/* ──────────────────────────────────────────────────────────────
   Lab Tools — calculator + research-tool suite styles.
   Used on /reconstitution-calculator.html (consolidated tab UI).
   Cluster 11 (items 391-405, 397, 398, 400, 403).
   ────────────────────────────────────────────────────────────── */

/* Tab bar */
.lab-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-2);
  margin: 0 auto var(--space-5);
  max-width: 920px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.lab-tabs__btn {
  flex: 1 1 auto;
  padding: 10px 14px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.lab-tabs__btn:hover {
  color: var(--color-text);
  background: var(--color-surface);
}
.lab-tabs__btn[aria-selected="true"] {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.lab-tabs__btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Tool panels */
.lab-tool { display: none; }
.lab-tool[data-active="true"] { display: block; }

/* Reuse calc-card for each tool */
.tool-card {
  max-width: 760px;
  margin-inline: auto;
  padding: var(--space-6);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.tool-card + .tool-card { margin-top: var(--space-4); }

/* Field validation states */
.calc-input-group.is-error {
  border-color: var(--color-danger, #e53935);
  background: color-mix(in srgb, var(--color-danger, #e53935) 6%, transparent);
}
.calc-input-group.is-error::after {
  content: "!";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin: auto var(--space-3) auto 0;
  background: var(--color-danger, #e53935);
  color: #fff;
  border-radius: 50%;
  font-weight: var(--weight-bold);
  font-size: 13px;
  flex: 0 0 auto;
}
.calc-error-msg {
  display: none;
  margin-top: var(--space-2);
  color: var(--color-danger, #e53935);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
}
.calc-field.is-error .calc-error-msg { display: block; }

/* Toolbar above output: unit toggle + presets + actions */
.calc-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.unit-toggle {
  display: inline-flex;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.unit-toggle__btn {
  padding: 8px 14px;
  background: transparent;
  border: 0;
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.unit-toggle__btn[aria-pressed="true"] {
  background: var(--color-bg-elevated);
  color: var(--color-text);
}
.unit-toggle__btn:hover { color: var(--color-text); }
.unit-toggle__btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

/* Action buttons (copy, print, share, restore) */
.calc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.calc-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.calc-action:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.calc-action:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.calc-action svg {
  width: 14px; height: 14px;
}

/* Toast (copied / shared / saved) */
/* Bottom-center toast — gecoordineerd met .acct-toast / #togo-anchor-toast /
   .togo-toast-stack via :has()-rules in togo-floater-stack.css.
   `transition: bottom` is toegevoegd zodat verticale push vloeiend tweent. */
.lab-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  padding: 12px 20px;
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast, 700);
  pointer-events: none;
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-base) var(--ease-out),
              bottom 200ms cubic-bezier(0.22, 1, 0.36, 1);
  opacity: 0;
}
.lab-toast.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Compound preset dropdown */
.preset-row {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.preset-row label {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.preset-select {
  padding: 12px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.preset-select:focus { border-color: var(--color-border-strong); outline: none; }

/* History dropdown */
.calc-history {
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.calc-history__summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 14px;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.calc-history__summary::-webkit-details-marker { display: none; }
.calc-history__summary::before {
  content: "▸ ";
  display: inline-block;
  margin-right: 4px;
  transition: transform var(--dur-fast) var(--ease-out);
}
.calc-history[open] .calc-history__summary::before { transform: rotate(90deg); }
.calc-history__list {
  list-style: none;
  margin: 0;
  padding: 0 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.calc-history__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  font-variant-numeric: tabular-nums;
}
.calc-history__item:hover {
  border-color: var(--color-border-strong);
}
.calc-history__time {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}
.calc-history__empty {
  padding: 0 14px 10px;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

/* MW field (conditional) */
.calc-field--conditional { display: none; }
.calc-field--conditional[data-show="true"] { display: block; }

