:root{--bg:#e9e9e6;--card:#f7f7f3;--white:#fff;--ink:#1d1d1a;--mute:#8b8b84;--faint:#eeeee8;--lime:#dbf34b;--lime-ink:#3b4400;--warn:#d2540a;--radius:26px;--aurora-green:radial-gradient(90% 130% at 12% 88%, #2fb24d 0%, #2fb24d00 62%), radial-gradient(85% 110% at 88% 8%, #f2a93b 0%, #f2a93b00 58%), radial-gradient(120% 120% at 55% 55%, #9ed04c 0%, #9ed04c00 72%), #dfe4d6}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:Inter,system-ui,sans-serif;font-size:15.5px;line-height:1.55}.blob{filter:blur(100px);opacity:.45;pointer-events:none;z-index:0;border-radius:50%;position:fixed}.wrap{z-index:1;max-width:1180px;margin:0 auto;padding:0 20px 80px;position:relative}.backlink{letter-spacing:.02em;color:var(--mute);align-items:center;gap:7px;margin-top:34px;font-size:12.5px;font-weight:600;text-decoration:none;transition:color .15s;display:inline-flex}.backlink:hover{color:var(--ink)}header{padding:32px 0 30px}.eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin-bottom:12px;font-family:IBM Plex Mono,monospace;font-size:10.5px;font-weight:500}h1{letter-spacing:-.03em;font-size:clamp(30px,4.6vw,46px);font-weight:600;line-height:1.14}h1 .co{background:var(--lime);color:var(--lime-ink);box-decoration-break:clone;border-radius:999px;padding:1px 16px 3px}.sub{color:var(--mute);max-width:660px;margin-top:14px}.sub strong{color:var(--ink);font-weight:600}.floatpill{-webkit-backdrop-filter:blur(12px);background:#ffffffb8;border-radius:999px;align-items:center;gap:10px;margin-top:20px;padding:11px 20px;font-size:13.5px;display:inline-flex;box-shadow:0 16px 40px #1e1e141a}.floatpill b{font-weight:600}.floatpill span{color:var(--mute);font-size:12px}.layout{grid-template-columns:264px 1fr;align-items:start;gap:30px;margin-top:34px;display:grid}@media (width<=900px){.layout{grid-template-columns:1fr}}.rail{background:var(--card);border-radius:var(--radius);padding:18px;position:sticky;top:16px}@media (width<=900px){.rail{position:static}}.rail h2{text-transform:uppercase;letter-spacing:.14em;color:var(--mute);margin-bottom:10px;font-family:IBM Plex Mono,monospace;font-size:10.5px;font-weight:500}.score-card{background:var(--aurora-green);color:#fff;border-radius:20px;margin-bottom:16px;padding:16px}.score-top{opacity:.92;margin-bottom:8px;font-size:12px;font-weight:500}.readiness{letter-spacing:.02em;font-family:Doto,monospace;font-size:54px;font-weight:900;line-height:1}.readiness small{color:#fff;opacity:.9;font-family:Doto,monospace;font-size:22px;font-weight:900}.readiness-label{letter-spacing:.1em;text-transform:uppercase;color:#ffffffe0;margin:8px 0 14px;font-size:10.5px}.score-ruler{background:repeating-linear-gradient(90deg,#ffffffe6 0 2px,#0000 2px 7px);border-radius:2px;height:14px}.rail-topic{margin-bottom:13px}.rail-topic a{color:var(--ink);justify-content:space-between;gap:8px;margin-bottom:5px;font-size:13px;font-weight:500;text-decoration:none;display:flex}.rail-topic a:hover{opacity:.65}.rail-topic .count{color:var(--mute);font-family:Doto,monospace;font-size:11.5px;font-weight:700}.meter{background:repeating-linear-gradient(90deg,#dadad4 0 2px,#0000 2px 7px);border-radius:2px;height:10px;overflow:hidden}.meter>span{background:linear-gradient(90deg,#63b94c,#e9a63c);width:0%;height:100%;transition:width .35s;display:block;mask:repeating-linear-gradient(90deg,#000 0 