.ae-pe-module {
  --ae-pe-bg: #0f141a;
  --ae-pe-panel: #151c24;
  --ae-pe-text: #eef4f8;
  --ae-pe-muted: #aebbc6;
  --ae-pe-line: rgba(255, 255, 255, 0.12);
  --ae-pe-accent: #d9eef7;
  --ae-pe-warn: #e3b46a;
  --ae-pe-ok: #8bd2a2;
  --ae-pe-bad: #d88989;
  --ae-pe-wave-color: #d9eef7;
  --ae-pe-wave-opacity: 0.55;
  --ae-pe-light-power: 0.45;
  --ae-pe-ray-thickness: 6px;
  --ae-pe-wave-thickness: 2px;
  --ae-pe-wave-scale: 1;
  --ae-pe-source-glow: 0.45;
  --ae-pe-lamp: 0;
  --ae-pe-current: 0%;
  --ae-pe-electron-duration: 1.5s;
  max-width: 1120px;
  margin: 2rem auto;
  padding: 1.2rem;
  border: 1px solid var(--ae-pe-line);
  border-radius: 22px;
  color: var(--ae-pe-text);
  background:
    radial-gradient(circle at top left, rgba(217, 238, 247, 0.10), transparent 34%),
    linear-gradient(135deg, #0b0f14, var(--ae-pe-bg));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.ae-pe-module * { box-sizing: border-box; }

/* Rispetta l’attributo HTML hidden anche se il campo possiede classi con display personalizzato. */
.ae-pe-module [hidden] {
  display: none !important;
}

.ae-pe-field input:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}


.ae-pe-header { margin-bottom: 1rem; }

.ae-pe-kicker {
  margin: 0 0 0.25rem;
  color: var(--ae-pe-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
}

.ae-pe-header h3,
.ae-pe-card h4,
.ae-pe-logic h4 {
  margin: 0 0 0.55rem;
  color: #ffffff;
}

.ae-pe-header p,
.ae-pe-logic p,
.ae-pe-disclaimer,

.ae-pe-spectrum-chip {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0.7rem 0 0.55rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  background: rgba(255,255,255,0.035);
  color: var(--ae-pe-muted);
}

.ae-pe-spectrum-chip span {
  display: inline-block;
  width: 42px;
  height: 18px;
  border-radius: 999px;
  background: var(--ae-pe-wave-color);
  box-shadow: 0 0 var(--ae-pe-chip-glow) var(--ae-pe-wave-color);
  opacity: var(--ae-pe-chip-opacity);
}

.ae-pe-spectrum-chip em {
  font-style: normal;
  font-size: 0.88rem;
}

.ae-pe-note {
  color: var(--ae-pe-muted);
  line-height: 1.55;
}

.ae-pe-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(320px, 1.45fr);
  gap: 1rem;
  align-items: stretch;
}

.ae-pe-card,
.ae-pe-results,
.ae-pe-bars,
.ae-pe-logic {
  border: 1px solid var(--ae-pe-line);
  border-radius: 18px;
  background: rgba(21, 28, 36, 0.88);
}

.ae-pe-card { padding: 1rem; }

.ae-pe-field {
  display: grid;
  gap: 0.45rem;
  margin: 0.85rem 0;
  color: var(--ae-pe-muted);
  font-size: 0.95rem;
}

.ae-pe-field strong { color: #ffffff; }

.ae-pe-field select,
.ae-pe-field input[type="number"] {
  width: 100%;
  border: 1px solid var(--ae-pe-line);
  border-radius: 12px;
  padding: 0.65rem 0.75rem;
  color: var(--ae-pe-text);
  background: #0d1218;
}

.ae-pe-field input[type="range"] {
  width: 100%;
  accent-color: var(--ae-pe-accent);
}


.ae-pe-spectrum-chip {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0.7rem 0 0.55rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  background: rgba(255,255,255,0.035);
  color: var(--ae-pe-muted);
}

.ae-pe-spectrum-chip span {
  display: inline-block;
  width: 42px;
  height: 18px;
  border-radius: 999px;
  background: var(--ae-pe-wave-color);
  box-shadow: 0 0 var(--ae-pe-chip-glow) var(--ae-pe-wave-color);
  opacity: var(--ae-pe-chip-opacity);
}

