.grammar-deck{--gd-surface:#ffffff;--gd-violet-50:#f3e8ff;--gd-violet-100:#ede9fe;--gd-violet-200:#e9d5ff;--gd-violet-300:#ddd6fe;--gd-violet-400:#c4b5fd;--gd-violet-text:#6d28d9;--gd-violet-text-strong:#4c1d95;--gd-violet-fill:#c8bbfb;--gd-violet-fill-border:#b1a0ea}.dark .grammar-deck{--gd-surface:var(--surface-raised);--gd-violet-50:oklch(0.27 0.07 293);--gd-violet-100:oklch(0.30 0.08 293);--gd-violet-200:oklch(0.38 0.10 293);--gd-violet-300:oklch(0.42 0.11 293);--gd-violet-400:oklch(0.52 0.13 293);--gd-violet-text:oklch(0.82 0.11 293);--gd-violet-text-strong:oklch(0.88 0.08 293);--gd-violet-fill:oklch(0.34 0.09 293);--gd-violet-fill-border:oklch(0.42 0.11 293)}.grammar-deck{color:var(--text-primary);font-family:var(--font-sans),system-ui,sans-serif;-webkit-font-smoothing:antialiased;background:var(--surface-base);min-height:100dvh}.grammar-deck.page-shell--session{max-width:var(--layout-canvas-max)}.grammar-deck__wrap{max-width:45rem;margin-inline:auto;padding:var(--space-3) 0 var(--layout-page-block-end);display:flex;flex-direction:column;gap:var(--space-4)}@media (min-width:640px){.grammar-deck__wrap{padding:var(--space-4) 0 var(--layout-page-block-end);gap:var(--space-6)}}@media (min-width:768px){.grammar-deck__wrap{max-width:64rem;gap:var(--space-6)}}@media (min-width:1024px){.grammar-deck__wrap{max-width:74rem;gap:var(--space-8)}}.grammar-deck__head{display:flex;flex-direction:column;gap:var(--space-3);padding-bottom:0;border-bottom:none}.grammar-deck__head>.grammar-deck__back{margin-bottom:var(--space-1)}.grammar-deck__identity{display:flex;flex-direction:column;gap:var(--space-2)}.grammar-deck__meta{display:flex;align-items:center;gap:var(--space-3);margin-top:var(--space-1);width:100%}@media (min-width:640px){.grammar-deck__head{gap:var(--space-4)}}.grammar-deck__prog{flex:1;height:4px;border-radius:999px;background:var(--surface-sunken);overflow:hidden}.grammar-deck__grid{display:grid;grid-template-columns:1fr;gap:var(--space-5);align-items:start}@media (min-width:768px){.grammar-deck__grid{grid-template-columns:minmax(0,1fr) 18rem;gap:var(--space-6)}}@media (min-width:1024px){.grammar-deck__grid{grid-template-columns:minmax(0,1fr) 20rem;gap:var(--space-8)}}.grammar-deck__main{min-width:0}.grammar-deck__rail{display:flex;flex-direction:column;gap:var(--space-3);position:sticky;top:var(--space-6)}@media (max-width:767px){.grammar-deck__rail{display:none}}.grammar-deck__rail-kicker{font:var(--font-kicker);letter-spacing:var(--text-tracking-kicker);text-transform:uppercase;color:var(--text-tertiary);padding-left:var(--space-1)}.grammar-deck__rail-list{display:flex;flex-direction:column;gap:var(--space-2)}.grammar-deck__rail-item{width:100%;display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);text-align:left;border-radius:var(--radius-md);border:1px solid transparent;background:transparent;color:var(--text-secondary);font-family:inherit;font-size:var(--text-size-body-sm);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast),transform var(--transition-fast)}.grammar-deck__rail-item:hover{background:var(--surface-sunken);color:var(--text-primary)}.grammar-deck__rail-item--active{background:var(--gd-violet-50);border-color:var(--gd-violet-200);color:var(--gd-violet-text);font-weight:700;box-shadow:var(--shadow-sm)}.grammar-deck__rail-item--active:hover{background:var(--gd-violet-100);border-color:var(--gd-violet-300)}.grammar-deck__rail-badge{width:28px;height:28px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:50%;font-size:var(--text-size-caption);font-weight:600;font-variant-numeric:tabular-nums;border:1px solid var(--border-default);background:var(--surface-sunken);color:var(--text-tertiary);transition:background var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.grammar-deck__rail-item--active .grammar-deck__rail-badge,.grammar-deck__rail-item--done .grammar-deck__rail-badge{background:#7c3aed;border-color:#7c3aed;color:#ffffff}.grammar-deck__rail-title{font-family:var(--font-display),"Bricolage Grotesque",system-ui,sans-serif;font-size:var(--text-size-body-sm);font-weight:600;line-height:var(--text-leading-body-sm);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.grammar-deck__rail-item--active .grammar-deck__rail-title{font-weight:700;color:var(--text-primary)}.grammar-deck__carousel{display:flex;flex-direction:column;gap:var(--space-5)}.grammar-deck__viewport{position:relative;overflow-x:clip}.grammar-deck__nav{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.grammar-deck__arrow{width:44px;height:44px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:50%;border:1px solid var(--border-default);background:var(--gd-surface);color:var(--text-secondary);transition:transform