.aiza-catalog{width:100%;max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:28px;padding:8px 4px 32px}.aiza-catalog__intro{display:flex;flex-direction:column;gap:4px;text-align:center}.aiza-catalog__lede{margin:0;font-size:15px;color:var(--text-soft);line-height:1.5}.aiza-catalog__summary{margin:0;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--text-soft);opacity:.8}.aiza-catalog__hierarchy{display:flex;flex-direction:column;gap:18px}.aiza-catalog__empty{text-align:center;font-size:13.5px;color:var(--text-soft);padding:32px 12px;border:1px dashed var(--border);border-radius:14px;margin:0}.aiza-catalog__domains{width:100%;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.aiza-catalog__domains::-webkit-scrollbar{display:none}.aiza-catalog__domain-list{list-style:none;margin:0;padding:4px 2px;display:flex;gap:6px;flex-wrap:wrap}@media (max-width:720px){.aiza-catalog__domain-list{flex-wrap:nowrap}}.aiza-catalog__domain-item{display:flex}.aiza-catalog__domain-tab{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;border:1px solid var(--border);background:var(--bg-soft);color:var(--text-soft);font-size:13.5px;font-weight:600;letter-spacing:.01em;cursor:pointer;white-space:nowrap;transition:border-color .12s ease,color .12s ease,background .12s ease}.aiza-catalog__domain-tab:focus-visible,.aiza-catalog__domain-tab:hover{border-color:var(--border-strong);color:var(--text);outline:none}.aiza-catalog__domain-tab[data-active=true]{background:color-mix(in oklab,var(--primary,#4d7cff) 16%,var(--bg-soft));border-color:color-mix(in oklab,var(--primary,#4d7cff) 40%,var(--border));color:var(--text)}.aiza-catalog__domain-tab-count{font-size:11.5px;font-weight:700;padding:1px 7px;border-radius:999px;background:color-mix(in oklab,var(--text) 9%,transparent);color:var(--text-soft);min-width:22px;text-align:center}.aiza-catalog__domain-tab[data-active=true] .aiza-catalog__domain-tab-count{background:color-mix(in oklab,var(--primary,#4d7cff) 25%,transparent);color:var(--text)}.aiza-catalog__panel{display:flex;flex-direction:column;gap:14px}.aiza-catalog__panel-head{display:flex;flex-direction:column;gap:2px;padding:0 4px;text-align:center}.aiza-catalog__panel-title{margin:0;font-size:20px;font-weight:600;color:var(--text)}.aiza-catalog__panel-blurb{font-size:13px;color:var(--text-soft);line-height:1.45;max-width:56ch;margin:0 auto}.aiza-catalog__subs{width:100%;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.aiza-catalog__subs::-webkit-scrollbar{display:none}.aiza-catalog__sub-list{list-style:none;margin:0;padding:2px;display:flex;gap:6px;flex-wrap:wrap;justify-content:center}@media (max-width:720px){.aiza-catalog__sub-list{flex-wrap:nowrap;justify-content:flex-start}}.aiza-catalog__sub-item{display:flex}.aiza-catalog__sub-pill{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;border:1px solid transparent;background:color-mix(in oklab,var(--text) 4%,transparent);color:var(--text-soft);font-size:12.5px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .12s ease,color .12s ease,border-color .12s ease}.aiza-catalog__sub-pill:focus-visible,.aiza-catalog__sub-pill:hover{color:var(--text);background:color-mix(in oklab,var(--text) 8%,transparent);outline:none}.aiza-catalog__sub-pill[data-active=true]{background:color-mix(in oklab,var(--primary,#4d7cff) 20%,transparent);border-color:color-mix(in oklab,var(--primary,#4d7cff) 30%,var(--border));color:var(--text)}.aiza-catalog__sub-pill-count{font-size:11px;font-weight:700;opacity:.75}.aiza-catalog__sub-panel{display:flex;flex-direction:column;gap:10px}.aiza-catalog__sub-blurb{margin:0;padding:0 