
  background: radial-gradient(circle at 50% 40%, #1b2332, #0b111c);
  transition: box-shadow 0.2s ease, background 0.2s ease;
}
.bulb.lit {
  background: radial-gradient(circle at 50% 40%, #fff7c2, #ffb300 70%);
  border-color: #ffd54f;
  box-shadow: 0 0 22px 6px rgba(255, 213, 79, 0.6);
}
.lamp-status { text-align: center; font-size: 0.72rem; color: var(--muted); margin-bottom: 6px; }

.term {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  background: none;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 4px 6px;
  margin-top: 4px;
  color: var(--text);
  font-size: 0.78rem;
  text-align: left;
  cursor: pointer;
}
.term:hover { border-color: var(--border); }
.term.pending { border-color: var(--accent); background: var(--accent-soft); }
.term.needed { border-color: #2fb35a; box-shadow: 0 0 10px rgba(47, 179, 90, 0.7); }

.dot {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.5);
}
.dot-brass { background: radial-gradient(circle at 35% 35%, #ffe08a, #b8860b); }
.dot-silver { background: radial-gradient(circle at 35% 35%, #ffffff, #8a94a3); }
.dot-green { background: radial-gradient(circle at 35% 35%, #8df0a0, #1f7a3a); }
.dot-oxide { background: radial-gradient(circle at 35% 35%, #6b5a4a, #1c1713); }

.tlabel { flex: 1 1 auto; }
.tcode {
  font-size: 0.62rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  white-space: nowrap;
}

/* Practice levels: Beginner shows labels and codes; Intermediate shows screw colours only; Advanced shows raw terminals */
body[data-level="intermediate"] .tlabel,
body[data-level="intermediate"] .tcode,
body[data-level="advanced"] .tlabel,
body[data-level="advanced"] .tcode { display: none; }
body[data-level="advanced"] .dot-brass,
body[data-level="advanced"] .dot-silver,
body[data-level="advanced"] .dot-green { background: #6b7585; }

/* Stats and actions */
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 12px 0;
  font-size: 0.85rem;
  color: var(--muted);
}
.stats b { color: var(--text); font-variant-numeric: tabular-nums; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.actions button.primary { background: var(--accent); color: #111; }
.actions button:not(.primary) { background: var(--panel-2); color: var(--text); border-color: var(--border); }

.live { margin: 0; font-size: 0.9rem; color: var(--text); min-height: 1.4em; }

/* Result panel */
.result-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.result h3 { margin: 6px 0 4px; font-size: 1.1rem; }
.badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--panel-2);
  color: var(--muted);
}
.badge.ok { background: #1f7a3a; color: #fff; }
.badge.bad { background: #7a1f1f; color: #fff; }
.pec { font-size: 0.8rem; color: var(--accent); }
.result p { margin: 6px 0; }

.truth { margin-top: 12px; border-collapse: collapse; width: 100%; font-size: 0.85rem; }
.truth th, .truth td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); }
.truth th { color: var(--muted); font-weight: 600; }

.corrective {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  font-size: 0.88rem;
}
.corrective b { color: var(--accent); }