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solid rgba(13,148,136,.32);width:.75rem;height:.75rem;position:absolute;top:100%;transform:translateY(-50%)rotate(45deg)}.glossary-popover:not(:-webkit-any(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))):after{border-right:1px solid rgba(13,148,136,.32);left:1.15rem}.glossary-popover:not(:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))):after{border-right:1px solid rgba(13,148,136,.32);left:1.15rem}.glossary-popover:-webkit-any(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)):after{border-left:1px solid rgba(13,148,136,.32);right:1.15rem}.glossary-popover:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)):after{border-left:1px solid rgba(13,148,136,.32);right:1.15rem}.glossary-popover-header{justify-content:space-between;align-items:flex-start;gap:.75rem;display:flex}.glossary-popover-title{color:var(--glossary-term-active-color,#0f766e);letter-spacing:-.01em;font-size:1.08rem;font-weight:900}.glossary-popover-close{-webkit-appearance:none;appearance:none;width:2rem;height:2rem;color:var(--text-secondary,#475569);cursor:pointer;font:inherit;background:rgba(148,163,184,.12);border:1px solid 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.glossary-popover{background:var(--surface-elevated,#0f172a);color:var(--text-primary,#f8fafc);border-color:rgba(45,212,191,.36);box-shadow:0 22px 60px rgba(0,0,0,.42),0 0 0 1px rgba(45,212,191,.12)}[data-theme=dark] .glossary-popover-title,.dark .glossary-popover-title{color:var(--glossary-term-active-color,#5eead4)}[data-theme=dark] .glossary-popover-definition,.dark .glossary-popover-definition{color:var(--text-secondary,#dbeafe)}[data-theme=dark] .glossary-popover-category,.dark .glossary-popover-category{color:var(--glossary-term-active-color,#99f6e4);background:rgba(45,212,191,.14)}[data-theme=dark] .glossary-popover-close,.dark .glossary-popover-close{color:var(--text-secondary,#cbd5e1);background:rgba(15,23,42,.64);border-color:rgba(148,163,184,.26)}@media (max-width:640px){.glossary-term{position:static}.glossary-term-button{border-width:1.5px;border-radius:.5rem;padding:.03rem .3rem}.glossary-popover{inset:auto 1rem calc(6.5rem + env(safe-area-inset-bottom,0px)) 1rem;overscroll-behavior:contain;border-radius:1.15rem;width:auto;max-width:none;max-height:min(44vh,24rem);padding:1rem;position:fixed;overflow-y:auto}.glossary-popover:after{display:none}}.premium-categories-page{width:100%;max-width:1160px;padding-bottom:calc(var(--bottom-nav-height,64px) + 26px);gap:14px}.premium-categories-page .categories-page-intro{box-shadow:none;background:0 0;border:0;gap:4px;padding:0;display:grid}.premium-categories-page .categories-page-intro h1{color:var(--text,var(--text-primary));font-family:var(--font-sans);letter-spacing:0;margin:0;font-size:max(2rem,min(4vw,2.7rem));font-style:normal;font-weight:900;line-height:1}.premium-categories-page .categories-page-intro p{color:var(--muted,var(--text-secondary));margin:0;font-size:max(.95rem,min(1.3vw,1.05rem));line-height:1.35}.premium-category-library{box-shadow:none;background:0 0;border:0;border-radius:0;gap:14px;padding:0;display:grid}.premium-category-controls{grid-template-columns:minmax(240px,1fr) 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var(--muted,var(--text-secondary)) 82%, transparent)}.premium-category-controls select:not(:-webkit-any(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))){padding-left:14px;padding-right:34px}.premium-category-controls