@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root{--bg:#101724;--bg2:#151e2e;--card:#1a2636;--card2:#202f41;--line:#354355;--text:#f4f3eb;--muted:#a8b5c3;--orange:#ff8d64;--lime:#c9f277;--cyan:#85d8e4;--purple:#c9b5ff;--font:'Be Vietnam Pro',system-ui,sans-serif;--display:'Space Grotesk',var(--font)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 85% 1%,#28394a 0,transparent 29rem),radial-gradient(circle at 0 22%,#182b38 0,transparent 33rem),var(--bg);color:var(--text);font:14px/1.65 var(--font);min-width:320px}
button,input,select{font:inherit}
button{cursor:pointer}
a{color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.skip-link{position:absolute;left:-1000px;top:8px;background:var(--lime);color:var(--bg);padding:10px;z-index:100}
.skip-link:focus{left:8px}
.topbar{height:72px;display:flex;justify-content:space-between;align-items:center;padding:0 clamp(20px,4vw,58px);border-bottom:1px solid rgba(255,255,255,.09);background:rgba(15,23,36,.9);backdrop-filter:blur(12px);position:sticky;top:0;z-index:30}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font:700 16px var(--display);letter-spacing:.04em;white-space:nowrap}
.brand b{color:var(--lime);font-weight:600}
.brand-mark{height:36px;width:36px;display:grid;place-items:center;background:var(--orange);border-radius:11px;color:#171a22;font:700 24px var(--display);transform:rotate(-7deg);box-shadow:4px 4px 0 #ff8d6433}
.topnav{display:flex;align-items:center;gap:27px;font:600 13px var(--display)}
.topnav a{text-decoration:none;color:var(--muted)}.topnav a:hover{color:var(--text)}
.sync-button{display:flex;align-items:center;gap:9px;background:#243445;color:var(--text);border:1px solid #465668;border-radius:999px;padding:9px 14px;font:600 12px var(--display)}
.sync-button:hover{background:#30445a}.sync-dot,.live-dot{width:8px;height:8px;border-radius:50%;display:inline-block;background:var(--orange);box-shadow:0 0 0 4px #ff8d6422}
.sync-button.connected .sync-dot{background:var(--lime);box-shadow:0 0 0 4px #c9f27722}
.shell{max-width:1540px;margin:auto;padding:0 clamp(20px,4vw,58px)}
.intro{display:grid;grid-template-columns:minmax(0,1fr) 255px;align-items:end;gap:28px;padding:clamp(36px,4vw,56px) 0 38px;position:relative}
.intro:before{content:'✳';position:absolute;right:24%;top:26%;font:130px var(--display);color:#ccf47a10;transform:rotate(-18deg);pointer-events:none}
.eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 14px;color:var(--lime);font:700 11px var(--display);letter-spacing:.22em}
h1,h2,h3,p{margin-top:0}
h1{font:700 clamp(44px,5.2vw,76px)/.98 var(--display);letter-spacing:-.065em;margin:0 0 16px;max-width:1000px}
h1 em{font-style:normal;color:var(--orange)}
.intro-copy{max-width:570px;color:var(--muted);font-size:16px;line-height:1.8;margin:0}
.intro-aside{border:1px solid var(--line);border-radius:20px;padding:19px;background:linear-gradient(145deg,#253447,#1a2636);box-shadow:0 24px 48px #0002;display:flex;flex-direction:column;gap:5px;position:relative}
.intro-aside:before{content:'';position:absolute;width:12px;height:12px;border-radius:50%;right:22px;top:22px;background:var(--lime)}
.aside-kicker{color:var(--lime);font:700 11px var(--display);letter-spacing:.16em}
.intro-aside strong{font:700 48px/1 var(--display);letter-spacing:-.07em;margin:5px 0 0}
.intro-aside>span:not(.aside-kicker){color:var(--muted);font-size:12px}
.intro-aside small{color:#8d9dad;line-height:1.5;font-size:11px}
.hero-meter{height:7px;border-radius:8px;background:#394a56;overflow:hidden;margin:8px 0}.hero-meter span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--orange),var(--lime));transition:width .35s}
.section-tabs{display:flex;gap:32px;border-bottom:1px solid var(--line);margin-bottom:38px}
.section-tabs a{padding:0 0 18px;color:var(--muted);text-decoration:none;font:700 14px var(--display);border-bottom:2px solid transparent;transition:color .2s}.section-tabs a.active,.section-tabs a:hover{color:var(--text);border-bottom-color:var(--orange)}.section-tabs a span{font-size:11px;color:var(--orange);margin-right:10px}
