/* Lab Activities — built on the Labs tokens. Everything runs in the visitor's browser; nothing is stored or sent. */
.lab-shell { display: grid; gap: var(--ml-space-4); }
.lab-card { background: var(--ml-surface-1); border: 1px solid var(--ml-line); border-radius: var(--ml-radius-lg); padding: var(--ml-space-4); }
.lab-card h3 { margin: 0 0 var(--ml-space-2); }
.lab-meta { font-family: var(--ml-font-data); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--ml-text-subtle); }
.lab-privacy { font-family: var(--ml-font-data); font-size: 12px; color: var(--ml-text-subtle); border-left: 2px solid var(--ml-secondary); padding-left: var(--ml-space-2); }
.lab-chips { display: flex; flex-wrap: wrap; gap: var(--ml-space-2); margin-top: var(--ml-space-3); }
.lab-chip { font: 500 13px/1 var(--ml-font-brand); color: var(--ml-text); background: var(--ml-surface-2); border: 1px solid var(--ml-line-strong); border-radius: var(--ml-radius-pill); padding: 9px 14px; cursor: pointer; transition: border-color var(--ml-duration-micro) var(--ml-ease), background var(--ml-duration-micro) var(--ml-ease); }
.lab-chip:hover { border-color: var(--ml-primary); }
.lab-chip:focus-visible, .lab-seg button:focus-visible, .lab-toggle input:focus-visible + span { outline: 2px solid var(--ml-primary); outline-offset: 2px; }
.lab-chip[aria-pressed="true"] { background: var(--ml-primary-dim); border-color: var(--ml-primary); }
.lab-chip.is-right { border-color: var(--ml-secondary); background: var(--ml-secondary-dim); }
.lab-chip.is-wrong { border-color: var(--ml-danger); background: var(--ml-danger-dim); }
.lab-chip:disabled { cursor: default; opacity: .9; }
.lab-evidence { margin-top: var(--ml-space-2); font-size: 14px; color: var(--ml-text-muted); }
.lab-evidence strong { color: var(--ml-text); font-weight: 500; }
.lab-feedback { margin-top: var(--ml-space-3); padding: var(--ml-space-3); border-radius: var(--ml-radius-md); background: var(--ml-surface-2); border: 1px solid var(--ml-line); font-size: 15px; line-height: 1.55; }
.lab-feedback.is-rule { border-color: var(--ml-warning); background: var(--ml-warning-dim); }
.lab-progress { display: flex; gap: 6px; }
.lab-progress span { flex: 1; height: 4px; border-radius: 2px; background: var(--ml-line); }
.lab-progress span.is-done { background: var(--ml-primary); }
.lab-actions { display: flex; flex-wrap: wrap; gap: var(--ml-space-2); margin-top: var(--ml-space-3); }
.lab-grid-2 { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: var(--ml-space-4); align-items: start; }
@media (max-width: 900px) { .lab-grid-2 { grid-template-columns: 1fr; } }
.lab-lens { display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; padding: var(--ml-space-2) 0; border-bottom: 1px solid var(--ml-line); }
.lab-lens:last-child { border-bottom: 0; }
.lab-lens-name { font-weight: 500; }
.lab-lens-note { font-size: 13px; color: var(--ml-text-subtle); }
.lab-seg { display: flex; flex-wrap: wrap; gap: 4px; }
.lab-seg button { font: 500 12px/1 var(--ml-font-data); color: var(--ml-text-muted); background: var(--ml-surface-2); border: 1px solid var(--ml-line); border-radius: var(--ml-radius-sm); padding: 7px 9px; cursor: pointer; }
.lab-seg button[aria-pressed="true"] { color: var(--ml-text); border-color: var(--ml-primary); background: var(--ml-primary-dim); }
.lab-seg button[data-dir="FOR"][aria-pressed="true"] { border-color: var(--ml-secondary); background: var(--ml-secondary-dim); }
.lab-seg button[data-dir="AGAINST"][aria-pressed="true"] { border-color: var(--ml-danger); background: var(--ml-danger-dim); }
.lab-toggle { display: flex; gap: var(--ml-space-2); align-items: flex-start; padding: 6px 0; cursor: pointer; font-size: 14px; color: var(--ml-text-muted); }
.lab-toggle input { margin-top: 3px; accent-color: var(--ml-primary); }
