:root{--blue:#005eb8;--button:#1675d1;--planner:#fff;--panel:#fff;--ink:#123457;--nav-blue:#075cb3;--blue-hover:#004b98;--blue-soft:#eaf5ff;--blue-border:#b8d9f5;--muted:#43698d;--body-size:13px;--rail:48px;font-family:Arial,Helvetica,sans-serif;color:var(--ink);font-size:var(--body-size)}*{box-sizing:border-box}body{margin:0;background:#fff}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}a{color:inherit}button{border:0}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[contenteditable]:focus-visible{outline:2px solid #005eb8;outline-offset:3px}h1,h2,h3,p{margin-top:0}h2{font-size:24px}h3{font-size:20px}button:disabled{opacity:.5;cursor:default}[hidden]{display:none!important}.icon-button{background:transparent;padding:7px;color:inherit}.primary-button,.small-button{background:var(--button);color:#fff;border-radius:3px;padding:7px 12px}.primary-button{font-size:16px}.primary-button:hover,.small-button:hover{background:var(--blue-hover)}.small-button{font-size:10px;padding:4px 6px}.secondary-button{padding:7px 12px;border:1px solid var(--blue-border);border-radius:3px;background:var(--blue-soft)}.panel{background:var(--panel);border-radius:4px;box-shadow:1px 1px 1px var(--blue-border);padding:12px}.panel h2{margin:0 0 10px;color:var(--blue)}.empty-state{color:var(--muted);margin-bottom:0}.content-form{max-width:440px}.content-form label,.dialog-body form label{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}input:not([type=checkbox]):not([type=range]),textarea,select{border:1px solid var(--blue-border);background:#fff;border-radius:3px;padding:9px;color:var(--ink);max-width:100%}textarea{resize:vertical}.checkbox-label{flex-direction:row!important;align-items:center}.high-contrast{--button:#24679b;--ink:#073b75;--planner:#fff}.high-contrast .empty-state{color:#073b75}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);padding:13px 20px;background:var(--nav-blue);color:white;box-shadow:0 3px 12px #005eb822;z-index:1000;border-radius:4px;max-width:90vw}.portal-dialog{border:0;border-radius:5px;padding:0;width:440px;max-width:calc(100vw - 32px);max-height:90vh;box-shadow:0 12px 60px #003d7a44}.portal-dialog::backdrop{background:#003d7a44}.portal-dialog>header{display:flex;align-items:center;justify-content:space-between;background:var(--blue-soft);padding:12px 18px}.portal-dialog h2{font-size:21px;margin:0}.dialog-body{padding:20px}.dialog-body form .primary-button{display:block;margin-left:auto}.portal-dialog .icon-button{font-size:18px}.help-list dt{font-size:18px;font-weight:bold;margin-top:24px}.help-list dd{margin:8px 0 0;line-height:1.6}#main-content{margin-left:var(--rail);min-height:100vh}#course-content{line-height:1.3}#course-content img{max-width:100%;height:auto}#course-content table{border-collapse:collapse;max-width:100%}#course-content td,#course-content th{padding:6px}#course-content iframe{max-width:100%}#course-content ul{padding-left:40px}#course-content li p{margin-bottom:0}