var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast),background var(--transition-fast),box-shadow var(--transition-fast)}.grammar-deck__arrow:hover:not(:disabled){color:var(--primary);border-color:var(--accent-border);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.grammar-deck__arrow:active:not(:disabled){transform:translateY(0) scale(.92)}.grammar-deck__arrow:disabled{opacity:.4}.grammar-deck__pager{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);flex:1;min-width:0}.grammar-deck__nav-spacer{width:44px;flex-shrink:0}.grammar-deck__dots{display:flex;align-items:center;justify-content:center;gap:var(--space-1);flex-wrap:nowrap;overflow:hidden;max-width:100%}.grammar-deck__dot{width:7px;height:7px;flex-shrink:0;cursor:pointer;padding:0;border-radius:999px;background:var(--surface-sunken);border:none;transition:width var(--transition-fast),background var(--transition-fast),transform var(--transition-fast)}.grammar-deck__dot:hover{transform:scale(1.3)}.grammar-deck__dot--done{background:color-mix(in oklch,var(--success) 60%,var(--surface-sunken))}.grammar-deck__dot--on{width:22px;background:var(--primary)}.grammar-card{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:opacity .25s ease;padding:var(--space-3) var(--space-4);display:flex;flex-direction:column;gap:var(--space-3)}@media (min-width:640px){.grammar-card{border-radius:var(--radius-xl);padding:var(--space-5);gap:var(--space-5)}}.grammar-card--done{opacity:.72}.grammar-card__intro{display:flex;flex-direction:column;gap:var(--space-2)}.grammar-card__intro>.grammar-card__lede{margin-top:var(--space-1)}.grammar-card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-2)}@media (min-width:640px){.grammar-card__intro{gap:var(--space-3)}.grammar-card__top{margin-bottom:var(--space-3)}}.grammar-card__tag{display:inline-flex;align-items:center;padding:.25rem .625rem;font:var(--font-kicker);line-height:1.2;letter-spacing:var(--text-tracking-kicker);text-transform:uppercase;color:var(--primary);background:var(--badge-primary-bg);border:1px solid var(--badge-primary-border);border-radius:var(--radius-full);transition:transform var(--transition-fast)}.grammar-card:hover .grammar-card__tag{transform:translateY(-1px)}.grammar-card__body{display:flex;flex-direction:column;gap:var(--space-4)}@media (min-width:640px){.grammar-card__body{gap:var(--space-5)}}.grammar-card__tip{background:var(--badge-primary-bg);border:1px solid var(--badge-primary-border);border-radius:var(--radius-md);font-size:var(--text-size-caption);line-height:var(--text-leading-caption);color:var(--text-primary);padding:var(--space-3) var(--space-4);max-width:65ch}@media (min-width:640px){.grammar-card__tip{font-size:var(--text-size-body-sm);line-height:var(--text-leading-body-sm);padding:var(--space-3) var(--space-4)}}.grammar-card__tip b{color:var(--primary);font-weight:600}.grammar-card__advance{display:flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);min-height:48px;cursor:pointer;font-family:var(--font-display),"Bricolage Grotesque",system-ui,sans-serif;font-size:var(--text-size-body-sm);font-weight:700;color:#ffffff;background:#7c3aed;border:none;border-radius:var(--radius-full);transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}@media (min-width:640px){.grammar-card__advance{min-height:52px;padding:var(--space-4) var(--space-6);font-size:var(--text-size-body)}}.grammar-card__advance:hover{background:#6d28d9;transform:translateY(-1px);box-shadow:var(--shadow-sm)}.grammar-card__advance:active{transform:translateY(0) scale(.98)}.grammar-card__advance-arrow{transition:transform var(--transition-fast)}.grammar-card__advance:hover .grammar-card__advance-arrow{transform:translateX(3px)}.grammar-card__advance--soft{box-shadow:inset 0 0 0 1px var(--success-border)}.grammar-card__advance--soft:hover{background:color-mix(in oklch,var(--success) 14%,var(--gd-surface));box-shadow:inset 0 0 0 1px var(--success-border),var(--shadow-sm)}.grammar-deck__practice-shell{background:transparent;padding:0}.grammar-deck__done{position:relative;padding:var(--space-6);display:flex;flex-direction:column;align-items:stretch;gap:var(--space-6);text-align:center;background:var(--gd-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);animation:grammar-done-in .5s cubic-bezier(.22,1,.36,1) both}@media (min-width:640px){.grammar-deck__done{padding:var(--space-8)}}.grammar-deck__done-hero{display:flex;flex-direction:column;align-items:center;gap:var(--space-3);text-align:center;width:100%}.grammar-deck__done-art{position:relative;display:flex;align-items:center;justify-content:center;width:6rem;height:6rem;margin-bottom:var(--space-1)}@media (min-width:640px){.grammar-deck__done-art{width:7.5rem;height:7.5rem}}.grammar-deck__done-art-glow{position:absolute;inset:-10%;border-radius:50%;background:color-mix(in oklch,var(--success) 22%,transparent);filter:blur(20px);pointer-events:none}.grammar-deck__done-art-img{position:relative;height:100%;width:auto;color:var(--success);animation:grammar-badge-pop .55s cubic-bezier(.34,1.56,.64,1) .1s both}.grammar-deck__done-intro{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);text-align:center}.grammar-deck__done-badge{width:2.25rem;height:2.25rem;border-radius:50%;background:var(--success-soft);color:var(--success);border:1px solid var(--success-border)}.grammar-deck__done-badge,.grammar-deck__done-score{display:inline-flex;align-items:center;justify-content:center}.grammar-deck__done-score{gap:var(--space-2);align-self:center;margin:0;padding:var(--space-3) var(--space-6);background:var(--surface-sunken);border:1px solid var(--border-default);border-radius:var(--radius-full)}.grammar-deck__done-score-value{font-size:var(--text-size-body);font-weight:700;line-height:1;font-variant-numeric:tabular-nums;color:var(--text-primary)}.grammar-deck__done-score-label{font-size:var(--text-size-body-sm);line-height:1;color:var(--text-secondary)}.grammar-deck__done-practice-cta{width:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-3) var(--space-5);min-height:52px;text-align:left;border-radius:var(--radius-lg);border:none;background:var(--cta-bg,oklch(.18 .008 250));color:var(--cta-fg,oklch(.93 .012 250));font-size:var(--text-size-body-sm);font-weight:600;font-family:inherit;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}.grammar-deck__done-practice-cta:hover:not(:disabled){background:oklch(.26 .008 250);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.grammar-deck__done-practice-cta:active:not(:disabled){transform:scale(.98)}.grammar-deck__done-practice-cta:disabled{opacity:.55;cursor:default}.grammar-deck__done-practice-cta>span{flex:1}.grammar-deck__related{width:100%;display:flex;flex-direction:column;gap:var(--space-2);text-align:left}.grammar-deck__related ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr;gap:var(--space-2)}@media (min-width:640px){.grammar-deck__related ul{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}}.grammar-deck__related a{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);border:1px solid var(--border-default);background:var(--gd-surface);color:var(--text-primary);text-decoration:none;font-size:var(--text-size-body-sm);font-weight:500;transition:border-color var(--transition-fast),background var(--transition-fast),transform var(--transition-fast)}.grammar-deck__related a:hover{border-color:var(--accent-border);background:var(--surface-sunken);transform:translateY(-1px)}.grammar-deck__related svg{color:var(--primary);flex-shrink:0}.grammar-deck__done-actions{display:flex;gap:var(--space-4);flex-wrap:wrap;justify-content:center;margin-top:var(--space-2);padding-top:var(--space-5);border-top:1px solid var(--border-subtle);width:100%}.grammar-deck__done-back,.grammar-deck__done-restart{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);cursor:pointer;font-size:var(--text-size-body-sm);font-weight:600;font-family:inherit;border-radius:var(--radius-full);text-decoration:none;transition:transform var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast),box-shadow var(--transition-fast)}.grammar-deck__done-restart{background:transparent;border:1px solid var(--border-default);color:var(--text-secondary)}.grammar-deck__done-restart:hover{border-color:var(--accent-border);color:var(--text-primary)}.grammar-deck__done-back{background:var(--gd-surface);border:1px solid var(--border-default);color:var(--text-primary)}.grammar-deck__done-back:hover{border-color:var(--accent-border);box-shadow:var(--shadow-sm)}.grammar-deck__done-back:active,.grammar-deck__done-restart:active{transform:scale(.96)}.gd-quiz{display:flex;flex-direction:column;gap:var(--space-5);animation:grammar-done-in .4s ease-out both}.gd-quiz__head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2)}.gd-quiz__options{display:flex;flex-direction:column;gap:var(--space-3)}.gd-quiz__option{width:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-4);cursor:pointer;text-align:left;font-family:inherit;border-radius:var(--radius-md);border:1px solid var(--border-default);background:var(--gd-surface);color:var(--text-primary);font-size:var(--text-size-body-sm);transition:border-color var(--transition-fast),background var(--transition-fast),transform