/* engine.css — Akasha Engine styles. Reads tokens from colors_and_type.css */

:root {
  --akx-accent-core: var(--purple-core);
  --akx-accent-glow: var(--purple-glow);
  --akx-accent-deep: var(--purple-deep);
}

@keyframes akx-rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes akx-breath {
  from { transform: scale(1.0); }
  to   { transform: scale(1.018); }
}
@keyframes akx-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

[data-rot="off"] .akx-orb-svg g[style*="animation"] { animation: none !important; }
[data-dots="off"] .akx-orb-svg g > circle[r="0.9"],
[data-dots="off"] .akx-orb-svg g > circle[r="1.6"] { display: none; }
[data-formula="off"] .akx-formula { display: none; }
[data-labels="technical"] .akx-eyebrow { text-transform: uppercase; letter-spacing: 0.18em; }
[data-labels="technical"] .akx-mod-name { text-transform: uppercase; letter-spacing: 0.16em; }

/* ─────────────────────────────────────────────────────────────
   Engine layout (register-agnostic)
   ───────────────────────────────────────────────────────────── */

.akx {
  position: absolute; inset: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  font-family: var(--font-sans);
  --akx-accent: var(--akx-accent-core);
  --akx-pad-x: 56px;
  padding: 0;
  overflow: hidden;
}

/* ── Header ── */
.akx-header { padding: 28px var(--akx-pad-x) 18px; }
.akx-header-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: end;
}
.akx-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 56px;
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin: 6px 0 4px;
  text-transform: lowercase;
}
.akx-subtitle {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.akx-subtitle sup { font-size: 0.7em; }

.akx-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  text-transform: lowercase;
  letter-spacing: 0.32em;
  opacity: 0.62;
}

.akx-header-controls {
  display: flex; flex-direction: column; align-items: flex-end; gap: 14px;
  min-width: 460px;
}

/* segmented */
.akx-segmented {
  display: inline-flex; gap: 0;
  border: 1px solid currentColor;
  border-color: var(--akx-line);
}
.akx-seg {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: lowercase;
  padding: 9px 16px;
  border: 0;
  border-left: 1px solid var(--akx-line);
  color: inherit;
  cursor: pointer;
  opacity: 0.68;
  transition: background 160ms ease-out, opacity 160ms ease-out;
}
.akx-seg:first-child { border-left: 0; }
.akx-seg:hover { opacity: 1; }
.akx-seg.is-active {
  background: var(--akx-seg-active-bg);
  color: var(--akx-seg-active-fg);
  opacity: 1;
}
.akx-seg-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--akx-faint-2);
}
.akx-seg-dot[data-status="current"]  { background: var(--akx-accent); }
.akx-seg-dot[data-status="baseline"] { background: var(--akx-fg); }
.akx-seg-dot[data-status="fail"]     { background: var(--alarm); }

/* slider */
.akx-slider { width: 460px; }
.akx-slider-head {
  display: flex; align-items: end; justify-content: space-between; margin-bottom: 8px;
}
.akx-slider-readout {
  display: inline-flex; align-items: center; gap: 12px;
}
.akx-readout-big {
  font-size: 22px; font-weight: 500;
  letter-spacing: -0.02em;
}
.akx-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: lowercase;
  letter-spacing: 0.22em;
  padding: 3px 9px;
  border: 1px solid currentColor;
}
.akx-pill-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.akx-pill.is-ok    { color: var(--moss); }
.akx-pill.is-alarm { color: var(--alarm); animation: akx-blink 0.9s ease-in-out infinite; }

.akx-range {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 22px;
  background: transparent; cursor: pointer;
}
.akx-range::-webkit-slider-runnable-track {
  height: 1px; background: var(--akx-fg);
}
.akx-range::-moz-range-track { height: 1px; background: var(--akx-fg); }
.akx-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  background: var(--akx-accent);
  border: 1px solid var(--akx-fg);
  border-radius: 0;
  margin-top: -7px;
  transition: transform 120ms ease-out;
}
.akx-range:hover::-webkit-slider-thumb { transform: scale(1.15); }
.akx-range::-moz-range-thumb {
  width: 14px; height: 14px;
  background: var(--akx-accent);
  border: 1px solid var(--akx-fg);
  border-radius: 0;
}
.akx-slider-foot {
  display: flex; justify-content: space-between;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.12em;
  opacity: 0.5;
}

.akx-rule {
  background: var(--akx-line);
  margin: 18px 0 0;
}

/* ── Main 3-column grid ── */
.akx-main {
  display: grid;
  grid-template-columns: 320px 1fr 320px;
  gap: 24px;
  padding: 26px var(--akx-pad-x) 18px;
  align-items: stretch;
  min-height: 0;
}
.akx-col { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.akx-col-center { align-items: center; justify-content: center; }

