:root {
  --escuela_phys_equilib-ruby: #9B111E;
  --escuela_phys_equilib-blue: #0000FF;
  --escuela_phys_equilib-gold: #BDA838;
  --escuela_phys_equilib-gold-dim: rgba(189, 168, 56, 0.65);
  --escuela_phys_equilib-ink: #01020a;
  --escuela_phys_equilib-mono: 'Merriweather', 'JetBrains Mono', 'Fira Code', Consolas, Menlo, 'Courier New', monospace;
  --escuela_phys_equilib-sans: 'Merriweather', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

html, body { margin: 0; padding: 0; }
body { background: var(--escuela_phys_equilib-ink); }

/* ============================== STAGE ============================== */

.escuela_phys_equilib-stage {
  min-height: 100vh;
  box-sizing: border-box;
  padding: 26px 20px 30px;
  color: #e8ecff;
  font-family: var(--escuela_phys_equilib-sans);
  background:
    radial-gradient(1100px 520px at 12% -6%, rgba(155, 17, 30, 0.16), transparent 60%),
    radial-gradient(1200px 560px at 88% 108%, rgba(0, 0, 255, 0.15), transparent 62%),
    radial-gradient(800px 420px at 55% 30%, rgba(96, 60, 220, 0.07), transparent 65%),
    linear-gradient(180deg, #04051a 0%, #030312 50%, #01020a 100%);
  background-attachment: fixed;
  -webkit-user-select: none;
  user-select: none;
}

.escuela_phys_equilib-stage *,
.escuela_phys_equilib-stage *::before,
.escuela_phys_equilib-stage *::after { box-sizing: border-box; }

.escuela_phys_equilib-gold { color: var(--escuela_phys_equilib-gold); }

/* ============================== HEADER ============================= */

.escuela_phys_equilib-header {
  text-align: center;
  margin: 0 auto 18px;
  max-width: 1100px;
}

.escuela_phys_equilib-eyebrow {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--escuela_phys_equilib-gold-dim);
}

.escuela_phys_equilib-title {
  margin: 0;
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: 7px;
  text-transform: uppercase;
  background: linear-gradient(92deg, #ff3547 0%, #BDA838 52%, #4d6bff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 18px rgba(110, 70, 200, 0.35));
}

.escuela_phys_equilib-subtitle {
  margin: 6px 0 0;
  font-size: 14px;
  letter-spacing: 1.4px;
  color: #9aa3c7;
}

.escuela_phys_equilib-formula-chip {
  display: inline-block;
  margin-top: 13px;
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid rgba(189, 168, 56, 0.42);
  background: rgba(8, 10, 28, 0.62);
  color: var(--escuela_phys_equilib-gold);
  font-family: var(--escuela_phys_equilib-mono);
  font-size: 13px;
  letter-spacing: 1px;
  box-shadow: inset 0 0 18px rgba(189, 168, 56, 0.06), 0 0 16px rgba(0, 0, 255, 0.12);
}

/* ============================== LAB GRID =========================== */

.escuela_phys_equilib-lab {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 342px;
  gap: 16px;
  max-width: 1280px;
  margin: 0 auto;
  align-items: start;
}

/* ============================== VIEWPORT =========================== */

.escuela_phys_equilib-viewport {
  position: relative;
  min-height: 420px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid transparent;
  background:
    radial-gradient(900px 420px at 20% 0%, rgba(155, 17, 30, 0.18), transparent 60%),
    radial-gradient(1000px 460px at 82% 100%, rgba(0, 0, 255, 0.20), transparent 62%),
    radial-gradient(600px 320px at 68% 18%, rgba(120, 80, 255, 0.10), transparent 60%),
    linear-gradient(180deg, #060824 0%, #04041a 55%, #01020c 100%);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.55);
}

.escuela_phys_equilib-viewport::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  border-radius: inherit;
  box-shadow: inset 0 0 90px rgba(0, 0, 12, 0.5), inset 0 0 6px rgba(120, 110, 255, 0.18);
}