.roadmap-section,.lessons-section{scroll-margin-top:105px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin:0 0 28px}
.section-heading h2{font:700 clamp(32px,3.5vw,48px)/1.1 var(--display);letter-spacing:-.045em;margin:0 0 9px}
.section-copy{color:var(--muted);max-width:690px;margin:0;line-height:1.75}
.map-actions{display:flex;gap:10px;white-space:nowrap}
.text-button{background:transparent;border:1px solid var(--line);color:var(--text);border-radius:9px;padding:9px 13px;font:600 12px var(--display)}.text-button:hover{border-color:var(--lime);color:var(--lime)}
.workspace{display:grid;grid-template-columns:258px minmax(0,1fr);gap:18px;align-items:start}
.project-panel,.map-panel{border:1px solid var(--line);background:rgba(25,37,53,.78);border-radius:18px}
.project-panel{padding:22px;position:sticky;top:90px}
.panel-topline{display:flex;justify-content:space-between;color:#8291a2;font:700 10px var(--display);letter-spacing:.17em;margin-bottom:30px}
.project-panel label{display:block;color:var(--muted);font-size:12px;margin-bottom:8px}
.project-panel select{width:100%;border:1px solid #4a5b6a;border-radius:10px;background:#253547;color:var(--text);padding:12px 10px;font-weight:700;cursor:pointer}
.project-meta{margin-top:16px}.project-meta strong{display:block;font:700 20px/1.3 var(--display);letter-spacing:-.025em}.project-meta p{margin:8px 0 12px;color:var(--muted);font-size:12px}.project-meta .tag{display:inline-block;border:1px solid #4d5f6c;color:var(--cyan);border-radius:999px;padding:3px 9px;font:700 10px var(--display);letter-spacing:.08em}
.panel-divider{height:1px;background:var(--line);margin:25px 0}
.panel-note{display:flex;gap:12px;color:var(--muted);font-size:11px;line-height:1.6;margin:0 0 19px}.panel-note:last-child{margin-bottom:0}.panel-note b{color:var(--text);font-size:12px}.note-icon{display:grid;place-items:center;flex:0 0 27px;height:27px;border-radius:8px;background:#34505b;color:var(--lime);font:bold 15px var(--display)}
.map-panel{min-width:0;overflow:hidden}.map-toolbar{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line);color:var(--muted);font:700 10px var(--display);letter-spacing:.13em}.map-caption{display:flex;align-items:center;gap:10px;color:var(--text)}.map-spark{height:8px;width:8px;background:var(--lime);transform:rotate(45deg)}.caption-slash{color:#718496}
.mindmap{padding:30px clamp(16px,3vw,42px) 36px;min-height:480px}
.root-node{display:flex;gap:15px;align-items:center;border:1px solid #637855;background:linear-gradient(110deg,#324544,#263d42);border-radius:15px;padding:19px 22px;max-width:520px;box-shadow:0 12px 30px #0003;position:relative}.root-glyph{display:grid;place-items:center;flex:0 0 43px;width:43px;height:43px;border-radius:13px;background:var(--lime);color:#182a29;font:700 23px var(--display)}.root-node small{color:var(--lime);font:700 10px var(--display);letter-spacing:.14em}.root-node strong{display:block;font:700 22px var(--display);letter-spacing:-.03em;line-height:1.2}.root-node p{color:#c7d4d1;margin:5px 0 0;font-size:12px}
.phase-list{margin:0 0 0 32px;padding:24px 0 0 29px;border-left:2px solid #526666;list-style:none}
.phase-node{position:relative;margin:0 0 16px}.phase-node:before{content:'';position:absolute;top:31px;left:-29px;width:28px;height:2px;background:#526666}.phase-node:after{content:'';position:absolute;top:26px;left:-35px;width:10px;height:10px;border:2px solid var(--orange);background:var(--bg2);border-radius:50%}
.phase-head{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:15px;text-align:left;width:100%;background:var(--card2);color:var(--text);border:1px solid #45586b;border-radius:13px;padding:13px 16px;transition:background .2s,border-color .2s,transform .2s}.phase-head:hover{background:#2b4051;border-color:var(--orange);transform:translateX(2px)}.phase-index{font:700 12px var(--display);color:#13202a;background:var(--orange);border-radius:8px;padding:6px 9px}.phase-title{font:700 17px var(--display);letter-spacing:-.02em}.phase-title small{display:block;color:var(--muted);font:600 10px var(--display);letter-spacing:.14em;margin-top:3px}.phase-progress{font:700 12px var(--display);color:var(--lime)}.chevron{font-size:18px;line-height:1;color:var(--orange);transition:transform .2s}.phase-head[aria-expanded="true"] .chevron,.milestone-head[aria-expanded="true"] .chevron{transform:rotate(90deg)}
