:root {
  --kaleido-ink: #f3fbff;
  --kaleido-muted: #a8bdd1;
  --kaleido-panel: rgba(6, 11, 22, 0.86);
  --kaleido-line: rgba(126, 220, 238, 0.34);
  --kaleido-cyan: #78f4e8;
  --kaleido-rose: #ff78ad;
  --kaleido-gold: #f5cf70;
  --kaleido-green: #99f28f;
}

body {
  color: var(--kaleido-ink);
}

.kaleido-shell {
  overflow: visible;
}

.kaleido-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.kaleido-title h2 {
  margin: 0;
  color: white;
  text-shadow: 0 0 18px rgba(120, 244, 232, 0.42), 0 0 28px rgba(255, 120, 173, 0.2);
}

.kaleido-kicker {
  margin: 0;
  color: var(--kaleido-gold);
  font-size: 0.98rem;
}

.kaleido-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}

.kaleido-stage {
  min-width: 0;
}

.canvas-wrap {
  width: 100%;
  min-width: 0;
}

#kaleidoscopeCanvas {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 2px solid var(--kaleido-line);
  border-radius: 8px;
  background: #050710;
  box-shadow:
    0 0 24px rgba(120, 244, 232, 0.22),
    0 0 34px rgba(245, 207, 112, 0.14);
}

.kaleido-readout {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.kaleido-readout div,
.kaleido-controls,
.math-note {
  border: 1px solid rgba(126, 220, 238, 0.28);
  border-radius: 8px;
  background: var(--kaleido-panel);
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.26);
}

.kaleido-readout div {
  min-width: 0;
  padding: 10px;
}

.readout-label {
  display: block;
  color: var(--kaleido-muted);
  font-size: 0.78rem;
}

.kaleido-readout span:last-child {
  display: block;
  margin-top: 4px;
  color: var(--kaleido-cyan);
  font-size: 0.94rem;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.kaleido-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 14px;
}

.control-group,
.slider-group {
  display: grid;
  gap: 6px;
}

.control-group label,
.slider-group label {
  color: var(--kaleido-muted);
  font-size: 0.86rem;
}

.slider-group label {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.control-group input,
.control-group select,
.slider-group input,
.kaleido-controls button {
  width: 100%;
  min-height: 40px;
  border: 1px solid rgba(120, 244, 232, 0.42);
  border-radius: 6px;
  background: rgba(2, 7, 16, 0.92);
  color: var(--kaleido-ink);
  font-family: "Dos", monospace;
  font-size: 0.94rem;
}

.control-group input,
.control-group select {
  padding: 8px 10px;
}

.slider-group input {
  min-height: auto;
  accent-color: var(--kaleido-rose);
}

.button-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.action-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.button-row,
.status-stack {
  grid-column: 1 / -1;
}

.kaleido-controls button {
  padding: 8px 10px;
  cursor: pointer;
  color: var(--kaleido-cyan);
  box-shadow: inset 0 0 12px rgba(120, 244, 232, 0.08);
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.kaleido-controls button:hover,
.kaleido-controls button:focus,
.control-group input:focus,
.control-group select:focus {
  outline: none;
  border-color: var(--kaleido-gold);
  color: white;
  box-shadow: 0 0 18px rgba(245, 207, 112, 0.22);
}

.kaleido-controls button:hover {
  transform: translateY(-1px);
}

.kaleido-controls button:disabled {
  color: var(--kaleido-muted);
  border-color: rgba(168, 189, 209, 0.28);
  cursor: default;
  transform: none;
}

.status-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid rgba(245, 207, 112, 0.48);
  border-radius: 6px;
  color: var(--kaleido-gold);
  background: rgba(245, 207, 112, 0.08);
  font-size: 0.78rem;
  line-height: 1.2;
}

.status-pill.good {
  color: var(--kaleido-green);
  border-color: rgba(153, 242, 143, 0.45);
  background: rgba(153, 242, 143, 0.08);
}

.status-pill.bad {
  color: #ff6f7e;
  border-color: rgba(255, 111, 126, 0.55);
  background: rgba(255, 111, 126, 0.09);
}

.math-note {
  margin-top: 16px;
  padding: 12px 14px;
  color: #d3e2ee;
  font-size: 0.95rem;
  line-height: 1.45;
}

.math-note p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .kaleido-controls button {
    transition: none;
  }
}

@media (min-width: 980px) {
  .kaleido-grid {
    grid-template-columns: minmax(0, 1fr) minmax(270px, 320px);
  }

  .kaleido-readout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .kaleido-readout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .action-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .kaleido-title {
    display: block;
  }

  .kaleido-title h2 {
    margin-top: 6px;
    font-size: 2rem;
  }

  .kaleido-readout,
  .kaleido-controls,
  .button-row,
  .action-row {
    grid-template-columns: 1fr;
  }

  .kaleido-controls {
    padding: 10px;
  }
}