/* Giao diện ghi chú workshop Muse AI — tông sáng, xanh navy + cam */
:root{color-scheme:light;--bg:#F3F6FD;--card:#FFFFFF;--ink:#14213F;--ink2:#34405A;--muted:#5A6684;--line:#DCE3F2;--accent:#E8701A;--orange:#FF6A2B;--accent-soft:#FFF8F1;--blue:#2F6BFF;--mint:#0FB57E;--grape:#8457F5;--sun:#F5A300;--pink:#EF4C78;--sky:#1FA9E8;--ok:#0FB57E;--chip:#EEF2FB;--shadow:0 4px 18px rgba(20,33,63,.05);--display:"Baloo 2","Be Vietnam Pro",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,Menlo,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 "Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif}
h1,h2,h3,h4{font-family:var(--display)}
a{color:var(--accent)}
.wrap{max-width:1280px;margin:0 auto;padding:0 16px}
header.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;padding:12px 20px;margin:0 -16px;background:var(--card);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo{flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font:800 15px/1 var(--display);color:#fff;background:linear-gradient(135deg,var(--orange) 0 50%,var(--blue) 50% 100%);box-shadow:0 4px 12px rgba(47,107,255,.25)}
header.top h1{margin:0;font-size:26px;font-weight:800;letter-spacing:-.3px;line-height:1.1}
header.top p{margin:2px 0 0;color:var(--muted);font-size:12px}
#copy-tab-link{flex:none;margin-left:8px}
nav.tabs{scrollbar-width:none;display:flex;gap:4px;overflow-x:auto;min-width:0;margin-left:auto;padding:4px;border:1px solid var(--line);border-radius:12px;background:#F6F8FE}
nav.tabs button{border:0;background:none;color:var(--muted);font:inherit;font-weight:600;font-size:15px;padding:7px 14px;border-radius:9px;cursor:pointer;white-space:nowrap}
nav.tabs button[aria-selected=true]{background:var(--ink);color:#fff}
nav.tabs .spacer{flex:1}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--card);color:var(--ink);font:inherit;font-size:13px;font-weight:600;padding:6px 12px;border-radius:8px;cursor:pointer;text-decoration:none}
.btn{border-radius:9px}.btn:hover{border-color:var(--orange)}.btn.primary{background:var(--orange);border-color:var(--orange);color:#fff}
section.panel{padding:24px 0 48px}section.panel[hidden]{display:none}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--accent);text-transform:uppercase}
h2.title{font-size:30px;font-weight:800;line-height:1.15;margin:6px 0 8px}
.lead{color:var(--muted);margin:0 0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
/* Tab 1: bố cục mục lục + nội dung */
.guide{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:start}
.card.main{padding:28px 32px}
.caps{text-transform:uppercase;letter-spacing:-.2px}
.yt{border-radius:16px;overflow:hidden;background:#0F1A33;margin:4px 0 16px}
.yt iframe{display:block;width:100%;aspect-ratio:16/9;border:0}
.yt-cap{color:#E6ECFA;font-size:13px;font-weight:600;padding:10px 14px}.yt-cap a{color:#FFB27E}
.toc{position:sticky;top:80px;padding:12px;max-height:calc(100vh - 80px);overflow:auto}
.toc a{display:flex;gap:10px;align-items:center;padding:7px 8px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:14px}
.toc a:hover,.toc a.active{background:var(--chip)}
.toc a{font-size:13px}.toc .n{flex:none;width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700}
.toc a.active{background:var(--accent-soft);font-weight:600}.toc a.active .n{background:var(--orange)}
.video{display:flex;gap:14px;align-items:center;padding:14px;margin-bottom:16px;text-decoration:none;color:var(--ink)}
.video .play{flex:none;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--accent));color:#fff;display:grid;place-items:center;font-size:18px}
.hl{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:28px}
.hl .card{padding:10px 12px;border-radius:12px;box-shadow:none}.hl b{display:block;font-size:13px}.hl span{color:var(--muted);font-size:12px}
.step{padding:22px;margin-bottom:28px;scroll-margin-top:96px}
.step .head{display:flex;gap:14px;align-items:center;margin-bottom:8px}
.step .num{flex:none;width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--orange),var(--accent));color:#fff;box-shadow:0 4px 12px rgba(232,112,26,.3);display:grid;place-items:center;font-weight:800;font-size:18px}