.phase-body{margin:0 0 0 19px;padding:16px 0 3px 24px;border-left:1px dashed #567078}.phase-description{color:var(--muted);font-size:12px;margin:0 0 15px;max-width:70ch}
.milestone-node{position:relative;margin:0 0 12px}.milestone-node:before{content:'';position:absolute;left:-24px;top:24px;width:24px;border-top:1px dashed #567078}.milestone-head{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:11px;text-align:left;width:100%;border:1px solid #3d5465;border-radius:10px;background:#1c2b3b;color:var(--text);padding:11px 14px}.milestone-head:hover{border-color:var(--cyan);background:#22364a}.milestone-symbol{width:23px;height:23px;border-radius:7px;display:grid;place-items:center;background:#2d5360;color:var(--cyan);font:700 14px var(--display)}.milestone-title{font-weight:700;font-size:13px}.milestone-title small{display:block;color:var(--muted);font:600 10px var(--display);letter-spacing:.1em}.milestone-progress{font:700 11px var(--display);color:var(--cyan)}.milestone-head .chevron{color:var(--cyan)}
.task-list{list-style:none;margin:0 0 0 14px;padding:8px 0 3px 18px;border-left:1px dashed #4a6670}.task-list li{position:relative;margin:5px 0}.task-list li:before{content:'';position:absolute;left:-18px;top:16px;width:18px;border-top:1px dashed #4a6670}.task-label{display:flex;align-items:flex-start;gap:11px;border:1px solid transparent;border-radius:8px;padding:8px 10px;color:#d8e2e8;font-size:12px;line-height:1.55;cursor:pointer}.task-label:hover{background:#26394a;border-color:#395668}.task-label input{appearance:none;width:18px;height:18px;flex:0 0 18px;margin:1px 0 0;border:1.5px solid #8aa0ad;border-radius:5px;background:#162330;display:grid;place-items:center;cursor:pointer}.task-label input:checked{background:var(--lime);border-color:var(--lime)}.task-label input:checked:after{content:'✓';color:#1b3029;font:700 13px var(--display)}.task-label input:disabled{cursor:default;opacity:.55}.task-label.done span{text-decoration:line-through;color:#8a9baa}.task-label.pending{opacity:.55}.task-label small{display:block;color:#8ea0ae;font-size:10px;margin-top:2px}.task-label.done small{text-decoration:none}
.template-note{background:#273c42;border:1px solid #4b675f;color:#cde7d4;padding:10px 13px;border-radius:10px;font-size:12px;margin:0 0 17px}
.lessons-section{padding-top:110px}.lesson-count{font:700 12px var(--display);letter-spacing:.14em;border:1px solid #536474;border-radius:999px;color:var(--cyan);padding:8px 14px;white-space:nowrap}
.lessons-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(265px,1fr));gap:14px}.lesson-card{background:#1a293a;border:1px solid var(--line);border-radius:15px;padding:22px}.lesson-card .lesson-type{color:var(--lime);font:700 10px var(--display);letter-spacing:.16em}.lesson-card h3{font:700 19px/1.3 var(--display);margin:12px 0}.lesson-card p{color:var(--muted);font-size:12px;line-height:1.7}.lesson-card footer{color:#92a6b6;font:600 10px var(--display);border-top:1px solid var(--line);padding-top:14px;margin-top:18px}.lesson-empty{grid-column:1/-1;display:grid;place-items:center;text-align:center;min-height:210px;border:1px dashed #536878;border-radius:16px;background:linear-gradient(140deg,#1b2d3c,#172535);padding:28px}.lesson-empty span{color:var(--orange);font:700 34px var(--display)}.lesson-empty strong{font:700 20px var(--display)}.lesson-empty p{max-width:380px;color:var(--muted);font-size:12px;margin:5px 0 0}
