/* All colour/type/spacing tokens come from the single source, theme.css. */
@import url('theme.css');
/* One intentional override: wrapper / landing pages use the amber accent
   (theme.css keeps --accent blue for content pages). */
:root{--accent:#FFB347;--accent-light:#FFF5E6;}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Outfit',sans-serif;background:var(--cream);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;background-image:radial-gradient(circle,var(--border) 1px,transparent 1px);background-size:28px 28px;opacity:.4;pointer-events:none;z-index:0}
.topnav{position:fixed;top:0;left:0;right:0;z-index:200;background:#fff;border-bottom:1.5px solid var(--border);height:52px;padding:0 2rem;display:flex;align-items:center;justify-content:flex-end}.topnav .nav-logo{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}@media(max-width:520px){.topnav-links{display:none!important}}
.nav-logo{font-family:'Outfit',sans-serif;font-size:1.3rem;font-weight:800;letter-spacing:-.02em;color:var(--ink);text-decoration:none;cursor:pointer;background:none;border:none}
.nav-logo span{color:var(--sky)}
.topnav-links{display:flex;gap:1.2rem;align-items:center}
.topnav-links a,.topnav-links button{font-size:.85rem;font-weight:600;color:var(--muted);text-decoration:none;transition:color .2s;background:none;border:none;cursor:pointer;font-family:'Outfit',sans-serif}
.topnav-links a:hover,.topnav-links button:hover{color:var(--sky)}
.sidebar-toggle{display:none;align-items:center;gap:.4rem;background:none;border:none;cursor:pointer;color:var(--ink);padding:.3rem}
.sidebar-toggle svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2}

/* ── App shell: sidebar + content pane ── */
.app-shell{display:flex;align-items:flex-start;padding-top:52px;min-height:100vh;position:relative;z-index:201}
.sidebar{width:300px;flex-shrink:0;height:calc(100vh - 52px);position:sticky;top:52px;overflow-y:auto;background:var(--card);border-right:1.5px solid var(--border);box-shadow:2px 0 12px rgba(45,48,71,.05);padding:3.2rem 1rem 3rem}



.list-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:.9rem}
.group-head{font-family:Outfit,sans-serif;font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);padding:.42rem 1rem;background:var(--cream);border-bottom:1.5px solid var(--border)}
.row{display:flex;align-items:center;gap:.7rem;padding:.68rem .9rem;text-decoration:none;color:var(--ink);transition:background .04s linear;width:100%;background:none;border:none;border-radius:8px;cursor:pointer;font-family:'Outfit',sans-serif;text-align:left;line-height:1.6}

.row.avail:hover{background:color-mix(in srgb,var(--ink) 6%,var(--card));color:var(--ink)}
.row.avail:active{background:color-mix(in srgb,var(--ink) 10%,var(--card));color:var(--ink)}
.cat-toggle:active{background:var(--cream)}
.sidebar,.sidebar *{-webkit-tap-highlight-color:transparent}
.cat-toggle,.row,.sidebar-toggle,.sidebar-collapse-btn{touch-action:manipulation}
.row.avail.active,.row.avail.active:hover,.row.avail.active:active{background:var(--sky)}
.row.active .row-name{color:#fff}
.row.active .row-arr{color:#fff}
.row.soon{opacity:.4;cursor:default}
.row-icon{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.row-icon svg{width:15px;height:15px;stroke-width:1.8;fill:none;stroke:currentColor}
.row-text{flex:1;min-width:0}
.row-name{font-size:.85rem;font-weight:700;line-height:1.25;display:flex;align-items:center;gap:.55rem}
.sidebar .row-name::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--sky);flex-shrink:0}
.sidebar .row.active .row-name::before{background:#fff}