.ae-pe-spectrum-chip em {
  font-style: normal;
  font-size: 0.88rem;
}

.ae-pe-note {
  margin-top: 0.9rem;
  padding: 0.85rem;
  border-left: 3px solid var(--ae-pe-accent);
  border-radius: 12px;
  background: rgba(217, 238, 247, 0.07);
}

.ae-pe-visual {
  min-height: 430px;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 0.9rem;
}

.ae-pe-apparatus {
  position: relative;
  min-height: 340px;
  border-radius: 16px;
  border: 1px solid var(--ae-pe-line);
  background:
    linear-gradient(90deg, rgba(255,255,255,0.04), transparent 55%),
    radial-gradient(circle at 78% 38%, rgba(255,255,255,0.08), transparent 26%),
    #0b1016;
  overflow: hidden;
}

.ae-pe-apparatus::after {
  content: "";
  position: absolute;
  left: 9%;
  right: 9%;
  bottom: 24%;
  height: 1px;
  background: rgba(255,255,255,0.08);
}

.ae-pe-light {
  position: absolute;
  left: 4%;
  top: 20%;
  width: 36%;
  height: 44%;
  opacity: var(--ae-pe-wave-opacity);
}

.ae-pe-ray {
  position: absolute;
  left: 0;
  top: 48%;
  width: 112%;
  height: var(--ae-pe-ray-thickness);
  transform: translateY(var(--ae-pe-ray-offset));
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--ae-pe-wave-color), var(--ae-pe-ray-white));
  box-shadow:
    0 0 var(--ae-pe-ray-glow-a) var(--ae-pe-wave-color),
    0 0 var(--ae-pe-ray-glow-b) rgba(255,255,255,0.10);
  opacity: var(--ae-pe-ray-opacity);
}

.ae-pe-source {
  position: absolute;
  left: -8px;
  top: 41%;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.88), var(--ae-pe-wave-color) 42%, transparent 72%);
  box-shadow:
    0 0 var(--ae-pe-source-glow-a) var(--ae-pe-wave-color),
    0 0 var(--ae-pe-source-glow-b) rgba(255,255,255,0.15);
  opacity: var(--ae-pe-source-opacity);
}

.ae-pe-wave {
  position: absolute;
  left: 0;
  width: 96%;
  height: var(--ae-pe-wave-height);
  border-top: var(--ae-pe-wave-thickness) solid var(--ae-pe-wave-color);
  border-radius: 50%;
  filter: drop-shadow(0 0 var(--ae-pe-wave-drop) var(--ae-pe-wave-color));
  transform-origin: left center;
  animation: ae-pe-wave-slide 2.4s linear infinite;
}

.ae-pe-wave-1 { top: 10%; animation-delay: 0s; }
.ae-pe-wave-2 { top: 27%; animation-delay: -0.45s; }
.ae-pe-wave-3 { top: 44%; animation-delay: -0.9s; }
.ae-pe-wave-4 { top: 61%; animation-delay: -1.35s; }
.ae-pe-wave-5 { top: 78%; animation-delay: -1.8s; }

.ae-pe-chamber {
  position: absolute;
  right: 7%;
  top: 13%;
  width: 56%;
  height: 52%;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02)),
    rgba(255,255,255,0.025);
  box-shadow: inset 0 0 32px rgba(255,255,255,0.035), 0 14px 30px rgba(0,0,0,0.22);
  overflow: hidden;
}

.ae-pe-field-lines {
  position: absolute;
  inset: 12% 19%;
  opacity: 0.42;
}

.ae-pe-field-lines span {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.10), rgba(217,238,247,0.42), rgba(255,255,255,0.10));
}

.ae-pe-field-lines span:nth-child(1) { top: 8%; }
.ae-pe-field-lines span:nth-child(2) { top: 29%; }
.ae-pe-field-lines span:nth-child(3) { top: 50%; }
.ae-pe-field-lines span:nth-child(4) { top: 71%; }
.ae-pe-field-lines span:nth-child(5) { top: 92%; }

.ae-pe-plate {
  position: absolute;
  top: 13%;
  width: 9%;
  height: 74%;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.24);
  background:
    linear-gradient(115deg, rgba(255,255,255,0.30), rgba(255,255,255,0.07) 30%, rgba(0,0,0,0.35) 100%),
    linear-gradient(180deg, #aeb8bf, #4b565f);
  box-shadow: inset 0 0 24px rgba(255,255,255,0.08), 10px 0 30px rgba(0,0,0,0.24);
}

