.s16-home{margin:14px 0;padding:16px;border-radius:20px;background:linear-gradient(135deg,#eef6ff,#f7f3ff);border:1px solid #dbe7fb;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 10px 28px rgba(31,41,55,.06)}.s16-home>div{display:flex;gap:12px;align-items:center}.s16-home>div>span{font-size:32px}.s16-home small{font-size:10px;font-weight:800;letter-spacing:.08em;color:#5b6b83}.s16-home h2{font-size:18px;margin:2px 0 4px}.s16-home p{margin:0;color:#667085;font-size:12px}.s16-home button{border:0;border-radius:14px;padding:11px 14px;background:#1d4ed8;color:#fff;font-weight:800;white-space:nowrap}.s16-overlay{position:fixed;inset:0;z-index:100030;background:rgba(15,23,42,.58);padding:12px;overflow:auto}.s16-overlay[hidden]{display:none}.s16-open{overflow:hidden}.s16-sheet{max-width:640px;margin:12px auto 80px;background:#fff;border-radius:24px;min-height:260px;box-shadow:0 24px 70px rgba(15,23,42,.24);overflow:hidden}.s16-sheet>header{padding:18px 18px 14px;display:flex;gap:12px;justify-content:space-between;border-bottom:1px solid #e7ecf3}.s16-sheet header small{font-size:10px;font-weight:800;letter-spacing:.08em;color:#64748b}.s16-sheet h2{font-size:22px;margin:3px 0}.s16-sheet header p{margin:0;color:#667085;font-size:13px}.s16-sheet header button{width:40px;height:40px;border:0;border-radius:50%;background:#f1f5f9;font-size:25px}.s16-sheet main{padding:18px}.s16-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.s16-grid.compact{grid-template-columns:1fr}.s16-tile{border:1px solid #dce4ee;background:#fff;border-radius:18px;padding:15px;text-align:left;display:flex;align-items:center;gap:11px;min-height:92px}.s16-tile>span{font-size:28px}.s16-tile div{flex:1}.s16-tile b,.s16-tile small{display:block}.s16-tile b{font-size:14px;color:#172033}.s16-tile small{font-size:11px;color:#667085;margin-top:4px;line-height:1.35}.s16-tile i{font-style:normal;font-size:22px;color:#94a3b8}.s16-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}.s16-mini-grid button{border:1px solid #dce4ee;background:#f8fafc;border-radius:16px;padding:15px;text-align:center}.s16-mini-grid span,.s16-mini-grid b{display:block}.s16-mini-grid span{font-size:30px;margin-bottom:6px}.s16-topic-list{display:grid;gap:8px}.s16-topic-list button{border:1px solid #e1e7ef;background:#fff;border-radius:14px;padding:12px 13px;display:flex;align-items:center;gap:9px;text-align:left}.s16-topic-list b{flex:1}.s16-topic-list i{font-style:normal;color:#94a3b8}.s16-note{background:#f8fafc;border:1px solid #e3e8ef;border-radius:13px;padding:10px 12px;font-size:12px;color:#596579;line-height:1.45}.s16-puzzle{text-align:center}.s16-seq{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:20px 0}.s16-seq span{width:48px;height:48px;border-radius:12px;background:#f1f5f9;display:grid;place-items:center;font-size:27px;font-weight:800}.s16-options,.s16-drag-options{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.s16-options button,.s16-drag-options button{border:1px solid #cfd9e6;background:#fff;border-radius:13px;min-height:50px;font-size:20px;font-weight:800}.s16-drop{margin:14px auto;padding:18px;border:2px dashed #94a3b8;border-radius:15px;max-width:260px;background:#f8fafc;font-weight:800}.s16-feedback{min-height:26px;margin-top:12px;font-weight:800}.s16-feedback.ok{color:#15803d}.s16-feedback.bad{color:#b91c1c}.s16-sprint-head{display:flex;justify-content:space-between;background:#eff6ff;padding:10px 12px;border-radius:13px}.s16-calc{font-size:34px;font-weight:900;text-align:center;padding:28px 8px}.s16-sprint form{display:flex;gap:8px}.s16-sprint input{flex:1;min-width:0;border:1px solid #cbd5e1;border-radius:12px;padding:12px;font-size:22px;text-align:center}.s16-sprint form button{border:0;border-radius:12px;background:#1d4ed8;color:#fff;padding:0 16px;font-weight:800}.s16-word h3{font-size:18px;line-height:1.5;margin:6px 0 18px}.s16-word .s16-options{grid-template-columns:1fr 1fr}.s16-word .s16-options button{font-size:15px}.s16-final{text-align:center;padding:30px 10px;font-size:22px}.s16-final b{display:block;margin-bottom:16px}.s16-final button{border:0;border-radius:12px;background:#1d4ed8;color:#fff;padding:11px 16px;font-weight:800}.s16-vocab{display:grid;gap:9px}.s16-vocab details{border:1px solid #dce4ee;border-radius:14px;padding:12px 14px}.s16-vocab summary{font-weight:800;cursor:pointer}.s16-vocab p{margin:9px 0 0;color:#5b6575}.s16-formulas{display:grid;grid-template-columns:1fr 1fr;gap:10px}.s16-formulas article{border:1px solid #dce4ee;border-radius:15px;padding:13px;background:#fff}.s16-formulas b{font-size:14px}.s16-formulas p{font-size:12px;color:#5f6b7a;margin:6px 0 0;line-height:1.45}@media(max-width:520px){.s16-home{align-items:stretch;flex-direction:column}.s16-home button{width:100%}.s16-grid{grid-template-columns:1fr}.s16-mini-grid{grid-template-columns:1fr 1fr}.s16-formulas{grid-template-columns:1fr}.s16-sheet{margin:0 auto 60px;border-radius:20px}.s16-overlay{padding:7px}.s16-options,.s16-drag-options{grid-template-columns:1fr 1fr}}