/* Result table for tools that show 1+ row results */
.result-table {
  width: 100%;
  margin-top: var(--space-4);
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}
.result-table th, .result-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.result-table th {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.result-table td {
  color: var(--color-text);
  font-size: var(--text-base);
}
.result-table .result-table__best {
  color: var(--color-accent);
  font-weight: var(--weight-bold);
}
.result-table .result-table__best::after {
  content: " best";
  font-size: var(--text-2xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-left: 4px;
}

/* Cost-per-mg horizontal bar chart */
.bar-chart {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.bar-row {
  display: grid;
  grid-template-columns: 80px 1fr 90px;
  gap: var(--space-3);
  align-items: center;
  font-variant-numeric: tabular-nums;
}
.bar-row__label {
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}
.bar-row__track {
  height: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 7px;
  overflow: hidden;
}
.bar-row__fill {
  display: block;
  height: 100%;
  background: var(--color-text-muted);
  transition: width var(--dur-base) var(--ease-out);
}
.bar-row.is-best .bar-row__fill { background: var(--color-accent); }
.bar-row__value {
  text-align: right;
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: var(--weight-semibold);
}
.bar-row.is-best .bar-row__value { color: var(--color-accent); }

/* MW lookup typeahead */
.typeahead-wrap { position: relative; }
.typeahead-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  max-height: 280px;
  overflow-y: auto;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  list-style: none;
  margin: 0;
  padding: 0;
  z-index: 50;
  display: none;
}
.typeahead-list[data-open="true"] { display: block; }
.typeahead-list li {
  padding: 10px 14px;
  cursor: pointer;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.typeahead-list li:last-child { border-bottom: 0; }
.typeahead-list li:hover,
.typeahead-list li[aria-selected="true"] {
  background: var(--color-surface);
}
.typeahead-list .ta-meta {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}
.lookup-detail {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.lookup-detail dt {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: var(--space-2);
}
.lookup-detail dt:first-child { margin-top: 0; }
.lookup-detail dd {
  margin: 4px 0 0;
  color: var(--color-text);
  font-size: var(--text-base);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}
.lookup-detail dd code {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: var(--text-sm);
  background: var(--color-bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Sequence textarea */
.seq-textarea {
  width: 100%;
  min-height: 100px;
  padding: 12px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: var(--text-base);
  letter-spacing: 0.05em;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.seq-textarea:focus { border-color: var(--color-border-strong); }

/* Half-life chart (SVG) */
.half-life-chart {
  width: 100%;
  height: 220px;
  margin-top: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.half-life-chart .axis { stroke: var(--color-border-strong); stroke-width: 1; }
.half-life-chart .grid { stroke: var(--color-border); stroke-width: 0.5; stroke-dasharray: 2 3; }
.half-life-chart .curve { fill: none; stroke: var(--color-accent); stroke-width: 2; }
.half-life-chart .area { fill: var(--color-accent); fill-opacity: 0.12; }
.half-life-chart .axis-label { fill: var(--color-text-muted); font-size: 10px; }

/* Storage countdown */
.storage-countdown {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.storage-stat {
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}
.storage-stat__value {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}
.storage-stat__value.is-warn { color: var(--color-warning, #f59e0b); }
.storage-stat__value.is-danger { color: var(--color-danger, #e53935); }
.storage-stat__label {
  margin: 4px 0 0;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Print mode */
@media print {
  .site-header,
  .site-footer,
  .trust-bar,
  .lab-tabs,
  .calc-toolbar,
  .calc-history,
  .preset-row,
  .calc-actions,
  .section--surface .grid,
  .section:last-of-type {
    display: none !important;
  }
  body { background: #fff !important; color: #000 !important; }
  .tool-card,
  .calc-card {
    border: 1px solid #888 !important;
    background: #fff !important;
    box-shadow: none !important;
    page-break-inside: avoid;
  }
  .calc-output__value { color: #000 !important; }
  .lab-tool { display: none !important; }
  .lab-tool[data-active="true"] { display: block !important; }
  /* Watermark */
  body::after {
    content: "togopeptide.com · research-use only · printed on " attr(data-print-date);
    display: block;
    text-align: center;
    margin-top: 24px;
    font-size: 10px;
    color: #888;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
}