body.help-open{overflow:hidden}
.help-back{position:fixed;inset:0;background:rgba(15,25,45,.48);opacity:0;pointer-events:none;transition:.18s;z-index:1200;display:flex;justify-content:flex-end}
.help-back.open{opacity:1;pointer-events:auto}
.help-panel{width:min(780px,100%);height:100%;background:#fff;display:flex;flex-direction:column;box-shadow:-20px 0 60px rgba(0,0,0,.25);transform:translateX(30px);transition:.22s}
.help-back.open .help-panel{transform:none}
.help-head{display:flex;justify-content:space-between;align-items:center;background:var(--navy);color:#fff;padding:16px 20px}
.help-head h2{color:#fff;margin:0;font-size:22px}
.help-head .small{color:#C9D6EA}
.icon-btn.dark{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.35)}
.help-tools{display:grid;grid-template-columns:1fr 180px;gap:9px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--card)}
.help-tools input,.help-tools select{border:1px solid var(--line);border-radius:9px;padding:9px 10px;background:#fff;min-height:40px}
.help-body{display:grid;grid-template-columns:300px 1fr;min-height:0;flex:1}
.help-list{overflow:auto;border-right:1px solid var(--line);background:#fafbfd;padding:8px}
.help-item{display:flex;flex-direction:column;gap:3px;width:100%;text-align:left;background:transparent;border:0;border-radius:10px;padding:9px 10px;margin:1px 0;color:var(--ink)}
.help-item:hover{background:var(--soft)}
.help-item.on{background:var(--navy);color:#fff}
.help-item.on small{color:#DCE6F6}
.help-item b{font-size:13px;color:inherit}
.help-item small{font-size:11px;color:var(--muted);line-height:1.2}
.help-topic{overflow:auto;padding:20px 24px}
.help-topic h3{font-size:24px;margin:2px 0 6px}
.help-topic .lead-small{font-size:16px;color:var(--navy2);font-weight:700}
.help-topic p{font-size:15px}
.help-formula{background:var(--card);border:2px solid var(--amber);border-radius:12px;padding:12px;text-align:center;color:var(--navy);font-family:"Cambria Math",Cambria,serif;font-size:20px;font-weight:700;margin:12px 0}
.help-box{background:var(--card);border-left:4px solid var(--navy2);border-radius:0 10px 10px 0;padding:10px 12px;margin:10px 0}
.help-box b{color:var(--navy)}
.help-box p{margin:2px 0 0;font-size:14px}
.help-box.error{background:var(--red-soft);border-left-color:var(--red)}
.help-box.error b{color:var(--red)}
.help-refs{display:flex;flex-direction:column;gap:5px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.help-refs b{color:var(--navy);font-size:13px}
.help-refs a{font-size:13px;padding:6px 8px;border-radius:8px;background:var(--soft);color:var(--navy2)}
.help-refs a:hover{background:#dce7f7}
.help-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 16px;border-top:1px solid var(--line);background:var(--card);font-size:12px;color:var(--muted)}
.tour-back{position:fixed;inset:0;z-index:1300;pointer-events:none;opacity:0;transition:.18s}
.tour-back.open{opacity:1;pointer-events:auto}
.tour-back:before{content:"";position:absolute;inset:0;background:rgba(10,20,40,.55)}
.tour-hole{position:absolute;border-radius:12px;box-shadow:0 0 0 9999px rgba(10,20,40,.55),0 0 0 3px var(--amber),0 0 30px rgba(232,156,44,.8);pointer-events:none;display:none;transition:.18s}
.tour-tip{position:absolute;width:380px;max-width:calc(100vw - 24px);background:#fff;border-radius:16px;padding:16px 18px;box-shadow:0 18px 50px rgba(0,0,0,.32);pointer-events:auto}
.tour-kicker{display:flex;justify-content:space-between;font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:800}
.tour-tip h3{margin:6px 0 5px;font-size:21px}
.tour-tip p{margin:0 0 12px;font-size:14px;color:#3a4352}
.tour-actions{display:flex;gap:7px;align-items:center}
@media(max-width:760px){.help-body{grid-template-columns:1fr}.help-list{max-height:190px;border-right:0;border-bottom:1px solid var(--line)}.help-tools{grid-template-columns:1fr}.tour-tip{width:calc(100vw - 24px)}}