/* Faith Through Physics — Master Equation Explorer component */
/* Drop in with master-equation-explorer.js. Uses site CSS vars. */

.me-explorer {
  --me-gold: var(--gold, #d4af37);
  --me-gold-dim: color-mix(in srgb, var(--me-gold) 10%, transparent);
  --me-blue: var(--blue, #5b9bd5);
  --me-teal: var(--teal, #3bb39a);
  --me-red: var(--red, #c94040);
  --me-serif: var(--serif, 'Crimson Text', Georgia, serif);
  --me-sans: var(--sans, 'Inter', system-ui, sans-serif);
  --me-mono: var(--mono, 'JetBrains Mono', ui-monospace, monospace);
  max-width: 820px;
  margin: 0 auto;
}

.me-trigger {
  appearance: none;
  display: block;
  width: 100%;
  padding: 1.1rem 1.4rem;
  border: 1px solid color-mix(in srgb, var(--me-gold) 25%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--me-gold) 5%, transparent);
  cursor: pointer;
  transition: all .25s ease;
  text-align: center;
}
.me-trigger:hover {
  border-color: color-mix(in srgb, var(--me-gold) 50%, transparent);
  background: color-mix(in srgb, var(--me-gold) 9%, transparent);
  transform: translateY(-1px);
  box-shadow: 0 8px 30px color-mix(in srgb, var(--me-gold) 12%, transparent);
}
.me-trigger:focus-visible { outline: 2px solid var(--me-gold); outline-offset: 3px; }
.me-trigger[aria-expanded="true"] {
  border-color: color-mix(in srgb, var(--me-gold) 45%, transparent);
  background: color-mix(in srgb, var(--me-gold) 8%, transparent);
  border-radius: 12px 12px 0 0;
}

.me-formula {
  font-family: var(--me-serif);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--me-gold);
  letter-spacing: .03em;
  line-height: 1.4;
}
.me-hint {
  font-family: var(--me-mono);
  font-size: .6rem;
  letter-spacing: .15em;
  color: var(--text-muted, #5a5a5a);
  margin-top: .5rem;
  transition: color .2s;
}
.me-trigger:hover .me-hint { color: var(--me-gold); }
.me-trigger[aria-expanded="true"] .me-hint-open,
.me-trigger[aria-expanded="false"] .me-hint-close { display: none; }

.me-panel {
  border: 1px solid color-mix(in srgb, var(--me-gold) 30%, transparent);
  border-top: none;
  border-radius: 0 0 12px 12px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--me-gold) 5%, transparent) 0%, var(--surface, #0a0a0a) 100%);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height .5s cubic-bezier(.4,0,.2,1), opacity .35s ease, padding .4s ease;
  padding: 0 1.5rem;
}
.me-panel.open {
  max-height: 2400px;
  opacity: 1;
  padding: 1.5rem 1.5rem 2rem;
}

.me-panel-head { text-align: center; margin-bottom: 1.5rem; }
.me-panel-head h3 {
  font-family: var(--me-serif);
  font-size: 1.45rem;
  font-weight: 400;
  color: #fff;
  margin-bottom: .4rem;
}
.me-panel-head p {
  font-size: .85rem;
  color: var(--text-dim, #9a9a9a);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.5;
}