select:not(:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))){padding-left:14px;padding-right:34px}.premium-category-controls select:-webkit-any(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){padding-left:34px;padding-right:14px}.premium-category-controls select:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){padding-left:34px;padding-right:14px}.premium-category-controls input:focus,.premium-category-controls select:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent), 0 12px 28px rgba(0,0,0,.16)}.premium-category-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.premium-category-card{--category-accent:var(--accent);--category-accent-soft:color-mix(in srgb, var(--category-accent) 15%, transparent);isolation:isolate;border:1px solid color-mix(in srgb, var(--line,var(--border)) 76%, var(--category-accent) 18%);background:radial-gradient(circle at 10% 0%, var(--category-accent-soft), transparent 46%), linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.024) 58%, rgba(0,0,0,.12));min-height:158px;color:var(--text,var(--text-primary));text-align:left;border-radius:12px;grid-template-rows:auto minmax(2.4em,auto) auto;gap:10px;padding:14px;text-decoration:none;transition:transform .18s,border-color .18s,box-shadow .18s;display:grid;position:relative;overflow:hidden;box-shadow:inset 0 1px rgba(255,255,255,.08),0 14px 32px rgba(0,0,0,.14)}.premium-category-card:hover{border-color:color-mix(in srgb, var(--category-accent) 70%, var(--line,var(--border)) 30%);box-shadow:0 0 0 1px color-mix(in srgb, var(--category-accent) 22%, transparent), 0 18px 40px rgba(0,0,0,.22);transform:translateY(-2px)}.premium-category-card:focus-visible{border-color:color-mix(in srgb, var(--category-accent) 70%, var(--line,var(--border)) 30%);box-shadow:0 0 0 1px color-mix(in srgb, var(--category-accent) 22%, transparent), 0 18px 40px rgba(0,0,0,.22);transform:translateY(-2px)}.premium-category-card:focus-visible{outline:3px solid color-mix(in srgb, var(--category-accent) 40%, transparent);outline-offset:3px}.premium-category-card .premium-category-card__head{grid-template-columns:40px minmax(0,1fr);align-items:start;gap:10px;min-width:0;display:grid}.premium-category-card .premium-category-card__icon{border:1px solid color-mix(in srgb, var(--category-accent) 45%, var(--line,var(--border)) 55%);background:color-mix(in srgb, var(--category-accent) 11%, transparent);width:40px;height:40px;color:var(--category-accent);border-radius:10px;place-items:center;display:grid;box-shadow:inset 0 1px rgba(255,255,255,.12)}.premium-category-card .premium-category-card__glyph{fill:none;stroke:currentColor;stroke-width:1.75px;stroke-linecap:round;stroke-linejoin:round;width:23px;height:23px}.premium-category-card .premium-category-card__copy{gap:3px;min-width:0;display:grid}.premium-category-card .premium-category-card__title-line{grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:8px;min-width:0;display:grid}.premium-category-card strong{-webkit-line-clamp:2;min-width:0;color:var(--text,var(--text-primary));letter-spacing:0;-webkit-box-orient:vertical;margin:0;font-size:max(.96rem,min(1.25vw,1.08rem));font-weight:850;line-height:1.16;display:-webkit-box;overflow:hidden}.premium-category-card .premium-category-card__domain{min-width:0;color:var(--category-accent);text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;font-weight:800;line-height:1.2;display:block;overflow:hidden}.premium-category-card .premium-category-card__badge{border:1px solid color-mix(in srgb, var(--category-accent) 48%, transparent);background:color-mix(in srgb, var(--category-accent) 16%, transparent);width:fit-content;color:var(--category-accent);letter-spacing:0;border-radius:999px;align-self:start;margin:0;padding:3px 6px;font-size:.58rem;font-style:normal;font-weight:950;line-height:1}.premium-category-card p{-webkit-line-clamp:2;color:color-mix(in srgb, var(--muted,var(--text-secondary)) 92%, var(--text,var(--text-primary)) 8%);-webkit-box-orient:vertical;margin:0;font-size:.86rem;line-height:1.38;display:-webkit-box;overflow:hidden}.premium-category-card .premium-category-card__meta{min-width:0;color:color-mix(in srgb, var(--muted,var(--text-secondary)) 92%, var(--text,var(--text-primary)) 8%);white-space:nowrap;align-items:center;gap:6px;font-size:.79rem;font-weight:700;line-height:1.15;display:flex}.premium-category-card .premium-category-card__meta span{min-width:0}.premium-category-card .premium-category-card__separator{color:color-mix(in srgb, var(--muted,var(--text-secondary)) 65%, transparent)}.premium-category-card .premium-category-card__progress{color:var(--text,var(--text-primary))}.premium-category-empty{border-radius:12px;padding:18px}.premium-category-library .category-pagination{border-radius:12px;margin-top:0;padding:10px 12px}.premium-category-card.category-card--aptitude{--category-accent:#2dd4bf}.premium-category-card.category-card--dsa{--category-accent:#60a5fa}.premium-category-card.category-card--kubernetes-ckad{--category-accent:#3b82f6}.premium-category-card.category-card--ml-ai{--category-accent:#c084fc}.premium-category-card.category-card--system{--category-accent:#7dd56f}.premium-category-card.category-card--java{--category-accent:#fb8500}.premium-category-card.category-card--engineering-leadership{--category-accent:#67e8f9}.premium-category-card.accent-sky{--category-accent:#60a5fa}.premium-category-card.accent-violet{--category-accent:#c084fc}.premium-category-card.accent-amber{--category-accent:#f59e0b}.premium-category-card.accent-emerald{--category-accent:#34d399}.premium-category-card.accent-rose{--category-accent:#fb7185}.premium-category-card.accent-indigo{--category-accent:#818cf8}.premium-category-card.accent-cyan{--category-accent:#22d3ee}@media (min-width:1280px){.premium-category-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (min-width:761px) and (max-width:1080px){.premium-category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:760px){.app-shell .status-bar,.app-shell.light .status-bar,.app-shell.dark .status-bar{display:none!important}.premium-categories-page{width:100%;padding-left:0;padding-right:0;padding-bottom:calc(var(--bottom-nav-height,64px) + env(safe-area-inset-bottom,0px) + 34px);gap:12px}.premium-categories-page .categories-page-intro{gap:3px}.premium-categories-page .categories-page-intro h1{font-size:max(1.95rem,min(9vw,2.35rem))}.premium-categories-page .categories-page-intro p{font-size:.96rem}.premium-category-library{gap:12px}.premium-category-library .premium-category-controls.category-library-controls{scrollbar-width:none;flex-wrap:nowrap;grid-template-columns:none;gap:8px;width:100%;padding-bottom:1px;display:flex;overflow-x:auto}.premium-category-library .premium-category-controls.category-library-controls::-webkit-scrollbar{display:none}.premium-category-library .premium-category-controls.category-library-controls label{flex:0 0 