.ae-pe-cathode { left: 18%; }
.ae-pe-anode { right: 16%; }

.ae-pe-cathode i {
  position: absolute;
  left: -4px;
  top: 46%;
  width: calc(100% + 8px);
  height: var(--ae-pe-cathode-hit-height);
  border-radius: 999px;
  background: var(--ae-pe-wave-color);
  box-shadow:
    0 0 var(--ae-pe-cathode-glow-a) var(--ae-pe-wave-color),
    0 0 var(--ae-pe-cathode-glow-b) rgba(255,255,255,0.10);
  opacity: var(--ae-pe-cathode-opacity);
}

.ae-pe-plate span {
  position: absolute;
  left: 50%;
  bottom: 0.55rem;
  transform: translateX(-50%) rotate(-90deg);
  transform-origin: center;
  white-space: nowrap;
  color: rgba(255,255,255,0.65);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ae-pe-electron-stream {
  position: absolute;
  left: 28%;
  right: 27%;
  top: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.ae-pe-electron {
  position: absolute;
  left: 0;
  top: var(--y);
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #ffffff;
  box-shadow: 0 0 14px rgba(139, 210, 162, 0.95);
  animation: ae-pe-electron-cross var(--ae-pe-electron-duration) ease-out infinite;
  animation-delay: var(--d);
}

.ae-pe-circuit {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ae-pe-wire,
.ae-pe-wire::before,
.ae-pe-wire::after {
  position: absolute;
  background: rgba(217, 238, 247, 0.46);
  box-shadow: 0 0 var(--ae-pe-circuit-glow) rgba(217, 238, 247, 0.35);
  content: "";
}

.ae-pe-wire-left {
  left: 49.6%;
  top: 58.3%;
  width: 3px;
  height: 18.7%;
  border-radius: 999px;
}

.ae-pe-wire-right {
  left: 81.5%;
  top: 58.3%;
  width: 3px;
  height: 18.7%;
  border-radius: 999px;
}

.ae-pe-wire-bottom-left {
  left: 49.6%;
  top: 77%;
  width: calc(65.6% - 46px - 49.6%);
  height: 3px;
  border-radius: 999px;
}

.ae-pe-wire-bottom-right {
  left: calc(65.6% + 46px);
  top: 77%;
  width: calc(81.5% - 65.6% - 46px);
  height: 3px;
  border-radius: 999px;
}

.ae-pe-plate::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -10px;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  transform: translateX(-50%);
  background: rgba(217, 238, 247, 0.86);
  box-shadow: 0 0 var(--ae-pe-plate-contact-glow) rgba(217, 238, 247, 0.42);
}

 .ae-pe-load-resistor {
  position: absolute;
  left: 65.6%;
  top: 77%;
  width: 92px;
  height: 38px;
  transform: translate(-50%, -50%);
  border-radius: 12px;
  border: 2px solid rgba(217, 238, 247, 0.48);
  background:
    repeating-linear-gradient(135deg, rgba(217,238,247,0.18) 0 6px, rgba(217,238,247,0.04) 6px 12px),
    rgba(10, 16, 22, 0.94);
  box-shadow:
    0 0 var(--ae-pe-load-resistor-glow) rgba(217, 238, 247, 0.20),
    inset 0 0 18px rgba(255,255,255,0.05);
  color: #ffffff;
  display: grid;
  place-items: center;
  text-align: center;
  z-index: 4;
}

.ae-pe-load-resistor::before,
.ae-pe-load-resistor::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 12px;
  height: 3px;
  transform: translateY(-50%);
  background: rgba(217, 238, 247, 0.62);
  box-shadow: 0 0 var(--ae-pe-circuit-glow) rgba(217, 238, 247, 0.35);
}

.ae-pe-load-resistor::before { left: -13px; }
.ae-pe-load-resistor::after { right: -13px; }

.ae-pe-load-resistor strong {
  display: block;
  margin-top: 0.05rem;
  color: var(--ae-pe-accent);
  font-size: 0.9rem;
  line-height: 1;
}

.ae-pe-load-resistor span {
  display: block;
  margin-top: 0.12rem;
  color: rgba(255,255,255,0.9);
  font-size: 0.58rem;
  line-height: 1;
  white-space: nowrap;
}

