:root{--pink-strong:#e38c54;--aqua-strong:#70c8cf}
body{background:radial-gradient(circle at 8% 18%,rgba(255,220,181,.72),transparent 29rem),radial-gradient(circle at 94% 32%,rgba(213,243,246,.7),transparent 28rem),var(--paper)}.hero h1 em{color:#d8793e}.eyebrow,.panel-kicker,.modal-kicker,.teacher-guide>div>span{color:#9a572f}.mission-card{background:linear-gradient(135deg,#ffe3c2,#fff5e8);border-color:#ebbe91}.mission-card small{color:#93552f}.equation{color:#73472f;font-size:21px}.series-track .active{background:#ffe1bd;border-color:#e7ae74}.progress i{background:linear-gradient(90deg,#e38c54,#70c8cf)}.phase-track .active b,.modal-steps b{background:#f1ae6d}.teacher-guide{background:linear-gradient(135deg,rgba(255,222,188,.65),rgba(213,243,246,.58))}
.group-board{align-content:center;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;min-height:290px;padding:18px}.group-basket{background:#fff;border:2px solid #e7c39f;border-radius:18px;box-shadow:0 5px 0 rgba(112,74,43,.1);min-height:100px;min-width:112px;padding:12px;text-align:center}.group-basket>small{color:#8c725e;display:block;font-size:9px;font-weight:900;margin-bottom:9px;text-transform:uppercase}.group-chips{display:flex;flex-wrap:wrap;gap:5px;justify-content:center;max-width:130px}.group-chip{align-items:center;border:2px solid rgba(48,50,58,.45);border-radius:50%;display:flex;font:900 14px Nunito,sans-serif;height:31px;justify-content:center;width:31px}.group-chip.positive{background:#ffd954;color:#554718}.group-chip.negative{background:#e96770;color:#fff}.group-chip.flipped{animation:flip .55s ease}.flip-note{align-items:center;background:#fff5db;border-top:1px solid #ead5a3;display:flex;gap:9px;justify-content:center;padding:10px}.flip-note b{color:#9a572f;font:900 13px Nunito,sans-serif}.flip-note span{color:#756b62;font-size:10px}.model-total{white-space:nowrap}.model-result{background:#e8f8ed;border:1px solid #8ecaa4;border-radius:12px;color:#28623c;font-weight:800;margin:0 18px 18px;padding:10px;text-align:center}.model-result strong{font:900 20px Nunito,sans-serif}@keyframes flip{50%{transform:rotateY(90deg) scale(.8)}}
@media(max-width:600px){.group-board{gap:8px;min-height:250px;padding:10px}.group-basket{min-width:92px;padding:9px}.group-chips{max-width:108px}.group-chip{height:27px;width:27px}.flip-note{align-items:flex-start;flex-direction:column}.series-track{justify-content:flex-start}}