.step h3{margin:2px 0 6px;font-size:20px;color:#0D1B33}.step p{margin:0 0 12px;font-size:15.5px;line-height:1.6;color:var(--ink2)}
.shot{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--chip);margin-top:8px}
.shot img{display:block;width:100%;height:auto}
.shot .ph{padding:22px;text-align:center;color:var(--muted);font-size:13px}
.codes{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:10px 0}
.code{padding:8px 14px;text-align:center;background:var(--accent-soft);border:2px dashed var(--accent);border-radius:12px;box-shadow:none}.code small{color:var(--muted)}
.code b{display:block;color:#0D1B33;font:700 22px/1.3 ui-monospace,Menlo,monospace;letter-spacing:.12em;margin:2px 0 8px}
details.faq{background:#FAFBFF;border-radius:12px;box-shadow:none;padding:14px 18px;margin-bottom:10px;scroll-margin-top:96px}
details.faq summary{cursor:pointer;font-weight:600}details.faq p,details.faq ol{margin:10px 0 0;color:var(--muted)}
/* Tab 2: lộ trình — một cột giữa, màu theo chặng (--c) */
.road{max-width:700px;margin:0 auto}
.road h2.title{font-size:30px;margin-top:8px}
.tbar{display:flex;height:8px;border-radius:999px;overflow:hidden;gap:2px;margin:0 0 18px}.tbar a{display:block}
.slot{display:grid;grid-template-columns:72px 1fr;gap:14px;padding:16px 18px;margin-bottom:14px;border-radius:14px}
.slot .time b{display:block;font:800 26px/1 var(--display);color:var(--c)}
.slot .time div{color:var(--muted);font:11px/1.6 var(--mono);margin-top:4px}
.slot h3{margin:0 0 8px;font-size:18px}
.chips.tint span{background:color-mix(in srgb,var(--c) 12%,#fff);color:color-mix(in srgb,var(--c) 75%,#14213F);font-size:12px;font-weight:600;border-radius:7px;padding:3px 9px}
.task{border-top:1px solid var(--line);padding:10px 0 6px}
.task .row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.task .row b{font-size:14px}.task .spacer{flex:1}
.lvl{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:#E8FAF3;color:#0B9466}
.lvl.lvl-b{background:#FFF4DC;color:#B57800}.lvl.lvl-c{background:#FDE8EE;color:#D23A64}
.btn.sm{font-size:12px;padding:4px 10px}.btn.ghost{border-color:transparent;background:none}.btn.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.task .notes{color:var(--muted);font-size:12.5px;margin:4px 0}
pre.prompt{white-space:pre-wrap;background:#0F1A33;color:#E6ECFA;border-radius:10px;padding:12px;font:13px/1.55 var(--mono);margin:8px 0;display:none}
pre.prompt.open{display:block}
.copy-under{display:none}.copy-under.show{display:inline-flex;margin-bottom:6px}
/* Tab 3: mindmap — khung vẽ chấm bi + bảng bên phải */
section.panel.full{padding:0;margin:0 -16px}
.mm{display:grid;grid-template-columns:1fr 300px;height:calc(100vh - 63px);min-height:480px;background:var(--card)}
.mm-vp{position:relative;overflow:hidden;cursor:grab;touch-action:none;background-color:#FBFCFF;background-image:radial-gradient(circle,#D6DDEE 1.2px,transparent 1.3px);background-size:22px 22px}
.mm-vp.drag{cursor:grabbing}.mm-vp svg{position:absolute;inset:0;width:100%;height:100%}
.mm .node rect{fill:#fff;stroke-width:1.3}.mm .node{cursor:pointer}
.mm .node .bar{stroke:none}
.mm .node .kind{font:700 8.5px "Be Vietnam Pro",sans-serif;letter-spacing:.08em}
.mm .node .lbl{fill:var(--ink);font:600 12px "Be Vietnam Pro",sans-serif}
.mm .node.t-part rect:first-child{fill:#F7F9FF;stroke-width:2}
.mm .node.t-root rect{fill:var(--ink);stroke:var(--ink)}.mm .node.t-root .kind{fill:#FFB27E}.mm .node.t-root .lbl{fill:#fff;font:800 13px var(--display)}
.mm .node.sel rect:first-child{stroke-width:3;filter:drop-shadow(0 4px 10px rgba(20,33,63,.18))}
.mm .node:hover rect:first-child{filter:drop-shadow(0 3px 8px rgba(20,33,63,.12))}
.mm path.edge{fill:none;stroke-width:1.6;opacity:.55}
.mm-vp[data-only=part] .t-concept,.mm-vp[data-only=part] .t-task,.mm-vp[data-only=concept] .t-task,.mm-vp[data-only=concept] .t-part:not(.node),.mm-vp[data-only=task] .t-concept{opacity:.15}
.mm-vp[data-only=concept] .node.t-part,.mm-vp[data-only=task] .node.t-part,.mm-vp[data-only=concept] .node.t-root,.mm-vp[data-only=task] .node.t-root,.mm-vp[data-only=part] .node.t-root{opacity:.5}
.mm-ctl{position:absolute;bottom:14px;display:flex;gap:6px;z-index:2}