.escuela_phys_equilib-canvas {
  display: block;
  position: relative;
  z-index: 0;
  width: 100%;
  height: clamp(430px, 58vh, 620px);
  touch-action: none;
  cursor: default;
}

.escuela_phys_equilib-canvas--grab { cursor: grab; }
.escuela_phys_equilib-canvas--grabbing { cursor: grabbing; }

/* ============================== HUD ================================ */

.escuela_phys_equilib-hud {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 14px;
  max-width: calc(100% - 28px);
  padding: 10px 15px;
  border-radius: 12px;
  background: rgba(4, 6, 20, 0.58);
  border: 1px solid rgba(189, 168, 56, 0.35);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  font-family: var(--escuela_phys_equilib-mono);
  font-size: 12.5px;
  line-height: 1.75;
  letter-spacing: 0.4px;
  color: var(--escuela_phys_equilib-gold);
  text-shadow: 0 0 8px rgba(189, 168, 56, 0.4);
  pointer-events: none;
}

.escuela_phys_equilib-hud sub {
  font-size: 9px;
  letter-spacing: 0;
}

.escuela_phys_equilib-hud-value {
  font-weight: 700;
  color: var(--escuela_phys_equilib-gold);
  text-shadow: 0 0 10px rgba(189, 168, 56, 0.75);
}

/* ============================== STATE BADGE ======================== */

.escuela_phys_equilib-badge {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 7px 22px;
  border-radius: 999px;
  white-space: nowrap;
  font-family: var(--escuela_phys_equilib-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--escuela_phys_equilib-gold);
  background: rgba(4, 6, 20, 0.62);
  border: 1px solid rgba(120, 130, 170, 0.4);
  pointer-events: none;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.escuela_phys_equilib-badge--equilibrium {
  border-color: rgba(189, 168, 56, 0.9);
  animation: escuela_phys_equilib-goldPulse 1.6s ease-in-out infinite;
}

.escuela_phys_equilib-badge--cw {
  border-color: rgba(77, 107, 255, 0.85);
  box-shadow: 0 0 18px rgba(0, 0, 255, 0.45), inset 0 0 12px rgba(0, 0, 255, 0.25);
}

.escuela_phys_equilib-badge--ccw {
  border-color: rgba(255, 53, 71, 0.85);
  box-shadow: 0 0 18px rgba(155, 17, 30, 0.6), inset 0 0 12px rgba(155, 17, 30, 0.3);
}

@keyframes escuela_phys_equilib-goldPulse {
  0%, 100% { box-shadow: 0 0 10px rgba(189, 168, 56, 0.35), inset 0 0 10px rgba(189, 168, 56, 0.15); }
  50%      { box-shadow: 0 0 26px rgba(189, 168, 56, 0.85), inset 0 0 16px rgba(189, 168, 56, 0.3); }
}

/* ============================== DRAG HINT ========================== */

.escuela_phys_equilib-hint {
  position: absolute;
  z-index: 2;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 16px;
  border-radius: 999px;
  white-space: nowrap;
  font-family: var(--escuela_phys_equilib-mono);
  font-size: 10.5px;
  letter-spacing: 2.5px;
  color: var(--escuela_phys_equilib-gold-dim);
  background: rgba(4, 6, 20, 0.45);
  border: 1px solid rgba(189, 168, 56, 0.22);
  pointer-events: none;
  transition: opacity 0.5s ease;
  animation: escuela_phys_equilib-hintPulse 2.6s ease-in-out infinite;
}

.escuela_phys_equilib-hint--hidden { opacity: 0; animation: none; }

@keyframes escuela_phys_equilib-hintPulse {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 1; }
}

/* ============================== CONSOLE ============================ */

.escuela_phys_equilib-console {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.escuela_phys_equilib-panel {
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  background:
    linear-gradient(165deg, rgba(13, 16, 40, 0.94), rgba(6, 8, 24, 0.96)) padding-box,
    linear-gradient(135deg, #9B111E, #2a2560 55%, #0000FF) border-box;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