.level-rows .row-name::before,.cat-group[data-cat="ielts"] .cat-rows .row-name::before,.cat-group[data-cat="toefl"] .cat-rows .row-name::before,.cat-group[data-cat="oet"] .cat-rows .row-name::before{display:none}
.row-desc{font-size:.68rem;color:var(--muted);font-weight:400;margin-top:.05rem;line-height:1.35}
.row-arr{font-size:.85rem;color:var(--muted);transition:transform .15s;flex-shrink:0}
.row.avail:hover .row-arr{transform:translateX(3px)}
.soon-tag{font-family:Outfit,sans-serif;font-size:.56rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--cream);border:1.5px solid var(--border);border-radius:5px;padding:.12rem .45rem;flex-shrink:0}
.sidebar-backdrop{display:none}

.content-pane{flex:1;min-width:0;position:relative;z-index:1}
.empty-pane{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:7rem 2rem;color:var(--muted);min-height:60vh}
.empty-pane-badge{display:inline-flex;align-items:center;gap:.4rem;font-size:.65rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--sky);background:var(--sky-light);padding:.3rem .9rem;border-radius:6px;margin-bottom:1rem}
.empty-pane h2{font-family:'Outfit',sans-serif;font-size:1.7rem;font-weight:900;color:var(--ink);margin-bottom:.6rem;letter-spacing:-.01em}
.empty-pane p{font-size:.92rem;max-width:360px;line-height:1.6}

/* ── Topic view (lives inside .content-pane) ── */
#view-topic{display:none;position:relative;z-index:1}
.page-header{padding:2.6rem 2.4rem 1.5rem;max-width:900px;margin:0 auto;position:relative;z-index:1}
.back-link{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;font-weight:600;color:var(--muted);text-decoration:none;margin-bottom:1.2rem;transition:color .2s;background:none;border:none;cursor:pointer;font-family:'Outfit',sans-serif;padding:0}
.back-link:hover{color:var(--sky)}
.back-link svg{width:14px;height:14px;flex-shrink:0}
.topic-hero{display:flex;align-items:flex-start;gap:1.2rem}
.topic-icon{width:52px;height:52px;border-radius:12px;background:var(--accent-light);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.topic-icon svg{width:24px;height:24px;stroke-width:1.8;fill:none;stroke:currentColor}
.page-header h1{font-family:'Outfit',sans-serif;font-size:clamp(1.8rem,4vw,2.6rem);font-weight:900;letter-spacing:-.01em;line-height:1.1;margin-bottom:.4rem}
.tabs-wrap{max-width:900px;margin:0 auto;padding:0 2rem;position:relative;z-index:1}
.tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:2rem;align-items:center}
.tab{font-family:'Outfit',sans-serif;font-size:.88rem;font-weight:700;padding:.7rem 1.4rem;border:none;background:none;color:var(--muted);cursor:pointer;border-bottom:2.5px solid transparent;margin-bottom:-2px;transition:color .2s}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.main{max-width:900px;margin:0 auto;padding:0 2rem 4rem;position:relative;z-index:1}
.panel{display:none}
.panel.active{display:block}
.level-select{margin-bottom:1.7rem}
.level-label{display:block;font-family:Outfit,sans-serif;font-size:.66rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.6rem}
.segmented{display:inline-flex;flex-wrap:wrap;gap:.25rem;background:var(--card);border:1.5px solid var(--border);border-radius:16px;padding:.3rem;box-shadow:var(--shadow-sm)}
.seg{font-family:'Outfit',sans-serif;display:flex;flex-direction:column;align-items:flex-start;gap:.1rem;padding:.5rem 1rem;border:none;border-radius:12px;background:transparent;color:var(--ink);cursor:pointer;transition:all .18s;text-align:left;line-height:1.25}
.seg:hover{background:var(--cream)}
.seg .seg-main{font-size:.82rem;font-weight:800;letter-spacing:.01em}
.seg .seg-sub{font-size:.65rem;font-weight:500;color:var(--muted)}
.seg.active{background:var(--ink);color:#fff}
.seg.active .seg-sub{color:rgba(255,255,255,.7)}
