:root {
  color-scheme: dark;
  --bg: #070809;
  --panel: rgba(14, 16, 18, .82);
  --panel-border: rgba(255,255,255,.11);
  --text: rgba(249,249,247,.96);
  --muted: rgba(225,227,230,.48);
  --form: #e7ddc6;
  --x: #ff6b6b;
  --y: #62d48b;
  --z: #6ca8ff;
  --w: #f0c45c;
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; }
body {
  background:
    radial-gradient(circle at 46% 43%, rgba(67,76,92,.12), transparent 35%),
    linear-gradient(#0a0c0f, var(--bg));
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
button { color: inherit; }

#solidLayer,
#mandala {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

#solidLayer {
  z-index: 0;
  pointer-events: none;
}

#mandala {
  z-index: 1;
  cursor: grab;
  touch-action: none;
}

#mandala:active { cursor: grabbing; }

.brand {
  position: fixed;
  top: max(21px, env(safe-area-inset-top));
  left: max(23px, env(safe-area-inset-left));
  z-index: 4;
  pointer-events: none;
}
.brand__name { font-size: 16px; font-weight: 680; letter-spacing: .055em; }
.brand__tagline {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .13em;
}

.dimension-readout {
  position: fixed;
  top: max(21px, env(safe-area-inset-top));
  left: 50%;
  z-index: 4;
  transform: translateX(-50%);
  display: flex;
  align-items: baseline;
  gap: 10px;
  pointer-events: none;
}
.dimension-readout strong { font-size: 24px; font-weight: 520; }
.dimension-readout span {
  color: var(--muted);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.dimension-switcher {
  position: fixed;
  left: 50%;
  bottom: max(22px, env(safe-area-inset-bottom));
  z-index: 6;
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: repeat(3, minmax(64px, 86px));
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--panel-border);
  border-radius: 15px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.dimension-switcher button,
.segmented button {
  min-height: 38px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: rgba(238,239,242,.46);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, opacity 160ms ease;
}
.dimension-switcher button:hover,
.segmented button:hover { color: var(--text); }
.dimension-switcher button.is-active,
.segmented button.is-active {
  background: rgba(255,255,255,.095);
  color: var(--text);
}
.segmented button.is-target {
  background: rgba(255,255,255,.055);
  color: var(--text);
}
.dimension-switcher button.is-target { color: var(--text); background: rgba(255,255,255,.055); }
.dimension-switcher button:disabled { cursor: default; opacity: .55; }

.control-panel {
  position: fixed;
  top: 20px;
  right: max(18px, env(safe-area-inset-right));
  z-index: 5;
  width: min(292px, calc(100vw - 36px));
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 13px 14px 14px;
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  background: var(--panel);
  backdrop-filter: blur(20px) saturate(120%);
  -webkit-backdrop-filter: blur(20px) saturate(120%);
  scrollbar-width: thin;
}
.control-panel__title,
.control-section__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.control-panel__title {
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.control-panel__title button {
  border: 0;
  padding: 2px 0;
  background: transparent;
  color: var(--muted);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .08em;
  cursor: pointer;
}
.control-panel__title button:hover { color: var(--text); }

.control-section {
  padding-top: 11px;
  margin-top: 10px;
  border-top: 1px solid rgba(255,255,255,.075);
}
.control-section__label {
  color: rgba(238,239,242,.63);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.control-section__note {
  color: rgba(238,239,242,.3);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  margin-top: 7px;
  padding: 3px;
  border-radius: 10px;
  background: rgba(255,255,255,.04);
}
.segmented button { min-height: 31px; font-size: 9px; }

