/* ==========================================================================
   r9.css — Round 9 (3 Oct): the invisible "is the kid here?" check. TEACHER pages + the join page only —
   never loaded on the kid's homework pages (they must look exactly as before).
   On top of slim.css. Colours only through tokens. Every tap target ≥ 44px. The dot always has its word next to it.
   ========================================================================== */
.r9{display:grid;gap:16px;min-width:0}
.r9top{gap:10px 16px;flex-wrap:wrap;align-items:center}
.r9top .sub{margin:0;flex:1 1 320px}
.r9top .stamp{flex:0 1 auto}
.r9grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:16px;align-items:start}
.r9 h2{display:flex;align-items:center;gap:8px}
.r9 .row.between{gap:10px;flex-wrap:wrap}

/* ---------- the dot: Here = filled green · Idle = filled amber · Away = hollow ring · Not started = faint ---------- */
.r9dot{width:12px;height:12px;border-radius:var(--dot-radius);flex:none;background:var(--line);box-sizing:border-box}
[data-state="here"] > .r9dot{background:var(--alt-ink)}
[data-state="idle"] > .r9dot{background:var(--warn)}
[data-state="away"] > .r9dot{background:var(--surface);border:2.5px solid var(--muted)}
.r9legend{display:flex;flex-wrap:wrap;gap:6px 18px;margin:0;font-size:13px}
.r9key{display:inline-flex;align-items:center;gap:6px}
.r9key b{font-weight:600;color:var(--ink)}

/* ---------- 100 · one row per kid ---------- */
.r9list,.r9alerts,.r9sumlist{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.r9row{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:12px;align-items:center;min-height:52px;padding:6px 12px;border:var(--card-border);border-radius:12px;background:var(--surface)}
.r9row[data-r9-live]{box-shadow:inset 3px 0 0 var(--accent)}
.r9who b{display:block;font-weight:500}
.r9who small{color:var(--muted);font-size:12.5px}
.r9row[data-state="away"] .r9who small{color:var(--ink);font-weight:500}
.r9away{font-size:13px;white-space:nowrap}
.r9prog{font-size:13.5px;font-weight:500;min-width:36px;text-align:right}

/* ---------- 101 · alerts ---------- */
.r9alerts li{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:baseline;padding:8px 10px;border-radius:10px;background:var(--neutral-soft);font-size:14px}
.r9alerts li.sub{display:block;background:none;padding:0;font-size:13.5px}
.r9ic{width:8px;height:8px;border-radius:var(--dot-radius);background:var(--warn);align-self:center}
.r9alerts small{font-size:11.5px;text-transform:uppercase;letter-spacing:var(--label-ls)}
[data-r9-mute]{min-height:44px}

/* ---------- 102 · summary + Play demo ---------- */
.r9sumlist li{display:flex;flex-wrap:wrap;gap:4px 12px;padding:8px 0;border-bottom:1px solid var(--line)}
.r9sumlist li:last-child{border-bottom:0}
.r9sumlist b{min-width:70px;font-weight:500}
.r9demorow{display:flex;align-items:center;gap:12px;flex-wrap:wrap;min-height:44px;font-size:15px}
.r9demorow .r9prog{margin-left:auto}
.r9bar{height:6px;border-radius:3px;background:var(--track);overflow:hidden}
.r9bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .9s linear}
.r9dsum{margin:0;padding:10px 12px;border-radius:10px;background:var(--alt-soft);color:var(--alt-ink);font-weight:500}
[data-r9-demo][aria-disabled="true"]{opacity:.6;pointer-events:none}

/* ---------- 103 · parent notice on the join page ---------- */
.r9consent{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:start;padding:12px;border:var(--card-border);border-radius:12px;background:var(--neutral-soft);cursor:pointer;font-size:14px}
.r9consent input{width:22px;height:22px;margin:2px 0 0;accent-color:var(--accent)}
.r9consent b{display:block;font-weight:500}
.r9consent small{display:block;color:var(--sub);font-size:13px;margin:2px 0 6px}
.r9consent em{display:block;font-style:normal;font-size:13px;color:var(--ink)}
.r9consent.r9need{border-color:var(--warn);box-shadow:inset 3px 0 0 var(--warn)}

@media (prefers-reduced-motion:reduce){ .r9bar i{transition:none} }
@media (max-width:1100px){ .r9grid{grid-template-columns:minmax(0,1fr)} }
@media (max-width:600px){
  .r9row{grid-template-columns:auto minmax(0,1fr) auto;row-gap:2px}
  .r9away{grid-column:2/4;grid-row:2;white-space:normal}
}