/* ══════════════════════════════════════════════════════════════
   module.css — shared styles for all lab modules
   ══════════════════════════════════════════════════════════════ */

/* ── MOD-HEADER ── */
.mod-header { padding: 1.75rem 0 1.25rem; border-bottom: 1px solid var(--border); }
.mod-eyebrow {
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.625rem;
}

/* ── PROGRESS BAR ── */
.mod-progress {
  display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem;
}
.mod-progress-track {
  flex: 1; height: 3px; background: var(--border); position: relative; max-width: 180px;
}
.mod-progress-fill {
  height: 100%; background: var(--accent); transition: width 0.3s;
}
.mod-progress-dots {
  display: flex; gap: 4px;
}
.mod-progress-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--border); transition: background 0.2s;
}
.mod-progress-dot--done { background: var(--accent); }
.mod-progress-dot--current { background: var(--accent); box-shadow: 0 0 0 2px rgba(37,99,235,0.3); }
.mod-progress-label {
  font-size: 0.75rem; opacity: 0.5; white-space: nowrap;
}
.mod-title { display: none; }
.sandbox-heading { display: none; }
.sandbox-section { border-bottom: none !important; }
.sandbox-intro { display: none; }
.sandbox-bullets {
  list-style: none; padding: 0; margin: 0 0 1.5rem;
  font-size: 0.8125rem; line-height: 1.7; opacity: 0.62;
}
.sandbox-bullets li {
  padding-left: 1em; position: relative;
}
.sandbox-bullets li::before {
  content: '—'; position: absolute; left: 0; color: var(--accent); opacity: 0.7;
}
.mod-formula {
  font-size: 1.0625rem; font-weight: 600; color: var(--accent);
  opacity: 0.6; letter-spacing: -0.01em;
}
.mod-headline {
  display: flex; align-items: baseline; gap: 1.25rem; flex-wrap: wrap;
}
.mod-desc {
  font-size: 1rem; line-height: 1.8; opacity: 0.8; max-width: 60ch;
}

/* ── CONCEPT CARDS EYEBROW ── */
.concept-cards { border-top: 1px solid var(--border); }
.concept-cards-eyebrow {
  font-family: var(--font);
  font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 0.875rem;
}

/* ── CONCEPT-BAR ── */
.concept-bar {
  background: var(--bg-dark); padding: 1.375rem 0;
  border-bottom: 1px solid var(--border);
}
.concept-bar p {
  font-size: 0.875rem; line-height: 1.85; opacity: 0.8; max-width: 90ch;
}

/* ── WORKSPACE ── */
.workspace {
  display: grid; grid-template-columns: 260px 1fr;
  border-bottom: 1px solid var(--border); min-height: 460px;
}
.workspace--explainer {
  display: block; grid-template-columns: none; min-height: auto;
}

/* ── CTRL-PANEL ── */
.ctrl-panel {
  background: #161616; border-right: 1px solid #272727;
  padding: 24px; display: flex; flex-direction: column; gap: 1.375rem;
}
.ctrl-section { display: flex; flex-direction: column; gap: 0.5rem; }
.ctrl-label {
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent);
  padding-bottom: 0.375rem; border-bottom: 1px solid #272727;
  margin-bottom: 0.125rem;
}
.ctrl-row { display: flex; align-items: center; gap: 0.5rem; }
.ctrl-row label { font-size: 0.875rem; opacity: 0.78; flex-shrink: 0; min-width: 96px; }
.ctrl-input {
  font-family: var(--font); font-size: 0.8125rem;
  background: var(--bg); border: 1px solid #272727; color: var(--text);
  padding: 0.3rem 0.5rem; width: 100%; outline: none;
}
.ctrl-input:focus { border-color: var(--accent); }
.ctrl-input[type=range] { padding: 0; cursor: pointer; accent-color: var(--accent); }
.slider-val { font-size: 0.75rem; color: var(--accent); min-width: 48px; text-align: right; }
.ctrl-note { font-size: 0.8125rem; opacity: 0.65; line-height: 1.5; }
.ctrl-divider { border: none; border-top: 1px solid #272727; margin: 0; }

/* ── MODE TOGGLE ── */
.mode-toggle { display: flex; gap: 1px; background: #272727; }
.mode-btn {
  font-family: var(--font); font-size: 0.8125rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  background: #181818; border: none; color: var(--text); opacity: 0.55;
  padding: 0.375rem 0.75rem; cursor: pointer; flex: 1; transition: opacity 0.15s;
}
.mode-btn.active {
  background: #161616; opacity: 1; color: var(--accent);
  border-bottom: 2px solid var(--accent);
}

/* ── CANVAS AREA ── */
.canvas-area {
  padding: 20px; display: grid; grid-template-columns: 200px 1fr;
  gap: 16px; background: var(--bg); align-items: start;
}
.canvas-block { display: flex; flex-direction: column; gap: 5px; }
.canvas-block-label {
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; opacity: 0.6;
}
.canvas-block canvas { width: 100%; display: block; border: 1px solid var(--border); }