.lesson-prompt{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;background:linear-gradient(110deg,#30454b,#2c3d3b);border:1px solid #56736c;border-radius:17px;padding:22px 25px;margin-top:18px}.prompt-icon{font:700 35px var(--display);color:var(--lime)}.lesson-prompt strong{font:700 17px var(--display)}.lesson-prompt p{color:#c8d6d4;font-size:12px;margin:4px 0 0}.primary-button{background:var(--lime);color:#1b2b25;border:0;border-radius:9px;padding:11px 15px;font:700 12px var(--display)}.primary-button:hover{background:#daf8a4}
.footer{border-top:1px solid var(--line);padding:27px 0 40px;display:flex;justify-content:space-between;gap:16px;margin-top:100px;color:#8294a4;font:700 10px var(--display);letter-spacing:.1em}.footer i{color:var(--orange);font-style:normal}.footer a{color:var(--cyan);text-decoration:none}
dialog{color:var(--text);background:#1d2b3b;border:1px solid #59707a;border-radius:18px;width:min(480px,calc(100% - 28px));box-shadow:0 30px 100px #0009;padding:0}dialog::backdrop{background:#0a111bdd;backdrop-filter:blur(5px)}.dialog-close-row{display:flex;justify-content:end;margin:0;padding:12px 14px 0}.close-button{border:0;background:transparent;color:var(--muted);font:30px/1 var(--display)}.dialog-content{padding:0 28px 28px}.dialog-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;background:#335752;color:var(--lime);font:700 32px var(--display);margin-bottom:21px}.dialog-content h2{font:700 28px/1.15 var(--display);letter-spacing:-.04em;margin:0 0 12px}.dialog-content>p:not(.eyebrow){color:var(--muted);font-size:12px}.dialog-content b{color:var(--text)}.dialog-content label{display:block;font:700 12px var(--display);margin:22px 0 8px}.dialog-content input{width:100%;padding:12px;border:1px solid #637582;border-radius:9px;background:#132231;color:var(--text);font:13px var(--display)}.dialog-content .token-help{font-size:11px!important;line-height:1.7;margin:10px 0 20px}.token-help a{color:var(--lime)}.dialog-actions{display:flex;justify-content:space-between;gap:12px}.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%,20px);background:#d8f5a1;color:#223126;padding:10px 15px;border-radius:9px;font:700 12px var(--display);box-shadow:0 10px 30px #0005;z-index:90;opacity:0;pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translate(-50%,0)}.toast.error{background:#ffac91;color:#381f1a}
@media(max-width:1000px){.workspace{grid-template-columns:220px minmax(0,1fr)}.intro{grid-template-columns:1fr 230px}.intro:before{display:none}}
@media(max-width:760px){.topbar{height:auto;min-height:64px;gap:12px;flex-wrap:wrap;padding:13px 20px}.topnav{gap:14px}.topnav a{font-size:12px}.brand{font-size:13px}.brand-mark{width:30px;height:30px;font-size:20px}.sync-button{padding:7px 10px;font-size:11px}.intro{grid-template-columns:1fr;padding:24px 0 23px;gap:0}.intro h1{font-size:clamp(34px,8vw,48px);margin-bottom:10px}.intro-copy{font-size:13px;line-height:1.55}.intro-aside{display:none}.section-tabs{margin-bottom:23px}.workspace{grid-template-columns:1fr}.project-panel{position:static;padding:12px}.project-panel .panel-topline,.project-panel label,.project-panel .panel-divider,.project-panel .panel-note,.project-meta{display:none}.map-actions{margin-top:3px}.section-heading{align-items:start;flex-direction:column;gap:9px;margin-bottom:18px}.section-heading h2{font-size:30px}.roadmap-section .section-copy{display:none}.mindmap{padding:21px 16px}.phase-list{margin-left:18px;padding-left:17px}.phase-node:before{left:-17px;width:17px}.phase-node:after{left:-23px}.phase-body{margin-left:11px;padding-left:14px}.milestone-node:before{left:-14px;width:14px}.task-list{margin-left:7px;padding-left:13px}.task-list li:before{left:-13px;width:13px}.phase-head{gap:8px;padding:10px}.phase-title{font-size:14px}.phase-progress{font-size:10px}.milestone-head{gap:7px}.lesson-prompt{grid-template-columns:auto 1fr}.lesson-prompt button{grid-column:1/-1;width:100%}.lessons-section{padding-top:75px}.footer{flex-wrap:wrap;margin-top:70px}}
@media(max-width:430px){.topnav{width:100%;justify-content:space-between}.root-node{padding:15px}.root-node strong{font-size:18px}.map-toolbar{padding:14px}.map-caption{gap:5px;font-size:9px}.phase-title small,.milestone-title small{letter-spacing:0}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}