/* ── Module card ── */
.akx-mod {
  position: relative;
  padding: 18px 18px 16px;
  background: var(--akx-mod-bg);
  border: 1px solid var(--akx-mod-border);
  backdrop-filter: var(--akx-glass-blur);
  -webkit-backdrop-filter: var(--akx-glass-blur);
  transition: border-color 200ms ease-out, background 200ms ease-out, box-shadow 200ms ease-out;
}
.akx-mod.is-hover {
  border-color: var(--akx-accent);
  box-shadow: var(--akx-mod-hover-shadow);
}
.akx-mod-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 8px; margin-bottom: 14px;
}
.akx-mod-name {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: lowercase;
  letter-spacing: 0.22em;
  font-weight: 500;
  color: var(--akx-accent);
}
.akx-mod-suffix {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  opacity: 0.55;
  margin-top: 2px;
}

.akx-stamp {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  padding: 3px 8px;
  border: 1px solid currentColor;
  color: var(--akx-fg-3);
  background: transparent;
}
.akx-stamp--accent { color: var(--akx-accent); }
.akx-stamp--moss   { color: var(--moss); }

/* Big from→to pair */
.akx-pair { margin-bottom: 12px; }
.akx-pair-row { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.akx-pair-from {
  font-size: 28px; font-weight: 400;
  letter-spacing: -0.02em;
  opacity: 0.55;
  font-variant-numeric: tabular-nums;
}
.akx-pair-arrow { opacity: 0.4; font-size: 16px; }
.akx-pair-to {
  font-size: 30px; font-weight: 500;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.akx-pair-to.is-accent { color: var(--akx-accent); }

/* bullets */
.akx-mod-bullets {
  display: flex; flex-direction: column; gap: 8px;
  padding: 10px 0;
  border-top: 1px solid var(--akx-line-2);
  border-bottom: 1px solid var(--akx-line-2);
  font-size: 13px;
}
.akx-mod-bullets > div { display: flex; align-items: center; gap: 10px; }
.akx-bullet {
  width: 6px; height: 6px; flex: 0 0 6px;
  background: var(--akx-fg);
  border-radius: 0;
}
.akx-bullet[data-tone="accent"] { background: var(--akx-accent); }
.akx-bullet[data-tone="moss"]   { background: var(--moss); }
.akx-bullet[data-tone="muted"]  { background: var(--akx-faint-2); }
.akx-bullet[data-tone="ink"]    { background: var(--akx-fg); }

.akx-formula {
  margin-top: 10px;
  padding: 8px 10px;
  background: var(--akx-formula-bg);
  border: 1px solid var(--akx-line-2);
}
.akx-formula code {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
  opacity: 0.78;
}

.akx-grid-2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 4px;
}
.akx-tile {
  padding: 10px 12px;
  border: 1px solid var(--akx-line-2);
  background: var(--akx-tile-bg);
}
.akx-tile-v {
  font-size: 16px; font-weight: 500;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  margin-bottom: 4px;
}

.akx-row-between {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px;
}
.akx-row-between code {
  font-family: var(--font-mono); font-size: 12px;
  background: transparent; border: 0; padding: 0;
  color: var(--akx-accent);
}

.akx-callout {
  padding: 10px 12px;
  border: 1px solid var(--akx-line-2);
  background: var(--akx-callout-bg);
  margin-bottom: 4px;
}
.akx-callout-v {
  font-size: 13px; font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.akx-bar {
  width: 100%; height: 3px; background: var(--akx-line-2); overflow: hidden;
}
.akx-bar--soft { height: 2px; margin-top: 8px; }
.akx-bar-fill { height: 100%; background: var(--akx-accent); transition: width 300ms ease-out; }
.akx-bar-row { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.akx-bar-row .akx-bar { flex: 1; }