4px;font-size:12.5px;color:var(--text-soft);line-height:1.45;text-align:center}.aiza-catalog__grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:10px;gap:10px}.aiza-catalog__cell{display:flex}.aiza-catalog__card{flex:1 1 auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;grid-gap:12px;gap:12px;padding:12px 14px;background:var(--bg-soft);border:1px solid var(--border);border-radius:14px;text-align:left;cursor:pointer;color:var(--text);transition:transform .12s ease,border-color .12s ease,box-shadow .12s ease}.aiza-catalog__card:focus-visible,.aiza-catalog__card:hover{border-color:var(--border-strong);transform:translateY(-1px);box-shadow:0 4px 14px color-mix(in oklab,var(--text) 8%,transparent);outline:none}.aiza-catalog__card[data-status=planned]{background:color-mix(in oklab,var(--bg-soft) 92%,var(--bg) 8%);opacity:.94}.aiza-catalog__card[data-ready=true]{border-color:color-mix(in oklab,var(--primary,#4d7cff) 35%,var(--border))}.aiza-catalog__card-emoji{font-size:24px;line-height:1;width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:color-mix(in oklab,var(--primary,#4d7cff) 8%,transparent)}.aiza-catalog__card-body{display:flex;flex-direction:column;gap:3px;min-width:0}.aiza-catalog__card-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.aiza-catalog__card-name{font-size:14.5px;font-weight:600;color:var(--text)}.aiza-catalog__card-blurb{font-size:12.5px;color:var(--text-soft);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.aiza-catalog__card-cta{font-size:12px;font-weight:600;color:var(--text-soft);letter-spacing:.02em;padding:6px 10px;border-radius:999px;background:color-mix(in oklab,var(--text) 6%,transparent)}.aiza-catalog__card[data-ready=true] .aiza-catalog__card-cta{color:var(--text);background:color-mix(in oklab,var(--primary,#4d7cff) 18%,transparent)}.aiza-catalog__badge{font-size:10.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;padding:2px 7px;border-radius:999px;white-space:nowrap}.aiza-catalog__badge--active{background:color-mix(in oklab,var(--primary,#4d7cff) 18%,transparent);color:color-mix(in oklab,var(--primary,#4d7cff) 80%,var(--text) 20%)}.aiza-catalog__badge--preview{background:color-mix(in oklab,var(--accent,#ffb547) 22%,transparent);color:color-mix(in oklab,var(--accent,#ffb547) 70%,var(--text) 30%)}.aiza-catalog__error{text-align:center;font-size:14px;color:var(--text-soft);padding:24px 12px;border:1px dashed var(--border);border-radius:14px}.aiza-catalog__footer{display:flex;justify-content:center;padding-top:4px}.aiza-catalog__back{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:1px solid var(--border);color:var(--text);padding:8px 18px;border-radius:999px;font-size:13px;cursor:pointer;transition:border-color .12s ease,background .12s ease}.aiza-catalog__back:focus-visible,.aiza-catalog__back:hover{border-color:var(--border-strong);background:color-mix(in oklab,var(--text) 4%,transparent);outline:none}@media (prefers-reduced-motion:reduce){.aiza-catalog__back,.aiza-catalog__card,.aiza-catalog__domain-tab,.aiza-catalog__sub-pill{transition:none}.aiza-catalog__card:focus-visible,.aiza-catalog__card:hover{transform:none}}.aiza-teaching-card{width:100%;max-width:720px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:18px;padding:24px 28px;border-radius:22px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.02),0 16px 48px rgba(10,6,32,.28);text-align:center;animation:aiza-message-fade-in .32s cubic-bezier(.32,.72,.24,1) both}@media (prefers-reduced-motion:reduce){.aiza-teaching-card{animation:none}}.aiza-teaching-card-visual{width:100%;display:flex;justify-content:center}.aiza-teaching-card-title{margin:0;font-size:clamp(18px,2.4vw,22px);font-weight:600;letter-spacing:-.01em;color:var(--text)}.aiza-teaching-card-message{margin:0;max-width:56ch;font-size:clamp(16px,2.4vw,20px);line-height:1.5;color:var(--text)}.aiza-teaching-card-body{width:100%;max-width:56ch;text-align:left;display:flex;flex-direction:column;gap:10px;color:var(--text);font-size:16px;line-height:1.55}.aiza-teaching-card-body .md-h{margin:6px 0 2px;font-weight:600;color:var(--text);line-height:1.3}.aiza-teaching-card-body .md-h1{font-size:20px}.aiza-teaching-card-body .md-h2{font-size:18px}.aiza-teaching-card-body .md-h3{font-size:16px}.aiza-teaching-card-body .md-p{margin:0}.aiza-teaching-card-body .md-ol,.aiza-teaching-card-body .md-ul{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:6px}.aiza-teaching-card-body .md-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em;padding:1px 6px;border-radius:6px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1)}.aiza-teaching-card-body .md-pre{margin:0;padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);overflow-x:auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.5}.aiza-teaching-card-body .md-bold{font-weight:600}.aiza-teaching-card-body .md-italic{font-style:italic}.aiza-teaching-card-body .md-link{color:var(--header-grad-2,#9bb1ff);text-decoration:underline}.aiza-teaching-card-worked-example{width:100%;max-width:56ch;padding:12px 14px;border-radius:12px;background:rgba(77,124,255,.08);border:1px solid rgba(154,139,255,.18);text-align:left}.aiza-teaching-card-footer{width:100%;display:flex;flex-direction:column;align-items:center;gap:12px}.main-home--presenting .stage-canvas{gap:18px}.aiza-generated-image{position:relative;width:100%;max-width:360px;aspect-ratio:1/1;border-radius:16px;overflow:hidden;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center}.aiza-generated-image-skeleton{position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,.04),rgba(255,255,255,.08) 50%,rgba(255,255,255,.04));background-size:200% 100%;animation:aiza-generated-image-shimmer 1.6s linear infinite}@keyframes aiza-generated-image-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.aiza-generated-image-skeleton{animation:none;background:rgba(255,255,255,.06)}}.aiza-generated-image-img{display:block;width:100%;height:100%;object-fit:cover}.aiza-generated-image--fallback{aspect-ratio:auto;background:transparent;border:0}.aiza-generated-image-fallback-label{margin-top:6px;font-size:12px;line-height:1.2;color:var(--text-soft)}.learner-hud{display:flex;align-items:stretch;gap:8px;font-size:12px;color:var(--text);isolation:isolate;min-width:0}.learner-hud--floating{position:absolute;left:24px;max-width:none;justify-content:flex-end;flex-wrap:nowrap;z-index:55;pointer-events:none;animation:learner-hud-fade-in .52s cubic-bezier(.32,.72,.24,1)}.aiza-app-frame[data-flow-stage=learning-entry] .learner-hud--floating,.learner-hud--floating{top:14px;right:var(--aiza-chrome-corner-width,86px)}.learner-hud--inline{position:relative;margin:0 auto;flex-wrap:wrap;justify-content:center}@keyframes learner-hud-fade-in{0%{opacity:0;transform:translateY(-4px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@media (prefers-reduced-motion:reduce){.learner-hud--floating{animation:none}}.learner-hud[data-hidden=true]{opacity:0;pointer-events:none;transition:opacity .32s ease}.learner-hud:not([data-hidden=true]){transition:opacity .32s ease}.learner-hud[data-completed=true] .learner-hud-widget{animation:learner-hud-completed-pulse 1.1s cubic-bezier(.32,.72,.24,1) 1}@keyframes learner-hud-completed-pulse{0%{box-shadow:0 0 0 0 color-mix(in oklab,var(--primary) 60%,transparent)}50%{box-shadow:0 0 0 8px color-mix(in oklab,var(--primary) 0%,transparent)}to{box-shadow:0 0 0 0 transparent}}@media (prefers-reduced-motion:reduce){.learner-hud[data-completed=true] .learner-hud-widget{animation:none}}.learner-hud-widget-host{position:relative;display:inline-flex;min-width:0;pointer-events:auto}.learner-hud-widget-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:200px;display:flex;flex-direction:column;padding:6px;border-radius:14px;background:var(--card);border:1px solid var(--border);box-shadow:0 18px 38px rgba(8,16,36,.32),0 4px 10px rgba(8,16,36,.18);z-index:30;animation:hud-widget-menu-in .16s ease both}@keyframes hud-widget-menu-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}.learner-hud-widget-menu-item{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:0;padding:9px 12px;border-radius:10px;text-align:left;font:inherit;font-size:13px;color:var(--text);cursor:pointer}.learner-hud-widget-menu-item:focus-visible,.learner-hud-widget-menu-item:hover{background:var(--chip-bg-hover);outline:none}.learner-hud-widget-menu-item:focus-visible{box-shadow:inset 0 0 0 2px var(--focus-ring)}.learner-hud-widget[data-open=true]{border-color:color-mix(in oklab,var(--primary) 28%,var(--stage-border))}@media (prefers-reduced-motion:reduce){.learner-hud-widget-menu{animation:none}}.learner-hud-widget{-webkit-appearance:none;-moz-appearance:none;appearance:none;font:inherit;font-size:12px;color:inherit;display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:14px;border:1px solid var(--stage-border);background:linear-gradient(180deg,color-mix(in oklab,var(--primary) 8%,var(--stage-surface)) 0,color-mix(in oklab,var(--stage-surface) 96%,transparent) 100%);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 6px 18px rgba(8,16,36,.16),inset 0 0 0 1px color-mix(in oklab,var(--primary) 10%,transparent);text-align:left;min-width:0;max-width:100%;cursor:default;transition:transform .16s ease,background .16s ease,border-color .16s ease,box-shadow .16s ease}button.learner-hud-widget{cursor:pointer}button.learner-hud-widget:hover{transform:translateY(-1px);border-color:color-mix(in oklab,var(--primary) 40%,var(--stage-border));background:linear-gradient(180deg,color-mix(in oklab,var(--primary) 14%,var(--stage-surface)) 0,color-mix(in oklab,var(--stage-surface) 92%,transparent) 100%);box-shadow:0 10px 24px rgba(8,16,36,.22),inset 0 0 0 1px color-mix(in oklab,var(--primary) 18%,transparent)}button.learner-hud-widget:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.learner-hud-widget__stack{display:inline-flex;flex-direction:column;gap:1px;min-width:0}.learner-hud-widget__caption{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;line-height:1.1}.learner-hud-widget__caption,.learner-hud-widget__sub{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:160px}.learner-hud-widget__sub{font-size:9.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-soft)}.learner-hud-widget__value{font-size:13px;font-weight:600;line-height:1.1;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:140px}.learner-hud-widget__value--xp{color:var(--primary)}.learner-hud-widget__icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:8px;font-size:14px;line-height:1;background:color-mix(in oklab,var(--primary) 18%,var(--stage-surface));color:var(--primary);flex:0 0 auto}.learner-hud-widget__cta{font-size:13px;font-weight:700;color:var(--primary);flex:0 0 auto;margin-left:2px}.learner-hud-widget--map{padding-left:8px}.learner-hud-widget__minimap{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:60px;height:32px;border-radius:8px;background:color-mix(in oklab,var(--primary) 16%,var(--stage-surface));border:1px solid color-mix(in oklab,var(--primary) 28%,transparent);padding:1px 3px}.learner-hud-widget__minimap svg{display:block;width:100%;height:100%}.learner-hud-widget__minimap-empty{fill:color-mix(in oklab,var(--text-soft) 18%,transparent)}.learner-hud-widget__minimap-edge{stroke:color-mix(in oklab,var(--text-soft) 