104px;min-width:0}.premium-category-library .premium-category-controls.category-library-controls .premium-category-controls__search{flex-grow:1;flex-basis:124px}.premium-category-library .premium-category-controls.category-library-controls label:last-child{flex-basis:120px}.premium-category-library .premium-category-controls.category-library-controls input,.premium-category-library .premium-category-controls.category-library-controls select{border-radius:10px;height:36px;min-height:36px;font-size:.68rem}.premium-category-library .premium-category-controls.category-library-controls input{min-width:0;padding-left:10px;padding-right:10px}.premium-category-library .premium-category-controls.category-library-controls select{min-width:0}.premium-category-library .premium-category-controls.category-library-controls 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.alphabet-mastery-board{--alphabet-board-ink:#f5fbff;--alphabet-board-muted:#d1e6ff;--alphabet-board-line:rgba(255,255,255,.14);color:var(--alphabet-board-ink);background:linear-gradient(#172431,#11151c)}:root[data-theme=dark] .alphabet-mastery-toolbar,:root[data-theme=dark] .alphabet-mastery-grid{background:rgba(10,15,22,.82)}:root[data-theme=dark] .alphabet-mastery-card{color:var(--alphabet-board-ink);background:radial-gradient(circle at 50% 0,rgba(255,255,255,.12),rgba(20,24,32,.96) 76%),#151922}:root[data-theme=dark] .alphabet-mastery-card:focus-visible{outline-color:color-mix(in srgb, var(--alphabet-card-accent,#159b53) 62%, #e0f2fe);box-shadow:0 0 0 7px color-mix(in srgb, var(--alphabet-card-accent,#159b53) 30%, transparent), 0 18px 36px color-mix(in srgb, var(--alphabet-card-accent,#159b53) 36%, transparent)}:root[data-theme=dark] .alphabet-mastery-card-label{color:var(--alphabet-board-ink)}:root[data-theme=dark] .alphabet-mastery-progress{background:rgba(12,18,28,.9)}:root[data-theme=dark] .alphabet-mastery-progress span,:root[data-theme=dark] .alphabet-mastery-progress small,:root[data-theme=dark] .alphabet-mastery-status{color:var(--alphabet-board-muted)}:root[data-theme=dark] .alphabet-mastery-auto-button{color:#e6f1ff;background:linear-gradient(rgba(59,130,246,.24),rgba(15,23,42,.96));border-color:rgba(147,197,253,.45)}:root[data-theme=dark] .alphabet-mastery-interval-control{color:var(--alphabet-board-muted);background:rgba(15,23,42,.72);border-color:rgba(147,197,253,.35)}:root[data-theme=dark] .alphabet-mastery-interval-control select{color:#f5fbff}:root[data-theme=dark] .alphabet-mastery-auto-button--secondary{color:#dcfff1;background:linear-gradient(rgba(16,185,129,.2),rgba(15,23,42,.96));border-color:rgba(110,231,183,.42)}:root[data-theme=dark] .alphabet-mastery-auto-timer{border-color:color-mix(in srgb, var(--alphabet-card-accent,#159b53) 52%, rgba(255,255,255,.2));color:#f5fbff;background:linear-gradient(rgba(30,41,59,.98),rgba(13,20,31,.98))}:root[data-theme=dark] .alphabet-mastery-auto-timer small{color:var(--alphabet-board-muted)}:root[data-theme=dark] .alphabet-mastery-card.is-auto-reading{background:radial-gradient(circle at 50% 18%, color-mix(in srgb, var(--alphabet-card-accent,#159b53) 48%, transparent), transparent 42%), linear-gradient(180deg, color-mix(in srgb, var(--alphabet-card-accent,#159b53) 32%, rgba(15,23,42,.98)), rgba(15,23,42,.98)), #151922}@media (prefers-reduced-motion:reduce){.alphabet-mastery-card.is-auto-reading{animation:none}}@media (max-width:359px){.alphabet-mastery-letter-row{grid-template-columns:minmax(0,1fr)}.alphabet-mastery-letter-row:after{display:none}}@media (min-width:640px){.alphabet-mastery-hero{grid-template-columns:minmax(0,1fr) auto auto;min-height:210px;padding:30px 34px}.alphabet-mastery-heading h4{font-size:3.35rem}.alphabet-mastery-mascot{font-size:6.8rem}.alphabet-mastery-progress{display:grid}.alphabet-mastery-grid{padding:22px}}@media (min-width:900px){.alphabet-mastery-grid{grid-template-columns:repeat(auto-fit,minmax(244px,1fr));gap:18px}.alphabet-mastery-card{min-height:158px}}.number-audio-board{--number-board-ink:#10205f;--number-board-muted:#315177;--number-board-sky:#dcf7ff;--number-board-gold:#ffe5ad;--number-board-mint:#c8f2d9;--number-board-card:#fff;--number-board-line:rgba(16,32,95,.14);min-width:0;max-width:100%;color:var(--number-board-ink);background:linear-gradient(#f8fdff 0%,#fff 100%);border:1px solid rgba(64,176,226,.35);border-radius:8px;padding:0;overflow:hidden}.number-audio-hero{background:linear-gradient(135deg, rgba(255,255,255,.7) 0 16%, transparent 16% 100%), linear-gradient(180deg, var(--number-board-sky) 0 58%, var(--number-board-mint) 58% 78%, var(--number-board-gold) 78% 100%);grid-template-columns:minmax(0,1fr);gap:14px;min-height:168px;padding:22px 18px;display:grid;position:relative;overflow:hidden}.number-audio-hero:before,.number-audio-hero:after{content:"";background:rgba(255,255,255,.58);border-radius:8px;width:128px;height:42px;position:absolute;bottom:14px;right:-18px;transform:rotate(-8deg)}.number-audio-hero:after{background:rgba(34,166,107,.24);width:150px;height:58px;bottom:-18px;left:-28px;right:auto;transform:rotate(6deg)}.number-audio-heading,.number-audio-progress,.number-audio-mascot{z-index:1;position:relative}.number-audio-back{color:#0b56d0;align-items:center;gap:6px;font-size:.9rem;font-weight:800;display:inline-flex}.number-audio-back:before{content:"←";font-size:1.05rem}.number-audio-heading h4{color:#11195c;letter-spacing:0;overflow-wrap:normal;word-break:normal;margin:20px 0 4px;font-size:2.05rem;font-weight:900;line-height:1.04}.number-audio-heading p{color:#1d3175;letter-spacing:0;margin:0;font-size:.98rem;font-weight:800}.number-audio-heading p:after{content:" ♪";color:#7a54e8}.number-audio-mascot{color:#f27a05;letter-spacing:0;background:rgba(255,255,255,.78);border:4px solid rgba(17,25,92,.12);border-radius:8px;place-items:center;width:120px;height:96px;font-size:2.05rem;font-weight:950;display:none;box-shadow:0 14px 26px rgba(42,93,138,.14)}.number-audio-progress{background:rgba(255,255,255,.92);border:1px solid rgba(20,33,95,.08);border-radius:8px;justify-items:center;gap:3px;min-width:136px;padding:18px 14px;display:none;box-shadow:0 16px 30px rgba(60,110,160,.14)}.number-audio-progress span,.number-audio-progress small{color:#24356f;font-size:.78rem;font-weight:800}.number-audio-progress strong{color:#8c50ee;border:9px solid #e6e3ed;border-top-color:#8c50ee;border-radius:50%;place-items:center;width:68px;height:68px;font-size:1.3rem;line-height:1;display:grid}.number-audio-toolbar{border-bottom:1px solid var(--number-board-line);background:rgba(255,255,255,.94);flex-wrap:wrap;align-items:center;gap:12px;min-width:0;padding:14px 18px 