/* ==========================================================================
   BOSTON STUDY HUB ACADEMY — Techniques library (#/techniques, #/technique/<id>)
   Uses the light-theme tokens from theme-light.css. Tap targets >= 44px.
   ========================================================================== */

/* ---------------- hub ---------------- */
.tq-stats .stat b{font-variant-numeric:tabular-nums}
.tq-controls{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:8px}
.tq-chips{display:flex;flex-wrap:wrap;gap:8px}
.tq-chip{
  min-height:44px;padding:8px 16px;border-radius:999px;border:1px solid var(--line-2);
  background:var(--panel);color:var(--dim);font-size:13.5px;font-weight:600;cursor:pointer;
  transition:background .15s,border-color .15s,color .15s;
}
.tq-chip:hover{border-color:var(--brand-2);color:var(--text)}
.tq-chip.on{background:var(--brand-soft);border-color:#e0aaa5;color:var(--brand)}
.tq-chip:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.tq-search{flex:1 1 240px;min-width:0}
.tq-search .input{width:100%;min-height:44px}

.tq-group{margin-top:22px}
.tq-group-h{font-family:var(--display);font-size:22px;font-weight:500;margin:0 0 10px;display:flex;align-items:center;gap:10px}
.tq-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.tq-card{
  display:flex;flex-direction:column;gap:6px;height:100%;padding:14px 16px;min-height:44px;
  background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);
  color:var(--text);text-decoration:none;transition:transform .15s,border-color .15s,box-shadow .15s;
}
.tq-card:hover{transform:translateY(-2px);border-color:#e6cfc9;box-shadow:0 14px 30px -20px rgba(15,23,42,.45)}
.tq-card:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.tq-card[data-status="mastered"]{border-color:#9FDCC6;background:linear-gradient(160deg,var(--mint-soft),var(--panel) 55%)}
.tq-card-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.tq-card-title{font-size:15px;line-height:1.3}
.tq-card-sum{font-size:13px;color:var(--dim);line-height:1.45;flex:1}
.tq-card-time{font-size:11.8px;color:var(--dim-2);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tq-status{font-size:11px;font-weight:700;letter-spacing:.04em;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--dim-2);white-space:nowrap}
.tq-st-mastered{color:#0B6B4E;background:#E9F8F2;border-color:#C4EBDD}
.tq-st-practised{color:var(--sky);background:var(--sky-soft);border-color:#C9DCFB}
.tq-st-read{color:var(--violet);background:var(--violet-soft);border-color:#DDD3FC}

/* ---------------- technique page ---------------- */
.tq-top{margin-bottom:12px}
.tq-pos{margin-left:auto}
.tq-head h1{overflow-wrap:anywhere}
.tq-head-actions{margin-top:12px;gap:8px}
.tq-head-actions .btn,.tq-foot .btn,.tq-practice .btn,.tq-sec .row .btn{min-height:44px}
.tq-mastered{background:#E9F8F2;border-color:#9FDCC6;color:#0B6B4E;font-weight:700}
.tq-sec{margin-bottom:14px}
.tq-sec h2{font-family:var(--display);font-size:21px;font-weight:500;margin:0 0 10px}
.tq-sec h2:focus{outline:none}
.tq-sec h3{font-size:14.5px;margin:14px 0 6px}
.tq-sec p{font-size:14.6px;line-height:1.65;color:var(--text);margin:0 0 8px}
.tq-pair{margin-bottom:0;align-items:start}
.tq-pair .tq-sec{margin-bottom:14px}

.tq-steps{list-style:none;counter-reset:tqs;margin:0;padding:0;display:grid;gap:12px}
.tq-steps li{counter-increment:tqs;display:grid;grid-template-columns:44px minmax(0,1fr);gap:12px;align-items:start;font-size:15.2px;line-height:1.6}
.tq-steps li::before{
  content:counter(tqs);display:grid;place-items:center;width:44px;height:44px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);font-family:var(--display);font-size:22px;font-weight:600;
}
.tq-steps li span{padding-top:9px}

.tq-time-v{font-size:16px!important;font-weight:600;color:var(--brand)!important}
.tq-traps,.tq-band7,.tq-drill{margin:0;padding-left:20px;display:grid;gap:8px;font-size:14.2px;line-height:1.55}
.tq-traps li::marker{color:var(--rose)}
.tq-band7 li::marker{color:var(--mint)}
.tq-b7{border-color:#C4EBDD}
.tq-signals{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.tq-signals li{font-size:13px;color:var(--violet);background:var(--violet-soft);border:1px solid #DDD3FC;border-radius:999px;padding:5px 12px;overflow-wrap:anywhere}