@media(max-width:600px){.segmented{width:100%;justify-content:space-between}.seg{flex:1;align-items:center;text-align:center;padding:.5rem .3rem}.seg .seg-main{font-size:.74rem;white-space:nowrap}.seg .seg-sub{font-size:.6rem}}
.pos-card{margin-bottom:1rem;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .18s,transform .18s}
.pos-card:hover{box-shadow:var(--shadow-md)}
.pos-head{display:flex;align-items:center;gap:.6rem;padding:.85rem 1.1rem;cursor:pointer;user-select:none;background:var(--post,var(--cream));transition:filter .12s}
.pos-head:hover{filter:brightness(.97)}
.pos-label{font-size:.85rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:var(--ink)}
.pos-count{font-family:Outfit,sans-serif;font-size:.66rem;font-weight:600;color:var(--ink);opacity:.55;background:rgba(255,255,255,.55);padding:.1rem .5rem;border-radius:20px}
.pos-chevron{margin-left:auto;font-size:.7rem;color:var(--ink);opacity:.45;transition:transform .2s}
.pos-card.collapsed .pos-chevron{transform:rotate(-90deg)}
.pos-card.collapsed .pos-body{display:none}
.pos-body{padding:.2rem 0}
.word-row{border-bottom:1px solid var(--border);cursor:pointer;transition:background .12s;padding:.65rem 1.1rem}
.word-row:last-child{border-bottom:none}
.word-row:hover,.word-row.open{background:var(--cream)}
.wr-main{display:flex;align-items:center;gap:.5rem}
.wr-term{font-weight:800;font-size:.92rem;line-height:1.4}
.wr-arr{margin-left:auto;font-size:1rem;color:var(--border);transition:transform .15s,color .15s;flex-shrink:0;padding-left:.5rem}
.word-row.open .wr-arr{transform:rotate(90deg);color:var(--muted)}
.wr-def{font-size:.82rem;color:var(--muted);line-height:1.4;margin-top:.18rem}
.wr-ex{display:none;font-size:.79rem;font-style:italic;color:var(--ink);opacity:.85;margin-top:.4rem;padding:.5rem .7rem;border-radius:8px;background:var(--post,var(--cream));line-height:1.5}
.word-row.open .wr-ex{display:block}
.conv-controls{display:flex;align-items:center;gap:.5rem;margin-bottom:1.2rem}
.conv-ctrl-label{font-family:Outfit,sans-serif;font-size:.65rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-right:.2rem}
.conv-hide-btn{font-family:'Outfit',sans-serif;font-size:.8rem;font-weight:700;padding:.35rem .8rem;border:1.5px solid var(--border);border-radius:20px;background:var(--card);color:var(--muted);cursor:pointer;transition:all .18s}
.conv-hide-btn:hover{border-color:var(--ink);color:var(--ink)}
.conv-hide-btn.active-a{background:var(--sky);border-color:var(--sky);color:#fff}
.conv-hide-btn.active-b{background:var(--sea);border-color:var(--sea);color:#fff}
.hide-a .conv-speaker-a ~ span{visibility:hidden}
.hide-b .conv-speaker-b ~ span{visibility:hidden}
.conv-section{margin-bottom:1.4rem;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.conv-section.collapsed .cat-body{display:none}
.conv-section.collapsed .cat-chevron{transform:rotate(-90deg)}
.conv-header{display:flex;align-items:center;justify-content:space-between;gap:.7rem;padding:.5rem 1rem;background:var(--sea-light);border-bottom:1.5px solid var(--border);cursor:pointer;user-select:none}
.conv-title{font-family:'Outfit',sans-serif;font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--sea)}
.conv-entry{border-bottom:1px solid var(--border);padding:.65rem 1rem}
.conv-entry:last-child{border-bottom:none}
.conv-dialogue{display:flex;flex-direction:column;gap:.25rem;margin-bottom:.35rem}
.conv-line{font-size:.82rem;line-height:1.5;display:grid;grid-template-columns:16px 1fr;gap:.5rem}
.conv-speaker{font-family:Outfit,sans-serif;font-size:.6rem;font-weight:700;padding-top:.18rem}
.conv-speaker-a{color:var(--sky)}
.conv-speaker-b{color:var(--sea)}
.conv-note{font-size:.73rem;color:var(--muted);font-style:italic;padding-left:24px}