30%,transparent);stroke-width:1.2;stroke-dasharray:2 3}.learner-hud-widget__minimap-edge--cleared{stroke:color-mix(in oklab,var(--primary) 60%,transparent);stroke-dasharray:none}.learner-hud-widget__minimap-node{fill:color-mix(in oklab,var(--text-soft) 22%,var(--stage-surface));stroke:var(--stage-border);stroke-width:.9}.learner-hud-widget__minimap-node--cleared{fill:color-mix(in oklab,var(--primary) 72%,var(--stage-surface));stroke:color-mix(in oklab,var(--primary) 90%,transparent)}.learner-hud-widget__minimap-node--current{fill:color-mix(in oklab,var(--primary) 42%,var(--stage-surface));stroke:var(--primary);stroke-width:1.4;animation:learner-hud-node-pulse 2.4s ease-in-out infinite}@keyframes learner-hud-node-pulse{0%,to{stroke-width:1.4}50%{stroke-width:2}}@media (prefers-reduced-motion:reduce){.learner-hud-widget__minimap-node--current{animation:none}}.learner-hud-widget__minimap-check{fill:none;stroke:rgba(255,255,255,.95);stroke-width:1;stroke-linecap:round;stroke-linejoin:round}.learner-hud-widget__minimap-pin-base{stroke:rgba(255,255,255,.92);stroke-width:.7;filter:drop-shadow(0 1px 1.2px rgba(0,0,0,.32))}.learner-hud-widget__minimap-pin-glyph{fill:rgba(255,255,255,.96)}.learner-hud-widget__bar{display:block;width:84px;height:6px;background:color-mix(in oklab,var(--text-soft) 16%,transparent);border-radius:999px;overflow:hidden;position:relative}.learner-hud-widget__bar-fill{display:block;height:100%;background:linear-gradient(90deg,color-mix(in oklab,var(--primary) 70%,#ffd29a 30%) 0,var(--primary) 60%,var(--primary-strong,var(--primary)) 100%);border-radius:999px;transition:width .36s cubic-bezier(.32,.72,.24,1);box-shadow:0 0 6px color-mix(in oklab,var(--primary) 60%,transparent)}@media (prefers-reduced-motion:reduce){.learner-hud-widget__bar-fill{transition:none}}.learner-hud-widget__heart{color:var(--primary);display:block}@media (max-width:1180px){.learner-hud--floating{left:20px}.learner-hud-widget__bar{width:64px}.learner-hud-widget__caption{max-width:132px}}@media (max-width:980px){.learner-hud-widget__bar{width:48px}.learner-hud-widget__caption{max-width:110px}.learner-hud-widget__value{max-width:104px}.learner-hud-widget__sub{display:none}.learner-hud-widget__minimap{width:44px}}@media (max-width:760px){.learner-hud--floating{top:10px;left:16px;gap:6px}.aiza-app-frame[data-flow-stage=learning-entry] .learner-hud--floating{top:10px;right:var(--aiza-chrome-corner-width,78px)}.learner-hud-widget{padding:6px 8px;border-radius:12px}.learner-hud-widget--path,.learner-hud-widget__bar,.learner-hud-widget__caption span:last-child,.learner-hud-widget__cta,.learner-hud-widget__minimap{display:none}.learner-hud-widget__caption{max-width:none}}@media (max-width:520px){.learner-hud--floating{left:12px;gap:4px}.aiza-app-frame[data-flow-stage=learning-entry] .learner-hud--floating{right:var(--aiza-chrome-corner-width,78px)}.learner-hud-widget{padding:5px 7px;font-size:11px}.learner-hud-widget__icon{width:18px;height:18px;font-size:12px}}.app-loading-overlay{position:fixed;inset:0;z-index:40;display:grid;place-items:center;min-height:100dvh;background:radial-gradient(circle at 50% 45%,color-mix(in srgb,var(--ball-aura,rgba(92,152,255,.45)) 18%,transparent) 0,transparent 34%),linear-gradient(180deg,rgba(6,18,37,.08),rgba(6,18,37,.18));color:var(--text);pointer-events:auto}.aiza-app-frame[data-app-loading=true] .aiza-stage-frame{pointer-events:none}.app-loading-overlay__label{position:fixed;top:calc(50% + clamp(88px, 13dvh, 126px));left:50%;transform:translateX(-50%);margin:0;color:var(--text);font-size:1rem;font-weight:700;line-height:1;letter-spacing:0;text-align:center}@media (prefers-reduced-motion:reduce){.app-loading-overlay{background:var(--app-backdrop)}}