10px;display:flex}.number-audio-tab{color:#079749;font-size:.95rem;font-weight:900;position:relative}.number-audio-tab:after{content:"";background:currentColor;border-radius:999px;height:3px;position:absolute;bottom:-10px;left:0;right:0}.number-audio-toolbar-count,.number-audio-sound-status{color:var(--number-board-muted);font-size:.82rem;font-weight:800}.number-audio-toolbar-count{margin-left:auto}.number-audio-sound-status{color:#0f8f49;align-items:center;gap:7px;display:inline-flex}.number-audio-sound-status:before{color:#fff;content:"♪";background:#10a94f;border-radius:999px;place-items:center;width:26px;height:26px;font-size:.82rem;display:inline-grid}.number-audio-auto-controls{flex-wrap:wrap;align-items:center;gap:8px;max-width:100%;display:inline-flex}.number-audio-interval-control{border:1px solid color-mix(in srgb, #0b56d0 30%, var(--number-board-line));min-height:38px;color:var(--number-board-muted);white-space:nowrap;background:rgba(255,255,255,.82);border-radius:8px;flex:none;align-items:center;gap:6px;padding:0 10px;font-size:.78rem;font-weight:900;display:inline-flex}.number-audio-interval-control span{white-space:nowrap}.number-audio-interval-control select{color:#0b2d72;min-width:64px;font:inherit;cursor:pointer;background:0 0;border:0;font-weight:950}.number-audio-interval-control select:focus-visible{outline-offset:2px;outline:3px solid rgba(11,86,208,.38)}.number-audio-auto-button{border:1px solid color-mix(in srgb, #0b56d0 52%, var(--number-board-line));color:#0b2d72;cursor:pointer;min-height:38px;font:inherit;background:linear-gradient(#fff,#eaf3ff);border-radius:8px;padding:0 14px;font-size:.84rem;font-weight:900;box-shadow:0 8px 18px rgba(11,86,208,.16)}.number-audio-auto-button:hover{outline-offset:2px;border-color:#0b56d0;outline:3px solid rgba(11,86,208,.38);box-shadow:0 12px 24px rgba(11,86,208,.22)}.number-audio-auto-button:focus-visible{outline-offset:2px;border-color:#0b56d0;outline:3px solid rgba(11,86,208,.38);box-shadow:0 12px 24px rgba(11,86,208,.22)}.number-audio-auto-button--secondary{color:#0d6738;background:linear-gradient(#fff,#eefaf3);box-shadow:0 8px 18px rgba(16,169,79,.14)}.number-audio-auto-timer{border:1px solid color-mix(in srgb, var(--number-card-accent,#159b53) 38%, var(--number-board-line));color:#11305f;background:linear-gradient(#fffdf4,#ecfff3);border-radius:8px;gap:1px;max-width:100%;min-height:44px;padding:7px 12px;display:inline-grid;box-shadow:0 10px 22px rgba(15,143,73,.14)}.number-audio-auto-timer strong,.number-audio-auto-timer small{overflow-wrap:anywhere;line-height:1.1}.number-audio-auto-timer strong{font-size:.86rem;font-weight:950}.number-audio-auto-timer small{color:var(--number-board-muted);font-size:.72rem;font-weight:800}.number-audio-grid{background:linear-gradient(rgba(255,255,255,.84),rgba(249,253,255,.98)),#fff;grid-template-columns:repeat(auto-fit,minmax(72px,1fr));gap:10px;width:100%;min-width:0;max-width:100%;padding:16px;display:grid;overflow:hidden}.number-audio-card{border:1.5px solid color-mix(in srgb, var(--number-card-accent,#159b53) 66%, white);background:linear-gradient(180deg, rgba(255,255,255,.96), color-mix(in srgb, var(--number-card-accent,#159b53) 9%, white)), var(--number-board-card);min-width:0;min-height:112px;color:var(--number-board-ink);box-shadow:0 10px 18px color-mix(in srgb, var(--number-card-accent,#159b53) 12%, transparent);cursor:pointer;font:inherit;text-align:center;border-radius:8px;align-content:center;justify-items:center;gap:6px;padding:12px 8px 10px;transition:transform .16s,box-shadow .16s,border-color .16s,background .16s;display:grid;position:relative}.number-audio-card:hover{border-color:var(--number-card-accent,#159b53);box-shadow:0 14px 24px color-mix(in srgb, var(--number-card-accent,#159b53) 