.kn-munsell-lab-shell {
  --kn-ml-panel: var(--kn-bg-panel, #1a1e25);
  --kn-ml-panel-2: var(--kn-bg-panel-soft, #222833);
  --kn-ml-text: var(--kn-text-main, #f7f3ea);
  --kn-ml-muted: var(--kn-text-muted, #c8c0b2);
  --kn-ml-line: var(--kn-border, rgba(255,255,255,0.12));
  --kn-ml-accent: var(--kn-accent, #e5bf5f);
}

.kn-munsell-lab-shell *,
.kn-munsell-lab-shell *::before,
.kn-munsell-lab-shell *::after {
  box-sizing: border-box;
}

.kn-ml-suite-header {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1rem;
  padding: 1rem 1.15rem;
}

.kn-ml-suite-kicker {
  color: var(--kn-ml-accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  line-height: 1.2;
  text-transform: uppercase;
}

.kn-ml-suite-header h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1.1;
}

.kn-ml-suite-header p {
  max-width: 76ch;
  margin: 0;
  line-height: 1.45;
}

.kn-munsell-lab-shell .kn-lab-header {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1rem;
  padding: 1rem 1.15rem;
}

.kn-munsell-lab-shell .kn-lab-suite-kicker,
.kn-munsell-lab-shell .kn-ml-suite-kicker {
  color: rgb(229, 191, 95);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  line-height: 1.2;
  text-transform: uppercase;
}

.kn-munsell-lab-shell .kn-lab-title {
  margin: 0;
  color: #f7f3ea;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  font-weight: 800;
  line-height: 1.1;
}

.kn-munsell-lab-shell .kn-lab-subtitle {
  max-width: 76ch;
  margin: 0;
  color: #c8c0b2;
  font-size: 0.95rem;
  line-height: 1.45;
}

.kn-munsell-lab {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  width: 100%;
  height: var(--kn-munsell-lab-height, 720px);
  min-height: 620px;
  overflow: hidden;
  border: 1px solid var(--kn-ml-line);
  border-radius: var(--kn-radius-md, 14px);
  background: #0f1012;
  color: var(--kn-ml-text);
  box-shadow: var(--kn-shadow-panel, 0 10px 28px rgba(0,0,0,0.22));
  font-family: inherit;
}

.kn-ml-stage {
  position: relative;
  min-width: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 45% 34%, rgba(255,255,255,0.1), transparent 38%),
    linear-gradient(180deg, #181a1d 0%, #0e0f11 100%);
}

.kn-ml-three-stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.kn-ml-three-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}

.kn-ml-three-stage canvas:active {
  cursor: grabbing;
}

.kn-ml-stage-badge,
.kn-ml-stage-help {
  position: absolute;
  z-index: 8;
  border: 1px solid var(--kn-ml-line);
  background: rgba(15,16,18,0.72);
  color: var(--kn-ml-text);
  backdrop-filter: blur(10px);
}

.kn-ml-stage-badge {
  top: 18px;
  left: 18px;
  padding: 9px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.kn-ml-stage-help {
  left: 18px;
  bottom: 18px;
  max-width: 440px;
  padding: 14px 16px;
  border-radius: var(--kn-radius-md, 14px);
  color: var(--kn-ml-muted);
  font-size: 13px;
  line-height: 1.45;
}

.kn-ml-stage-help strong {
  color: var(--kn-ml-text);
}

.kn-ml-control-panel {
  min-width: 0;
  overflow-y: auto;
  border-left: 1px solid var(--kn-ml-line);
  background: linear-gradient(180deg, var(--kn-ml-panel) 0%, #15161a 100%);
  padding: 20px;
  scrollbar-color: rgba(229,191,95,0.7) rgba(255,255,255,0.06);
  scrollbar-width: thin;
}

.kn-ml-panel-header {
  padding: 0.25rem 0 0.75rem;
}

.kn-ml-panel-header span {
  color: var(--kn-ml-text);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kn-ml-swatch-panel,
.kn-ml-slider-control,
.kn-ml-details {
  margin-bottom: 14px;
  border: 1px solid var(--kn-ml-line);
  border-radius: var(--kn-radius-md, 14px);
  background: rgba(255,255,255,0.035);
}