.escuela_phys_equilib-panel--left  { box-shadow: 0 10px 30px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255, 53, 71, 0.4); }
.escuela_phys_equilib-panel--right { box-shadow: 0 10px 30px rgba(0,0,0,0.45), inset 0 1px 0 rgba(77, 107, 255, 0.45); }

.escuela_phys_equilib-panel-title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 13px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--escuela_phys_equilib-gold);
}

.escuela_phys_equilib-panel-title::before {
  content: '';
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, #9B111E, #0000FF);
  box-shadow: 0 0 8px rgba(110, 80, 255, 0.6);
}

.escuela_phys_equilib-panel--left .escuela_phys_equilib-panel-title::before {
  background: #ff3547;
  box-shadow: 0 0 9px rgba(255, 53, 71, 0.8);
}

.escuela_phys_equilib-panel--right .escuela_phys_equilib-panel-title::before {
  background: #4d6bff;
  box-shadow: 0 0 9px rgba(77, 107, 255, 0.85);
}

/* ============================== FIELDS ============================= */

.escuela_phys_equilib-field { margin-bottom: 14px; }
.escuela_phys_equilib-field:last-child { margin-bottom: 0; }

.escuela_phys_equilib-field-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.escuela_phys_equilib-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--escuela_phys_equilib-gold-dim);
}

.escuela_phys_equilib-value {
  font-family: var(--escuela_phys_equilib-mono);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--escuela_phys_equilib-gold);
  text-shadow: 0 0 8px rgba(189, 168, 56, 0.5);
}

.escuela_phys_equilib-readout {
  margin-top: 7px;
  font-family: var(--escuela_phys_equilib-mono);
  font-size: 11.5px;
  letter-spacing: 0.5px;
  color: var(--escuela_phys_equilib-gold);
  opacity: 0.92;
}

/* ============================== SLIDERS ============================ */

.escuela_phys_equilib-slider {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  outline: none;
  cursor: pointer;
  background: linear-gradient(90deg, #9B111E 0%, #0000FF 100%);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.6), 0 0 10px rgba(80, 40, 200, 0.25);
}

.escuela_phys_equilib-slider:focus-visible {
  box-shadow: 0 0 0 3px rgba(189, 168, 56, 0.35);
}

.escuela_phys_equilib-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(189, 168, 56, 0.85);
  background: radial-gradient(circle at 35% 30%, #ffffff 0%, #ffd9a0 28%, #9B111E 62%, #5c0a14 100%);
  box-shadow: 0 0 10px rgba(255, 70, 90, 0.65), 0 0 3px rgba(0, 0, 0, 0.8);
  cursor: grab;
  transition: transform 0.12s ease;
}

.escuela_phys_equilib-panel--right .escuela_phys_equilib-slider::-webkit-slider-thumb {
  background: radial-gradient(circle at 35% 30%, #ffffff 0%, #b9c6ff 30%, #0000FF 62%, #000066 100%);
  box-shadow: 0 0 10px rgba(80, 110, 255, 0.7), 0 0 3px rgba(0, 0, 0, 0.8);
}

.escuela_phys_equilib-slider::-webkit-slider-thumb:hover { transform: scale(1.12); }
.escuela_phys_equilib-slider:active::-webkit-slider-thumb { cursor: grabbing; }

.escuela_phys_equilib-slider::-moz-range-track {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, #9B111E 0%, #0000FF 100%);
}

.escuela_phys_equilib-slider::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid rgba(189, 168, 56, 0.85);
  background: radial-gradient(circle at 35% 30%, #ffffff 0%, #ffd9a0 28%, #9B111E 62%, #5c0a14 100%);
  box-shadow: 0 0 10px rgba(255, 70, 90, 0.65);
  cursor: grab;
}

.escuela_phys_equilib-panel--right .escuela_phys_equilib-slider::-moz-range-thumb {
  background: radial-gradient(circle at 35% 30%, #ffffff 0%, #b9c6ff 30%, #0000FF 62%, #000066 100%);
  box-shadow: 0 0 10px rgba(80, 110, 255, 0.7);
}

