/* Uses vars from style.css */
.sim-page {
  padding-top: 64px;
  position: relative;
  z-index: 10;
}
.sim-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem 64px;
}
.sim-head {
  padding: 40px 0 20px;
}
.sim-head h1 {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 8px;
}
.sim-head p {
  color: var(--text-m);
  max-width: 60ch;
  line-height: 1.6;
}
.sim-back {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--text-m);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.sim-back:hover {
  color: var(--pur);
}
/* hub */
.hub-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 22px;
  align-items: center;
}
.hub-search {
  flex: 1 1 220px;
  padding: 11px 14px;
  border-radius: 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-l);
  color: var(--text);
  font: inherit;
  outline: none;
}
.hub-search:focus {
  border-color: var(--p6);
}
.chip {
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-m);
  border: 1px solid var(--border-l);
}
.chip.on {
  background: var(--p6);
  color: #fff;
  border-color: transparent;
}
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.sim-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-l);
  transition:
    border-color 0.2s,
    transform 0.2s;
}
.sim-card:hover {
  border-color: var(--p6);
  transform: translateY(-2px);
}
.sim-card-cover {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--ghost-bg);
}
.sim-card-cover-placeholder {
  display: grid;
  place-items: center;
}
.sim-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 18px;
}
.sim-card i.ic {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--ghost-bg);
  color: var(--pur);
}
.sim-card h3 {
  font-size: 1.05rem;
}
.sim-card p {
  color: var(--text-m);
  font-size: 0.85rem;
  line-height: 1.55;
  flex: 1;
}
.sim-meta {
  font-size: 0.75rem;
  color: var(--text-d);
}

/* player */
.sim-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  align-items: start;
}
@media (max-width: 960px) {
  .sim-grid {
    grid-template-columns: 1fr;
  }
}
.box {
  background: var(--bg-card);
  border: 1px solid var(--border-l);
  border-radius: 16px;
  padding: 14px;
}
.stage canvas {
  display: block;
  width: 100%;
  height: 440px;
  border-radius: 10px;
  background: var(--bg-card);
}
@media (max-width: 600px) {
  .stage canvas {
    height: 320px;
  }
}
.bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  align-items: center;
}
.sbtn {
  padding: 8px 14px;
  border-radius: 9px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ghost-txt);
  background: var(--ghost-bg);
  border: 1px solid var(--ghost-bdr);
}
.sbtn:hover {
  border-color: var(--p6);
}
.sbtn.main {
  background: var(--p6);
  color: #fff;
  border-color: transparent;
}
#presets {
  display: flex;
  gap: 6px;
  margin-left: auto;
  flex-wrap: wrap;
}
#controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px 22px;
  margin-top: 14px;
}
.ctl span {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.ctl b {
  color: var(--pur);
  font-weight: 700;
}
.ctl input {
  width: 100%;
  accent-color: var(--p6);
}
#readouts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
  margin-top: 14px;
}
.ro {
  padding: 9px 11px;
  border-radius: 10px;
  background: var(--ghost-bg);
}
.ro small {
  display: block;
  font-size: 0.7rem;
  color: var(--text-m);
}
.ro b {
  font-family: var(--font-h);
  font-size: 1.05rem;
}
.ro i {
  font-style: normal;
  font-size: 0.7rem;
  color: var(--text-m);
  margin-left: 3px;
}
.side {
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}
@media (max-width: 960px) {
  .side {
    position: static;
    max-height: none;
  }
}
.side h2 {
  font-size: 1rem;
  margin-bottom: 10px;
}
.fm {
  padding: 10px 0;
  border-top: 1px solid var(--border-l);
}
.fm h4 {
  font-size: 0.78rem;
  color: var(--pur);
  margin-bottom: 5px;
}
.fm .eq {
  font-family: "Times New Roman", serif;
  font-size: 1.02rem;
  line-height: 1.55;
}
.fm sub,
.fm sup {
  font-size: 0.72em;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
.fm sub {
  bottom: -0.28em;
}
.fm sup {
  top: -0.5em;
}
.fm .num {
  font-size: 0.8rem;
  color: var(--text-m);
  margin-top: 4px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}
.fm-note {
  font-size: 0.78rem;
  color: var(--text-d);
  border-top: 1px solid var(--border-l);
  padding-top: 10px;
}