/* === Sim overlay — dev tool, right-edge slide-out panel === */
/* Visually obviously a developer surface: monospace, dark translucent,
   no brand styling. Lives at z-index var(--z-sim). */

#sim-overlay {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: auto;            /* container is just a positioning anchor */
  pointer-events: none;   /* children opt back in */
  z-index: var(--z-sim);
  font-family: var(--font-mono);
  color: var(--text-primary);
  display: block;
}

/* ── Edge tab (always visible when collapsed) ──────────────────────────── */

.sim-tab {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 24px;
  height: 80px;
  background: var(--surface-toolbar);
  border: 1px solid var(--border-card);
  border-right: 0;
  border-top-left-radius: 8px;
  border-bottom-left-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 10px;
  line-height: 1;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform var(--dur-fast) var(--ease-smooth),
              background var(--dur-fast) var(--ease-smooth);
}

.sim-tab:hover { background: rgba(20, 20, 28, 0.92); }
.sim-tab:active { transform: translateY(-50%) scale(0.96); }

.sim-tab__glyph {
  display: inline-block;
  font-family: var(--font-mono);
  transition: transform var(--dur-fast) var(--ease-smooth);
}

#sim-overlay.is-open .sim-tab__glyph {
  transform: rotate(180deg);
}

/* ── Panel ─────────────────────────────────────────────────────────────── */

.sim-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  max-width: 92vw;
  background: var(--surface-toolbar);
  border-left: 1px solid var(--border-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transform: translateX(100%);
  transition: transform var(--dur-base) var(--ease-decel);
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
  overflow: hidden;
}

#sim-overlay.is-open .sim-panel {
  transform: translateX(0);
}

.sim-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-card);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  flex: 0 0 auto;
}

.sim-panel__title {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
}

.sim-panel__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 14px;
  background: rgba(255, 255, 255, 0.04);
}
.sim-panel__close:hover { background: rgba(255, 255, 255, 0.10); color: var(--text-primary); }

.sim-panel__body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 8px 12px 16px;
  -webkit-overflow-scrolling: touch;
}

/* ── Sections ──────────────────────────────────────────────────────────── */

.sim-section { margin-top: 14px; }
.sim-section:first-child { margin-top: 4px; }

.sim-section__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

/* ── Generic sim controls ──────────────────────────────────────────────── */

.sim-row {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.sim-row:last-child { margin-bottom: 0; }

.sim-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  transition: background var(--dur-instant) var(--ease-smooth),
              transform var(--dur-instant) var(--ease-smooth);
}
.sim-btn:hover  { background: rgba(255, 255, 255, 0.12); }
.sim-btn:active { transform: scale(0.96); }

.sim-btn[aria-pressed="true"] {
  background: rgba(0, 181, 255, 0.18);
  border-color: rgba(0, 181, 255, 0.55);
  color: var(--c-cyan);
}

.sim-btn--wide  { flex: 1 1 auto; }
.sim-btn--small { font-size: 11px; padding: 3px 8px; min-height: 24px; }
.sim-btn--danger { color: #ff8a8a; border-color: rgba(255, 120, 120, 0.35); }
.sim-btn--danger:hover { background: rgba(255, 120, 120, 0.12); }

/* Segmented control (speed) */
.sim-segmented {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 6px;
  overflow: hidden;
}
.sim-segmented .sim-btn {
  border: 0;
  border-radius: 0;
  background: transparent;
  min-width: 36px;
  padding: 4px 8px;
}
.sim-segmented .sim-btn + .sim-btn {
  border-left: 1px solid rgba(255, 255, 255, 0.10);
}
.sim-segmented .sim-btn[aria-pressed="true"] {
  background: rgba(0, 181, 255, 0.18);
  color: var(--c-cyan);
}

/* Time readout */
.sim-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 6px 8px;
  margin-top: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sim-time__primary { color: var(--c-cyan); font-weight: 600; }
.sim-time__sub     { color: var(--text-muted); }

/* Scrubber */
.sim-scrub {
  width: 100%;
  margin: 4px 0 2px;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}
.sim-scrub:focus { outline: none; }

.sim-scrub::-webkit-slider-runnable-track {
  height: 4px;
  background: linear-gradient(
    to right,
    var(--c-cyan) 0%,
    var(--c-cyan) var(--sim-progress, 0%),
    rgba(255, 255, 255, 0.14) var(--sim-progress, 0%),
    rgba(255, 255, 255, 0.14) 100%
  );
  border-radius: 999px;
}
.sim-scrub::-moz-range-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 999px;
}
.sim-scrub::-moz-range-progress {
  height: 4px;
  background: var(--c-cyan);
  border-radius: 999px;
}

.sim-scrub::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-cyan);
  border: 2px solid #0a0a12;
  margin-top: -5px;
  cursor: pointer;
}
.sim-scrub::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 2px solid #0a0a12;
  border-radius: 50%;
  background: var(--c-cyan);
  cursor: pointer;
}

.sim-ticks {
  position: relative;
  height: 14px;
  margin-bottom: 6px;
}
.sim-ticks__mark {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  line-height: 1;
}
.sim-ticks__mark::before {
  content: '';
  display: block;
  width: 1px;
  height: 4px;
  background: rgba(255, 255, 255, 0.18);
  margin: 0 auto 2px;
}

.sim-jump-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.sim-jump-grid .sim-btn { padding: 4px 4px; font-size: 10px; }

.sim-select {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  border-radius: 6px;
  padding: 6px 8px;
  margin-bottom: 6px;
}
.sim-select:focus { outline: 1px solid var(--c-cyan); outline-offset: 0; }