/* Holon Blocks — shared learner-facing block styles (editor canvas + player) */
.hb-canvas{max-width:820px;margin:0 auto;padding:8px 0 80px;font-family:var(--font,'Archivo',system-ui,sans-serif);color:var(--text,#102a36);line-height:1.65;font-size:17px;}
.hb{position:relative;margin:0 0 34px;}
.hb-h{font-family:var(--font-display,'Fraunces',Georgia,serif);font-weight:600;letter-spacing:-.015em;margin:0;line-height:1.2;}
.hb-h1{font-size:44px;} .hb-h2{font-size:32px;} .hb-h3{font-size:24px;}
.hb-statement{font-family:var(--font-display,'Fraunces',Georgia,serif);font-size:30px;line-height:1.3;font-weight:500;padding:26px 0;border-top:3px solid var(--gold,#dd9f33);border-bottom:1px solid var(--border,#e0d8c6);}
.hb-p{font-size:17px;} .hb-p p{margin:0 0 14px;} .hb-p p:last-child{margin-bottom:0;}
.hb-p a,.hb-callout a{color:var(--teal,#0e8585);}
.hb-p ul,.hb-p ol,.hb-list ul,.hb-list ol{padding-left:26px;margin:0;} .hb-list li{margin:6px 0;}
.hb-list.check ul{list-style:none;padding-left:4px;} .hb-list.check li{padding-left:30px;position:relative;}
.hb-list.check li::before{content:'✓';position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;background:var(--teal-light,#e3efee);color:var(--teal-dark,#0a6a6a);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.hb-quote{margin:0;padding:8px 0 8px 28px;border-left:4px solid var(--gold,#dd9f33);font-family:var(--font-display,'Fraunces',Georgia,serif);font-size:24px;line-height:1.4;font-style:italic;}
.hb-quote cite{display:block;margin-top:12px;font-family:var(--font,'Archivo',sans-serif);font-style:normal;font-size:14px;color:var(--muted,#6b6256);text-transform:uppercase;letter-spacing:.14em;}
.hb-callout{border-radius:14px;padding:20px 22px 20px 64px;position:relative;border:1px solid var(--border,#e0d8c6);background:#fff;}
.hb-callout::before{position:absolute;left:20px;top:18px;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;}
.hb-callout .hb-ct{font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px;}
.hb-callout.note{background:var(--teal-light,#e3efee);border-color:transparent;} .hb-callout.note::before{content:'i';background:var(--teal,#0e8585);color:#fff;} .hb-callout.note .hb-ct{color:var(--teal-dark,#0a6a6a);}
.hb-callout.tip{background:#eef6ea;border-color:transparent;} .hb-callout.tip::before{content:'★';background:#2f7d3a;color:#fff;} .hb-callout.tip .hb-ct{color:#2f7d3a;}
.hb-callout.warning{background:var(--gold-soft,#f7ead0);border-color:transparent;} .hb-callout.warning::before{content:'!';background:var(--gold,#dd9f33);color:#fff;} .hb-callout.warning .hb-ct{color:#8a5a0e;}
.hb-callout.important{background:#fbeae7;border-color:transparent;} .hb-callout.important::before{content:'!';background:var(--red,#b42318);color:#fff;} .hb-callout.important .hb-ct{color:var(--red,#b42318);}
.hb-img{margin:0;text-align:center;} .hb-img img{max-width:100%;border-radius:14px;display:block;margin:0 auto;}
.hb-img.w-medium img{max-width:60%;} .hb-img.w-full{margin:0 -60px;} .hb-img.w-full img{border-radius:0;max-width:calc(100% + 0px);width:100%;}
.hb-img figcaption,.hb-cap{margin-top:10px;font-size:14px;color:var(--muted,#6b6256);text-align:center;}
.hb-imgtext{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;} .hb-imgtext img{width:100%;border-radius:14px;display:block;}
.hb-imgtext.right .hb-imgtext-media{order:2;}
.hb-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;} .hb-gallery figure{margin:0;} .hb-gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;display:block;}
.hb-video video,.hb-video iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:14px;background:#000;display:block;}
.hb-audio{background:#fff;border:1px solid var(--border,#e0d8c6);border-radius:14px;padding:16px 18px;} .hb-audio audio{width:100%;display:block;}
.hb-embed iframe{width:100%;border:0;border-radius:14px;background:#fff;}
.hb-doc{display:flex;align-items:center;gap:16px;padding:16px 18px;background:#fff;border:1px solid var(--border,#e0d8c6);border-radius:14px;text-decoration:none;color:inherit;}
.hb-doc .hb-doc-ico{width:44px;height:44px;border-radius:10px;background:var(--teal-light,#e3efee);color:var(--teal-dark,#0a6a6a);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;letter-spacing:.06em;}