2px,#0000 2px 7px)}.rail-note{color:var(--mute);border-top:1px dashed #dadad4;margin-top:14px;padding-top:12px;font-size:12px}.enroll-btn{cursor:pointer;background:var(--acc);color:#fff;border:none;border-radius:999px;width:100%;margin-bottom:14px;padding:12px 16px;font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:600;transition:filter .15s,background .15s;display:block}.enroll-btn:hover{filter:brightness(1.06)}.enroll-btn.on{color:var(--acc-ink);background:#ffffffd1}.intel{background:var(--white);border-radius:var(--radius);margin-bottom:24px;padding:24px}.intel h2{letter-spacing:-.01em;margin-bottom:14px;font-size:15px;font-weight:600}.intel-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}@media (width<=680px){.intel-grid{grid-template-columns:1fr}}.intel-col h3{background:var(--faint);letter-spacing:.1em;text-transform:uppercase;color:#6e6e67;border-radius:999px;margin-bottom:10px;padding:4px 13px;font-family:IBM Plex Mono,monospace;font-size:10.5px;font-weight:500;display:inline-block}.intel-col ul{list-style:none}.intel-col li{padding:4px 0 4px 18px;font-size:14px;position:relative}.intel-col li:before{content:"";background:#7fbf56;border-radius:50%;width:6px;height:6px;position:absolute;top:11px;left:2px}section.topic{background:var(--card);border-radius:var(--radius);margin-bottom:18px;overflow:hidden}section.topic.flagged{background:var(--white)}.topic-head{cursor:pointer;user-select:none;flex-wrap:wrap;align-items:center;gap:12px;padding:20px 24px;display:flex}.topic-head:hover{opacity:.85}.topic-head h2{letter-spacing:-.01em;flex:1;align-items:baseline;gap:11px;min-width:200px;font-size:18px;font-weight:600;display:flex}.num{font-family:Doto,monospace;font-size:25px;font-weight:900;line-height:1}.pill{letter-spacing:.02em;white-space:nowrap;border-radius:999px;padding:5px 13px;font-size:11px;font-weight:600}.pill.flag{background:var(--lime);color:var(--lime-ink)}.pill.count{background:var(--faint);color:var(--mute);font-family:Doto,monospace;font-weight:700}.dot{background:#d2453b;border-radius:50%;flex-shrink:0;width:10px;height:10px;box-shadow:0 0 0 3px #d2453b29}.chev{color:var(--mute);font-size:12px;transition:transform .2s}section.topic.open .chev{transform:rotate(90deg)}.topic-body{border-top:1px solid var(--faint);padding:0 24px 24px;display:none}section.topic.open .topic-body{display:block}.why{background:var(--faint);color:#5c5c55;border-radius:14px;margin-top:16px;padding:12px 16px;font-size:13.5px}.why b{color:var(--warn);font-weight:600}.qgroup{margin-top:18px}.qgroup h3{background:var(--faint);letter-spacing:.1em;text-transform:uppercase;color:#6e6e67;border-radius:999px;margin-bottom:6px;padding:4px 13px;font-family:IBM Plex Mono,monospace;font-size:10.5px;font-weight:500;display:inline-block}.qgroup h3 .new{color:var(--warn)}.qitem{border-radius:16px;padding:10px 12px}label.q{cursor:pointer;align-items:flex-start;gap:11px;font-size:14.5px;display:flex}label.q input{accent-color:#63b94c;cursor:pointer;flex-shrink:0;width:15px;height:15px;margin-top:4px}.qitem.checked label.q span{color:var(--mute);text-decoration:line-through #d5d5cf}.qitem.checked .res{opacity:.5}.hot{color:var(--warn);font-weight:600}.qitem.checked .hot{text-decoration:line-through}code{background:var(--faint);border-radius:6px;padding:1px 6px;font-family:IBM Plex