.print-btn{margin-left:auto;display:inline-flex;align-items:center;gap:.45rem;font-family:'Outfit',sans-serif;font-size:.82rem;font-weight:600;padding:.45rem .9rem;border:1.5px solid var(--border);border-radius:10px;background:var(--card);color:var(--ink);cursor:pointer;transition:all .18s;flex-shrink:0}
.print-btn:hover{border-color:var(--ink);background:var(--ink);color:var(--cream)}
@media print{.print-btn{display:none}}
.empty-state{text-align:center;padding:3rem;color:var(--muted);font-size:.9rem}
.tap-hint{font-size:.75rem;color:var(--muted);margin-bottom:.8rem;font-style:italic}.sidebar-collapse-btn{position:fixed;top:9px;left:16px;width:34px;height:34px;border-radius:50%;background:var(--card);border:1.5px solid var(--border);color:var(--muted);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);cursor:pointer;z-index:210;transition:background .15s,border-color .15s,color .15s,box-shadow .15s}.sidebar-collapse-btn:hover{background:var(--sky);border-color:var(--sky);color:#fff;box-shadow:var(--shadow-md)}.sidebar-collapse-btn:focus{outline:none}.sidebar-collapse-btn:focus-visible{background:var(--sky);border-color:var(--sky);color:#fff}.sidebar-collapse-btn svg{width:17px;height:17px;stroke-width:2.4;transition:transform .2s ease}
.sidebar{scrollbar-width:none}.sidebar::-webkit-scrollbar{display:none}
@media(max-width:900px){
  .sidebar-toggle{display:inline-flex}
  .sidebar-collapse-btn{top:auto;left:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));width:auto;height:auto;padding:.65rem .6rem;border-radius:14px;background:var(--ink);border:none;color:#fff;box-shadow:0 1px 0 rgba(0,0,0,.12),var(--shadow-md);z-index:220;display:flex;align-items:center;gap:.35rem;touch-action:none;-webkit-user-select:none;user-select:none}
  .sidebar-collapse-btn svg{width:18px;height:18px;flex-shrink:0}
  .sidebar-collapse-btn::after{content:'Menu';font-family:'Outfit',sans-serif;font-size:.7rem;font-weight:700;letter-spacing:.01em}
  .sidebar.open~.sidebar-collapse-btn svg{transform:rotate(180deg)}
  .app-shell{padding-top:52px}
  .sidebar{position:fixed;top:52px;left:0;bottom:0;width:72vw;max-width:280px;transform:translateX(-100%);transition:transform .25s ease;z-index:160;background:var(--card);box-shadow:var(--shadow-md)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-backdrop{display:none;position:fixed;inset:52px 0 0 0;background:rgba(45,48,71,.35);z-index:150}
  .sidebar-backdrop.open{display:block}
  .content-pane{width:100%}
}
@media(max-width:600px){.page-header{padding:1.8rem 1.2rem 1.2rem}.main,.tabs-wrap{padding:0 1.2rem 3rem}.empty-pane{padding:4rem 1.2rem}}

/* ── Sitewide category accordion (single shell) - folder-tab styling ──
   Closed rows stay flat (just a colour spine, no divider lines, no boxed
   rectangles) so the list reads as one strip, not a stack of cards. Only
   the OPEN category gets a real tab treatment: rounded, shadowed, and
   pushed out past the sidebar edge like a folder tab pulled forward. */
.cat-group{background:transparent;border:none;overflow:hidden;margin:0;box-shadow:none;position:relative}
.cat-group.open .cat-toggle{border-color:var(--sky)}
.cat-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;gap:.5rem;border:1px solid transparent;background:transparent;border-radius:8px;cursor:pointer;font-family:Outfit,sans-serif;font-size:.74rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:var(--ink);padding:.65rem .8rem;transition:background .08s linear,color .08s linear,border-color .08s ease-out;text-align:left}
.cat-toggle:focus{outline:none}
.cat-toggle:focus-visible{background:var(--cream);color:var(--ink)}