.kn-ml-swatch-panel {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px;
}

.kn-ml-current-swatch {
  width: 74px;
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 12px;
  background: #ba383f;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.12);
}

.kn-ml-swatch-panel strong,
.kn-ml-swatch-panel span {
  display: block;
}

.kn-ml-swatch-panel strong {
  margin-bottom: 0.25rem;
  color: var(--kn-ml-text);
  font-size: 0.95rem;
}

.kn-ml-swatch-panel span {
  color: var(--kn-ml-muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.kn-ml-analysis-panel,
.kn-ml-match-panel,
.kn-ml-mixing-panel,
.kn-ml-harmony-panel,
.kn-ml-control-group {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
  padding: 14px;
  border: 1px solid var(--kn-ml-line);
  border-radius: var(--kn-radius-md, 14px);
  background: rgba(255,255,255,0.035);
}

.kn-ml-analysis-panel header,
.kn-ml-match-panel header,
.kn-ml-mixing-panel header {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.kn-ml-analysis-panel header span,
.kn-ml-match-panel header span,
.kn-ml-mixing-panel header span,
.kn-ml-harmony-panel label,
.kn-ml-control-group label {
  color: var(--kn-ml-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kn-ml-analysis-panel header strong {
  color: var(--kn-ml-accent);
  font-size: 0.9rem;
}

.kn-ml-readout-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
}

.kn-ml-readout-grid div {
  min-width: 0;
  padding: 9px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  background: rgba(0,0,0,0.18);
}

.kn-ml-readout-grid dt {
  margin: 0 0 3px;
  color: var(--kn-ml-muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kn-ml-readout-grid dd {
  margin: 0;
  color: var(--kn-ml-text);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.kn-ml-match-panel select {
  min-width: 128px;
  border: 1px solid var(--kn-ml-line);
  border-radius: 999px;
  background: var(--kn-ml-panel-2);
  color: var(--kn-ml-text);
  padding: 7px 10px;
  font: inherit;
  font-size: 12px;
}

.kn-ml-match-list {
  display: grid;
  gap: 8px;
}

.kn-ml-match-item {
  width: 100%;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  appearance: none;
  padding: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  background: rgba(0,0,0,0.16);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.kn-ml-match-item:hover,
.kn-ml-match-item:focus-visible,
.kn-ml-match-item.is-active {
  border-color: rgba(255,193,69,0.72);
  background: rgba(255,193,69,0.09);
  outline: none;
}

.kn-ml-match-chip {
  width: 34px;
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 8px;
}

.kn-ml-match-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.kn-ml-match-copy strong {
  color: var(--kn-ml-text);
  font-size: 0.84rem;
  line-height: 1.2;
}

.kn-ml-match-copy span,
.kn-ml-match-copy em {
  color: var(--kn-ml-muted);
  font-size: 0.72rem;
  line-height: 1.25;
}

.kn-ml-match-copy em {
  color: var(--kn-ml-accent);
  font-style: normal;
  font-weight: 750;
}

.kn-ml-mixing-steps {
  display: grid;
  gap: 8px;
}

.kn-ml-mixing-step {
  display: grid;
  gap: 3px;
  padding: 9px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  background: rgba(0,0,0,0.16);
}

.kn-ml-mixing-step strong {
  color: var(--kn-ml-text);
  font-size: 0.82rem;
  line-height: 1.2;
}

.kn-ml-mixing-step span {
  color: var(--kn-ml-muted);
  font-size: 0.76rem;
  line-height: 1.35;
}

.kn-ml-control-group select,
.kn-ml-harmony-panel select {
  width: 100%;
  border: 1px solid var(--kn-ml-line);
  border-radius: 999px;
  background: var(--kn-ml-panel-2);
  color: var(--kn-ml-text);
  padding: 9px 12px;
  font: inherit;
  font-size: 13px;
}