Mono,monospace;font-size:.88em}section.topic.flagged code{background:#f3f3ee}.res{color:var(--mute);margin:5px 0 0 26px;font-size:12.5px;line-height:1.55}.res:before{content:"↳ ";color:#b4b4ac}.res a{color:var(--ink);border-bottom:2px solid var(--lime);font-weight:600;text-decoration:none}details.ans{margin:4px 0 12px 36px}details.ans summary{cursor:pointer;background:var(--faint);letter-spacing:.07em;text-transform:uppercase;color:#6e6e67;border-radius:999px;padding:4px 13px;font-size:10.5px;font-weight:600;list-style:none;display:inline-block}details.ans summary::-webkit-details-marker{display:none}.ansbox{background:var(--white);color:var(--ink);border-radius:16px;margin-top:9px;padding:14px 16px;font-size:13.5px;line-height:1.65;box-shadow:0 10px 28px #1e1e140f}.ansbox p{margin:0 0 8px}.ansbox p:last-child{margin-bottom:0}.ansbox .beat{color:var(--mute);letter-spacing:.07em;text-transform:uppercase;font-family:IBM Plex Mono,monospace;font-size:10.5px;font-weight:500}.ph{background:var(--lime);color:var(--lime-ink);border-radius:999px;padding:1px 9px;font-style:normal}.qitem.checked+details.ans{opacity:.5}.plan{background:var(--white);border-radius:var(--radius);margin-top:8px;padding:24px}.plan h2{letter-spacing:-.01em;margin-bottom:6px;font-size:17px;font-weight:600}.plan p{color:var(--mute);margin-bottom:14px;font-size:13.5px}.day{border-top:1px solid var(--faint);grid-template-columns:96px 1fr;gap:14px;padding:14px 0;display:grid}.day .d{color:var(--ink);font-family:Doto,monospace;font-size:17px;font-weight:900}.day .d small{color:var(--mute);letter-spacing:.09em;text-transform:uppercase;margin-top:3px;font-family:Inter,sans-serif;font-size:10px;font-weight:500;display:block}.day p{color:var(--ink);margin:0;font-size:14px}@media (width<=560px){.day{grid-template-columns:1fr;gap:4px}}footer{color:var(--mute);text-align:center;margin-top:34px;font-size:12.5px}footer b{color:var(--ink)}:root{--aurora-green:radial-gradient(110% 150% at 10% 92%, #33b451 0%, #33b45100 70%), radial-gradient(100% 130% at 90% 4%, #f3ac3e 0%, #f3ac3e00 66%), radial-gradient(140% 140% at 50% 60%, #93cc52 0%, #93cc5200 80%), #e3e7db}.stats{flex-wrap:wrap;align-items:center;gap:28px;margin-top:24px;display:flex}.stat{align-items:center;gap:10px;display:flex}.sn{color:var(--ink);font-family:Doto,monospace;font-size:30px;font-weight:900;line-height:1}.chip{background:var(--white);color:var(--mute);border-radius:999px;padding:4px 12px;font-size:11px;font-weight:600}.chip.lime{background:var(--lime);color:var(--lime-ink)}.floatpill{-webkit-backdrop-filter:blur(16px)saturate(1.3);background:#ffffff9e;position:relative;overflow:hidden;box-shadow:0 18px 44px #1e1e141f,inset 0 1px #ffffffb3}.floatpill .ca{filter:blur(5px);opacity:.5;pointer-events:none;background:linear-gradient(90deg,#ff5f5f,#ffd25f,#7cff8a,#5fc8ff,#c05fff);border-radius:999px;width:38px;height:11px;position:absolute;bottom:3px;right:16px}.rail{background:0 0;padding:0}.rail h2{padding-left:6px}.score-card{border-radius:24px;padding:18px}.score-dots{background-image:radial-gradient(#ffffffeb 1.2px,#0000 1.5px);background-size:7px 7px;height:24px;margin-bottom:10px;mask:linear-gradient(90deg,#0000,#000 18% 42%,#0000 58%,#000 76% 88%,#0000)}.rail-topic{background:var(--white);border-radius:20px;margin-bottom:8px;padding:12px 14px}.rail-topic