.ae-pe-meter {
  position: absolute;
  z-index: 4;
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 2px solid rgba(217, 238, 247, 0.48);
  background:
    radial-gradient(circle at 50% 42%, rgba(255,255,255,0.14), rgba(255,255,255,0.04) 55%, rgba(0,0,0,0.24)),
    rgba(10, 16, 22, 0.92);
  box-shadow:
    0 0 var(--ae-pe-meter-glow) rgba(217, 238, 247, 0.18),
    inset 0 0 18px rgba(255,255,255,0.06);
  color: #ffffff;
  font-size: 0.72rem;
  text-align: center;
}

.ae-pe-meter strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.05rem;
  line-height: 1;
  color: var(--ae-pe-accent);
}

.ae-pe-meter span {
  display: block;
  margin-top: 0.12rem;
  color: rgba(255,255,255,0.84);
  font-size: 0.63rem;
  line-height: 1;
}

.ae-pe-ammeter {
  left: 56.4%;
  top: 77%;
  transform: translate(-50%, -50%);
}

.ae-pe-voltmeter {
  left: 78.4%;
  top: 28%;
  transform: translate(-50%, -50%);
}

.ae-pe-v-lead {
  position: absolute;
  z-index: 2;
  height: 2px;
  background: rgba(217, 238, 247, 0.28);
  box-shadow: 0 0 var(--ae-pe-vlead-glow) rgba(217, 238, 247, 0.24);
  transform-origin: left center;
}

.ae-pe-v-lead-left {
  left: 53.5%;
  top: 31.6%;
  width: 120px;
  transform: rotate(-18deg);
}

.ae-pe-v-lead-right {
  left: 77.5%;
  top: 31.6%;
  width: 72px;
  transform: rotate(22deg);
}

.ae-pe-verdict {
  padding: 0.9rem;
  border-radius: 14px;
  border: 1px solid var(--ae-pe-line);
  background: rgba(255,255,255,0.04);
  color: var(--ae-pe-muted);
}

.ae-pe-verdict strong { color: #ffffff; }

.ae-pe-module.is-emitting .ae-pe-verdict {
  border-color: rgba(139, 210, 162, 0.35);
  background: rgba(139, 210, 162, 0.08);
}

.ae-pe-module.is-blocked .ae-pe-verdict {
  border-color: rgba(216, 137, 137, 0.35);
  background: rgba(216, 137, 137, 0.08);
}

.ae-pe-results {
  display: grid;
  grid-template-columns: repeat(7, minmax(110px, 1fr));
  gap: 0.2rem;
  margin-top: 1rem;
  padding: 0.65rem;
}

.ae-pe-result {
  padding: 0.75rem;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
}

.ae-pe-result span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ae-pe-muted);
  font-size: 0.78rem;
}

.ae-pe-result strong {
  color: #ffffff;
  font-size: 0.98rem;
}

.ae-pe-bars {
  margin-top: 1rem;
  padding: 1rem;
}

.ae-pe-bar-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 0.8rem;
  align-items: center;
  margin: 0.65rem 0;
}

.ae-pe-bar-row span {
  color: var(--ae-pe-muted);
  font-size: 0.92rem;
}

.ae-pe-bar-track {
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,0.08);
}

.ae-pe-bar {
  height: 100%;
  width: 0;
  border-radius: inherit;
  transition: width 180ms ease;
}

.ae-pe-bar-energy { background: linear-gradient(90deg, rgba(142,167,181,0.55), var(--ae-pe-wave-color)); box-shadow: 0 0 12px rgba(255,255,255,0.08); }
.ae-pe-bar-work { background: linear-gradient(90deg, #8d7a54, var(--ae-pe-warn)); }
.ae-pe-bar-current { background: linear-gradient(90deg, #4f8b63, var(--ae-pe-ok)); }
.ae-pe-module.is-blocked .ae-pe-bar-current { background: linear-gradient(90deg, #6f3c3c, var(--ae-pe-bad)); }

.ae-pe-logic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
  padding: 1rem;
}

.ae-pe-logic > div {
  padding: 0.9rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
}

.ae-pe-disclaimer {
  margin: 1rem 0 0;
  padding: 0.8rem 1rem;
  border-top: 1px solid var(--ae-pe-line);
  font-size: 0.9rem;
}

