#formula-drawer-backdrop .formula-notebook{width:min(620px,100%);max-width:620px;background:#faf9f5;color:#2f3b50}#formula-drawer-backdrop .formula-notebook>div:first-child{background:#fff;border-color:#e7e5de;padding:19px 24px}#formula-drawer-backdrop .formula-notebook h3{font-size:18px;font-weight:650;color:#27344a}#formula-drawer-backdrop .formula-notebook>div:first-child p{font-size:10px;letter-spacing:1px;color:#748096;margin-top:3px}#formula-tabs{gap:0;padding:0 20px!important;background:#fff;border-color:#e5e4df;flex-shrink:0}#formula-tabs button{padding:14px 20px;color:#737e8d;border-bottom:2px solid transparent;font-size:12px;white-space:nowrap;font-weight:600}#formula-tabs button[aria-selected=true]{color:#415e85;border-color:#6487b6}#formula-tabs button:focus-visible{outline:3px solid #b5c6e1;outline-offset:-3px}#formula-list{padding:22px 24px 32px!important;min-height:0;scroll-behavior:smooth}.formula-tools{display:flex;align-items:flex-end;gap:16px;margin-bottom:22px}.formula-tools label{display:block;flex:1;font-size:10px;color:#6b788a;letter-spacing:.5px}.formula-tools input{display:block;width:100%;box-sizing:border-box;margin-top:7px;border:1px solid #dedfdc;border-radius:9px;padding:10px 12px;background:#fff;font:12px/1.5 system-ui;color:#34435a;outline:none}.formula-tools input:focus{border-color:#83a0c5;box-shadow:0 0 0 2px #83a0c51a}.formula-tools a{font-size:10px;color:#73839a;white-space:nowrap;padding-bottom:12px}.formula-intro h1{font-family:'STKaiti','KaiTi',Georgia,serif;font-size:25px;letter-spacing:.6px;font-weight:600;color:#304f77;margin:0 0 10px}.formula-intro p{font-size:12px;line-height:1.9;color:#697587;margin:0 0 22px}.formula-topic{border:1px solid #e1dfd8;border-radius:12px;background:#fffefb;margin:12px 0;overflow:hidden}.formula-topic[hidden],#formula-no-results[hidden]{display:none}.formula-topic summary{list-style:none;display:grid;grid-template-columns:23px minmax(0,1fr) 14px;align-items:center;gap:10px;padding:17px 18px;cursor:pointer;color:#3c526d;font-family:'STKaiti','KaiTi',Georgia,serif;font-size:15px;font-weight:600;line-height:1.65}.formula-topic summary::-webkit-details-marker{display:none}.formula-number{font:10px/1.5 system-ui;color:#93a0b1;letter-spacing:1px}.formula-chevron{font:16px/1 system-ui;color:#8f9eb0}.formula-topic[open] .formula-chevron{transform:rotate(45deg)}.formula-topic[open] summary{border-bottom:1px solid #eeece6}.formula-paper{margin:0 18px 20px 26px;padding:18px 8px 0 20px;border-left:2px solid #d8e3ed;font:13px/1.95 Inter,system-ui,sans-serif;color:#38495e;overflow-wrap:anywhere}.formula-paper p{margin:10px 0 17px}.formula-paper strong{font-weight:650;color:#385474}.formula-paper .katex{font-size:1.1em;color:#293c58}.formula-paper .formula-equation{margin:21px 0;max-width:100%;overflow-x:auto;overflow-y:hidden;padding:5px 1px 10px}.formula-paper .katex-display{margin:.25em 0;text-align:left}.formula-paper .katex-display>.katex{text-align:left;font-size:1.22em}.formula-paper blockquote{border-left:3px solid #d8cba3;background:#faf6e9;padding:10px 13px;margin:22px 0;color:#705e37;border-radius:0 7px 7px 0;font-size:12px}.formula-paper blockquote p{margin:0}.formula-paper ul{list-style:disc;padding-left:21px;margin:15px 0;font-size:12px}.formula-paper li{margin:9px 0}.formula-paper code{font-family:inherit}#formula-no-results,.formula-loading{font-size:13px;color:#6c7b8e;padding:20px 0}.formula-loading button{background:#e8edf5;border-radius:8px;color:#405c80;padding:9px 13px;margin-top:13px}.formula-notebook>div:last-child{background:white!important;border-color:#e5e4df;padding:14px 24px!important}.formula-notebook>div:last-child span{font-size:10px!important}.formula-notebook>div:last-child button{background:#536e91;font-size:11px;border-radius:9px;padding:9px 20px}.student-shell:has(#formula-drawer-backdrop:not(.hidden)) .hub-feedback-launch{display:none}#formula-drawer-backdrop button:focus-visible,#formula-drawer-backdrop summary:focus-visible,#formula-drawer-backdrop a:focus-visible{outline:3px solid #b5c6e1;outline-offset:2px}@media(max-width:600px){#formula-list{padding:18px 15px 26px!important}#formula-drawer-backdrop .formula-notebook>div:first-child{padding:17px 19px}#formula-tabs{padding:0 9px!important}#formula-tabs button{padding:13px 19px}.formula-intro h1{font-size:23px}.formula-topic summary{font-size:14px;padding:15px 12px;gap:7px;grid-template-columns:20px minmax(0,1fr) 13px}.formula-paper{margin-left:16px;margin-right:12px;padding-left:14px;padding-right:2px;font-size:13px}.formula-paper .katex-display>.katex{font-size:1.16em}.formula-paper blockquote{padding:10px;font-size:11px}.formula-tools{gap:12px}.formula-notebook>div:last-child{padding:13px 18px!important}}