.lab-verdict { position: sticky; top: 88px; }
.lab-verdict-value { font: 700 22px/1.2 var(--ml-font-brand); color: var(--ml-primary); margin: var(--ml-space-2) 0; word-break: break-word; }
.lab-rule { font-family: var(--ml-font-data); font-size: 12px; color: var(--ml-accent); }
.lab-tally { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--ml-space-2); margin-top: var(--ml-space-3); }
.lab-tally div { background: var(--ml-surface-2); border: 1px solid var(--ml-line); border-radius: var(--ml-radius-md); padding: var(--ml-space-2); text-align: center; }
.lab-tally b { display: block; font: 700 22px/1 var(--ml-font-data); }
.lab-tally small { font-size: 11px; color: var(--ml-text-subtle); text-transform: uppercase; letter-spacing: .06em; }
.lab-canvas { width: 100%; height: auto; display: block; background: var(--ml-canvas); border: 1px solid var(--ml-line); border-radius: var(--ml-radius-md); }
.lab-select { font: 500 14px var(--ml-font-brand); color: var(--ml-text); background: var(--ml-surface-2); border: 1px solid var(--ml-line-strong); border-radius: var(--ml-radius-sm); padding: 8px 10px; }
.lab-activity-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--ml-space-3); }
.lab-activity-grid .lab-card { display: flex; flex-direction: column; gap: var(--ml-space-2); }
.lab-activity-grid .lab-card .ml-btn { margin-top: auto; align-self: flex-start; }
.lab-source { font-size: 12px; color: var(--ml-text-subtle); }
.lab-hidden { display: none !important; }
/* 2026-10-17 audit fixes: never wider than the screen */
.lab-select { max-width: 100%; }
.lab-shell, .lab-card, .lab-lens, .lab-seg { min-width: 0; }
.lab-card select.lab-select { width: 100%; }
.lab-canvas:focus-visible { outline: 2px solid var(--ml-primary); outline-offset: 3px; }
/* Progress (assets/lab/progress.js) */
.lab-progress { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; gap: var(--ml-space-3); align-items: center; padding: var(--ml-space-4); margin-bottom: var(--ml-space-5); border: 1px solid var(--ml-line-strong); border-radius: var(--ml-radius-lg); background: var(--ml-surface-1); }
.lab-progress p { margin: 0; }
.lab-progress-n { font: 500 18px var(--ml-font-brand); color: var(--ml-text); margin: 4px 0 !important; }
.lab-progress-n b { color: var(--ml-primary); font-size: 24px; }
.lab-progress-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.lab-ring { width: 72px; height: 72px; transform: rotate(-90deg); }
.lab-ring circle { fill: none; stroke-width: 6; }
.lab-ring-bg { stroke: var(--ml-surface-3); }
.lab-ring-fg { stroke: var(--ml-primary); stroke-linecap: round; transition: stroke-dashoffset .8s var(--ml-ease); }
.lab-card.is-done { border-color: rgba(57, 255, 136, .45); }
.lab-done-chip { align-self: flex-start; padding: 2px 8px; border-radius: var(--ml-radius-pill); border: 1px solid var(--ml-accent); color: var(--ml-accent); font: 500 11px var(--ml-font-data); letter-spacing: .08em; text-transform: uppercase; }
.lab-done-chip::before { content: "✓ "; }
.lab-next { justify-self: start; }
.lab-toast { position: fixed; left: 50%; bottom: 22px; z-index: 260; transform: translate(-50%, 20px); opacity: 0; max-width: calc(100vw - 32px); padding: 12px 16px; border: 1px solid var(--ml-accent); border-radius: var(--ml-radius-md); background: rgba(10, 13, 18, .96); color: var(--ml-text); font: 500 14px var(--ml-font-brand); box-shadow: 0 0 24px rgba(57, 255, 136, .18); transition: opacity .3s var(--ml-ease), transform .3s var(--ml-ease); }
.lab-toast.is-on { opacity: 1; transform: translate(-50%, 0); }
@media (max-width: 700px) { .lab-progress { grid-template-columns: 56px minmax(0, 1fr); } .lab-ring { width: 56px; height: 56px; } .lab-progress-actions { grid-column: 1 / -1; justify-content: flex-start; } }