.cat-group.open .cat-toggle{color:var(--ink)}
.cat-toggle:hover{background:color-mix(in srgb,var(--ink) 6%,var(--card));color:var(--ink)}
.cat-chevron{font-size:.7rem;flex-shrink:0;transition:transform .06s ease-out}
.cat-group.open .cat-chevron{transform:rotate(180deg)}
.cat-rows{max-height:0;overflow:hidden}.cat-group.open>.cat-rows{padding-top:.3rem}.level-toggle{width:100%;display:flex;align-items:center;justify-content:flex-start;gap:.55rem;border:none;background:transparent;border-radius:8px;cursor:pointer;font-family:Outfit,sans-serif;font-size:.85rem;font-weight:700;text-transform:none;letter-spacing:normal;color:var(--ink);padding:.68rem .9rem;line-height:1.25;transition:background .04s linear,color .04s linear}.level-toggle::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--sky);flex-shrink:0}.level-toggle:hover{background:color-mix(in srgb,var(--ink) 6%,var(--card));color:var(--ink)}.level-group.open .level-toggle{background:var(--sky);color:#fff}.level-group.open .level-toggle::before{background:#fff}.level-chevron{font-size:.72rem;flex-shrink:0;margin-left:auto;transform:rotate(-90deg);transition:transform .06s ease-out}.level-group.open .level-chevron{transform:rotate(180deg)}.level-rows{max-height:0;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;gap:.4rem;padding:0 .2rem}.level-group.open .level-rows{padding:.35rem .2rem .1rem}.level-rows .row{flex-direction:column;justify-content:center;gap:.3rem;text-align:center;border:1.5px solid var(--border);border-radius:9px;padding:.6rem .3rem;font-size:.72rem}.level-rows .row-icon-sm{width:15px;height:15px;flex-shrink:0;color:var(--muted);stroke-width:1.8;fill:none;stroke:currentColor}.level-rows .row-text{flex:none}.level-rows .row-name{font-size:.68rem;line-height:1.2}.level-rows .row-arr{display:none}.level-rows .row.avail.active,.level-rows .row.avail.active:hover,.level-rows .row.avail.active:active{background:var(--sky-light);border-color:var(--sky)}.level-rows .row.active .row-name{color:var(--sky)}.level-rows .row.active .row-icon-sm{color:var(--sky)}.sidebar.js-anim .level-rows{transition:max-height .06s ease-out,padding .06s ease-out}
.sidebar.js-anim .cat-rows{transition:max-height .06s ease-out,padding .06s ease-out}
.cat-group[data-cat="ielts"] .cat-rows{display:grid;grid-template-columns:1fr 1fr;gap:.4rem;padding:0 .2rem}
.cat-group[data-cat="ielts"].open>.cat-rows{padding:.35rem .2rem .1rem}
.cat-group[data-cat="ielts"] .cat-rows .row{flex-direction:column;justify-content:center;gap:.3rem;text-align:center;border:1.5px solid var(--border);border-radius:9px;padding:.6rem .3rem;font-size:.72rem}
.cat-group[data-cat="ielts"] .cat-rows .row-icon-sm{width:15px;height:15px;flex-shrink:0;color:var(--muted);stroke-width:1.8;fill:none;stroke:currentColor}
.cat-group[data-cat="ielts"] .cat-rows .row-text{flex:none}
.cat-group[data-cat="ielts"] .cat-rows .row-name{font-size:.68rem;line-height:1.2}
.cat-group[data-cat="ielts"] .cat-rows .row-arr{display:none}
.cat-group[data-cat="ielts"] .cat-rows .row.avail.active,.cat-group[data-cat="ielts"] .cat-rows .row.avail.active:hover,.cat-group[data-cat="ielts"] .cat-rows .row.avail.active:active{background:var(--sky-light);border-color:var(--sky)}
.cat-group[data-cat="ielts"] .cat-rows .row.active .row-name{color:var(--sky)}
.cat-group[data-cat="ielts"] .cat-rows .row.active .row-icon-sm{color:var(--sky)}
.cat-group[data-cat="toefl"] .cat-rows{display:grid;grid-template-columns:1fr 1fr;gap:.4rem;padding:0 .2rem}
.cat-group[data-cat="toefl"].open>.cat-rows{padding:.35rem .2rem .1rem}
.cat-group[data-cat="toefl"] .cat-rows .row{flex-direction:column;justify-content:center;gap:.3rem;text-align:center;border:1.5px solid var(--border);border-radius:9px;padding:.6rem .3rem;font-size:.72rem}