a{margin-bottom:7px}.rail-topic .count{background:var(--faint);border-radius:999px;padding:2px 9px}.rail-note{background:var(--card);border-top:none;border-radius:20px;margin-top:8px;padding:12px 14px}.subttl{color:#b5b5ad;margin:-10px 0 14px;font-size:13.5px;font-weight:500}:root{--ink:#0f1b2d;--mute:#5e7189;--faint:#ffffff8c;--card:#ffffff61;--white:#ffffff9e;--warn:#d2540a;--aurora-green:radial-gradient(110% 150% at 10% 92%, #2e7cf0 0%, #2e7cf000 70%), radial-gradient(100% 130% at 90% 4%, #35c8e8 0%, #35c8e800 66%), radial-gradient(140% 140% at 50% 60%, #5e8ff5 0%, #5e8ff500 80%), #cfe0f4}body{color:var(--ink);background:linear-gradient(165deg,#e4e6e4 0%,#eaeae6 45%,#e2e5e2 100%) fixed}.blob{opacity:.55;filter:blur(110px)}.b1{background:#b7c9c0;width:520px;height:520px;top:-180px;right:-140px}.b2{background:#d9cdbb;width:460px;height:460px;bottom:-200px;left:-160px}.b3{opacity:.3;background:#c3b9ce;width:380px;height:380px;top:38%;left:58%}section.topic,.intel,.plan,.rail-topic,.rail-note,.floatpill{background:var(--card);-webkit-backdrop-filter:blur(22px)saturate(1.45);border:1px solid #ffffffa6;box-shadow:0 20px 50px #1e3c6e1f,inset 0 1px #ffffffbf}section.topic.flagged,.intel,.plan{background:var(--white)}.floatpill{background:#ffffff80}.topic-body,.day{border-top:1px solid #ffffff8c}.rail{box-shadow:none;-webkit-backdrop-filter:none;background:0 0;border:none}.rail-topic{background:#ffffff80}.rail-topic .count{color:var(--mute);background:#fff9}.rail-note{background:#ffffff59;border-radius:20px}.meter{background-color:#2e7cf01f;background-image:repeating-linear-gradient(90deg,#0f1b2d29 0 2px,#0000 2px 7px)}.intel-col li:before{background:#4b8df2}.intel-col li:nth-child(2n):before{background:#35c8e8}.intel-col h3,.qgroup h3,details.ans summary,.pill.count{color:#516480;background:#fff9}section.topic.flagged .qgroup h3,section.topic.flagged .why{background:#ffffff80}.why{color:#41546e;background:#ffffff73}code,section.topic.flagged code{background:#14376e1a}.qitem:hover{background:#ffffff8c}section.topic.flagged .qitem:hover{background:#ffffff73}.qitem.checked label.q span{text-decoration-color:#0f1b2d40}.res a{border-bottom-color:var(--lime)}.ansbox{background:#ffffffb8;box-shadow:0 10px 28px #1e3c6e1a}.chip{background:#fff9}.stats .sn{color:var(--ink)}.rail-note,.rail h2{color:var(--mute)}.subttl{color:#8fa3bc}.eyebrow{color:#6b80a0}:root{--acc:#2e7cf0;--acc-ink:#1b54c4;--acc-soft:#2e7cf026;--lime:#2e7cf029;--lime-ink:#1b54c4;--warn:#1b54c4;--glass:#ffffffc7}section.topic,section.topic.flagged,.intel,.plan,.rail-topic,.rail-note,.floatpill,.score-card,.ansbox{background:var(--glass);-webkit-backdrop-filter:blur(28px)saturate(1.15);box-shadow:none;border:none}.floatpill .ca{display:none}.score-card{color:var(--ink)}.score-top{color:var(--mute);opacity:1}.readiness,.readiness small{color:var(--acc-ink);opacity:1}.qitem:hover,section.topic.flagged .qitem:hover{background:#ffffffb3}.why,section.topic.flagged .why{color:#41546e;background:#ffffffa6}.pill.count,.intel-col h3,.qgroup h3,section.topic.flagged .qgroup h3,details.ans summary,.chip{color:#516480;box-shadow:none;background:#ffffffbf}details.ans[open] summary{background:var(--acc-soft);color:var(--acc-ink)}.ansbox{background:#fffc}.topic-body,.day{border-top:1px solid #ffffff8c}.day:first-of-type{border-top:none}.hot,.why