/* ── RESULTS-STRIP (grid of values — F-series, D-04) ── */
.results-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border);
}
.result-col { padding: 1.25rem 1.5rem; border-right: 1px solid var(--border); }
.result-col:last-child { border-right: none; }
.result-val {
  display: block; font-size: 1.3125rem; font-weight: 700;
  color: var(--accent); letter-spacing: -0.025em; margin-bottom: 0.2rem;
}
.result-lbl {
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; opacity: 0.65;
}

/* ── RESULTS-BAR (single-row summary — E-series) ── */
.results-bar {
  background: #0d0d0d; border-top: 1px solid #1a1a1a;
  padding: 12px 20px; display: grid;
  grid-template-columns: auto 1fr auto; align-items: center; gap: 24px;
}
.rb-sigma-wrap { display: flex; flex-direction: column; gap: 2px; }
.rb-sigma-label {
  font-size: 0.5rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: #2a2a2a;
}
.rb-sigma {
  font-size: 1.375rem; font-weight: 700; letter-spacing: -0.02em;
  color: var(--accent); transition: color 0.2s;
}
.rb-bar-wrap { display: flex; align-items: center; gap: 10px; }
.rb-bar { flex: 1; height: 4px; background: #151515; position: relative; overflow: visible; }
.rb-fill { height: 100%; max-width: 100%; transition: width 0.18s, background-color 0.18s; }
.rb-tick {
  position: absolute; right: 0; top: -5px; bottom: -5px;
  width: 1px; background: #282828;
}
.rb-tick::before {
  content: 'Fy'; position: absolute; bottom: 100%; right: 0;
  transform: translateX(50%); font-size: 0.4rem; color: #333;
  font-family: monospace; margin-bottom: 2px;
}
.rb-pct {
  font-size: 0.75rem; font-weight: 700; min-width: 44px;
  text-align: right; transition: color 0.2s;
}
.rb-verdict {
  font-size: 0.575rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; min-width: 120px; text-align: right;
}
.v-ok   { color: #28a077; }
.v-warn { color: #908030; }
.v-high { color: #c06020; }
.v-fail { color: #d03030; }

/* ── EQ-BOX (deprecated) ── */
.eq-box {
  background: #181818; border-bottom: 1px solid var(--border); padding: 1.5rem 0;
}
.eq-inner { display: flex; flex-direction: column; gap: 0.5rem; }

/* ── EQ-PANEL (current standard) ── */
.eq-panel {
  background: none !important;
  border: none !important;
  padding: 0 !important;
  max-width: none !important;
}
.eq-panel-wrap {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.eq-panel-eyebrow {
  font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 0.625rem;
}
.eq-detail { border: 1px solid var(--border); background: #141414; }
.eq-detail summary {
  padding: 0.875rem 1.125rem; cursor: default; list-style: none;
  transition: background 0.12s;
}
.eq-detail summary:hover { background: #181818; }
.eq-detail-more { cursor: pointer; }
.eq-detail summary::-webkit-details-marker { display: none; }
.eq-detail summary::marker { display: none; content: ''; }
.eq-detail-more {
  display: flex; align-items: center; gap: 0.5rem; margin-top: 0.625rem;
}
.eq-detail-chevron {
  width: 11px; height: 11px; flex-shrink: 0; opacity: 0.3;
  transition: transform 0.2s, opacity 0.15s;
}
.eq-detail[open] .eq-detail-chevron { transform: rotate(90deg); opacity: 0.6; }
.eq-detail-label {
  font-family: var(--font); font-size: 0.5625rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.3;
}
.eq-detail[open] .eq-detail-label { opacity: 0.5; }
.eq-detail-body {
  padding: 0 1.125rem 1rem;
  border-top: 1px solid var(--border);
}
.eq-line {
  font-size: 0.9375rem; line-height: 1.85; opacity: 0.82;
  font-family: var(--font); display: block; margin-bottom: 0.25rem;
}
.eq-row {
  font-size: 0.9375rem; line-height: 1.85; opacity: 0.82;
  font-family: var(--font); display: block; margin-bottom: 0.25rem;
}
.eq-line .hi, .eq-row .hi { color: var(--accent); font-weight: 600; opacity: 1; }
.eq-line .ok, .eq-row .ok { color: #34d399; font-weight: 600; }
.eq-line .bad, .eq-row .bad { color: #f87171; font-weight: 600; }
.eq-note {
  font-size: 0.8125rem; opacity: 0.55; line-height: 1.85;
  margin-bottom: 0.75rem; max-width: 65ch;
  border-left: 2px solid var(--accent); padding-left: 0.875rem;
}
.eq-vars { margin-bottom: 0; }
.eq-vars {
  list-style: none; padding: 0; margin: 0 0 1.25rem;
  display: flex; flex-direction: column; gap: 0.2rem;
  font-size: 0.8125rem; line-height: 1.7;
}
.eq-var {
  padding-left: 1.25em; position: relative; opacity: 0.72;
}
.eq-var::before {
  content: '\2014'; position: absolute; left: 0; color: var(--accent); opacity: 0.5;
}
.eq-var-term {
  font-family: var(--font); font-weight: 700; color: var(--accent);
  cursor: pointer; border-bottom: 1px dotted rgba(37,99,235,0.5);
  opacity: 1;
}
.eq-var-term:hover { opacity: 0.75; }
.eq-var-def { }
.eq-insight {
  font-size: 0.8125rem; color: var(--accent); opacity: 0.7;
  margin-top: 0.5rem; max-width: 65ch;
}
/* ── TERM POPUP ── */
.term-pop {
  display: none; position: fixed; z-index: 200;
  background: #1a1a1a; border: 1px solid var(--border);
  padding: 12px 16px; max-width: 280px; box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.term-pop.is-open { display: block; }
.term-pop-name {
  font-family: var(--font); font-size: 0.75rem; font-weight: 700;
  color: var(--accent); margin-bottom: 4px;
}
.term-pop-desc { font-size: 0.8125rem; line-height: 1.6; opacity: 0.7; margin-bottom: 8px; }
.term-pop-link {
  font-family: var(--font); font-size: 0.6875rem; font-weight: 600;
  color: var(--accent); opacity: 0.7; text-decoration: none;
}
.term-pop-link:hover { text-decoration: underline; }
}