.cat-group[data-cat="toefl"] .cat-rows .row-icon-sm{width:15px;height:15px;flex-shrink:0;color:var(--muted);stroke-width:1.8;fill:none;stroke:currentColor}
.cat-group[data-cat="toefl"] .cat-rows .row-text{flex:none}
.cat-group[data-cat="toefl"] .cat-rows .row-name{font-size:.68rem;line-height:1.2}
.cat-group[data-cat="toefl"] .cat-rows .row-arr{display:none}
.cat-group[data-cat="toefl"] .cat-rows .row.avail.active,.cat-group[data-cat="toefl"] .cat-rows .row.avail.active:hover,.cat-group[data-cat="toefl"] .cat-rows .row.avail.active:active{background:var(--sky-light);border-color:var(--sky)}
.cat-group[data-cat="toefl"] .cat-rows .row.active .row-name{color:var(--sky)}
.cat-group[data-cat="toefl"] .cat-rows .row.active .row-icon-sm{color:var(--sky)}
.cat-group[data-cat="oet"] .cat-rows{display:grid;grid-template-columns:1fr 1fr;gap:.4rem;padding:0 .2rem}
.cat-group[data-cat="oet"].open>.cat-rows{padding:.35rem .2rem .1rem}
.cat-group[data-cat="oet"] .cat-rows .row{flex-direction:column;justify-content:center;gap:.3rem;text-align:center;border:1.5px solid var(--border);border-radius:9px;padding:.6rem .3rem;font-size:.72rem}
.cat-group[data-cat="oet"] .cat-rows .row-icon-sm{width:15px;height:15px;flex-shrink:0;color:var(--muted);stroke-width:1.8;fill:none;stroke:currentColor}
.cat-group[data-cat="oet"] .cat-rows .row-text{flex:none}
.cat-group[data-cat="oet"] .cat-rows .row-name{font-size:.68rem;line-height:1.2}
.cat-group[data-cat="oet"] .cat-rows .row-arr{display:none}
.cat-group[data-cat="oet"] .cat-rows .row.avail.active,.cat-group[data-cat="oet"] .cat-rows .row.avail.active:hover,.cat-group[data-cat="oet"] .cat-rows .row.avail.active:active{background:var(--sky-light);border-color:var(--sky)}
.cat-group[data-cat="oet"] .cat-rows .row.active .row-name{color:var(--sky)}
.cat-group[data-cat="oet"] .cat-rows .row.active .row-icon-sm{color:var(--sky)}
.cat-group[data-cat="oet"] .cat-rows .soon-tag{display:block;margin-top:.1rem}
@media(prefers-reduced-motion:reduce){.cat-group,.sidebar.js-anim .cat-group,.row,.sidebar.js-anim .cat-rows,.sidebar.js-anim .level-rows,.cat-chevron,.level-chevron{transition:none}}

.nav-logo{display:inline-flex;align-items:center;gap:.4rem}
.nav-logo .nav-logo-text{color:var(--ink)}
.nav-logo-text span{color:#2176FF}
.nav-logo-icon{width:22px;height:22px;stroke-width:1.9;color:var(--sky);flex-shrink:0}
.sidebar-toggle{display:inline-flex;align-items:center;gap:.4rem;background:none;border:none;cursor:pointer;color:var(--ink);padding:.3rem;border-radius:8px;transition:background .15s}
.sidebar-toggle:hover{background:var(--border)}.sidebar-toggle:focus{outline:none}.sidebar-toggle:focus-visible{background:var(--border)}
.sidebar-toggle svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2}
.sidebar{overflow-x:hidden}
.sidebar>.cat-group,.sidebar>.list-card{min-width:268px}
@media(min-width:901px){
  .sidebar{transition:width .2s ease,padding .2s ease,border-color .2s ease;padding-top:4.4rem}
  .sidebar.collapsed{width:0;min-width:0;padding-left:0;padding-right:0;border-right-color:transparent;overflow:hidden}
  .sidebar.collapsed .cat-group{opacity:0}
  .sidebar-collapse-btn{top:53px;left:0;width:auto;height:auto;border-radius:0 10px 10px 0;padding:.85rem .55rem;background:var(--ink);border:none;color:#fff;box-shadow:var(--shadow-md);writing-mode:vertical-rl;letter-spacing:.05em;font-family:'Outfit',sans-serif;font-size:.78rem;font-weight:700;display:flex;align-items:center;justify-content:center;gap:.35rem}
  .sidebar-collapse-btn svg{display:none}
  .sidebar-collapse-btn::before{content:'Menu'}