.me-vars { display: flex; flex-direction: column; gap: 2px; margin-bottom: 1.5rem; }
.me-row {
  display: grid;
  grid-template-columns: 48px 1fr 28px 1fr;
  gap: 0;
  align-items: stretch;
  border-radius: 6px;
  overflow: hidden;
  transition: transform .12s;
}
.me-row:hover { transform: translateX(3px); }
.me-sym {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--me-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--me-gold);
  background: color-mix(in srgb, var(--me-gold) 10%, transparent);
  padding: .6rem .3rem;
  border-right: 2px solid color-mix(in srgb, var(--me-gold) 22%, transparent);
}
.me-phys {
  padding: .6rem .8rem;
  background: color-mix(in srgb, var(--me-blue) 7%, transparent);
  border-right: 1px solid var(--border, #222);
}
.me-phys-law {
  font-family: var(--me-mono);
  font-size: .55rem;
  letter-spacing: .12em;
  color: var(--me-blue);
  text-transform: uppercase;
  margin-bottom: .15rem;
}
.me-phys-name {
  font-family: var(--me-sans);
  font-size: .82rem;
  font-weight: 500;
  color: var(--text, #e5e3df);
}
.me-bridge {
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted, #5a5a5a);
  font-size: .7rem;
  background: var(--surface2, #111);
}
.me-spir {
  padding: .6rem .8rem;
  background: color-mix(in srgb, var(--me-gold) 6%, transparent);
}
.me-spir-tag {
  font-family: var(--me-mono);
  font-size: .55rem;
  letter-spacing: .12em;
  color: var(--me-gold);
  text-transform: uppercase;
  margin-bottom: .15rem;
}
.me-spir-name {
  font-family: var(--me-sans);
  font-size: .82rem;
  font-weight: 500;
  color: var(--text, #e5e3df);
}
.me-spir-anti {
  font-size: .7rem;
  color: var(--text-muted, #5a5a5a);
  font-style: italic;
  margin-top: .1rem;
}
.me-row-asym .me-spir { border-left: 2px solid color-mix(in srgb, var(--me-gold) 35%, transparent); }
.me-row-asym .me-spir-tag { color: var(--me-teal); }

.me-domain {
  text-align: center;
  padding: 1rem;
  border: 1px solid var(--border-2, #2a2a2a);
  border-radius: 8px;
  background: var(--surface2, #111);
  margin-bottom: 1.5rem;
}
.me-domain-formula {
  font-family: var(--me-serif);
  font-size: .95rem;
  color: var(--text-dim, #9a9a9a);
  margin-bottom: .4rem;
}
.me-domain-formula span { color: var(--me-gold); }
.me-domain-meaning {
  font-size: .8rem;
  color: var(--text-muted, #5a5a5a);
  line-height: 1.5;
}

.me-reading {
  border: 1px solid color-mix(in srgb, var(--me-gold) 22%, transparent);
  border-radius: 10px;
  padding: 1.2rem 1.3rem;
  background: color-mix(in srgb, var(--me-gold) 4%, transparent);
  margin-bottom: 1.2rem;
}
.me-reading-tag {
  font-family: var(--me-mono);
  font-size: .6rem;
  letter-spacing: .2em;
  color: var(--me-gold);
  margin-bottom: .6rem;
}
.me-reading p {
  font-family: var(--me-serif);
  font-size: 1.05rem;
  color: var(--text, #e5e3df);
  line-height: 1.65;
  font-style: italic;
}
.me-reading p + p { margin-top: .6rem; }

.me-meaning {
  border: 1px solid color-mix(in srgb, var(--me-teal) 18%, transparent);
  border-radius: 10px;
  padding: 1.2rem 1.3rem;
  background: color-mix(in srgb, var(--me-teal) 4%, transparent);
}
.me-meaning-tag {
  font-family: var(--me-mono);
  font-size: .6rem;
  letter-spacing: .2em;
  color: var(--me-teal);
  margin-bottom: .6rem;
}
.me-meaning p {
  font-size: .88rem;
  color: var(--text-dim, #9a9a9a);
  line-height: 1.6;
}
.me-meaning p + p { margin-top: .5rem; }
.me-meaning em { color: var(--me-gold); font-family: var(--me-serif); font-style: italic; }

.me-footer { text-align: center; margin-top: 1.2rem; }
.me-footer a {
  font-family: var(--me-mono);
  font-size: .72rem;
  color: var(--me-gold);
  text-decoration: none;
  letter-spacing: .08em;
  opacity: .7;
  transition: opacity .15s;
}
.me-footer a:hover { opacity: 1; text-decoration: underline; }

@media (max-width: 640px) {
  .me-row { grid-template-columns: 40px 1fr; grid-template-rows: auto auto; }
  .me-sym { grid-row: 1 / 3; }
  .me-bridge { display: none; }
  .me-phys { border-right: none; border-bottom: 1px solid var(--border, #222); }
}