/* ==========================================
   LEARNING LAB (learn-lab.js) — v5.6
   Builds on the .spot-* shell from playful.css
   ========================================== */

/* ---------- Home hub ---------- */
#labHub { margin: 0 0 18px; }
.lab-hub {
    padding: 16px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--accent-indigo-border);
    background:
        radial-gradient(circle at 100% 0%, rgba(91, 76, 240, 0.18), transparent 55%),
        radial-gradient(circle at 0% 100%, rgba(255, 201, 60, 0.14), transparent 50%),
        var(--bg-card);
    box-shadow: 0 4px 0 var(--fun-primary-deep), var(--shadow-md);
}
.lab-hub-head { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.lab-hub-icon { background: linear-gradient(145deg, var(--fun-primary), var(--fun-sky)); box-shadow: 0 4px 0 var(--fun-primary-deep); }
.lab-due {
    display: inline-grid;
    place-items: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    margin-left: 4px;
    border-radius: 99px;
    font-style: normal;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    background: var(--fun-pink);
    color: #fff;
}
.lab-hub-go { margin: 0 0 12px; }
.lab-hub-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.lab-hub-row button {
    position: relative;
    min-height: 58px;
    padding: 8px 10px;
    border-radius: 14px;
    border: 2px solid var(--border-subtle);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-family: 'Cairo', system-ui, sans-serif;
    cursor: pointer;
    box-shadow: 0 3px 0 var(--border-medium);
}
.lab-hub-row button:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--border-medium); }
.lab-hub-row span { display: block; font-size: 15px; font-weight: 800; }
.lab-hub-row i { display: block; font-style: normal; font-size: 12px; font-weight: 700; color: var(--text-secondary); }
.lab-dot {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--fun-pink);
    box-shadow: 0 0 0 3px var(--bg-surface);
}

.lab-week {
    padding: 12px;
    border-radius: 14px;
    border: 1.5px dashed var(--accent-gold-border);
    background: var(--accent-gold-bg);
}
.lab-week.done { border-style: solid; border-color: var(--state-valid-border); background: var(--state-valid-bg); }
.lab-week-top { display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; font-weight: 800; color: var(--accent-gold); }
.lab-week.done .lab-week-top { color: var(--state-valid); }
.lab-week-top b { font-family: 'Outfit', sans-serif; font-size: 14px; }
.lab-week p { margin: 4px 0 8px; font-size: 13.5px; font-weight: 700; color: var(--text-primary); line-height: 1.6; }
.lab-week-bar { height: 10px; border-radius: 99px; background: var(--bg-elevated); overflow: hidden; }
.lab-week-bar i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--fun-yellow), var(--fun-orange)); transition: width 0.5s ease; }
.lab-week.done .lab-week-bar i { background: linear-gradient(90deg, var(--fun-green), var(--fun-sky)); }
.lab-claim { margin-top: 10px; }
.lab-week-ok { display: block; margin-top: 8px; font-size: 12.5px; font-weight: 800; color: var(--state-valid); }

.lab-place-card {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    margin-bottom: 12px;
    text-align: right;
    border-radius: var(--radius-lg);
    border: 2px solid var(--accent-gold-border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Cairo', system-ui, sans-serif;
    box-shadow: 0 4px 0 var(--fun-yellow-deep);
    cursor: pointer;
}
.lab-place-card:active { transform: translateY(2px); }
.lab-place-emoji { font-size: 30px; }
.lab-place-card b { display: block; font-size: 15px; }
.lab-place-card i { display: block; font-style: normal; font-size: 12.5px; color: var(--text-secondary); line-height: 1.6; }
.lab-place-card .fun-row-arrow { margin-right: auto; }

/* ---------- Stats card ---------- */
.lab-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0 0 18px; }
.lab-stats button {
    padding: 12px;
    text-align: right;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Cairo', system-ui, sans-serif;
    box-shadow: 0 3px 0 var(--border-medium);
    cursor: pointer;
}
.lab-stats button:active { transform: translateY(2px); }
.lab-stats span { font-size: 24px; display: block; }
.lab-stats b { display: block; font-size: 14px; margin-top: 2px; }
.lab-stats i { display: block; font-style: normal; font-size: 11.5px; color: var(--text-secondary); line-height: 1.5; }