.control-rows { display: grid; gap: 7px; margin-top: 8px; }
.control-row {
  --axis-color: var(--form);
  display: grid;
  grid-template-columns: 27px 1fr 38px 27px;
  gap: 6px;
  align-items: center;
  min-height: 26px;
  transition: opacity 180ms ease;
}
.control-row.is-disabled { opacity: .28; }
.control-row__label {
  color: var(--axis-color);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .02em;
  text-align: left;
}
.control-row__value {
  color: rgba(232,234,238,.43);
  font-size: 8px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.control-row input[type="range"] {
  width: 100%;
  height: 18px;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
}
.control-row input[type="range"]:disabled { cursor: not-allowed; }
.control-row input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  border-radius: 99px;
  background: rgba(255,255,255,.16);
}
.control-row input[type="range"]::-moz-range-track {
  height: 2px;
  border-radius: 99px;
  background: rgba(255,255,255,.16);
}
.control-row input[type="range"]::-webkit-slider-thumb {
  width: 10px;
  height: 10px;
  margin-top: -4px;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid rgba(255,255,255,.92);
  border-radius: 50%;
  background: var(--axis-color);
  cursor: pointer;
}
.control-row input[type="range"]::-moz-range-thumb {
  width: 9px;
  height: 9px;
  border: 1px solid rgba(255,255,255,.92);
  border-radius: 50%;
  background: var(--axis-color);
  cursor: pointer;
}
.auto-toggle {
  width: 24px;
  height: 20px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 7px;
  background: rgba(255,255,255,.035);
  color: rgba(255,255,255,.32);
  font-size: 8px;
  cursor: pointer;
}
.auto-toggle[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--axis-color) 55%, transparent);
  background: color-mix(in srgb, var(--axis-color) 16%, transparent);
  color: var(--axis-color);
}
.scale-section .control-row { grid-template-columns: 27px 1fr 44px; }
.scale-section .control-row .auto-toggle { display: none; }

.basis-gizmo {
  position: fixed;
  right: 24px;
  bottom: 22px;
  z-index: 3;
  width: 118px;
  text-align: center;
  pointer-events: none;
}
.basis-gizmo canvas {
  width: 118px;
  height: 118px;
  display: block;
  opacity: .9;
}
.basis-gizmo span {
  display: block;
  margin-top: -5px;
  color: rgba(225,227,230,.34);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.hint {
  position: fixed;
  left: 50%;
  bottom: 78px;
  z-index: 3;
  transform: translateX(-50%);
  color: rgba(225,227,230,.36);
  font-size: 9px;
  letter-spacing: .045em;
  white-space: nowrap;
  pointer-events: none;
  transition: opacity 350ms ease;
}
.hint.is-hidden { opacity: 0; }

.source {
  position: fixed;
  left: max(22px, env(safe-area-inset-left));
  bottom: max(28px, env(safe-area-inset-bottom));
  z-index: 4;
  color: rgba(225,227,230,.3);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .1em;
  text-decoration: none;
}
.source:hover { color: rgba(245,246,248,.78); }

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid rgba(222,229,242,.92);
  outline-offset: 3px;
}

.noscript {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
}

@media (max-width: 960px) {
  .control-panel {
    top: auto;
    right: 12px;
    bottom: 82px;
    width: min(276px, calc(100vw - 24px));
    max-height: min(54vh, 470px);
  }
  .basis-gizmo { display: none; }
  .source { bottom: 95px; }
  .hint { display: none; }
}

@media (max-width: 600px) {
  .brand { top: 16px; left: 16px; }
  .brand__tagline { display: none; }
  .dimension-readout {
    top: 15px;
    left: auto;
    right: 16px;
    transform: none;
  }
  .dimension-readout span { display: none; }
  .control-panel {
    right: 8px;
    bottom: 76px;
    width: calc(100vw - 16px);
    max-height: 43vh;
  }
  .dimension-switcher {
    bottom: 12px;
    width: calc(100vw - 16px);
    grid-template-columns: repeat(3, 1fr);
  }
  .source { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}


.preset-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  margin-top: 7px;
}
.preset-grid button {
  min-height: 31px;
  padding: 0 10px;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 9px;
  background: rgba(255,255,255,.025);
  color: rgba(238,239,242,.46);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .045em;
  text-align: left;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}
.preset-grid button:hover {
  color: var(--text);
  border-color: rgba(255,255,255,.12);
}
.preset-grid button.is-active {
  color: var(--text);
  background: rgba(255,255,255,.085);
  border-color: rgba(255,255,255,.13);
}
.complexity-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.complexity-row > span {
  color: rgba(238,239,242,.36);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.complexity-row .segmented {
  margin-top: 0;
}


.segmented--three {
  grid-template-columns: repeat(3, 1fr);
}
.segmented--three button {
  font-size: 8px;
  letter-spacing: .025em;
}