20%, transparent);transform:translateY(-1px)}.number-audio-card:focus-visible{z-index:2;border-color:var(--number-card-accent,#159b53);outline:4px solid color-mix(in srgb, var(--number-card-accent,#159b53) 46%, #102a65);outline-offset:3px;box-shadow:0 0 0 7px color-mix(in srgb, var(--number-card-accent,#159b53) 22%, transparent), 0 18px 34px color-mix(in srgb, var(--number-card-accent,#159b53) 28%, transparent);transform:scale(1.035)}.number-audio-card.is-playing{border-color:var(--number-card-accent,#159b53);background:linear-gradient(180deg, rgba(255,255,255,.98), color-mix(in srgb, var(--number-card-accent,#159b53) 18%, white)), var(--number-board-card);box-shadow:0 0 0 3px color-mix(in srgb, var(--number-card-accent,#159b53) 20%, transparent), 0 16px 30px color-mix(in srgb, var(--number-card-accent,#159b53) 24%, transparent)}.number-audio-card.is-auto-reading{z-index:3;border-color:color-mix(in srgb, var(--number-card-accent,#159b53) 88%, #10205f);background:radial-gradient(circle at 50% 18%, color-mix(in srgb, var(--number-card-accent,#159b53) 34%, transparent), transparent 42%), linear-gradient(180deg, rgba(255,255,255,.99), color-mix(in srgb, var(--number-card-accent,#159b53) 28%, white)), var(--number-board-card);box-shadow:0 0 0 4px #fff, 0 0 0 9px color-mix(in srgb, var(--number-card-accent,#159b53) 44%, transparent), 0 22px 42px color-mix(in srgb, var(--number-card-accent,#159b53) 38%, transparent);padding-top:30px;animation:.9s ease-in-out infinite alternate number-audio-reading-pulse;transform:translateY(-4px)scale(1.08)}.number-audio-card.is-auto-reading:after{border:3px solid color-mix(in srgb, var(--number-card-accent,#159b53) 80%, #fff);content:"";pointer-events:none;border-radius:14px;position:absolute;top:-8px;bottom:-8px;left:-8px;right:-8px}.number-audio-now-badge{z-index:2;border:1px solid color-mix(in srgb, var(--number-card-accent,#159b53) 72%, #fff);background:color-mix(in srgb, var(--number-card-accent,#159b53) 86%, #10205f);color:#fff;letter-spacing:.04em;text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap;border-radius:999px;max-width:calc(100% - 14px);padding:4px 7px;font-size:.6rem;font-weight:950;line-height:1;position:absolute;top:7px;left:50%;overflow:hidden;transform:translate(-50%)}.number-audio-card.is-auto-reading .number-audio-card-value,.number-audio-card.is-auto-reading .number-audio-playing-label{color:color-mix(in srgb, var(--number-card-accent,#159b53) 86%, #10205f)}.number-audio-card.is-auto-reading .number-audio-card-value{font-size:2.72rem}.number-audio-card-value{color:var(--number-card-accent,#159b53);letter-spacing:0;font-size:2.35rem;font-weight:950;line-height:1}.number-audio-card-label{color:#111950;overflow-wrap:break-word;word-break:normal;max-width:100%;font-size:.78rem;font-weight:900;line-height:1.1}.number-audio-card-sound{justify-items:center;gap:4px;min-height:32px;display:grid}.number-audio-sound-mark{background:var(--number-card-accent,#159b53);color:#fff;border-radius:999px;place-items:center;width:28px;height:28px;display:grid;box-shadow:inset 0 -2px rgba(0,0,0,.12)}.number-audio-sound-mark:before{content:"♪";font-size:.92rem;font-weight:900}.number-audio-playing-label{min-height:12px;color:var(--number-card-accent,#159b53);font-size:.68rem;font-weight:900;line-height:1}@keyframes number-audio-reading-pulse{0%{box-shadow:0 0 0 4px #fff, 0 0 0 9px color-mix(in srgb, var(--number-card-accent,#159b53) 38%, transparent), 0 20px 38px color-mix(in