  .sidebar-collapse-btn:hover{background:#1c1e2f;border-color:#1c1e2f;color:#fff}
}

html,body{height:100%}
.content-pane{padding:0;height:calc(100vh - 52px);overflow:hidden;background:var(--cream)}
.embed-frame{width:100%;height:100%;border:none;display:block;background:var(--cream);opacity:1;transition:opacity .18s ease}

/* ── Notes side panel (site-wide) ── */
.jpe-notes-toggle{position:fixed;top:50%;right:0;transform:translateY(-50%);background:var(--ink);color:#fff;border:none;padding:.9rem .5rem;border-radius:10px 0 0 10px;font-family:'Outfit',sans-serif;font-size:.74rem;font-weight:700;cursor:pointer;z-index:500;writing-mode:vertical-rl;letter-spacing:.06em;box-shadow:var(--shadow-md);transition:background .15s}
.jpe-notes-toggle:hover{background:#1c1e2f}
.jpe-notes-panel{position:fixed;top:0;right:-320px;width:300px;max-width:88vw;height:100vh;background:var(--card);border-left:1.5px solid var(--border);box-shadow:-10px 0 28px rgba(45,48,71,.14);z-index:510;transition:right .3s ease;display:flex;flex-direction:column;padding:1.4rem 1.2rem}
.jpe-notes-panel.open{right:0}
.jpe-np-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:.8rem;border-bottom:1.5px solid var(--border)}
.jpe-np-title{font-family:'Outfit',sans-serif;font-weight:800;font-size:1.05rem;letter-spacing:-.01em;color:var(--ink)}
.jpe-np-close{background:none;border:none;font-size:1.5rem;color:var(--muted);cursor:pointer;line-height:1;padding:0 .2rem}
.jpe-np-close:hover{color:var(--ink)}
.jpe-np-box{flex:1;width:100%;border:1.5px solid var(--border);border-radius:10px;padding:.9rem 1rem;font-family:'Outfit',sans-serif;font-size:.9rem;line-height:1.9;outline:none;color:var(--ink);background:var(--cream);resize:none;margin-bottom:1rem}
.jpe-np-box:focus{border-color:var(--ink);background:#fff}
.jpe-np-box::placeholder{color:var(--muted);font-style:italic}
.jpe-np-footer{display:flex;gap:.4rem;margin-top:1rem;padding-top:.9rem;border-top:1.5px solid var(--border)}
.jpe-np-btn{flex:1;font-family:'Outfit',sans-serif;font-size:.72rem;font-weight:700;padding:.5rem .3rem;border-radius:8px;border:1.5px solid var(--border);background:var(--card);color:var(--ink);cursor:pointer;transition:all .15s}
.jpe-np-btn:hover{border-color:var(--ink);color:var(--ink)}
.jpe-np-btn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.jpe-np-btn.primary:hover{background:#1c1e2f;border-color:#1c1e2f}
.jpe-np-btn.danger:hover{border-color:#D6453F;color:#D6453F}
@media(max-width:520px){.jpe-notes-toggle{padding:.7rem .4rem;font-size:.68rem}}

/* ── Annotation tool toolbar (hidden dev utility) ── */
#jpeAnnToolbar{display:none;position:fixed;top:53px;right:0;left:auto;z-index:9000;background:var(--ink);color:#fff;border-radius:10px 0 0 10px;padding:.65rem .7rem;font-family:'Outfit',sans-serif;box-shadow:var(--shadow-md);flex-direction:column;gap:.45rem;min-width:200px}
#jpeAnnToolbar.jpe-ann-open{display:flex}
#jpeAnnToolbar .jpe-ann-title{font-size:.78rem;font-weight:700}
#jpeAnnToolbar .jpe-ann-row{display:flex;gap:.35rem;flex-wrap:wrap;align-items:center}
#jpeAnnToolbar button{background:rgba(255,255,255,.12);color:#fff;border:none;border-radius:6px;padding:.35rem .55rem;font-size:.72rem;font-weight:600;cursor:pointer;font-family:'Outfit',sans-serif;transition:background .15s}
#jpeAnnToolbar button:hover{background:rgba(255,255,255,.24)}
#jpeAnnToolbar #jpeAnnPinToggle.jpe-ann-pin-on{background:var(--coral);color:#fff}
#jpeAnnToolbar #jpeAnnPinToggle.jpe-ann-pin-on:hover{background:#D6453F}
@media(max-width:900px){#jpeAnnToolbar{top:auto;right:16px;left:auto;bottom:calc(16px + env(safe-area-inset-bottom,0px));border-radius:14px}}