/* ==========================================================================
   BOSTON STUDY HUB ACADEMY — Class race (#/race) + Teacher desk race card
   Light theme, uses the variables from theme-light.css.
   ========================================================================== */
.rc-top{grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr))}
.rc-card{padding-bottom:14px}

/* ---------------- your journey ---------------- */
.rc-you-card{display:flex;gap:18px;align-items:flex-start}
.rc-you-num{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:0 0 auto;width:92px;height:92px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,#fff,var(--brand-soft));border:2px solid #D9D1FA;box-shadow:var(--shadow-sm)}
.rc-you-num b{font-family:var(--display);font-size:34px;line-height:1;color:var(--brand)}
.rc-you-num span{font-size:11px;color:var(--dim)}
.rc-you-txt{flex:1;min-width:0}
.rc-you-term{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim-2);font-weight:700;margin-bottom:4px}
.rc-you-line{font-size:15px;color:var(--text);margin:0 0 6px;line-height:1.5}
.rc-prog{margin-top:8px}
.rc-private-note{margin:10px 0 0;padding:8px 11px;border-radius:9px;background:var(--amber-soft);border:1px solid #F6E1B7;color:#7A4E05;font-size:12.8px}

/* ---------------- join / switch ---------------- */
.rc-join{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.rc-join .mini{margin:0}
.rc-switch{display:inline-flex;align-items:center;gap:10px;min-height:44px;cursor:pointer;position:relative;font-weight:600;font-size:14px}
.rc-switch input{position:absolute;opacity:0;width:44px;height:26px;margin:0;left:0;top:50%;transform:translateY(-50%);cursor:pointer}
.rc-switch-ui{width:44px;height:26px;border-radius:999px;background:var(--line-2);position:relative;flex:0 0 auto;transition:background .15s}
.rc-switch-ui::after{content:'';position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .15s}
.rc-switch input:checked + .rc-switch-ui{background:var(--mint)}
.rc-switch input:checked + .rc-switch-ui::after{transform:translateX(18px)}
.rc-switch input:focus-visible + .rc-switch-ui{outline:2px solid var(--brand);outline-offset:2px}
.rc-switch input:disabled + .rc-switch-ui{opacity:.5}
.rc-nick-row{flex-wrap:nowrap}
.rc-nick-row .input{flex:1;min-width:0;min-height:44px}
.rc-nick-row .btn,.rc-card .card-h .btn,.rc-empty .btn,.rc-desk .btn{min-height:44px}
.rc-privacy{border-top:1px dashed var(--line-2);padding-top:12px;font-size:13px}
.rc-privacy b{font-size:13px}
.rc-privacy ul{margin:6px 0 6px 18px;padding:0;color:var(--dim)}
.rc-privacy li{margin-bottom:2px}
.rc-privacy .mini{margin:0}
.rc-stats{display:flex;gap:26px;flex-wrap:wrap}

/* ---------------- empty / info screens ---------------- */
.rc-empty{display:flex;gap:18px;align-items:center}
.rc-empty h3{margin:0 0 6px;font-size:16px}
.rc-empty-ico{flex:0 0 auto;width:96px;--horse:var(--brand)}
.rc-empty-ico .rc-svg{width:96px;height:auto}