/* ---------- Question chrome ---------- */
.lab-type {
    display: inline-block;
    margin-bottom: 6px;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: 11.5px;
    font-weight: 800;
    background: var(--accent-indigo-bg);
    color: var(--accent-indigo);
    border: 1px solid var(--accent-indigo-border);
}
.lab-example {
    position: relative;
    margin: 8px 0 14px;
    padding: 12px 14px;
    border-radius: 14px;
    border-right: 4px solid var(--fun-primary);
    background: var(--bg-card);
    box-shadow: 0 2px 0 var(--border-subtle);
}
.lab-example.good { border-right-color: var(--fun-green); background: var(--state-valid-bg); }
.lab-example > span { display: block; font-size: 11.5px; font-weight: 800; color: var(--accent-indigo); margin-bottom: 4px; padding-left: 40px; }
.lab-example p { margin: 0; font-size: 14.5px; line-height: 1.85; color: var(--text-primary); }
.lab-speak {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--border-subtle);
    background: var(--bg-surface);
    font-size: 18px;
    cursor: pointer;
}
.lab-speak.speaking { border-color: var(--fun-sky); animation: labPulse 1s ease-in-out infinite; }
@keyframes labPulse { 50% { box-shadow: 0 0 0 6px rgba(56, 198, 255, 0.25); } }
.lab-turn-wrap { position: relative; display: flex; flex-direction: column; }
.lab-turn-wrap.side-a { align-items: flex-start; }
.lab-turn-wrap.side-b { align-items: flex-end; }
.lab-turn-wrap .lab-speak { position: static; width: 36px; height: 36px; font-size: 15px; margin-top: 4px; }
.lab-turn-wrap .spot-turn { max-width: 100%; }

.spot-name.picked, .spot-turn.picked, .lab-tf button.picked { border-color: var(--fun-primary); box-shadow: 0 3px 0 var(--fun-primary-deep); }

.lab-conf {
    margin-top: 14px;
    padding: 12px;
    border-radius: 14px;
    background: var(--accent-gold-bg);
    border: 1.5px solid var(--accent-gold-border);
    animation: riseIn 0.3s ease both;
}
.lab-conf > span { display: block; font-size: 13.5px; font-weight: 800; color: var(--accent-gold); margin-bottom: 8px; }
.lab-conf div { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.lab-conf button {
    min-height: 46px;
    border-radius: 12px;
    border: 2px solid var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Cairo', system-ui, sans-serif;
    font-size: 13.5px;
    font-weight: 800;
    box-shadow: 0 3px 0 var(--border-medium);
    cursor: pointer;
}
.lab-conf button:active { transform: translateY(2px); }
.lab-calib { padding: 8px 10px; border-radius: 10px; background: var(--state-inquiry-bg); }
.lab-calib.warn { background: var(--state-flaw-bg); }

.lab-tf { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.lab-tf button {
    min-height: 56px;
    border-radius: 16px;
    border: 2px solid var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 800;
    box-shadow: 0 3px 0 var(--border-medium);
    cursor: pointer;
}
.lab-tf button.ok { border-color: var(--fun-green); background: var(--state-valid-bg); box-shadow: 0 3px 0 var(--fun-green-deep); }
.lab-tf button.bad { border-color: var(--fun-pink); background: var(--state-flaw-bg); box-shadow: 0 3px 0 var(--fun-pink-deep); }
.lab-tf button.dim { opacity: 0.5; }
.lab-tf button:disabled { cursor: default; }
.lab-step2 { margin-top: 14px; animation: riseIn 0.3s ease both; }
.lab-reasons .spot-name b { font-size: 13.5px; font-weight: 700; line-height: 1.7; }