/* ============================== SELECT ============================= */

.escuela_phys_equilib-select {
  width: 100%;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid rgba(189, 168, 56, 0.4);
  background: #0a0d26;
  color: var(--escuela_phys_equilib-gold);
  font-family: var(--escuela_phys_equilib-mono);
  font-size: 12.5px;
  letter-spacing: 1px;
  cursor: pointer;
  outline: none;
}

.escuela_phys_equilib-select:focus-visible {
  border-color: rgba(189, 168, 56, 0.85);
  box-shadow: 0 0 0 3px rgba(189, 168, 56, 0.25);
}

.escuela_phys_equilib-select option { background: #0a0d26; color: #BDA838; }

/* ============================== BUTTONS ============================ */

.escuela_phys_equilib-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.escuela_phys_equilib-btn {
  flex: 1 1 calc(50% - 8px);
  padding: 10px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(120deg, #9B111E, #4b1a9e 55%, #0000FF);
  color: #f2ecff;
  font-family: var(--escuela_phys_equilib-sans);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1.6px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.escuela_phys_equilib-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.15);
  box-shadow: 0 6px 18px rgba(90, 40, 220, 0.45);
}

.escuela_phys_equilib-btn:active { transform: translateY(0) scale(0.98); }

.escuela_phys_equilib-btn:focus-visible {
  outline: 2px solid rgba(189, 168, 56, 0.8);
  outline-offset: 2px;
}

.escuela_phys_equilib-btn--ghost {
  background: rgba(10, 13, 38, 0.72);
  border-color: rgba(189, 168, 56, 0.45);
  color: var(--escuela_phys_equilib-gold);
}

.escuela_phys_equilib-btn--ghost:hover { box-shadow: 0 6px 18px rgba(189, 168, 56, 0.2); }

.escuela_phys_equilib-btn--gold {
  background: rgba(10, 13, 38, 0.72);
  border-color: rgba(189, 168, 56, 0.75);
  color: var(--escuela_phys_equilib-gold);
  text-shadow: 0 0 8px rgba(189, 168, 56, 0.5);
}

/* ============================== TELEMETRY ========================== */

.escuela_phys_equilib-trow {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 6.5px 2px;
  border-bottom: 1px dashed rgba(189, 168, 56, 0.16);
  font-size: 12px;
}

.escuela_phys_equilib-trow:last-child { border-bottom: none; }

.escuela_phys_equilib-tkey {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--escuela_phys_equilib-gold-dim);
}

.escuela_phys_equilib-tval {
  font-family: var(--escuela_phys_equilib-mono);
  font-weight: 700;
  white-space: nowrap;
  color: var(--escuela_phys_equilib-gold);
  text-shadow: 0 0 8px rgba(189, 168, 56, 0.45);
}

/* ============================== FOOTER ============================= */

.escuela_phys_equilib-footer {
  max-width: 1280px;
  margin: 16px auto 0;
  text-align: center;
  font-size: 11.5px;
  letter-spacing: 1px;
  line-height: 1.7;
  color: #767ea6;
}

.escuela_phys_equilib-footer p { margin: 0; }

/* ============================== RESPONSIVE ========================= */

@media (max-width: 980px) {
  .escuela_phys_equilib-lab { grid-template-columns: 1fr; }
  .escuela_phys_equilib-canvas { height: clamp(380px, 52vh, 540px); }
}

@media (max-width: 560px) {
  .escuela_phys_equilib-stage { padding: 18px 10px 22px; }
  .escuela_phys_equilib-title { letter-spacing: 4px; }
  .escuela_phys_equilib-hud { font-size: 11px; padding: 8px 11px; }
  .escuela_phys_equilib-badge { font-size: 10px; letter-spacing: 2px; padding: 6px 14px; }
  .escuela_phys_equilib-hint { font-size: 9px; letter-spacing: 1.6px; }
  .escuela_phys_equilib-formula-chip { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  .escuela_phys_equilib-badge,
  .escuela_phys_equilib-hint { animation: none; }
  .escuela_phys_equilib-btn,
  .escuela_phys_equilib-slider::-webkit-slider-thumb { transition: none; }
}