/* ---------------- the track ---------------- */
.rc-scroll{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;max-width:100%;border-radius:12px;outline:none}
.rc-scroll:focus-visible{box-shadow:0 0 0 2px var(--brand)}
.rc-track{--lab:200px;--hw:60px;--lane:58px;position:relative;min-width:720px;
  background:linear-gradient(180deg,#F3FBF6,#EAF6EE);border:1px solid #D4ECDD;border-radius:12px}
.rc-head{display:flex;height:58px;border-bottom:1px solid #D4ECDD;background:rgba(255,255,255,.7);border-radius:12px 12px 0 0}
.rc-corner{flex:0 0 var(--lab);display:flex;align-items:flex-end;padding:0 12px 8px;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim-2);font-weight:700;
  position:sticky;left:0;z-index:3;background:#FAFDFB;border-radius:12px 0 0 0}
.rc-ruler{flex:1;position:relative;min-width:0}
.rc-post,.rc-gate-l,.rc-start-l,.rc-gate{position:absolute;left:calc((100% - var(--hw)) * var(--u) / 30 + var(--hw) / 2)}
.rc-post{bottom:0;width:1px;height:6px;background:#A9CDB7;font-style:normal}
.rc-post.is-five{height:10px;background:#7FB394}
.rc-post em{position:absolute;bottom:11px;left:50%;transform:translateX(-50%);font-style:normal;font-size:10px;color:var(--dim-2);font-family:var(--mono, monospace)}
.rc-post.is-gate{height:14px;width:2px;background:var(--brand)}
.rc-post.is-gate em{display:none}
.rc-gate-l{top:6px;transform:translateX(-50%);white-space:nowrap;font-size:11px;font-weight:700;color:var(--brand);background:#fff;border:1px solid #D9D1FA;border-radius:999px;padding:2px 8px;z-index:1}
.rc-gate-l.is-finish{transform:translateX(-100%);color:#1E1A2E;border-color:#C9C2DA}
.rc-start-l{top:8px;transform:translateX(-50%);font-size:10.5px;font-weight:600;color:var(--dim-2)}
.rc-body-area{position:relative}
.rc-field{position:absolute;top:0;bottom:0;left:var(--lab);right:0;pointer-events:none;z-index:0}
.rc-gate{top:0;bottom:0;width:0;border-left:2px dashed rgba(200,30,30,.45)}
.rc-gate.is-finish{width:10px;margin-left:-5px;border:0;opacity:.75;
  background:repeating-conic-gradient(#0f172a 0 25%,#fff 0 50%) 0 0/10px 10px}
.rc-pack{position:relative;z-index:1}
.rc-pack-h{display:flex;font-size:11.5px;color:var(--dim);border-top:1px solid #D4ECDD;background:rgba(255,255,255,.55)}
.rc-pack:first-child .rc-pack-h{border-top:0}
.rc-pack-h span{position:sticky;left:0;padding:5px 12px;white-space:nowrap}
.rc-pack-h b{color:var(--text);font-weight:600}
.rc-lanes{list-style:none;margin:0;padding:0}
.rc-lane{display:flex;min-height:var(--lane);border-top:1px dashed #CFE6D7}
.rc-lane:first-child{border-top:0}
.rc-name{flex:0 0 var(--lab);display:flex;flex-direction:column;justify-content:center;gap:2px;padding:6px 12px;min-width:0;
  position:sticky;left:0;z-index:2;background:rgba(250,253,251,.96);border-right:1px solid #D4ECDD}
.rc-label{font-weight:600;font-size:13.5px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.rc-you{align-self:flex-start;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--brand);border-radius:999px;padding:1px 7px}
.rc-meta{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--dim);flex-wrap:wrap}
.rc-badges{display:inline-flex;gap:3px}
.rc-b{display:inline-flex;align-items:center;gap:1px;font-size:12px;line-height:1}
.rc-b small{font-size:10px;color:var(--dim);font-weight:600}
.rc-run{flex:1;position:relative;overflow:hidden;min-width:0}
.rc-slider{position:absolute;top:0;bottom:0;left:0;width:calc(100% - var(--hw))}
.rc-mover{position:absolute;inset:0;transform:translateX(calc(var(--p) * 100%));pointer-events:none}
.rc-horse{position:absolute;left:0;top:50%;width:var(--hw);height:calc(var(--lane) - 6px);margin-top:calc((var(--lane) - 6px) / -2);
  display:grid;place-items:center;pointer-events:auto;cursor:default;border-radius:10px;outline:none}
.rc-horse:focus-visible{box-shadow:inset 0 0 0 2px var(--brand);background:rgba(255,255,255,.6)}
.rc-svg{width:calc(var(--hw) - 8px);height:auto;overflow:visible;display:block}
.rc-fallback{display:none}
.rc-body,.rc-legs path{fill:var(--horse)}
.rc-legs{opacity:.82}
.rc-silk{fill:#0f172a}
.rc-arm{stroke:#0f172a;stroke-width:2.6;stroke-linecap:round;fill:none}
.rc-cap{fill:#F6B94A}
.rc-cloth{fill:#fff;opacity:.9}

/* your lane: gentle highlight */
.rc-lane.is-me{background:linear-gradient(90deg,rgba(200,30,30,.14),rgba(200,30,30,.03))}
.rc-lane.is-me .rc-name{background:#F1EEFF;border-right-color:#D9D1FA}
.rc-lane.is-me .rc-svg{filter:drop-shadow(0 0 5px rgba(200,30,30,.65))}
.rc-lane.is-private .rc-horse{opacity:.8}
.rc-lane.is-private .rc-label::after{content:' · private';font-weight:400;color:var(--dim-2);font-size:11.5px}