srgb, var(--number-card-accent,#159b53) 34%, transparent)}to{box-shadow:0 0 0 5px #fff, 0 0 0 13px color-mix(in srgb, var(--number-card-accent,#159b53) 54%, transparent), 0 26px 50px color-mix(in srgb, var(--number-card-accent,#159b53) 46%, transparent)}}.number-audio-status{color:#284170;min-height:30px;padding:0 18px 16px;font-size:.8rem;font-weight:800}:root[data-theme=dark] .number-audio-board{--number-board-ink:#f5fbff;--number-board-muted:#d1e6ff;--number-board-line:rgba(255,255,255,.14);color:var(--number-board-ink);background:linear-gradient(#172431,#11151c)}:root[data-theme=dark] .number-audio-toolbar,:root[data-theme=dark] .number-audio-grid{background:rgba(10,15,22,.82)}:root[data-theme=dark] .number-audio-auto-button{color:#e6f1ff;background:linear-gradient(rgba(59,130,246,.24),rgba(15,23,42,.96));border-color:rgba(147,197,253,.45)}:root[data-theme=dark] .number-audio-interval-control{color:var(--number-board-muted);background:rgba(15,23,42,.72);border-color:rgba(147,197,253,.35)}:root[data-theme=dark] .number-audio-interval-control select{color:#f5fbff}:root[data-theme=dark] .number-audio-auto-button--secondary{color:#dcfff1;background:linear-gradient(rgba(16,185,129,.2),rgba(15,23,42,.96));border-color:rgba(110,231,183,.42)}:root[data-theme=dark] .number-audio-auto-timer{border-color:color-mix(in srgb, var(--number-card-accent,#159b53) 52%, rgba(255,255,255,.2));color:#f5fbff;background:linear-gradient(rgba(30,41,59,.98),rgba(13,20,31,.98))}:root[data-theme=dark] .number-audio-auto-timer small{color:var(--number-board-muted)}:root[data-theme=dark] .number-audio-card{color:var(--number-board-ink);background:linear-gradient(rgba(255,255,255,.11),rgba(20,24,32,.96) 78%),#151922}:root[data-theme=dark] .number-audio-card:focus-visible{outline-color:color-mix(in srgb, var(--number-card-accent,#159b53) 62%, #e0f2fe);box-shadow:0 0 0 7px color-mix(in srgb, var(--number-card-accent,#159b53) 30%, transparent), 0 18px 36px color-mix(in srgb, var(--number-card-accent,#159b53) 36%, transparent)}:root[data-theme=dark] .number-audio-card.is-auto-reading{background:radial-gradient(circle at 50% 18%, color-mix(in srgb, var(--number-card-accent,#159b53) 48%, transparent), transparent 42%), linear-gradient(180deg, color-mix(in srgb, var(--number-card-accent,#159b53) 32%, rgba(15,23,42,.98)), rgba(15,23,42,.98)), #151922}:root[data-theme=dark] .number-audio-card-label{color:var(--number-board-ink)}:root[data-theme=dark] .number-audio-progress{background:rgba(12,18,28,.9)}:root[data-theme=dark] .number-audio-progress span,:root[data-theme=dark] .number-audio-progress small,:root[data-theme=dark] .number-audio-status{color:var(--number-board-muted)}@media (prefers-reduced-motion:reduce){.number-audio-card.is-auto-reading{animation:none}}@media (max-width:359px){.number-audio-grid{grid-template-columns:repeat(auto-fit,minmax(64px,1fr));gap:8px;padding:12px}.number-audio-card{min-height:104px;padding:10px 6px 8px}.number-audio-card-value{font-size:2rem}}@media (min-width:640px){.number-audio-hero{grid-template-columns:minmax(0,1fr) auto auto;align-items:center;min-height:212px;padding:30px 34px}.number-audio-heading h4{font-size:3.2rem}.number-audio-mascot,.number-audio-progress{display:grid}.number-audio-grid{grid-template-columns:repeat(auto-fit,minmax(88px,1fr));gap:12px;padding:22px}}@media (min-width:980px){.number-audio-grid{grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:14px}.number-audio-card{min-height:122px}}