/* match */
.lab-match { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 10px; align-items: start; }
.lab-match-col { display: flex; flex-direction: column; gap: 8px; }
.lab-chip, .lab-def, .lab-card {
    padding: 10px 12px;
    text-align: right;
    border-radius: 14px;
    border: 2px solid var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Cairo', system-ui, sans-serif;
    box-shadow: 0 3px 0 var(--border-medium);
    cursor: pointer;
    transition: border-color 0.15s ease, opacity 0.2s ease;
}
.lab-chip { min-height: 56px; font-size: 14px; font-weight: 800; }
.lab-def, .lab-card { font-size: 12.5px; line-height: 1.7; }
.lab-chip.picked { border-color: var(--fun-primary); background: var(--accent-indigo-bg); box-shadow: 0 3px 0 var(--fun-primary-deep); }
.lab-chip.ok, .lab-def.ok { border-color: var(--fun-green); background: var(--state-valid-bg); box-shadow: none; opacity: 0.75; cursor: default; }
.lab-def.shake, .lab-card.shake { animation: optShake 0.4s ease; border-color: var(--fun-pink); }

/* order */
.lab-slots { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.lab-slots li {
    padding: 8px 12px;
    border-radius: 12px;
    border: 2px dashed var(--border-medium);
    background: var(--bg-surface);
    min-height: 44px;
}
.lab-slots li span { font-size: 12px; font-weight: 800; color: var(--text-muted); }
.lab-slots li p { margin: 2px 0 0; font-size: 12.5px; line-height: 1.7; color: var(--text-primary); }
.lab-slots li.filled { border-style: solid; border-color: var(--fun-green); background: var(--state-valid-bg); animation: optPop 0.35s ease; }
.lab-slots li.filled span { color: var(--state-valid); }
.lab-cards { display: flex; flex-direction: column; gap: 8px; }

/* write */
.lab-write-label { display: block; font-size: 13px; font-weight: 800; color: var(--text-secondary); margin-bottom: 6px; }
.lab-write { width: 100%; min-height: 110px; resize: vertical; line-height: 1.8; margin-bottom: 12px; box-sizing: border-box; }
.lab-model { margin-top: 14px; animation: riseIn 0.3s ease both; }
.lab-check {
    display: flex;
    gap: 10px;
    align-items: center;
    min-height: 44px;
    padding: 6px 12px;
    margin-bottom: 8px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 2px solid var(--border-subtle);
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-primary);
}
.lab-check input { width: 20px; height: 20px; accent-color: var(--fun-green); }
.lab-rate { margin-top: 4px; }

/* ---------- Results / placement ---------- */
.lab-place-icon { font-size: 52px; line-height: 1.2; }
.lab-place-units { display: flex; flex-direction: column; gap: 8px; margin: 14px 0; text-align: right; }
.lab-place-units div {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 2px solid var(--border-subtle);
    background: var(--bg-card);
}
.lab-place-units div.pass { border-color: var(--state-valid-border); background: var(--state-valid-bg); }
.lab-place-units b { flex: 1; font-size: 13.5px; color: var(--text-primary); }
.lab-place-units i { font-style: normal; font-family: 'Outfit', sans-serif; font-weight: 800; color: var(--text-secondary); }

/* ---------- Sheets: mastery / report / certificates ---------- */
.lab-medal-sum { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 8px; }
.lab-medal-sum span {
    padding: 8px 0;
    text-align: center;
    border-radius: 12px;
    background: var(--bg-surface);
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 16px;
    color: var(--text-primary);
}
.lab-medal-legend { font-size: 11.5px; line-height: 1.7; color: var(--text-secondary); margin-bottom: 6px; }
.lab-map-cat { font-size: 15px; margin: 16px 0 8px; color: var(--text-primary); }
.lab-map { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.lab-map-chip {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0 8px;
    align-items: center;
    padding: 8px 10px;
    text-align: right;
    border-radius: 12px;
    border: 2px solid var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Cairo', system-ui, sans-serif;
    cursor: pointer;
}
.lab-map-chip span { grid-row: span 2; font-size: 20px; }
.lab-map-chip b { font-size: 12px; line-height: 1.5; }
.lab-map-chip i { font-style: normal; font-size: 10.5px; color: var(--text-muted); }
.lab-map-chip.lv2 { border-color: rgba(160, 174, 192, 0.7); }
.lab-map-chip.lv3 { border-color: var(--accent-gold-border); background: var(--accent-gold-bg); }