.kn-ml-harmony-palette {
  display: grid;
  gap: 9px;
}

.kn-ml-harmony-title,
.kn-ml-harmony-empty {
  color: var(--kn-ml-muted);
  font-size: 12px;
  line-height: 1.35;
}

.kn-ml-harmony-title {
  font-weight: 750;
}

.kn-ml-harmony-swatches {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.kn-munsell-lab .kn-ml-harmony-swatch {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 8px;
  row-gap: 1px;
  align-items: center;
  min-height: 48px;
  padding: 7px;
  border-radius: 10px;
  text-align: left;
}

.kn-munsell-lab .kn-ml-harmony-swatch span {
  grid-row: 1 / 3;
  width: 28px;
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 7px;
}

.kn-munsell-lab .kn-ml-harmony-swatch strong,
.kn-munsell-lab .kn-ml-harmony-swatch em {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kn-munsell-lab .kn-ml-harmony-swatch strong {
  color: var(--kn-ml-text);
  font-size: 0.74rem;
  line-height: 1.15;
}

.kn-munsell-lab .kn-ml-harmony-swatch em {
  color: var(--kn-ml-muted);
  font-size: 0.66rem;
  font-style: normal;
  line-height: 1.15;
}

.kn-ml-slider-control {
  padding: 14px;
}

.kn-ml-slider-control label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  color: var(--kn-ml-muted);
  font-size: 13px;
}

.kn-ml-slider-control label span {
  color: var(--kn-ml-accent);
  font-weight: 800;
}

.kn-ml-slider-control input[type="range"] {
  width: 100%;
}

.kn-ml-details {
  padding: 0;
}

.kn-ml-detail-body {
  display: grid;
  gap: 12px;
  padding: 0 14px 14px;
}

.kn-ml-detail-body.kn-ml-match-panel,
.kn-ml-detail-body.kn-ml-mixing-panel,
.kn-ml-detail-body.kn-ml-harmony-panel,
.kn-ml-detail-body.kn-ml-control-group {
  margin-bottom: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.kn-ml-details summary {
  cursor: pointer;
  padding: 13px 14px;
  color: var(--kn-ml-text);
  font-weight: 650;
  list-style: none;
}

.kn-ml-details summary::-webkit-details-marker {
  display: none;
}

.kn-ml-details summary::after {
  content: "+";
  float: right;
  color: var(--kn-ml-accent);
}

.kn-ml-details[open] summary::after {
  content: "-";
}

.kn-ml-toggle {
  display: flex;
  gap: 9px;
  align-items: center;
  padding: 0 14px 13px;
  color: var(--kn-ml-muted);
  font-size: 14px;
}

.kn-ml-toggle input {
  accent-color: var(--kn-ml-accent);
}

.kn-ml-toggle.is-disabled {
  opacity: 0.48;
}

.kn-ml-toggle.is-disabled,
.kn-ml-toggle.is-disabled input {
  cursor: not-allowed;
}

.kn-ml-upload-row {
  display: grid;
  gap: 8px;
  padding: 0 14px 14px;
}

.kn-ml-upload-row label,
.kn-ml-upload-row span {
  color: var(--kn-ml-muted);
  font-size: 13px;
}

.kn-ml-upload-row input {
  width: 100%;
  min-width: 0;
  color: var(--kn-ml-muted);
}

.kn-ml-picker-note {
  display: block;
  line-height: 1.35;
}

.kn-ml-image-picker {
  position: relative;
  width: 100%;
  max-height: 520px;
  overflow: auto;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 10px;
  background: rgba(0,0,0,0.22);
}

.kn-ml-image-picker canvas {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
  cursor: crosshair;
}

.kn-ml-zoom-control {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.kn-ml-zoom-control span {
  color: var(--kn-ml-accent);
  font-weight: 800;
}

.kn-ml-picker-target {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid #ffffff;
  border-radius: 999px;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.78), 0 2px 8px rgba(0,0,0,0.35);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.kn-ml-export-toggle {
  display: flex;
  gap: 9px;
  align-items: center;
  color: var(--kn-ml-muted);
  font-size: 13px;
}