/* ── Orb ── */
.akx-orb-wrap {
  position: relative;
  width: 560px; height: 560px;
  max-width: 100%;
  color: var(--akx-fg);
}
.akx-orb-svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.akx-orb-hud {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  pointer-events: none;
  text-align: center;
}
.akx-hud-key {
  font-size: 22px; font-weight: 500; letter-spacing: 0.06em;
  color: var(--akx-fg);
  margin-bottom: 8px;
}
.akx-hud-eq  { color: var(--akx-accent); margin: 0 2px; }
.akx-hud-one { color: var(--akx-accent); }
.akx-hud-rule {
  width: 90px; height: 1px; background: var(--akx-accent); opacity: 0.45; margin-bottom: 12px;
}
.akx-hud-rows {
  display: flex; flex-direction: column; gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: lowercase;
}
.akx-hud-rows > div { display: flex; gap: 10px; align-items: baseline; }
.akx-hud-idx {
  color: var(--akx-accent);
  letter-spacing: 0.12em;
}
.akx-hud-chip {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: lowercase;
  padding: 4px 10px;
  border: 1px solid var(--akx-accent);
  color: var(--akx-accent);
}
.akx-hud-chip-dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--akx-accent);
  animation: akx-blink 2.4s ease-in-out infinite;
}
.akx-orb-top, .akx-orb-bot {
  position: absolute; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: lowercase;
  white-space: nowrap;
  padding: 4px 12px;
  background: var(--akx-chip-bg);
  border: 1px solid var(--akx-line-2);
  color: var(--akx-fg-2);
}
.akx-orb-top { top: 12px; }
.akx-orb-bot { bottom: 12px; font-size: 10px; opacity: 0.7; }

/* ── Stress strip ── */
.akx-strip {
  margin: 0 var(--akx-pad-x) 26px;
  padding: 18px 20px;
  border: 1px solid var(--akx-line);
  background: var(--akx-strip-bg);
}
.akx-strip-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.akx-strip-title {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: lowercase;
  margin-top: 4px;
}
.akx-strip-status { display: inline-flex; gap: 10px; }

.akx-strip-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 10px;
  padding: 16px 0;
}
.akx-step {
  padding: 10px 12px;
  border: 1px solid var(--akx-line-2);
  background: var(--akx-step-bg);
  display: flex; flex-direction: column; gap: 6px;
  transition: border-color 180ms ease-out, background 180ms ease-out;
}
.akx-step.is-fail    { border-color: var(--alarm-soft, rgba(156,31,30,0.5)); background: var(--akx-step-fail-bg); }
.akx-step.is-current { border-color: var(--akx-accent); background: var(--akx-step-current-bg); }
.akx-step.is-target  { border-color: var(--moss); background: var(--akx-step-target-bg); }
.akx-step.is-here    { box-shadow: 0 0 0 1px var(--akx-accent) inset; }

.akx-step-head { display: inline-flex; gap: 8px; align-items: center; }
.akx-step-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--akx-fg-3); }
.akx-step.is-fail    .akx-step-dot { background: var(--alarm); }
.akx-step.is-current .akx-step-dot { background: var(--akx-accent); animation: akx-blink 1.4s ease-in-out infinite; }
.akx-step.is-baseline .akx-step-dot { background: var(--akx-fg); }
.akx-step.is-target  .akx-step-dot { background: var(--moss); }

.akx-step-k {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.22em;
  opacity: 0.78;
}
.akx-step.is-fail .akx-step-k    { color: var(--alarm); }
.akx-step.is-current .akx-step-k { color: var(--akx-accent); }
.akx-step.is-target  .akx-step-k { color: var(--moss); }
.akx-step-val {
  font-size: 17px; font-weight: 500; letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.akx-step.is-target .akx-step-val { color: var(--moss); }
.akx-step-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: lowercase;
  letter-spacing: 0.2em;
  opacity: 0.55;
}

.akx-strip-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px;
  font-size: 11px;
}
.akx-sep { margin: 0 8px; opacity: 0.35; }

.akx-faint { opacity: 0.5; }
.akx-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* =========================================================================
   REGISTER A — Quiet Paper (cream + ink + purple)
   ========================================================================= */
.akx--paper {
  background: var(--aether);
  color: var(--ink);
  --akx-fg: var(--ink);
  --akx-fg-2: var(--ink-2);
  --akx-fg-3: var(--smoke);
  --akx-faint-2: var(--smoke-2);
  --akx-line: var(--ink);
  --akx-line-2: rgba(10,10,10,0.14);
  --akx-mod-bg: var(--cream);
  --akx-mod-border: var(--ink);
  --akx-mod-hover-shadow: 0 1px 0 rgba(10,10,10,0.04), 0 14px 36px -16px rgba(74,33,104,0.28);
  --akx-glass-blur: none;
  --akx-formula-bg: rgba(10,10,10,0.03);
  --akx-tile-bg: rgba(10,10,10,0.02);
  --akx-callout-bg: rgba(107,46,156,0.05);
  --akx-chip-bg: var(--aether);
  --akx-strip-bg: var(--cream);
  --akx-step-bg: rgba(10,10,10,0.015);
  --akx-step-fail-bg: rgba(156,31,30,0.06);
  --akx-step-current-bg: rgba(107,46,156,0.08);
  --akx-step-target-bg: rgba(62,74,40,0.06);
  --akx-seg-active-bg: var(--ink);
  --akx-seg-active-fg: var(--aether);
  /* orb visuals */
  --akx-orb-fill-hi: #1a1a1a;
  --akx-orb-fill-lo: #0a0a0a;
  --akx-orb-stroke: var(--ink);
  --akx-orb-hi:   rgba(255,255,255,0.04);
  --akx-orb-glow-1: rgba(107,46,156,0.10);
  --akx-orb-glow-2: rgba(107,46,156,0);
}
.akx--paper .akx-hud-key,
.akx--paper .akx-hud-rows {
  color: var(--aether);
  text-shadow: 0 0 6px rgba(0,0,0,0.4);
}
.akx--paper .akx-hud-rule {
  background: var(--akx-accent-glow); opacity: 0.7;
}
.akx--paper .akx-hud-chip {
  background: rgba(245,241,230,0.08);
  color: var(--akx-accent-glow);
  border-color: var(--akx-accent-glow);
}
.akx--paper .akx-hud-idx { color: var(--akx-accent-glow); }