@keyframes ae-pe-wave-slide {
  0% { transform: translateX(-26px) scaleX(var(--ae-pe-wave-scale-min)); opacity: 0; }
  20% { opacity: var(--ae-pe-wave-key-opacity); }
  100% { transform: translateX(48px) scaleX(var(--ae-pe-wave-scale-max)); opacity: 0; }
}

@keyframes ae-pe-electron-cross {
  0% { left: 0; transform: translateY(0) scale(0.65); opacity: 0; }
  14% { opacity: 1; }
  88% { opacity: 0.92; }
  100% { left: calc(100% - 9px); transform: translateY(var(--dy)) scale(1); opacity: 0; }
}

@media (max-width: 900px) {
  .ae-pe-module { padding: 0.9rem; border-radius: 18px; }
  .ae-pe-grid, .ae-pe-logic { grid-template-columns: 1fr; }
  .ae-pe-results { grid-template-columns: repeat(2, minmax(120px, 1fr)); }
  .ae-pe-bar-row { grid-template-columns: 1fr; gap: 0.35rem; }
  .ae-pe-chamber { right: 5%; width: 62%; }
  .ae-pe-light { width: 32%; }
}

@media (max-width: 560px) {
  .ae-pe-apparatus { min-height: 300px; }
  .ae-pe-chamber { top: 15%; height: 48%; }
  .ae-pe-load-resistor { width: 78px; height: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  .ae-pe-wave,
  .ae-pe-electron { animation: none; }
  .ae-pe-source {
  position: absolute;
  left: -8px;
  top: 41%;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.88), var(--ae-pe-wave-color) 42%, transparent 72%);
  box-shadow:
    0 0 var(--ae-pe-source-glow-a) var(--ae-pe-wave-color),
    0 0 var(--ae-pe-source-glow-b) rgba(255,255,255,0.15);
  opacity: var(--ae-pe-source-opacity);
}

.ae-pe-wave { opacity: 0.48; }
  .ae-pe-electron { opacity: 0.7; }
  .ae-pe-bar { transition: none; }
}

.ae-pe-note-strong {
  border-color: rgba(245, 158, 11, 0.45);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.14), rgba(15, 23, 42, 0.18));
}

/* v9 — carico resistivo e grafico I–V */
.ae-pe-load-mode {
  margin: 0.45rem 0 0.7rem;
  padding: 0.65rem 0.75rem;
  border-radius: 12px;
  border: 1px solid rgba(217, 238, 247, 0.18);
  background: rgba(217, 238, 247, 0.06);
  color: var(--ae-pe-text);
  font-size: 0.9rem;
  line-height: 1.45;
}

.ae-pe-results {
  grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
}

.ae-pe-bar-voltage { background: linear-gradient(90deg, #52658d, #9eb8ff); }
.ae-pe-bar-power { background: linear-gradient(90deg, #786044, #f0c16f); }

.ae-pe-iv-card {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--ae-pe-line);
  border-radius: 18px;
  background: rgba(21, 28, 36, 0.88);
}

.ae-pe-iv-head {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 0.85rem;
}

.ae-pe-iv-head h4 {
  margin: 0;
  color: #ffffff;
}

.ae-pe-iv-head p {
  margin: 0;
  color: var(--ae-pe-muted);
  line-height: 1.45;
}

.ae-pe-iv-graph {
  --iv-left: 12%;
  --iv-right: 12%;
  --iv-top: 10%;
  --iv-bottom: 20%;
  position: relative;
  min-height: 250px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.10);
  background:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px),
    radial-gradient(circle at 22% 16%, rgba(139, 210, 162, 0.08), transparent 34%),
    rgba(8, 12, 18, 0.76);
  background-size: 100% 25%, 12.5% 100%, auto, auto;
  overflow: hidden;
}

.ae-pe-iv-axis {
  position: absolute;
  background: rgba(255,255,255,0.34);
  box-shadow: 0 0 10px rgba(255,255,255,0.08);
}

.ae-pe-iv-axis-x {
  left: var(--iv-left);
  right: var(--iv-right);
  bottom: var(--iv-bottom);
  height: 2px;
}

.ae-pe-iv-axis-y {
  left: var(--iv-left);
  top: var(--iv-top);
  bottom: var(--iv-bottom);
  width: 2px;
}