.kn-ml-export-toggle input {
  accent-color: var(--kn-ml-accent);
}

.kn-ml-picker-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.kn-ml-control-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 18px;
}

.kn-munsell-lab button {
  width: 100%;
  cursor: pointer;
  border: 1px solid var(--kn-ml-line);
  border-radius: 999px;
  background: var(--kn-ml-panel-2);
  color: var(--kn-ml-text);
  padding: 10px 12px;
  font: inherit;
  font-weight: 750;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.kn-munsell-lab button:hover,
.kn-munsell-lab button:focus-visible {
  transform: translateY(-1px);
  background: #30333a;
  border-color: var(--kn-border-strong, rgba(229,191,95,0.35));
  outline: none;
}
.kn-munsell-lab-shell.is-paid-mode .kn-ml-premium-lock {
  display: none;
}

.kn-ml-premium-lock {
  display: grid;
  gap: 8px;
  margin: 10px 0 12px;
  padding: 12px;
  border: 1px solid rgba(229, 191, 95, 0.34);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(229, 191, 95, 0.14), rgba(18, 19, 22, 0.92));
  color: var(--kn-ml-text);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
}

.kn-ml-premium-lock.is-highlighted,
.kn-ml-premium-lock:focus-visible {
  border-color: rgba(245, 207, 111, 0.84);
  box-shadow: 0 0 0 3px rgba(229, 191, 95, 0.16), inset 0 1px 0 rgba(255,255,255,0.1);
  outline: none;
}

.kn-ml-premium-lock strong {
  color: var(--kn-ml-accent);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kn-ml-premium-lock span {
  color: var(--kn-ml-muted);
  font-size: 13px;
  line-height: 1.45;
}

.kn-ml-premium-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.kn-ml-premium-button,
.kn-ml-login-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.kn-ml-premium-button {
  border: 1px solid rgba(245, 207, 111, 0.74);
  background: var(--kn-ml-accent);
  color: #151310;
}

.kn-ml-login-link {
  border: 1px solid var(--kn-ml-line);
  background: rgba(255,255,255,0.04);
  color: var(--kn-ml-text);
}

.kn-munsell-lab.is-free-mode .kn-ml-premium-section .kn-ml-detail-body,
.kn-munsell-lab.is-free-mode .kn-ml-premium-toggle {
  opacity: 0.58;
}

.kn-munsell-lab .kn-ml-is-locked,
.kn-munsell-lab .kn-ml-is-locked input,
.kn-munsell-lab .kn-ml-is-locked select,
.kn-munsell-lab select.kn-ml-is-locked,
.kn-munsell-lab input.kn-ml-is-locked,
.kn-munsell-lab button.kn-ml-is-locked {
  cursor: not-allowed;
}

.kn-munsell-lab.is-free-mode .kn-ml-is-locked {
  filter: grayscale(0.55);
}

.kn-munsell-lab.is-free-mode label.kn-ml-is-locked::after,
.kn-munsell-lab.is-free-mode button.kn-ml-is-locked::after {
  content: " \1F512";
  color: var(--kn-ml-accent);
  font-size: 0.82em;
  filter: none;
}

.kn-munsell-lab.is-free-mode select:disabled,
.kn-munsell-lab.is-free-mode input:disabled,
.kn-munsell-lab.is-free-mode button:disabled {
  opacity: 0.52;
}

@media (max-width: 980px) {
  .kn-munsell-lab {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
  }

  .kn-ml-stage {
    min-height: 62vh;
  }

  .kn-ml-control-panel {
    border-left: 0;
    border-top: 1px solid var(--kn-ml-line);
  }

}

@media (max-width: 560px) {
  .kn-munsell-lab {
    border-radius: 12px;
  }

  .kn-ml-control-panel {
    padding: 16px;
  }

  .kn-ml-control-row {
    grid-template-columns: 1fr;
  }

  .kn-ml-readout-grid {
    grid-template-columns: 1fr;
  }
}