var(--transition-fast)}.gd-quiz__option:hover:not(:disabled){border-color:var(--accent-border);transform:translateY(-1px)}.gd-quiz__option--correct{border-color:var(--success-border);background:var(--success-soft);color:var(--success)}.gd-quiz__option--wrong{border-color:var(--error-border);background:var(--error-soft);color:var(--error-value)}.gd-quiz__explain{padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);background:var(--surface-sunken);border:1px solid var(--border-subtle);font-size:var(--text-size-caption);color:var(--text-secondary)}.gd-quiz__next{align-self:flex-end;display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-5);cursor:pointer;font-family:inherit;border-radius:var(--radius-md);border:none;background:var(--primary);color:var(--primary-foreground,#fff);font-weight:var(--text-weight-label);font-size:var(--text-size-body-sm);transition:transform var(--transition-fast)}.gd-quiz__next:active{transform:scale(.96)}@media (max-width:480px){.grammar-deck__wrap{gap:var(--space-5)}.grammar-card{padding:var(--space-4);gap:var(--space-4)}.grammar-deck__done{padding:var(--space-5) var(--space-4)}.grammar-deck__done-actions{flex-direction:column;gap:var(--space-2)}.grammar-deck__done-back,.grammar-deck__done-restart{width:100%;justify-content:center;padding-block:var(--space-3)}}@media (min-width:768px){.grammar-deck__wrap{gap:var(--space-8)}.grammar-card,.grammar-deck__head{gap:var(--space-6)}.grammar-card{padding:var(--space-6)}.grammar-deck__carousel{gap:var(--space-6)}.grammar-deck__done{padding:var(--space-8);gap:var(--space-6)}}.grammar-deck__eyebrow{font:var(--font-kicker);letter-spacing:var(--text-tracking-kicker);color:var(--text-secondary)}.grammar-deck__back{display:inline-flex;align-items:center;gap:var(--space-1);width:fit-content;font-size:var(--text-size-body-sm);font-weight:var(--text-weight-label);line-height:var(--text-leading-label);color:var(--text-secondary);text-decoration:none;transition:color var(--transition-fast)}.grammar-deck__back:hover{color:var(--primary)}.grammar-deck__title{font-family:var(--font-display),"Bricolage Grotesque",system-ui,sans-serif;font-size:1.25rem;font-weight:800;line-height:1.25;letter-spacing:var(--text-tracking-h3);color:var(--text-primary);text-wrap:balance}@media (min-width:640px){.grammar-deck__title{font-size:1.75rem;font-weight:800;letter-spacing:var(--text-tracking-h2)}}.grammar-deck__title em{font-style:italic;color:var(--primary)}.grammar-deck__prog-fill{display:block;height:100%;width:100%;background:var(--primary);border-radius:999px;transform-origin:left center;transition:transform .4s var(--ease-out-quart)}.grammar-deck__count{font-size:var(--text-size-caption);line-height:var(--text-leading-caption);color:var(--text-secondary);font-variant-numeric:tabular-nums;white-space:nowrap;align-self:flex-end}.grammar-deck__count b{color:var(--text-primary);font-weight:var(--text-weight-label)}.grammar-deck__slide{position:relative}.grammar-deck__slide--next{animation:grammar-slide-in-right .34s cubic-bezier(.22,1,.36,1) backwards}.grammar-deck__slide--prev{animation:grammar-slide-in-left .34s cubic-bezier(.22,1,.36,1) backwards}@keyframes grammar-slide-in-right{0%{opacity:0;transform:translateX(34px) scale(.985)}to{opacity:1;transform:translateX(0) scale(1)}}@keyframes grammar-slide-in-left{0%{opacity:0;transform:translateX(-34px) scale(.985)}to{opacity:1;transform:translateX(0) scale(1)}}.grammar-deck__pos{font-size:var(--text-size-caption);line-height:var(--text-leading-caption);letter-spacing:.02em;color:var(--text-tertiary);font-variant-numeric:tabular-nums}@keyframes grammar-done-in{0%{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes grammar-badge-pop{0%{opacity:0;transform:scale(.3) rotate(-12deg)}60%{transform:scale(1.12) rotate(4deg)}to{opacity:1;transform:scale(1) rotate(0)}}.grammar-deck__done-title{font-family:var(--font-display),"Bricolage Grotesque",system-ui,sans-serif;font-size:1.75rem;font-weight:800;letter-spacing:var(--text-tracking-h2);color:var(--text-primary);text-wrap:balance}.grammar-deck__done-sub{color:var(--text-secondary);font-size:var(--text-size-body-sm);line-height:var(--text-leading-body-sm)}.grammar-card__idx{font-family:var(--font-sans),system-ui,sans-serif;font-size:var(--text-size-caption);line-height:var(--text-leading-caption);color:var(--text-tertiary);font-variant-numeric:tabular-nums}.grammar-card__title{font-family:var(--font-display),"Bricolage Grotesque",system-ui,sans-serif;font-size:1.75rem;font-weight:800;line-height:1.15;letter-spacing:-.025em;color:var(--text-primary);text-wrap:balance}@media (min-width:640px){.grammar-card__title{font-size:2.25rem}}.grammar-card__title em{font-style:italic;color:var(--gd-violet-text)}.grammar-card__lede{color:var(--text-secondary);font-size:var(--text-size-body-sm);line-height:var(--text-leading-body-sm);max-width:65ch}@media (min-width:640px){.grammar-card__lede{font-size:var(--text-size-body);line-height:var(--text-leading-body)}}.grammar-conj{display:grid;grid-template-columns:minmax(4.25rem,auto) 1fr;border-radius:var(--radius-md);border:1px solid var(--border-subtle);overflow:hidden}.grammar-conj>div{background:var(--surface-sunken)}.grammar-conj__pron{font-style:italic;color:var(--text-secondary)}.grammar-conj__form,.grammar-conj__pron{font-family:var(--font-sans),system-ui,sans-serif;padding:var(--space-3) var(--space-4)}.grammar-conj__form{color:var(--text-primary)}@media (min-width:640px){.grammar-conj{grid-template-columns:minmax(5.5rem,auto) 1fr}.grammar-conj__form,.grammar-conj__pron{padding:var(--space-4) var(--space-5)}}.grammar-conj__form b{color:var(--primary)}.grammar-conj__hint{font-family:var(--font-sans),system-ui,sans-serif;color:var(--text-tertiary);font-size:var(--text-size-tiny)}.grammar-vtable{border-collapse:separate;border-spacing:0;border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--surface-sunken);overflow:hidden;font-size:var(--text-size-body-sm)}.grammar-vtable th{font-size:var(--text-size-kicker);letter-spacing:var(--text-tracking-kicker);color:var(--text-tertiary);font-weight:var(--text-weight-kicker);text-align:left;background:var(--gd-violet-50)}.grammar-vtable td,.grammar-vtable th{padding:var(--space-2) var(--space-3);border-bottom:1px solid var(--border-subtle)}.grammar-vtable td{font-family:var(--font-sans),system-ui,sans-serif;color:var(--text-primary)}@media (min-width:640px){.grammar-vtable td,.grammar-vtable th{padding:var(--space-4) var(--space-5)}}.grammar-vtable td:first-child{font-weight:600}.grammar-vtable td.grammar-vtable__es{font-family:var(--font-sans),system-ui,sans-serif;font-size:var(--text-size-caption);color:var(--text-tertiary)}.grammar-contrast{display:grid;grid-template-columns:1fr 1fr}@media (max-width:480px){.grammar-contrast{grid-template-columns:1fr}}.grammar-contrast__col{background:var(--surface-sunken);border:1px solid 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th{font-family:var(--font-sans),system-ui,sans-serif;font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--gd-violet-text-strong);padding:.875rem 1.25rem;border-bottom:none}.grammar-vtable td{padding:1.125rem 1.25rem;border-bottom:1px solid #f1f5f9;vertical-align:middle}.grammar-vtable tr:last-child td{border-bottom:none}.grammar-vtable__verbo{display:flex;flex-direction:column}.grammar-vtable__key-text{font-family:var(--font-display),"Bricolage Grotesque",system-ui,sans-serif;font-weight:800;font-size:1.125rem;color:#0f172a}.grammar-vtable__ipa{font-family:var(--font-ipa),Andika,sans-serif;font-size:.875rem;color:#64748b;margin-top:.25rem}.grammar-vtable__gloss{font-size:1rem;color:#475569;font-weight:400}.grammar-vtable__example{font-size:1rem;color:#334155;font-weight:400}.grammar-vtable__example b{font-weight:700;color:#0f172a}.grammar-vtable__action{text-align:right;width:4rem;padding-right:1.25rem}.grammar-card__meeting-banner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);background:var(--gd-violet-50);border:1px solid var(--gd-violet-200);border-radius:var(--radius-xl);padding:var(--space-4) var(--space-5);color:var(--gd-violet-text-strong);box-shadow:var(--shadow-sm)}.grammar-card__meeting-play{display:flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border-radius:50%;background:oklch(.18 .008 250);color:oklch(.98 0 0);border:none;cursor:pointer;flex-shrink:0;transition:transform 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var(--transition-fast)}.grammar-card__save-terms-btn:hover{border-color:var(--accent-border);background:var(--surface-sunken);transform:translateY(-1px)}.grammar-card__shortcut-note{font-family:var(--font-sans),system-ui,sans-serif;font-size:var(--text-size-caption);color:var(--text-tertiary);font-weight:500}.grammar-deck__rail-card{background:var(--gd-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:var(--space-5);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:var(--space-4)}.grammar-deck__rail-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2)}.grammar-deck__rail-steps-badge{font-family:var(--font-sans),system-ui,sans-serif;font-size:var(--text-size-caption);font-weight:600;font-variant-numeric:tabular-nums;color:var(--text-secondary);background:var(--surface-sunken);padding:.125rem 