/* Shared learning support: all selectors are scoped to avoid changing course layouts. */
.ls-welcome,.ls-start{box-sizing:border-box;border:1px solid #385368;border-left:3px solid #93e4c5;background:#142635;color:#edf3f8;border-radius:12px;padding:16px 20px;margin:18px 0;font:15px/1.65 system-ui,sans-serif;max-width:100%;overflow-wrap:anywhere}
.ls-welcome a,.ls-start a,.ls-guide a{color:#9ad9ff}.ls-welcome strong{display:block;margin-bottom:3px}.ls-start p{margin:5px 0 12px}.ls-kicker{display:block;font:700 11px/1.5 system-ui,sans-serif;letter-spacing:.13em;text-transform:uppercase;color:#93e4c5;margin:0 0 8px}
.ls-button,.ls-dialog button,.ls-dialog input,.ls-dialog select{font:inherit}.ls-button,.ls-dialog .ls-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;border:1px solid #527187;border-radius:9px;padding:8px 13px;background:#1a394a;color:#edf3f8;text-decoration:none;cursor:pointer;box-sizing:border-box;line-height:1.4}
.ls-button:hover{background:#254a60}.ls-text-link{display:inline-block;padding:10px 8px;font-size:14px}.ls-inline-help{margin:0 0 20px!important;padding:0;line-height:1.3!important}.ls-inline-help .ls-button{font:13px/1.3 system-ui,sans-serif;background:transparent;min-height:40px;padding:6px 10px;border-color:#3c566a;color:#b9d9ea}
.ls-term,.ls-dialog .ls-term{display:inline;border:0;border-bottom:1px dotted currentColor;background:none;padding:0;color:#9ad9ff;font:inherit;line-height:inherit;text-align:inherit;cursor:pointer;border-radius:0;min-height:0;letter-spacing:inherit;text-transform:inherit}
.ls-term:hover{color:#fff}.ls-button:focus-visible,.ls-term:focus-visible,.ls-dialog a:focus-visible,.ls-dialog summary:focus-visible,.ls-dialog input:focus-visible,.ls-dialog select:focus-visible,.ls-guide a:focus-visible,.ls-guide summary:focus-visible{outline:3px solid #f6cc86;outline-offset:3px}
.ls-dialog{color-scheme:dark;box-sizing:border-box;width:min(780px,calc(100vw - 32px));height:min(900px,calc(100dvh - 40px));max-height:calc(100dvh - 40px);max-width:none;padding:0;border:1px solid #48647a;border-radius:18px;background:#101c29;color:#edf3f8;box-shadow:0 25px 100px #0009;font:16px/1.7 system-ui,sans-serif;overflow:hidden}
.ls-dialog[open]{display:flex;flex-direction:column}.ls-dialog::backdrop{background:#030a12cc}.ls-dialog *{box-sizing:border-box}.ls-dialog h2{font-size:clamp(1.4rem,4vw,2rem);line-height:1.2;letter-spacing:-.025em;margin:0 0 12px;color:#fff}.ls-dialog h3{font-size:1.05rem;line-height:1.4;margin:22px 0 8px}.ls-dialog p{margin:8px 0 16px}.ls-dialog a{color:#9ad9ff}.ls-dialog header{padding:14px 22px;border-bottom:1px solid #385064;background:#142433;flex-shrink:0}.ls-dialog .ls-top-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.ls-dialog .ls-close{min-height:44px;white-space:normal}.ls-dialog .ls-back{background:transparent;border:0;color:#b8d6e8;padding:8px 0;min-height:40px;text-align:left;cursor:pointer}.ls-dialog .ls-back:disabled{color:#8496a4;cursor:default}.ls-dialog .ls-body{overflow:auto;overscroll-behavior:contain;padding:24px 28px 32px;flex:1;min-height:0;scroll-behavior:auto;scrollbar-gutter:stable}.ls-dialog footer{padding:12px 22px;border-top:1px solid #385064;background:#142433;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;flex-shrink:0;font-size:13px;color:#b6c9d8}
.ls-dialog .ls-lead{font-size:1.1rem;color:#e6f3fa}.ls-dialog .ls-needs{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0 22px}.ls-dialog .ls-needs .ls-button{background:#172e3b;font-size:14px}.ls-dialog details{border-top:1px solid #385064;margin:18px 0;padding-top:12px}.ls-dialog summary{cursor:pointer;min-height:44px;padding:8px 0;font-weight:650;color:#edf3f8}.ls-dialog ol{padding-left:1.5em;margin:10px 0}.ls-dialog li{padding-left:5px;margin:10px 0}.ls-limit{border-left:3px solid #d8ad6b;background:#2c2a24;padding:12px 16px;color:#f2dec1;font-size:.92rem;border-radius:0 8px 8px 0}.ls-dialog blockquote{margin:12px 0 20px;border-left:3px solid #84bbd6;background:#172c3b;padding:12px 16px;color:#d9e9f3;font-size:.95rem}.ls-dialog .ls-trail{display:flex;gap:7px;flex-wrap:wrap;font-size:12px;color:#adc3d4;margin-top:6px}.ls-dialog .ls-trail button{padding:3px 6px;background:none;border:0;color:#bcd8eb;text-decoration:underline;cursor:pointer;min-height:32px}.ls-dialog .ls-search{display:grid;gap:10px;margin:16px 0}.ls-dialog label{font-weight:600;display:block;font-size:14px}.ls-dialog input[type="search"],.ls-dialog select{border:1px solid #547086;border-radius:8px;color:#edf3f8;background:#0b1723;padding:12px;min-height:46px;width:100%}.ls-search-result{display:block;padding:13px 0;border-bottom:1px solid #304758;text-decoration:none}.ls-search-result span{display:block;font-size:12px;color:#adc3d4;margin-top:4px}.ls-dialog .ls-reading-link{font-size:13px}