/* ── TEST-SECTION ── */
.test-section {
  background: #0d0d0d; border-bottom: 1px solid var(--border); padding: 2.5rem 0;
}
.test-eyebrow {
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--yellow); margin-bottom: 0.5rem;
  display: block;
}
.test-title {
  font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.test-questions { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 1.5rem; }
.test-q {
  background: #141414; border: 1px solid var(--border); padding: 1.25rem;
  display: flex; flex-direction: column; gap: 0.75rem;
}
.test-q-text { font-size: 0.875rem; line-height: 1.7; opacity: 0.85; }
.test-q-options { display: flex; flex-direction: column; gap: 0.375rem; }
.test-q-option {
  display: flex; align-items: center; gap: 0.625rem; cursor: pointer;
  font-size: 0.875rem; opacity: 0.8; padding: 0.375rem 0.5rem;
  transition: opacity 0.1s;
}
.test-q-option:hover { opacity: 1; }
.test-q-option input[type="radio"] { accent-color: var(--accent); }
.test-submit {
  font-family: var(--font); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--accent); color: #fff; border: none;
  padding: 0.625rem 1.5rem; cursor: pointer; transition: opacity 0.15s;
}
.test-submit:hover { opacity: 0.85; }
.test-result {
  margin-top: 1rem; font-size: 0.8125rem; font-weight: 700;
  letter-spacing: 0.05em;
}
.test-result--pass { color: #34d399; }
.test-result--fail { color: #f87171; }

/* ── NEXT-BAR ── */
.next-bar {
  background: #181818; border-bottom: 1px solid var(--border); padding: 1.5rem 0;
}
.next-bar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.next-bar-text { font-size: 0.9375rem; opacity: 0.75; }
.btn-next {
  font-family: var(--font); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); text-decoration: none;
  padding: 0.5rem 1rem; border: 1px solid var(--accent);
  transition: background 0.15s;
}
.btn-next:hover { background: rgba(37, 99, 235, 0.1); }

/* ── FAV TOGGLE (in mod-header) ── */
.fav-toggle {
  font-family: var(--font); font-size: 0.8125rem;
  background: none; border: 1px solid var(--border); color: var(--text);
  opacity: 0.6; padding: 0.375rem 0.5rem; cursor: pointer;
  display: inline-flex; align-items: center;
  transition: opacity 0.15s, border-color 0.15s, color 0.15s;
}
.fav-toggle:hover { opacity: 0.7; }
.fav-toggle.active {
  opacity: 1; border-color: var(--yellow); color: var(--yellow);
}
.fav-toggle.active svg { fill: var(--yellow); }

/* ── TEST-MODE TOGGLE (in mod-header) ── */
.test-toggle {
  font-family: var(--font); font-size: 0.8125rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  background: none; border: 1px solid var(--border); color: var(--text);
  opacity: 0.6; padding: 0.375rem 0.75rem; cursor: pointer;
  display: inline-flex; align-items: center; gap: 0.375rem;
  transition: opacity 0.15s, border-color 0.15s;
}
.test-toggle:hover { opacity: 0.7; }
.test-toggle.active {
  opacity: 1; border-color: var(--yellow); color: var(--yellow);
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .workspace { grid-template-columns: 1fr; }
  .canvas-area { grid-template-columns: 1fr; }
  .results-strip { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .results-bar { grid-template-columns: auto 1fr; }
  .rb-verdict { display: none; }
}

/* ── MONO OVERRIDES (keep JetBrains Mono on technical elements) ── */
.mod-eyebrow,
.mic-number,
.sb-section-label,
.sb-lbl,
.sb-val,
.sb-result-val,
.sb-result-lbl,
.sb-result-sub,
.sb-result-status,
.sys-btn,
.eq-line,
.eq-row,
.eq-note,
.eq-insight,
.eq-panel-eyebrow,
.sandbox-eyebrow,
.mod-formula,
.test-eyebrow,
code {
  font-family: var(--font);
}