/* =========================================================================
   REGISTER B — Dark Ceremonial (ink + hollow purple glass)
   ========================================================================= */
.akx--ink {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(107,46,156,0.18), transparent 55%),
    radial-gradient(ellipse at 100% 100%, rgba(46,18,68,0.6), transparent 60%),
    var(--ink);
  color: var(--aether);
  --akx-fg: var(--aether);
  --akx-fg-2: rgba(245,241,230,0.85);
  --akx-fg-3: rgba(245,241,230,0.62);
  --akx-faint-2: rgba(245,241,230,0.32);
  --akx-line: rgba(245,241,230,0.18);
  --akx-line-2: rgba(176,112,224,0.18);
  --akx-mod-bg: linear-gradient(180deg, rgba(107,46,156,0.06), rgba(46,18,68,0.10));
  --akx-mod-border: rgba(176,112,224,0.28);
  --akx-mod-hover-shadow:
    0 0 0 1px rgba(176,112,224,0.35) inset,
    0 20px 60px -20px rgba(107,46,156,0.55),
    inset 0 1px 0 rgba(255,255,255,0.04);
  --akx-glass-blur: blur(14px) saturate(160%);
  --akx-formula-bg: rgba(10,10,10,0.45);
  --akx-tile-bg: rgba(245,241,230,0.025);
  --akx-callout-bg: rgba(107,46,156,0.10);
  --akx-chip-bg: rgba(10,10,10,0.6);
  --akx-strip-bg: linear-gradient(180deg, rgba(107,46,156,0.05), rgba(10,10,10,0.4));
  --akx-step-bg: rgba(245,241,230,0.025);
  --akx-step-fail-bg: rgba(156,31,30,0.16);
  --akx-step-current-bg: rgba(107,46,156,0.18);
  --akx-step-target-bg: rgba(62,74,40,0.20);
  --akx-seg-active-bg: var(--akx-accent-glow);
  --akx-seg-active-fg: var(--ink);
  --akx-accent: var(--akx-accent-glow);
  /* orb visuals — hollow purple glass */
  --akx-orb-fill-hi: rgba(176,112,224,0.32);
  --akx-orb-fill-lo: rgba(46,18,68,0.55);
  --akx-orb-stroke: rgba(176,112,224,0.55);
  --akx-orb-hi:   rgba(255,255,255,0.12);
  --akx-orb-glow-1: rgba(176,112,224,0.32);
  --akx-orb-glow-2: rgba(176,112,224,0);
}

/* Glass density tweak */
[data-glass="thin"] .akx--ink {
  --akx-mod-bg: linear-gradient(180deg, rgba(107,46,156,0.025), rgba(46,18,68,0.04));
  --akx-glass-blur: blur(8px) saturate(140%);
  --akx-mod-border: rgba(176,112,224,0.18);
}
[data-glass="dense"] .akx--ink {
  --akx-mod-bg: linear-gradient(180deg, rgba(107,46,156,0.14), rgba(46,18,68,0.22));
  --akx-glass-blur: blur(22px) saturate(180%);
  --akx-mod-border: rgba(176,112,224,0.45);
  --akx-mod-hover-shadow:
    0 0 0 1px rgba(176,112,224,0.55) inset,
    0 30px 80px -20px rgba(107,46,156,0.7),
    inset 0 1px 0 rgba(255,255,255,0.08);
}
[data-glass="thin"] .akx--paper {
  --akx-mod-bg: var(--aether);
  --akx-mod-border: rgba(10,10,10,0.6);
}
[data-glass="dense"] .akx--paper {
  --akx-mod-bg: var(--cream);
  --akx-mod-border: var(--ink);
  --akx-mod-hover-shadow:
    0 1px 0 rgba(10,10,10,0.06), 0 24px 60px -20px rgba(74,33,104,0.40);
}