.rc-legend{display:flex;gap:6px 16px;flex-wrap:wrap;margin-top:10px}
.rc-list{font-size:13px}
.rc-list summary{cursor:pointer;color:var(--brand);font-weight:600;min-height:44px;display:flex;align-items:center}
.rc-list ol{margin:4px 0 0 20px;padding:0;color:var(--dim)}
.rc-list li{margin-bottom:3px}

.rc-tip{position:fixed;z-index:90;pointer-events:none;max-width:260px;background:#0f172a;color:#f8fafc;font-size:12px;line-height:1.45;padding:7px 10px;border-radius:8px;box-shadow:0 10px 26px -12px rgba(0,0,0,.6)}
.rc-tip[hidden]{display:none}
.rc-tip i{color:#f4bcbc}

/* ---------------- motion (off under reduced motion) ---------------- */
@media (prefers-reduced-motion: no-preference){
  .rc-anim .rc-mover{animation:rc-gallop 1.2s cubic-bezier(.25,.7,.3,1) both;animation-delay:calc(min(var(--i), 14) * 90ms)}
  .rc-anim .rc-svg{animation:rc-bob .3s ease-in-out 4;animation-delay:calc(min(var(--i), 14) * 90ms)}
  .rc-lane.is-me .rc-svg{animation:rc-glow 2.8s ease-in-out infinite}
  .rc-anim .rc-lane.is-me .rc-svg{animation:rc-bob .3s ease-in-out 4,rc-glow 2.8s ease-in-out 1.4s infinite}
  .rc-confetti i{animation:rc-burst 1.7s cubic-bezier(.2,.6,.4,1) var(--d) both}
}
@keyframes rc-gallop{from{transform:translateX(0)}}
@keyframes rc-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px) rotate(-2deg)}}
@keyframes rc-glow{0%,100%{filter:drop-shadow(0 0 3px rgba(200,30,30,.45))}50%{filter:drop-shadow(0 0 9px rgba(200,30,30,.8))}}
@keyframes rc-burst{
  0%{transform:translate(0,0) rotate(0);opacity:1}
  40%{transform:translate(calc(var(--x) * .7),var(--y)) rotate(calc(var(--r) * .5));opacity:1}
  100%{transform:translate(var(--x),calc(var(--y) + 240px)) rotate(var(--r));opacity:0}
}
.rc-confetti{position:absolute;left:50%;top:45%;width:0;height:0;pointer-events:none;z-index:6}
.rc-confetti i{position:absolute;left:0;top:0;width:8px;height:12px;border-radius:2px;background:var(--c);opacity:0}
@media (prefers-reduced-motion: reduce){
  .rc-confetti{display:none}
  .rc-switch-ui,.rc-switch-ui::after{transition:none}
}

/* ---------------- teacher desk card ---------------- */
.rc-desk-row{display:flex;gap:14px 26px;align-items:flex-end;flex-wrap:wrap}
.rc-desk-row .field{min-width:min(100%,240px)}
.rc-desk-row .input{min-height:44px}
.rc-desk .stat b small{font-size:13px;color:var(--dim-2);font-family:var(--font)}

/* ---------------- projector mode (#/race/projector) ---------------- */
body.race-projector .sidebar,body.race-projector .topbar,body.race-projector .foot{display:none!important}
body.race-projector .app{grid-template-columns:minmax(0,1fr)}
body.race-projector #view{max-width:none;padding:22px 30px 30px}
body.race-projector .rc-track{--lab:270px;--hw:92px;--lane:88px}
body.race-projector .rc-label{font-size:20px}
body.race-projector .rc-meta{font-size:15px}
body.race-projector .rc-b{font-size:18px}
body.race-projector .rc-gate-l{font-size:14px}
body.race-projector .rc-pack-h{font-size:14px}
body.race-projector .rc-list{display:none}
.rc-proj-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.rc-proj-head h1{font-family:var(--display);font-size:clamp(28px,3.6vw,46px);font-weight:500;margin:0}
.rc-proj-head h1 em{font-style:italic;color:var(--brand)}

/* ---------------- phones: the track scrolls sideways inside its card ---------------- */
@media (max-width:640px){
  .rc-track{--lab:136px;--lane:60px;min-width:660px}
  .rc-label{font-size:12.8px}
  .rc-you-card{gap:12px}
  .rc-you-num{width:72px;height:72px}
  .rc-you-num b{font-size:26px}
  .rc-empty{flex-direction:column;align-items:flex-start}
  .rc-card .card-h{flex-wrap:wrap}
  .rc-gate-l{font-size:10px;padding:2px 6px}
}
@media print{
  .rc-tip,.rc-confetti,.rc-refresh{display:none!important}
  .rc-scroll{overflow:visible}
}