.lab-medal { margin-right: 6px; font-size: 15px; }

.lab-bars { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; height: 140px; align-items: end; margin: 6px 0 14px; }
.lab-bars div { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.lab-bars i { display: block; width: 70%; border-radius: 8px 8px 3px 3px; background: linear-gradient(180deg, var(--fun-sky), var(--fun-primary)); min-height: 4px; }
.lab-bars div.today i { background: linear-gradient(180deg, var(--fun-yellow), var(--fun-orange)); }
.lab-bars b { order: -1; font-family: 'Outfit', sans-serif; font-size: 11px; color: var(--text-secondary); min-height: 15px; }
.lab-bars span { margin-top: 4px; font-size: 10.5px; font-weight: 700; color: var(--text-muted); }
.lab-tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.lab-tiles div { padding: 10px 4px; text-align: center; border-radius: 12px; background: var(--bg-surface); }
.lab-tiles b { display: block; font-family: 'Outfit', sans-serif; font-size: 18px; color: var(--text-primary); }
.lab-tiles span { font-size: 11px; font-weight: 700; color: var(--text-secondary); }
.lab-tiles em { font-style: normal; font-size: 10px; }
.lab-tiles em.up { color: var(--state-valid); }
.lab-tiles em.down { color: var(--state-flaw); }
.lab-report-row {
    padding: 10px 12px;
    margin-bottom: 8px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1.5px solid var(--border-subtle);
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-primary);
}
.lab-report-tip {
    padding: 12px;
    margin: 4px 0 14px;
    border-radius: 12px;
    background: var(--accent-indigo-bg);
    color: var(--text-primary);
    font-size: 13.5px;
    font-weight: 700;
    line-height: 1.7;
}

.lab-cert {
    min-height: 120px;
    display: grid;
    place-items: center;
    margin-bottom: 14px;
    border-radius: 14px;
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-size: 13px;
}
.lab-cert img { width: 100%; border-radius: 12px; box-shadow: var(--shadow-md); }
.lab-cert-hint { text-align: center; font-size: 12.5px; color: var(--text-secondary); }
.lab-cert-list { display: flex; flex-direction: column; gap: 8px; }
.lab-cert-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0 10px;
    align-items: center;
    padding: 10px 12px;
    text-align: right;
    border-radius: 14px;
    border: 2px solid var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Cairo', system-ui, sans-serif;
}
.lab-cert-item span { grid-row: span 2; font-size: 26px; }
.lab-cert-item b { font-size: 13px; }
.lab-cert-item i { font-style: normal; font-size: 11.5px; color: var(--text-muted); }
.lab-cert-item:disabled { opacity: 0.6; }
.lab-cert-item.got { border-color: var(--accent-gold-border); background: var(--accent-gold-bg); cursor: pointer; box-shadow: 0 3px 0 var(--fun-yellow-deep); }

/* ---------- Dialogue speak buttons injected into app.js views ---------- */
.tts-inline {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    margin-inline-start: 6px;
    border-radius: 50%;
    border: 2px solid var(--border-subtle);
    background: var(--bg-surface);
    font-size: 14px;
    cursor: pointer;
    vertical-align: middle;
}
.tts-inline.speaking { border-color: var(--fun-sky); animation: labPulse 1s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce) {
    .lab-speak.speaking, .tts-inline.speaking, .lab-conf, .lab-step2, .lab-model, .lab-slots li.filled { animation: none; }
}

/* ---------- Look-alike groups ---------- */
.lab-groups { display: flex; flex-direction: column; gap: 8px; }
.lab-group {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    text-align: right;
    border-radius: 14px;
    border: 2px solid var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Cairo', system-ui, sans-serif;
    box-shadow: 0 3px 0 var(--border-medium);
    cursor: pointer;
}
.lab-group:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--border-medium); }
.lab-group-icon { flex-shrink: 0; font-size: 24px; }
.lab-group-text { flex: 1; min-width: 0; }
.lab-group-text b { display: block; font-size: 14px; }
.lab-group-text i { display: block; font-style: normal; font-size: 11.5px; line-height: 1.6; color: var(--text-secondary); }
.lab-group-pct { flex-shrink: 0; font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 13px; color: var(--accent-indigo); }
.lab-report-row.good { border-color: var(--state-valid-border); background: var(--state-valid-bg); }