.ms-lesson{color:#142f49;width:100%;text-align:center}
.ms-controls{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px}
.ms-controls label{display:inline-flex;align-items:center;gap:5px;font-size:13px}
.ms-controls button,.ms-controls select,.ms-lesson form button{padding:6px 9px;border:2px solid #075bb5;border-radius:9px;font-family:inherit;font-size:14px;font-weight:700;color:#075bb5;background:#fff}
.ms-board{padding:8px}
.ms-caption{margin:3px 0 7px;padding:7px;background:#ffedac;color:#603400;border:1px solid #9b6500;border-radius:8px;font-size:15px;font-weight:700;line-height:1.65}
.ms-original{display:flex;direction:ltr;justify-content:center;gap:6px;flex-wrap:wrap}
.ms-original>span{min-width:65px;display:flex;flex-direction:column;border:2px solid var(--ms-color);border-radius:9px;background:white;padding:3px 8px;color:var(--ms-color)}
.ms-original small{font-size:11px;color:#18354e;direction:rtl}.ms-original b{font:900 27px/1.3 system-ui}
.ms-plot{width:100%;max-width:1000px;margin:auto}.ms-plot svg{display:block;direction:ltr;width:100%;height:auto;max-height:38vh;min-height:180px;background:white}
.ms-proof{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;font-size:14px;font-weight:800;margin:4px}
.ms-proof span{background:white;border:2px solid #365c79;border-radius:8px;padding:3px 8px}
.ms-calculation{background:white;border-radius:10px;padding:4px;margin:4px 0}
.ms-sum,.ms-equation{display:flex;direction:rtl;flex-wrap:wrap;gap:6px;justify-content:center;align-items:center;font:900 clamp(22px,3vw,32px)/1.45 system-ui;color:#073e82}
.ms-equation{color:#961147}.ms-conclusion{margin:4px;font-size:15px;font-weight:800;color:#00583e}
.ms-question{margin:6px 0}.ms-choices{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:8px}
.ms-choices button{min-width:60px;min-height:44px;padding:5px 12px;background:white;color:#173d6a;border:2px solid #173d6a;border-radius:9px;font:900 25px system-ui}
.ms-choices .ms-correct{background:#c5f3d7!important;color:#004b2d!important;border-color:#00603c!important}
.ms-question p{margin:4px;font-weight:700}.ms-navigation button{display:inline-flex;align-items:center;justify-content:center;gap:5px}
.ms-lesson details{padding:6px;margin-top:6px;border:1px solid #59758b;border-radius:10px;background:#f5f8fc;text-align:right}
.ms-lesson form{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:7px}.ms-lesson form input{max-width:100%;padding:6px;font:800 20px system-ui;color:#173b6a;border:2px solid #59758b;border-radius:7px}
.ms-lesson form small{font-size:12px}.ms-lesson [role=alert]{color:#9d152d;font-weight:700}
.ms-related{margin-top:6px;font-size:12px}.ms-related a{color:#075bb5;text-decoration:underline}
.ms-lesson [hidden]{display:none!important}
@media(max-width:600px){.ms-board{padding:5px}.ms-caption{font-size:12px;padding:4px}.ms-original{gap:4px}.ms-original>span{min-width:40px;padding:2px 4px}.ms-original small{font-size:9px}.ms-original b{font-size:23px}.ms-proof{font-size:12px;gap:4px}.ms-conclusion{font-size:12px}.ms-sum,.ms-equation{font-size:23px}.ms-plot svg{min-height:150px}.ms-controls label{font-size:12px}}
@media(max-height:500px) and (min-width:600px){.ms-plot svg{max-height:44vh;min-height:130px}.ms-original small{font-size:9px}.ms-original b{font-size:19px}.ms-caption{font-size:11px;padding:2px;margin:2px}.ms-proof{font-size:11px}.ms-sum,.ms-equation{font-size:22px}.ms-conclusion{font-size:12px;margin:1px}.ms-board{padding:4px}.ms-calculation{padding:1px;margin:2px}}