.tq-label{display:block;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim-2);font-weight:700;margin-bottom:6px}
.tq-prompt{background:var(--amber-soft);border-left:3px solid var(--amber);border-radius:10px;padding:12px 14px;font-size:14.6px;line-height:1.6;margin-bottom:10px}
.tq-structure{margin:0 0 10px;padding-left:20px;font-size:14px;line-height:1.6}
.tq-context{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:10px 0}
.tq-context p{font-family:var(--display);font-size:15.5px;line-height:1.7;margin:0 0 6px}
.tq-instr{font-size:13.6px!important;font-weight:600;color:var(--dim)!important;margin:12px 0 8px!important}
.tq-model{border:1px solid var(--line);border-radius:12px;background:var(--panel-2);margin:10px 0}
.tq-model summary{cursor:pointer;padding:12px 14px;min-height:44px;font-weight:600;font-size:14px;display:flex;align-items:center}
.tq-model summary:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;border-radius:12px}
.tq-model-body{padding:0 14px}
.tq-model-body p{font-family:var(--display);font-size:15.4px;line-height:1.72}
.tq-why{padding:0 14px 12px;font-size:13.6px!important;color:var(--dim)!important}

.tq-q .qh label{cursor:pointer}
.tq-q .opts{grid-template-columns:1fr}
.tq-opts-row{display:flex!important;flex-wrap:wrap;gap:8px}
.tq-opts-row .opt{flex:1 1 56px;justify-content:center}
.tq-letter{color:var(--dim-2)}
.tq-gap{max-width:100%!important;min-height:44px;font-size:15px}
.tq-q .explain{overflow-wrap:anywhere}

.tq-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
.tq-table{min-width:640px}
.tq-table th,.tq-table td{vertical-align:top;font-size:13px;line-height:1.5;white-space:normal}
.tq-table tbody th{font-weight:700;text-align:left;width:18%}

/* practice set */
.tq-block{border-top:1px dashed var(--line-2);padding-top:14px;margin-top:14px}
.tq-block-h{font-size:15px!important;margin:0 0 8px!important}
.tq-passage{
  max-height:52vh;overflow-y:auto;background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;margin-bottom:8px;
}
.tq-passage:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.tq-para{font-family:var(--display);font-size:15.4px!important;line-height:1.72!important;margin:0 0 10px!important}
.tq-para .pl{display:inline-block;min-width:22px;font-family:var(--mono);font-size:12px;font-weight:700;color:var(--brand);margin-right:6px}
.tq-ex-note{margin:0 0 6px!important}
.tq-full{margin:0 0 10px}
.tq-full summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-size:13.4px;font-weight:600;color:var(--brand)}
.tq-full summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.tq-box{display:grid;gap:4px;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin:0 0 10px;font-size:13.4px}
.tq-box b{color:var(--brand);margin-right:4px}
.tq-audio{gap:8px;margin-bottom:10px}
.tq-audio .btn{min-height:44px}

/* related + footer */
.tq-related{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.tq-rel{display:flex;flex-direction:column;gap:2px;padding:12px 14px;min-height:44px;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text);text-decoration:none}
.tq-rel:hover{border-color:#e6cfc9}
.tq-rel:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.tq-rel b{font-size:13.6px}
.tq-foot{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
.tq-foot .mini{margin:6px 0 0}
.tq-prevnext{display:flex;flex-wrap:wrap;gap:14px;font-size:13px}
.tq-prevnext a{display:inline-flex;align-items:center;min-height:44px;color:var(--brand)}

/* links shown inside units and masterclasses */
.tq-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:10px 0 4px}
.tq-links-k{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim-2);font-weight:700}
.tq-link{
  display:inline-flex;align-items:center;min-height:44px;padding:6px 14px;border-radius:999px;
  border:1px solid #DDD3FC;background:var(--violet-soft);color:var(--violet);font-size:13px;font-weight:600;text-decoration:none;
}
.tq-link:hover{border-color:var(--violet)}
.tq-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* official free practice card (#/resources) */
.tq-official{border-color:#C4EBDD}
.tq-official-links{display:grid;gap:8px;margin:8px 0 10px}
.tq-official-links a{display:flex;align-items:center;gap:10px;min-height:44px;padding:10px 13px;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text);text-decoration:none;font-size:13.6px}
.tq-official-links a:hover{border-color:#9FDCC6}
.tq-official-links a:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.tq-official-links a span[aria-hidden]{margin-left:auto;color:var(--dim-2)}
.tq-plan{margin:0;padding-left:20px;display:grid;gap:6px;font-size:13.6px;line-height:1.55}

@media (max-width:640px){
  .tq-grid{grid-template-columns:1fr}
  .tq-steps li{grid-template-columns:38px minmax(0,1fr);font-size:14.6px}
  .tq-steps li::before{width:38px;height:38px;font-size:19px}
  .tq-steps li span{padding-top:7px}
  .tq-pos{margin-left:0;width:100%}
  .tq-sec h2{font-size:19px}
  .tq-chip{padding:8px 13px}
  .tq-foot{flex-direction:column;align-items:stretch}
  .tq-head-actions .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion: reduce){
  .tq-card,.tq-chip{transition:none}
  .tq-card:hover{transform:none}
}
@media print{
  .tq-chips,.tq-search,.tq-practice,.tq-head-actions,.tq-foot,.tq-links{display:none!important}
  .tq-passage{max-height:none;overflow:visible}
}