.mm-legend{left:14px}.mm-zoom{right:14px}
.mm-legend button{border:1px solid var(--line);background:#fff;color:var(--ink);font:600 12px "Be Vietnam Pro",sans-serif;padding:5px 12px;border-radius:999px;cursor:pointer}
.mm-legend button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.mm-zoom .btn{padding:6px 12px}
.mm-side{border-left:1px solid var(--line);padding:18px;overflow:auto;display:flex;flex-direction:column}
.mm-side #mm-info{flex:1}.mm-side h3{margin:2px 0 8px;font-size:20px}
.mm-side .kind{font-size:11px;font-weight:800;letter-spacing:.08em}
.mm-side ul{margin:4px 0;padding-left:18px;font-size:14px}
.mm-foot{border-top:1px solid var(--line);padding-top:12px;margin-top:12px;color:var(--muted);font-size:12px;text-align:center}
.mm:fullscreen{height:100vh}
/* Tab 4: case & prompt — cột giữa ~1000px, màu theo case (--c) */
.lib{max-width:1000px;margin:0 auto}
.cases{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.case{padding:16px 18px;border-top:4px solid var(--c);border-radius:14px;display:flex;flex-direction:column}
.case-head{display:flex;gap:12px;align-items:center;margin-bottom:8px}
.gnum{flex:none;width:40px;height:40px;border-radius:12px;background:var(--c);color:#fff;display:grid;place-items:center;font:800 18px/1 var(--display)}
.case .tag{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--c)}
.case h3{margin:0;font-size:20px;line-height:1.2}
.case p{color:var(--ink2);margin:0 0 10px;font-size:14px}
.case-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px;flex:1}
.case ul,.case ol{margin:0 0 10px;padding-left:18px;font-size:13px;line-height:1.6}
.sub{font-size:11px;font-weight:800;letter-spacing:.06em;color:var(--muted);margin:2px 0 4px}
.pfoot{border:1px solid var(--line);border-radius:10px;background:#FAFBFF;margin-top:8px}
.pfoot summary{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 8px 7px 12px;cursor:pointer;font-size:13px;font-weight:700;list-style:none}
.pfoot summary::-webkit-details-marker{display:none}
.pfoot summary span::before{content:"▸ ";color:var(--muted)}.pfoot[open] summary span::before{content:"▾ "}
.pfoot pre.prompt{margin:0 8px 8px}
.genre-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.genre,.mini{display:grid;gap:4px;align-content:start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px}
.genre b,.mini b{font-size:14px}.genre span,.mini span{font-size:13px;color:var(--ink2)}.genre small{font-size:11.5px;color:var(--muted)}
.not-good{margin-top:12px;background:#FDF1F4;border-radius:10px;padding:10px 14px;font-size:13.5px;color:var(--ink2)}.not-good b{color:var(--ink)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.talk-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.talk p{margin:4px 0 0;font:12.5px/1.55 var(--mono);color:var(--ink2);white-space:pre-wrap;max-height:9.5em;overflow:auto}
h3.sec{margin:32px 0 12px;font-size:24px}
.tip{padding:14px}.tip b{display:block}.tip span{color:var(--muted);font-size:14px}
@media (max-width:1000px){.genre-grid{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:1fr 1fr}}
@media (max-width:720px){.cases,.grid3,.case-cols{grid-template-columns:1fr}}
footer{border-top:1px solid var(--line);padding:20px 0 40px;color:var(--muted);font-size:13px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:8px 16px;border-radius:999px;font-size:14px;opacity:0;transition:.2s;pointer-events:none}
.toast.show{opacity:1}
@media (max-width:1000px){header.top{flex-wrap:wrap}nav.tabs{order:3;flex-basis:100%;margin-left:0}.mm{grid-template-columns:1fr;grid-template-rows:1fr 220px;height:calc(100vh - 120px)}.mm-side{border-left:0;border-top:1px solid var(--line)}.hl{grid-template-columns:repeat(2,1fr)}}
@media (max-width:820px){.card.main{padding:18px}.guide{grid-template-columns:1fr}.toc{position:static;max-height:none}.slot{grid-template-columns:1fr;gap:6px}h2.title{font-size:23px}.grid{grid-template-columns:1fr}}

.hl .card:nth-child(1){border-left:4px solid var(--blue)}.hl .card:nth-child(2){border-left:4px solid var(--grape)}.hl .card:nth-child(3){border-left:4px solid var(--orange)}.hl .card:nth-child(4){border-left:4px solid var(--pink)}