.mandala-dock {
  position: fixed;
  left: max(18px, env(safe-area-inset-left));
  bottom: 62px;
  z-index: 5;
  width: min(540px, calc(100vw - 36px));
  padding: 10px;
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  background: rgba(12,14,17,.78);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  transition: width 180ms ease, padding 180ms ease;
}
.mandala-dock__preview {
  display: grid;
  place-items: center;
  align-content: center;
  min-width: 0;
}
.mandala-dock__preview canvas {
  width: 94px;
  height: 94px;
  display: block;
  opacity: .94;
}
.mandala-dock__preview span {
  margin-top: -2px;
  color: rgba(225,227,230,.32);
  font-size: 7px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.mandala-dock__controls {
  min-width: 0;
}
.mandala-dock__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.mandala-dock__title {
  margin: 0;
  color: rgba(245,246,248,.82);
  font-size: 10px;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.mandala-dock__toggle {
  width: 28px;
  min-width: 28px;
  height: 24px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 8px;
  background: rgba(255,255,255,.035);
  color: rgba(245,246,248,.72);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: transform 160ms ease, background 160ms ease;
}
.mandala-dock__toggle:hover {
  background: rgba(255,255,255,.08);
}
.mandala-dock__body {
  margin-top: 9px;
}
.mandala-dock.is-collapsed {
  width: auto;
  min-width: 160px;
  padding: 8px 10px;
}
.mandala-dock.is-collapsed .mandala-dock__body {
  display: none;
}
.mandala-dock.is-collapsed .mandala-dock__toggle {
  transform: rotate(90deg);
}
.preset-grid--dock {
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-top: 0;
}
.preset-grid--dock button {
  min-height: 29px;
  padding: 0 6px;
  text-align: center;
  font-size: 8px;
}
.dock-option {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 7px;
  align-items: center;
  margin-top: 7px;
}
.dock-option > span {
  color: rgba(238,239,242,.34);
  font-size: 7px;
  text-transform: uppercase;
  letter-spacing: .075em;
}
.dock-option .segmented {
  margin-top: 0;
}
.dock-option .segmented button {
  min-height: 27px;
  font-size: 8px;
}

@media (max-width: 960px) {
  .mandala-dock {
    left: 12px;
    bottom: 82px;
    width: min(500px, calc(100vw - 300px));
  }
  .mandala-dock__preview canvas {
    width: 80px;
    height: 80px;
  }
}

@media (max-width: 760px) {
  .mandala-dock {
    left: 8px;
    right: 8px;
    bottom: 50vh;
    width: auto;
  }
}

@media (max-width: 600px) {
  .mandala-dock {
    left: 8px;
    right: 8px;
    bottom: calc(43vh + 84px);
    width: auto;
    padding: 8px;
  }
  .mandala-dock__preview canvas {
    width: 66px;
    height: 66px;
  }
  .dock-option {
    grid-template-columns: 54px 1fr;
    gap: 5px;
    margin-top: 5px;
  }
}


.symmetry-status {
  margin-top: 7px;
  color: rgba(225,227,230,.30);
  font-size: 7px;
  letter-spacing: .04em;
}
.symmetry-status.is-ok { color: rgba(128,220,164,.55); }
.symmetry-status.is-directional { color: rgba(240,196,92,.50); }
.symmetry-status.is-warning { color: rgba(255,107,107,.62); }


/* persistent mandala library */
.mandala-dock {
  grid-template-columns: 1fr;
  width: min(390px, calc(100vw - 36px));
  gap: 8px;
}
.mandala-library {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}
.mandala-card {
  display: grid;
  grid-template-rows: 74px auto;
  align-items: center;
  justify-items: center;
  min-width: 0;
  padding: 5px 5px 6px;
  border: 1px solid rgba(255,255,255,.065);
  border-radius: 11px;
  background: rgba(255,255,255,.022);
  color: rgba(238,239,242,.48);
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}
.mandala-card:hover {
  color: var(--text);
  border-color: rgba(255,255,255,.13);
  transform: translateY(-1px);
}
.mandala-card.is-active {
  color: var(--text);
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.15);
}
.mandala-card canvas {
  width: 72px;
  height: 72px;
  display: block;
  justify-self: center;
  align-self: center;
  margin: 0 auto;
  opacity: .9;
}
.mandala-card span {
  margin-top: 2px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .05em;
}
.mandala-dock__options {
  display: grid;
  gap: 2px;
}
.symmetry-status { display: none !important; }

@media (max-width: 960px) {
  .mandala-dock {
    width: min(500px, calc(100vw - 300px));
  }
}
@media (max-width: 600px) {
  .mandala-library {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
  }
  .mandala-card {
    grid-template-rows: 52px auto;
    padding: 4px;
  }
  .mandala-card canvas {
    width: 50px;
    height: 50px;
  }
}