/* ============================================================
   Bottomz Up — Light heat control knob
   Reactor-knob concept · cream + amber · wings section
   ============================================================ */

.hk-stage {
  --hk-min: -135;
  --hk-max: 135;
  --hk-value: 37;
  --hk-deg: -45deg;
  --hk-smooth: -45deg;
  --hk-glow: 0.18;
  --hk-accent: var(--color-amber, #e7931e);
  --hk-accent-deep: var(--color-amber-deep, #c67a12);
  --hk-cream: #fffdf9;
  --hk-cream-soft: #f5e8b7;
  --hk-tick-off: #d9cfb0;
  --hk-ink: var(--color-charcoal, #2e2c2c);
  --hk-muted: var(--text-muted, #5c5850);

  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 280px;
  margin-inline: auto;
  padding: 0.25rem 0 2.75rem;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.hk-stage.is-dragging {
  cursor: grabbing;
}

.hk-kicker {
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--hk-accent-deep, var(--hk-muted));
  margin-bottom: 0.45rem;
  text-align: center;
}

.hk-wrap {
  position: relative;
  width: min(100%, 240px);
  aspect-ratio: 1;
}

/* Soft ambient glow — light mode (amber, never black) */
.hk-glow {
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    color-mix(in srgb, var(--hk-accent) 55%, transparent) 0%,
    transparent 70%
  );
  opacity: var(--hk-glow);
  filter: blur(18px);
  pointer-events: none;
  transition: opacity 0.08s linear;
  z-index: 0;
}

/* Tick ring */
.hk-ticks {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hk-tick-arm {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  margin-left: -2px;
  transform-origin: center center;
}

.hk-tick {
  position: absolute;
  top: 4px;
  left: 50%;
  width: 3px;
  height: 9px;
  margin-left: -1.5px;
  border-radius: 99px;
  background: var(--hk-tick-off);
  opacity: 0.35;
  transition: background 0.12s ease, opacity 0.12s ease, box-shadow 0.12s ease;
}

.hk-tick.is-on {
  background: var(--hk-accent);
  opacity: 1;
  box-shadow: 0 0 8px color-mix(in srgb, var(--hk-accent) 55%, transparent);
}

/* Knob disc */
.hk-knob-anchor {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 62%;
  height: 62%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.hk-knob {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  transform: rotate(var(--hk-smooth));
  cursor: grab;
  touch-action: none;
  will-change: transform;
}

.hk-stage.is-dragging .hk-knob {
  cursor: grabbing;
}

.hk-knob:focus-visible {
  outline: 2px solid var(--hk-accent);
  outline-offset: 4px;
}

.hk-knob-body {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, #fffefb 0%, var(--hk-cream) 45%, var(--hk-cream-soft) 100%);
  border: 1px solid rgba(46, 44, 44, 0.1);
  box-shadow:
    0 14px 32px rgba(46, 44, 44, 0.1),
    0 2px 0 rgba(255, 255, 255, 0.9) inset,
    0 -1px 0 rgba(46, 44, 44, 0.04) inset;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.hk-knob:hover .hk-knob-body {
  transform: scale(1.02);
}

.hk-stage.is-dragging .hk-knob-body {
  transform: scale(0.98);
}

.hk-knob-sheen {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.75), transparent 42%),
    conic-gradient(from 200deg, transparent 0deg, rgba(231, 147, 30, 0.1) 140deg, transparent 280deg);
  pointer-events: none;
}

.hk-knob-cap {
  position: relative;
  width: 58%;
  height: 58%;
  border-radius: 50%;
  background: linear-gradient(180deg, #fffdf9 0%, #fbf6e3 100%);
  border: 1px solid rgba(231, 147, 30, 0.22);
  box-shadow:
    inset 0 2px 8px rgba(46, 44, 44, 0.06),
    0 1px 0 rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hk-indicator {
  position: absolute;
  top: 10%;
  width: 6px;
  height: 18px;
  border-radius: 99px;
  background: var(--accent-flow, var(--theme-gradient, var(--hk-accent)));
  background-color: var(--hk-accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--hk-accent) 70%, transparent);
}

.hk-cap-label {
  margin-top: 1.1rem;
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--hk-muted);
  opacity: 0.75;
}

/* Readout */
.hk-readout {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  z-index: 3;
}

.hk-readout-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--hk-muted);
  margin-bottom: 0.15rem;
}

.hk-readout-value {
  position: relative;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 800;
  font-size: clamp(1.65rem, 4vw, 1.95rem);
  letter-spacing: 0.12em;
  color: var(--hk-accent-deep);
  tabular-nums: true;
  font-variant-numeric: tabular-nums;
}

.hk-readout-value::before {
  content: attr(data-display);
  position: absolute;
  inset: 0;
  color: color-mix(in srgb, var(--hk-accent) 45%, transparent);
  filter: blur(4px);
  z-index: -1;
}

.hk-readout-unit {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--hk-muted);
  margin-left: 0.15rem;
}

.hk-heat-label {
  margin-top: 0.2rem;
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--wm-color, var(--hk-accent));
  transition: color 0.3s ease;
}

/* Compact for menu embed */
.wings-meter-section--menu .hk-stage {
  max-width: 220px;
  padding-bottom: 2.4rem;
}

.wings-meter-section--menu .hk-wrap {
  width: 200px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hk-knob,
  .hk-tick,
  .hk-glow {
    transition: none !important;
  }
}