/* Energy & work interactive lab */

.ework-lab {
  --lab-accent: var(--chip-physics);
  --lab-2: #5ba8b0;
  --lab-muted: var(--color-text-muted);
  max-width: 920px;
  font-family: var(--font-body);
}

/* ── header ─────────────────────────────────────── */

.ework-lab__header { margin-bottom: var(--space-6); }

.ework-lab__eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lab-accent);
  margin-bottom: var(--space-2);
}

.ework-lab__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: var(--space-3);
}

.ework-lab__intro {
  font-size: var(--text-sm);
  color: var(--lab-muted);
  line-height: 1.65;
  max-width: 62ch;
}

/* ── tabs ───────────────────────────────────────── */

.ework-lab__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.ework-lab__tab {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: oklch(from var(--color-text) l c h / 0.04);
  color: var(--lab-muted);
  cursor: pointer;
  transition: background var(--transition-interactive),
    color var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.ework-lab__tab:hover {
  color: var(--color-text);
  border-color: oklch(from var(--lab-accent) l c h / 0.45);
}

.ework-lab__tab[aria-selected="true"] {
  color: var(--color-bg);
  background: linear-gradient(125deg, oklch(from var(--lab-accent) l c h / 0.88), var(--lab-2));
  border-color: transparent;
  box-shadow: 0 0 18px oklch(from var(--lab-accent) l c h / 0.2);
}

.ework-lab__tab:focus-visible {
  outline: 2px solid var(--lab-accent);
  outline-offset: 2px;
}

/* ── panels ─────────────────────────────────────── */

.ework-lab__panel {
  display: none;
  animation: ework-lab-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.ework-lab__panel.is-active { display: block; }

@keyframes ework-lab-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .ework-lab__panel { animation: none; }
}

/* ── section label ──────────────────────────────── */

.ework-lab__section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

/* ── canvas ─────────────────────────────────────── */

.ework-lab__canvas-wrap {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-divider);
  overflow: hidden;
  margin-bottom: var(--space-4);
  background: #0d1117;
}

.ework-lab__canvas {
  display: block;
  width: 100%;
  height: auto;
  min-height: 200px;
}

.ework-lab__canvas--wide {
  min-height: 260px;
}

/* ── controls / ma-panel ────────────────────────── */

.ework-lab__ma-panel {
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-divider);
  background: oklch(from var(--color-text) l c h / 0.03);
  margin-bottom: var(--space-4);
}

.ework-lab__ma-panel label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  display: block;
  margin-top: var(--space-3);
  margin-bottom: var(--space-2);
}

.ework-lab__ma-panel label:first-of-type { margin-top: 0; }

.ework-lab__slider {
  width: 100%;
  max-width: 22rem;
}

.ework-lab__slider--sm {
  max-width: 6rem;
}

.ework-lab__ma-readout {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  color: var(--color-text);
}

.ework-lab__ma-readout strong { color: var(--lab-accent); }

/* ── work value colours ─────────────────────────── */

.ework-lab__wval--pos  { color: #4caf50; }
.ework-lab__wval--neg  { color: #e05252; }
.ework-lab__wval--zero { color: #ffd700; }

/* ── prompt box ─────────────────────────────────── */

.ework-lab__prompt-box {
  font-size: var(--text-sm);
  line-height: 1.55;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
  background: oklch(from var(--lab-2) l c h / 0.08);
  margin-bottom: var(--space-5);
}

/* ── energy bar grid (tab 3) ────────────────────── */

.ework-lab__energy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.ework-lab__energy-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.ework-lab__energy-bar-wrap {
  width: 100%;
  max-width: 4rem;
  height: 140px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
  background: oklch(from var(--color-text) l c h / 0.03);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.ework-lab__energy-bar-wrap--ok {
  border-color: #4caf50;
  box-shadow: 0 0 8px rgba(76, 175, 80, 0.25);
}

.ework-lab__energy-bar-wrap--no {
  border-color: #e05252;
  box-shadow: 0 0 8px rgba(224, 82, 82, 0.25);
}

.ework-lab__energy-bar {
  width: 100%;
  height: 0;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  transition: height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.ework-lab__energy-lbl {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── check label ────────────────────────────────── */

.ework-lab__check-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--lab-muted);
  margin-bottom: var(--space-3);
  cursor: pointer;
}

.ework-lab__check-label input[type="checkbox"] {
  accent-color: var(--lab-accent);
  width: 1rem;
  height: 1rem;
}

/* ── buttons ────────────────────────────────────── */

.ework-lab__btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.ework-lab__btn {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

.ework-lab__btn--primary {
  background: oklch(from var(--lab-accent) l c h / 0.18);
  border-color: var(--lab-accent);
}

.ework-lab__btn:focus-visible {
  outline: 2px solid var(--lab-accent);
  outline-offset: 2px;
}

/* ── feedback ───────────────────────────────────── */

.ework-lab__feedback {
  font-size: var(--text-sm);
  color: var(--lab-muted);
  line-height: 1.55;
  min-height: 2.5rem;
  margin-bottom: var(--space-3);
}

.ework-lab__feedback--ok { color: #4caf50; }
.ework-lab__feedback--no { color: #e07070; }

/* ── score ──────────────────────────────────────── */

.ework-lab__score {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--lab-muted);
}

.ework-lab__score strong { color: var(--lab-accent); }

/* ── fine print ─────────────────────────────────── */

.ework-lab__fine {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-6);
  line-height: 1.5;
  max-width: 68ch;
}