.ae-pe-iv-curve {
  position: absolute;
  left: var(--iv-left);
  bottom: var(--iv-bottom);
  width: calc(100% - var(--iv-left) - var(--iv-right));
  height: calc(100% - var(--iv-top) - var(--iv-bottom));
}

.ae-pe-iv-curve::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 124%;
  height: 2px;
  transform-origin: left center;
  transform: rotate(35deg);
  background: linear-gradient(90deg, var(--ae-pe-ok), rgba(255,255,255,0.34), #9eb8ff);
  box-shadow: 0 0 14px rgba(217, 238, 247, 0.18);
}

.ae-pe-iv-point {
  position: absolute;
  left: var(--ae-pe-iv-x, 0%);
  top: calc(100% - var(--ae-pe-iv-y, 0%));
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.85);
  background: var(--ae-pe-wave-color);
  box-shadow:
    0 0 0 7px rgba(255,255,255,0.07),
    0 0 20px var(--ae-pe-wave-color);
  transform: translate(-50%, -50%);
  transition: left 160ms ease, top 160ms ease, background 160ms ease;
}

.ae-pe-iv-label {
  position: absolute;
  color: var(--ae-pe-muted);
  font-size: 0.78rem;
  line-height: 1.2;
}

.ae-pe-iv-label-isc {
  left: calc(var(--iv-left) + 0.35rem);
  top: calc(var(--iv-top) + 0.35rem);
}

.ae-pe-iv-label-voc {
  right: calc(var(--iv-right) + 0.35rem);
  bottom: calc(var(--iv-bottom) + 0.35rem);
  text-align: right;
}

.ae-pe-iv-label-load {
  left: calc(var(--ae-pe-iv-x, 0%) + 0.65rem);
  top: calc(100% - var(--ae-pe-iv-y, 0%) - 1.7rem);
  max-width: 150px;
  color: #ffffff;
  transition: left 160ms ease, top 160ms ease;
}

@media (max-width: 560px) {
  .ae-pe-iv-graph { min-height: 220px; }
  .ae-pe-iv-label-load { max-width: 110px; font-size: 0.7rem; }
}


/* v13 — letture elettriche più leggibili e strumenti disposti senza sovrapposizioni */
.ae-pe-meter {
  width: 64px;
  height: 64px;
}

.ae-pe-meter strong {
  font-size: 1rem;
}

.ae-pe-meter span {
  font-size: 0.58rem;
  white-space: nowrap;
}

.ae-pe-ammeter {
  left: 55.2%;
  top: 81.5%;
  transform: translate(-50%, -50%);
}

.ae-pe-load-resistor {
  left: 68.8%;
  top: 81.5%;
  width: 112px;
  height: 40px;
  transform: translate(-50%, -50%);
}

.ae-pe-load-resistor span {
  font-size: 0.62rem;
}

.ae-pe-voltmeter {
  left: 88.2%;
  top: 35.5%;
  transform: translate(-50%, -50%);
  width: 66px;
  height: 66px;
  z-index: 5;
}

.ae-pe-v-lead {
  z-index: 1;
  opacity: 0.58;
  background: rgba(217, 238, 247, 0.20);
}

.ae-pe-v-lead-left {
  left: 55%;
  top: 37.5%;
  width: 28%;
  transform: rotate(-8deg);
}

.ae-pe-v-lead-right {
  left: 78%;
  top: 44.5%;
  width: 14%;
  transform: rotate(18deg);
}

.ae-pe-wire-left,
.ae-pe-wire-right {
  top: 58.3%;
  height: 23.2%;
}

.ae-pe-wire-bottom-left,
.ae-pe-wire-bottom-right {
  top: 81.5%;
}

.ae-pe-wire-bottom-left {
  left: 49.6%;
  width: calc(55.2% - 32px - 49.6%);
}

.ae-pe-wire-bottom-right {
  left: calc(68.8% + 56px);
  width: calc(81.5% - 68.8% - 56px);
}

@media (max-width: 700px) {
  .ae-pe-meter { width: 58px; height: 58px; }
  .ae-pe-ammeter { left: 54%; top: 82%; }
  .ae-pe-load-resistor { left: 69.5%; top: 82%; width: 96px; }
  .ae-pe-voltmeter { left: 88%; top: 35%; width: 58px; height: 58px; }
  .ae-pe-load-resistor span, .ae-pe-meter span { font-size: 0.52rem; }
}