b,.qgroup h3 .new{color:var(--acc-ink)}.pill.flag,.chip.lime,h1 .co,.ph{background:var(--acc-soft);color:var(--acc-ink)}.res a{border-bottom:2px solid #2e7cf073}.res a:hover{background:var(--acc-soft);color:var(--acc-ink);border-radius:4px}label.q input{accent-color:var(--acc)}.meter>span{background:linear-gradient(90deg,#5fc8ff,#2e7cf0)}body{background:linear-gradient(165deg,#d7e3f4 0%,#e4eaf2 45%,#cddff2 100%)}.b1{background:#7fb2ff}.b2{background:#7fe3ff}.b3{background:#a48cff}.score-card{-webkit-backdrop-filter:blur(10px)saturate(1.2);color:#fff;background:var(--aurora-green)!important}.score-top{color:#ffffffeb!important}.readiness,.readiness small{color:#fff!important}.readiness-label{color:#ffffffe0!important}.score-dots{background-image:radial-gradient(#ffffffeb 1.2px,#0000 1.5px)!important}.score-ruler{background:repeating-linear-gradient(90deg,#ffffffeb 0 2px,#0000 2px 7px)!important}.score-ruler>span{background:#fff;width:0%;height:100%;transition:width .35s;display:block;mask:repeating-linear-gradient(90deg,#000 0 2px,#0000 2px 7px)}.lockscreen{text-align:center;padding:34px 10px}.lockscreen .lock-icon{margin-bottom:10px;font-size:26px}.lockscreen p{color:var(--mute);max-width:380px;margin:6px auto 16px;font-size:13.5px}.lockform{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.lockform input[type=password]{color:var(--ink);background:#ffffffb3;border:1px solid #0000001f;border-radius:999px;min-width:200px;padding:10px 14px;font-family:Inter,sans-serif;font-size:14px}.lockform button{background:var(--acc);color:#fff;cursor:pointer;border:none;border-radius:999px;padding:10px 20px;font-family:Inter,sans-serif;font-size:13.5px;font-weight:600}.lockform button:hover{background:var(--acc-ink)}.lock-error{color:#c0392b;margin-top:10px;font-size:12.5px;display:none}.lock-error.show{display:block}section.topic.locked .topic-body>:not(.lockscreen),section.topic:not(.locked) .lockscreen{display:none!important}.pattern{border-top:1px solid #ffffff8c;padding:18px 0}.pattern:first-child{border-top:none;padding-top:6px}.pat-name{letter-spacing:-.01em;margin-bottom:5px;font-size:16.5px;font-weight:600}.pat-blurb{color:var(--mute);max-width:72ch;margin:0 0 14px;font-size:13.5px}.learn{margin-bottom:12px}.learn-label{letter-spacing:.1em;text-transform:uppercase;color:#516480;background:#ffffffbf;border-radius:999px;margin-bottom:9px;padding:4px 13px;font-family:IBM Plex Mono,monospace;font-size:10.5px;font-weight:500;display:inline-block}.learn-list{margin:0;padding:0;list-style:none}.learn-list li{color:#41546e;padding:5px 0 5px 18px;font-size:13px;line-height:1.45;position:relative}.learn-list li:before{content:"—";color:var(--acc-ink);opacity:.55;position:absolute;left:0}.probs{margin-top:6px}.prob-row label.q{align-items:flex-start;gap:12px}.prob-text b{font-weight:600}.prob-text .note{color:var(--mute)}.diff-tag{text-transform:uppercase;letter-spacing:.05em;border-radius:6px;flex-shrink:0;margin-top:1px;padding:3px 8px;font-family:IBM Plex Mono,monospace;font-size:10px;font-weight:600}.diff-tag.Easy{color:#2e6a48;background:#3f7d5c2e}.diff-tag.Medium{color:#8a5e14;background:#a3701d2e}.diff-tag.Hard{color:#8c352c;background:#9c3d342e}.qitem.checked .diff-tag{opacity:.6;text-decoration:none}.qitem.checked .prob-text b{text-decoration:line-through #0f1b2d40}