.ls-visual{border:1px solid #3e5d72;background:#0c1722;border-radius:12px;padding:16px;margin:18px 0}.ls-visual svg{display:block;max-width:100%;width:100%;height:auto;color:#b8d8eb}.ls-visual svg text{font:13px system-ui,sans-serif;fill:currentColor}.ls-visual input[type="range"]{width:100%;min-height:44px;accent-color:#93e4c5}.ls-visual label{margin-top:12px}.ls-visual output{display:block;font-variant-numeric:tabular-nums;color:#c1eddf}.ls-visual .ls-caption{font-size:13px;color:#adc3d4;margin:8px 0 0}.ls-tiles{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;max-width:340px;margin:15px auto}.ls-tile{border-radius:6px;padding:12px 3px;text-align:center;background:#254960;color:#fff;font-size:13px}.ls-inventory{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.ls-inventory div{background:#1b3041;border:1px solid #416078;border-radius:8px;padding:14px 8px;text-align:center}.ls-inventory b{display:block;font-size:27px;color:#93e4c5}.ls-inventory span{display:block;font-size:13px;line-height:1.5}.ls-return-note{font-size:12px;max-width:250px}.ls-fallback-shade{position:fixed;inset:0;background:#030a12dd;z-index:99998}.ls-dialog.ls-fallback{position:fixed;top:20px;left:50%;margin:0;transform:translateX(-50%);z-index:99999}.ls-dialog [hidden],.ls-guide [hidden]{display:none!important}
.ls-guide{margin:0;background:#0c1520;color:#edf3f8;font:16px/1.75 system-ui,sans-serif;color-scheme:dark}.ls-guide *{box-sizing:border-box}.ls-guide-nav{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;padding:20px max(20px,calc((100vw - 1000px)/2));border-bottom:1px solid #385064}.ls-guide-nav a{font-size:14px;min-height:36px;padding:6px 0;text-decoration:none}.ls-guide-nav a:first-child{font-weight:800;letter-spacing:.1em;color:#93e4c5}.ls-guide main{max-width:1000px;padding:45px 24px 80px;margin:auto}.ls-guide h1{font-size:clamp(2.2rem,5vw,3.8rem);letter-spacing:-.04em;line-height:1.07;max-width:800px}.ls-guide h2{font-size:1.55rem;line-height:1.25;margin-top:28px}.ls-guide h3{font-size:1.05rem;margin:22px 0 8px}.ls-guide p{max-width:76ch}.ls-how{border-left:3px solid #93e4c5;padding:4px 22px;margin:32px 0}.ls-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:28px 0}.ls-route{display:block;background:#172939;border:1px solid #3f5f74;border-radius:12px;text-decoration:none;padding:22px}.ls-route strong{display:block;font-size:1.15rem;color:#fff}.ls-route span{display:block;font-size:14px;color:#b6cbd9;margin-top:8px}.ls-static-card{border:1px solid #385064;border-radius:12px;background:#142230;padding:22px;margin:18px 0;scroll-margin-top:20px}.ls-static-card h2{margin:6px 0 16px}.ls-static-card summary{cursor:pointer;padding:10px 0;min-height:44px;color:#9ad9ff;font-weight:600}.ls-static-card li{margin:10px 0}.ls-static-card:target{border-color:#93e4c5;box-shadow:0 0 0 2px #93e4c533}.ls-skip{position:absolute;top:-90px;left:15px;background:#fff;color:#000!important;padding:12px;z-index:10}.ls-skip:focus{top:10px}.ls-guide footer{max-width:1000px;margin:auto;padding:20px 24px;color:#adc3d4;border-top:1px solid #385064;font-size:13px}.ls-guide #ls-guide-search{margin:24px 0}.ls-sources{margin-top:50px;border-top:1px solid #385064;padding-top:22px}
@media(max-width:600px){.ls-dialog{width:100%;height:100dvh;max-height:100dvh;border-radius:0;border-width:0;margin:0}.ls-dialog .ls-body{padding:20px 18px}.ls-dialog header{padding:10px 18px}.ls-dialog footer{padding:10px 18px}.ls-dialog .ls-return-note{display:none}.ls-dialog.ls-fallback{top:0}.ls-welcome,.ls-start{padding:14px 16px}.ls-guide-grid{grid-template-columns:1fr}.ls-guide main{padding:26px 18px 60px}.ls-static-card{padding:18px}.ls-inventory{gap:5px}.ls-inventory b{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}.ls-dialog *{scroll-behavior:auto!important}}
@media print{.ls-dialog,.ls-inline-help,.ls-fallback-shade,#ls-guide-search{display:none!important}.ls-guide{background:white;color:black}.ls-guide a{color:black}.ls-static-card,.ls-limit{background:white;color:black;break-inside:avoid}.ls-kicker{color:#333}.ls-static-card details{display:block}.ls-guide-nav{display:none}}