.hb-doc .hb-doc-t{font-weight:600;} .hb-doc .hb-doc-s{font-size:13px;color:var(--muted,#6b6256);}
.hb-acc{border-top:1px solid var(--border,#e0d8c6);} .hb-acc-item{border-bottom:1px solid var(--border,#e0d8c6);}
.hb-acc-h{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 4px;cursor:pointer;font-weight:600;font-size:18px;background:none;border:0;width:100%;text-align:left;color:inherit;font-family:inherit;}
.hb-acc-h::after{content:'+';font-size:24px;color:var(--teal,#0e8585);transition:.2s;flex-shrink:0;} .hb-acc-item.open .hb-acc-h::after{transform:rotate(45deg);}
.hb-acc-b{display:none;padding:0 4px 20px;font-size:16px;} .hb-acc-item.open .hb-acc-b{display:block;}
.hb-tabs-nav{display:flex;gap:4px;border-bottom:2px solid var(--border,#e0d8c6);margin-bottom:18px;overflow-x:auto;}
.hb-tab-btn{background:none;border:0;padding:12px 18px;font-family:inherit;font-size:15px;font-weight:600;color:var(--muted,#6b6256);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;white-space:nowrap;}
.hb-tab-btn.active{color:var(--teal-dark,#0a6a6a);border-bottom-color:var(--teal,#0e8585);} .hb-tab-pane{display:none;font-size:16px;} .hb-tab-pane.active{display:block;}
.hb-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;}
.hb-card{perspective:1200px;min-height:200px;cursor:pointer;} .hb-card-in{position:relative;width:100%;height:100%;min-height:200px;transition:transform .5s;transform-style:preserve-3d;}
.hb-card.flipped .hb-card-in{transform:rotateY(180deg);}
.hb-card-f,.hb-card-b{position:absolute;inset:0;backface-visibility:hidden;border-radius:14px;padding:22px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:17px;}
.hb-card-f{background:#fff;border:1px solid var(--border,#e0d8c6);box-shadow:0 1px 2px rgba(16,42,54,.05);} .hb-card-b{background:var(--navy,#102a36);color:#fff;transform:rotateY(180deg);}
.hb-kc{background:#fff;border:1px solid var(--border,#e0d8c6);border-radius:16px;padding:26px 28px;}
.hb-kc-k{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-dark,#0a6a6a);margin-bottom:10px;}
.hb-kc-q{font-family:var(--font-display,'Fraunces',Georgia,serif);font-size:24px;font-weight:600;margin-bottom:18px;line-height:1.3;}
.hb-kc-o{display:flex;align-items:center;gap:14px;padding:14px 16px;border:2px solid var(--border,#e0d8c6);border-radius:12px;margin-bottom:10px;cursor:pointer;font-size:16px;transition:.15s;background:#fff;}
.hb-kc-o:hover{border-color:var(--teal,#0e8585);} .hb-kc-o.sel{border-color:var(--teal,#0e8585);background:var(--teal-light,#e3efee);}
.hb-kc-o.ok{border-color:#2f7d3a;background:#eef6ea;} .hb-kc-o.bad{border-color:var(--red,#b42318);background:#fbeae7;}
.hb-kc-o .hb-kc-r{width:20px;height:20px;border-radius:50%;border:2px solid currentColor;opacity:.4;flex-shrink:0;} .hb-kc-o.sel .hb-kc-r{opacity:1;background:var(--teal,#0e8585);border-color:var(--teal,#0e8585);}
.hb-kc-btn{margin-top:8px;background:var(--teal,#0e8585);color:#fff;border:0;border-radius:10px;padding:12px 22px;font-family:inherit;font-weight:700;font-size:15px;cursor:pointer;} .hb-kc-btn:disabled{opacity:.5;cursor:default;}
.hb-kc-res{margin-top:14px;padding:14px 16px;border-radius:10px;font-size:15px;} .hb-kc-res.pass{background:#eef6ea;color:#2f7d3a;} .hb-kc-res.fail{background:#fbeae7;color:var(--red,#b42318);}
.hb-btnrow{display:flex;justify-content:center;} .hb-btn{display:inline-block;background:var(--teal,#0e8585);color:#fff;text-decoration:none;font-weight:700;padding:14px 28px;border-radius:12px;font-size:16px;}
.hb-btn.outline{background:transparent;color:var(--teal-dark,#0a6a6a);border:2px solid var(--teal,#0e8585);} .hb-btn.gold{background:var(--gold,#dd9f33);color:#102a36;}
.hb-div{border:0;height:1px;background:var(--border,#e0d8c6);margin:10px 0;} .hb-div.space{background:transparent;height:40px;}
.hb-div.dots{background:none;height:auto;text-align:center;color:var(--gold,#dd9f33);letter-spacing:14px;font-size:20px;}
.hb-cols{display:grid;grid-template-columns:repeat(var(--n,2),1fr);gap:28px;} .hb-cols .hb-col{font-size:16px;}
.hb-col p{margin:0 0 12px;}
.hb-empty{color:var(--muted,#6b6256);font-style:italic;}
@media (max-width:760px){.hb-h1{font-size:34px;}.hb-h2{font-size:27px;}.hb-imgtext,.hb-cols{grid-template-columns:1fr;}.hb-img.w-full{margin:0;}.hb-img.w-medium img{max-width:100%;}}