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#fca5a5;border-radius:999px;color:#991b1b;font-size:.9375rem}.grammar-pairs__bad-icon{display:inline-flex;align-items:center;justify-content:center;width:1.125rem;height:1.125rem;border-radius:50%;background:#ef4444;color:#ffffff;flex-shrink:0}.grammar-pairs__bad-text{text-decoration:line-through;font-weight:400}.grammar-pairs__td-good{vertical-align:middle}.grammar-pairs__good-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.grammar-pairs__good-main{display:flex;gap:.625rem;flex-wrap:wrap}.grammar-pairs__good-icon{display:inline-flex;align-items:center;justify-content:center;width:1.25rem;height:1.25rem;border-radius:50%;background:#10b981;color:#ffffff;flex-shrink:0}.grammar-pairs__good-text{font-size:.9375rem;color:#0f172a}.grammar-pairs__note-badge{display:inline-flex;align-items:center;padding:.125rem .625rem;background:#d1fae5;border:1px solid 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.75rem;background:#0f172a;color:#ffffff;border-radius:999px;font-family:var(--font-sans),system-ui,sans-serif;font-size:.75rem;font-weight:700;flex-shrink:0}.grammar-card__convention-text{font-size:.8125rem;line-height:1.3;color:#334155;font-weight:500}.dark .grammar-deck{--gd-surface:oklch(0.24 0.045 292);--gd-violet-50:oklch(0.30 0.075 292);--gd-violet-100:oklch(0.34 0.09 292);--gd-violet-200:oklch(0.44 0.11 292);--gd-violet-300:oklch(0.50 0.12 292);--gd-violet-400:oklch(0.60 0.13 292);--gd-violet-text:oklch(0.84 0.10 292);--gd-violet-text-strong:oklch(0.90 0.06 292);--gd-violet-fill:oklch(0.36 0.12 292);--gd-violet-fill-border:oklch(0.48 0.14 292)}.dark .grammar-deck__head-bar,.dark .grammar-deck__rail-card{background:oklch(.24 .05 292);border-color:oklch(.38 .08 292)}.dark .grammar-deck__back-round,.dark .grammar-deck__rail-exit-btn{background:oklch(.3 .06 292);border-color:oklch(.42 .09 292)}.dark .grammar-deck__rail-badge,.dark .grammar-deck__rail-steps-badge{background:oklch(.32 .07 292);border-color:oklch(.44 .09 292);color:var(--gd-violet-text)}.dark .grammar-deck__rail-item--active{background:linear-gradient(135deg,oklch(.36 .12 292),oklch(.3 .1 290));border-color:oklch(.52 .14 292)}.dark .grammar-deck__rail-item:hover{background:oklch(.3 .06 292)}.dark .grammar-deck__icon-squircle{background:oklch(.34 .1 292);color:var(--gd-violet-text)}.grammar-deck__head-bar{display:grid;grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"back center actions" "prog prog prog";align-items:center;gap:var(--space-2) var(--space-3);padding:var(--space-3);border-radius:var(--radius-2xl)}.grammar-deck__back-round{grid-area:back;width:2.25rem;height:2.25rem}.grammar-deck__head-center{grid-area:center}.grammar-deck__head-actions{grid-area:actions}.grammar-deck__head-prog-wrap{grid-area:prog;width:100%;flex-shrink:1}.grammar-deck__segmented-bar{flex:1;min-width:0}.grammar-deck__segment{flex:1;width:auto;min-width:0}.grammar-deck__title{font-size:1.125rem}.grammar-card{padding:var(--space-4);border-radius:var(--radius-xl)}.grammar-card__top{flex-wrap:wrap;gap:var(--space-2)}.grammar-card__watermark{display:none}.grammar-card__inner-white{margin-top:var(--space-3)}.grammar-contrast{grid-template-columns:1fr;gap:var(--space-2)}.grammar-contrast__col{padding:var(--space-3);gap:var(--space-2)}.grammar-card__actions-row,.grammar-card__btn-group{flex-direction:column;align-items:stretch;width:100%;gap:var(--space-2)}.grammar-card__advance,.grammar-card__save-terms-btn{width:100%;justify-content:center}.grammar-card__shortcut-note{display:none}@media (min-width:640px){.grammar-deck__head-bar{grid-template-columns:auto minmax(0,1fr) auto auto;grid-template-areas:"back center prog actions";padding:var(--space-2) var(--space-4);border-radius:var(--radius-full)}.grammar-deck__head-prog-wrap{width:auto}.grammar-deck__segmented-bar{flex:none}.grammar-deck__segment{flex:none;width:1.5rem}.grammar-deck__back-round{width:2.75rem;height:2.75rem}.grammar-deck__title{font-size:1.375rem}.grammar-card{padding:var(--space-6);border-radius:var(--radius-2xl)}.grammar-card__watermark{display:block;font-size:4rem}.grammar-contrast{grid-template-columns:1fr 1fr;gap:var(--space-3)}.grammar-contrast__col{padding:var(--space-4);gap:var(--space-3)}.grammar-card__actions-row,.grammar-card__btn-group{flex-direction:row;align-items:center;width:auto}.grammar-card__advance,.grammar-card__save-terms-btn{width:auto}.grammar-card__shortcut-note{display:inline}}@media (min-width:768px){.grammar-deck__segment{width:2rem}.grammar-deck__title{font-size:1.5rem}.grammar-card__watermark{font-size:4.5rem}}@media (min-width:1024px){.grammar-deck__head-bar{padding:var(--space-3) var(--space-6)}.grammar-deck__segment{width:3rem}.grammar-deck__title{font-size:1.75rem}.grammar-card{padding:var(--space-8)}.grammar-card__watermark{font-size:6rem;top:1.25rem;right:2rem}}@media (min-width:1536px){.grammar-deck__wrap{max-width:82rem}.grammar-deck__grid{grid-template-columns:minmax(0,1fr) 22rem}}.dark .grammar-deck__segment{background:oklch(.34 .06 292)}.dark .grammar-deck__segment--filled{background:oklch(.72 .17 292)}.grammar-deck{--gd-cta:oklch(0.54 0.245 293);--gd-cta-hover:oklch(0.48 0.24 293);--gd-accent-text:oklch(0.42 0.2 293)}.grammar-card,.grammar-card__meeting-banner{--text-primary:var(--ink);--text-secondary:var(--ink-secondary);--text-tertiary:var(--ink-muted);--surface-sunken:var(--lilac-soft);--border-subtle:color-mix(in oklch,var(--ink) 10%,transparent);--border-default:color-mix(in oklch,var(--ink) 16%,transparent);--primary:var(--gd-accent-text);--gd-surface:var(--paper);--gd-violet-50:var(--lilac-soft);--gd-violet-100:var(--lilac-soft);--gd-violet-200:var(--lilac);--gd-violet-300:var(--lilac-deep);--gd-violet-400:var(--lilac-deep);--gd-violet-text:var(--gd-accent-text);--gd-violet-text-strong:oklch(0.3 0.15 293);color:var(--ink)}.grammar-card{background:var(--lilac);border:1px solid var(--lilac-deep);border-radius:1.75rem}.grammar-card__tag-black{background:var(--ink);color:var(--paper)}.grammar-card__step-pill{background:color-mix(in oklch,var(--lilac-deep) 55%,var(--lilac));color:var(--ink-secondary)}.grammar-card__title{font-size:2.125rem;line-height:1.08}.grammar-card__inner-white{background:var(--paper);border:0;border-radius:1.5rem;box-shadow:none}.grammar-card__meeting-banner{background:var(--butter);border:1px solid var(--butter-deep);color:var(--ink)}.grammar-card__meeting-play{background:var(--ink);color:var(--paper)}.grammar-card__meeting-repeat-btn:hover{background:color-mix(in oklch,var(--ink) 8%,transparent)}.grammar-card__convention-card{background:var(--paper);border-color:var(--lilac-deep)}.grammar-card__convention-badge{background:var(--ink);color:var(--paper)}.grammar-card__convention-text,.grammar-card__conventions-header{color:var(--ink-secondary)}.grammar-vtable thead{background:var(--lilac-soft);border-bottom-color:var(--lilac)}.grammar-vtable th{color:var(--ink-secondary)}.grammar-pairs__tr td,.grammar-vtable td{border-bottom-color:var(--border-subtle)}.grammar-pairs__good-text,.grammar-vtable__example b,.grammar-vtable__key-text{color:var(--ink)}.grammar-vtable__ipa{color:var(--ink-muted)}.grammar-vtable__example,.grammar-vtable__gloss{color:var(--ink-secondary)}.grammar-vtable .grammar-rules__highlight{font-weight:700;color:var(--ink)}.grammar-card .gd-speak{background:var(--lilac-soft);border-color:transparent;color:var(--ink)}.grammar-card .gd-speak:hover{background:var(--lilac)}.grammar-card .gd-speak--on,.grammar-card__advance{background:var(--gd-cta);color:var(--on-solid)}.grammar-card__advance:hover{background:var(--gd-cta-hover)}.grammar-card__advance--soft{background:var(--success-soft);color:var(--success-value,var(--success))}.dark .grammar-deck__segment--filled,.grammar-deck__segment--filled{background:var(--gd-cta)}.grammar-deck__segment--current:not(.grammar-deck__segment--filled){background:transparent;box-shadow:inset 0 0 0 2px var(--gd-cta)}.grammar-card__save-icon{flex-shrink:0}.grammar-deck__menu,.grammar-deck__picker{position:relative}.grammar-deck__menu{grid-area:menu}.grammar-deck__picker{grid-area:picker}.grammar-deck__menu-btn,.grammar-deck__picker-pill{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-1);height:2.75rem;border-radius:999px;border:1px solid var(--border-default);background:var(--gd-surface);color:var(--text-primary);font-family:var(--font-display),"Bricolage Grotesque",system-ui,sans-serif;font-size:var(--text-size-body-sm);font-weight:700;font-variant-numeric:tabular-nums;cursor:pointer}.grammar-deck__picker-pill{padding-inline:var(--space-4)}.grammar-deck__menu-btn{width:2.75rem}.grammar-deck__head-actions--open,.grammar-deck__popover{position:absolute;top:calc(100% + var(--space-2));right:0;z-index:30;background:var(--gd-surface);border:1px solid var(--border-default);box-shadow:var(--shadow-md)}.grammar-deck__popover{min-width:15rem;max-height:60dvh;overflow-y:auto;margin:0;padding:var(--space-1);list-style:none;border-radius:var(--radius-xl)}.grammar-deck__popover-item{width:100%;display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);min-height:2.75rem;text-align:left;border:0;border-radius:var(--radius-md);background:transparent;color:var(--text-primary);font-family:inherit;font-size:var(--text-size-body-sm);cursor:pointer}.grammar-deck__popover-item--active{background:var(--gd-violet-50);font-weight:700}.grammar-deck__popover-num{display:inline-flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;flex-shrink:0;border-radius:50%;background:var(--surface-sunken);font-size:var(--text-size-caption);font-variant-numeric:tabular-nums}.grammar-deck__popover-item--active .grammar-deck__popover-num{background:var(--gd-cta);color:var(--on-solid)}.grammar-deck__popover-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width:639px){.grammar-deck .grammar-deck__head-bar{grid-template-columns:auto minmax(0,1fr) auto auto;grid-template-areas:"back center picker menu" "prog prog prog prog";gap:var(--space-3);padding:0;background:transparent;border:0;box-shadow:none;border-radius:0}.grammar-deck .grammar-deck__back-round{width:2.75rem;height:2.75rem}.grammar-deck__count-label,.grammar-deck__icon-squircle{display:none}.grammar-deck__identity{gap:0;min-width:0}.grammar-deck__title{font-size:1.0625rem;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.grammar-deck__segmented-bar{gap:var(--space-2)}.grammar-deck__segment{height:.375rem}.grammar-deck__head-actions{display:none}.grammar-deck__head-actions--open{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:999px}.grammar-vtable,.grammar-vtable tbody{display:block}.grammar-vtable thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.grammar-vtable tbody tr{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"verbo action" "gloss action" "example action";column-gap:var(--space-3);row-gap:.125rem;align-items:center;padding:var(--space-4);border-bottom:1px solid var(--border-subtle)}.grammar-vtable tbody tr:last-child{border-bottom:0}.grammar-vtable td{display:block;padding:0;border:0}.grammar-vtable td.grammar-vtable__verbo{grid-area:verbo;display:flex;flex-direction:row;flex-wrap:wrap;align-items:baseline;gap:var(--space-1) var(--space-2)}.grammar-vtable__key-text{font-size:1.375rem;line-height:1.2}.grammar-vtable__ipa{margin-top:0;font-size:var(--text-size-body-sm)}.grammar-vtable td.grammar-vtable__gloss{grid-area:gloss;font-size:1.0625rem;font-weight:700;color:var(--ink-secondary)}.grammar-vtable td.grammar-vtable__example{grid-area:example;font-size:var(--text-size-body-sm);color:var(--ink-muted)}.grammar-vtable td.grammar-vtable__action{grid-area:action;width:auto;padding:0}.grammar-vtable .gd-speak{width:3rem;height:3rem}.grammar-deck__wrap{padding-bottom:calc(6rem + env(safe-area-inset-bottom, 0px))}.grammar-card__actions-row{position:fixed;inset-inline:0;bottom:0;z-index:20;flex-direction:row;flex-wrap:nowrap;align-items:center;padding:var(--space-3) var(--space-4) calc(var(--space-3) + env(safe-area-inset-bottom, 0px));background:var(--surface-base);border-top:1px solid var(--border-subtle)}.grammar-card__btn-group{flex:1;flex-direction:row;flex-wrap:nowrap;gap:var(--space-3)}.grammar-card__advance{flex:1;width:auto;min-height:3.25rem}.grammar-card__save-terms-btn{flex-shrink:0;width:3.25rem;height:3.25rem;min-height:0;padding:0;border-radius:50%;justify-content:center}.grammar-card__save-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}}@media (min-width:640px){.grammar-deck .grammar-deck__head-bar{grid-template-areas:"back center prog menu"}.grammar-deck__menu-btn,.grammar-deck__picker{display:none}.grammar-deck__menu .grammar-deck__head-actions{display:flex}.grammar-card__title{font-size:2.25rem}.grammar-card{border-radius:2rem}}.grammar-card__inner-white .grammar-vtable{background:transparent}.grammar-deck__segment{background:color-mix(in oklch,var(--text-primary) 12%,transparent)}@media (max-width:639px){.grammar-deck__eyebrow{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.grammar-card__meeting-banner{flex-wrap:wrap;align-items:flex-start;padding:var(--space-4)}.grammar-card__meeting-content{flex-basis:calc(100% - 4rem);min-width:0}.grammar-card__meeting-repeat-btn{width:100%}.grammar-pairs-table tbody tr.grammar-pairs__tr{display:flex;flex-direction:column;align-items:stretch;gap:var(--space-2)}.grammar-pairs__bad-pill{align-items:flex-start;border-radius:var(--radius-lg)}.grammar-pairs__bad-icon{margin-top:.125rem}.grammar-pairs__good-main{flex:1;min-width:0;align-items:flex-start}.grammar-pairs__good-icon{margin-top:.125rem}.grammar-pairs__good-text{flex:1 1 0;min-width:0}.grammar-pairs__good-main{flex-wrap:wrap}.grammar-pairs__good-text{flex-basis:calc(100% - 2rem)}.grammar-pairs__note-badge{margin-left:1.875rem}}.grammar-card__cta-bar{display:contents}.grammar-card__swipe-hint{display:none}.grammar-card__meeting-quote b{font-weight:800}.grammar-card__meeting-repeat-btn{gap:var(--space-2)}@media (max-width:639px){.grammar-card__meeting-banner{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-areas:"play kicker" "quote quote" "trans trans" "repeat repeat";align-items:center;gap:var(--space-3) var(--space-3);padding:var(--space-5) var(--space-4);border-radius:1.75rem}.grammar-card__meeting-play{grid-area:play;width:3.5rem;height:3.5rem}.grammar-card__meeting-content{display:contents}.grammar-card__meeting-kicker{grid-area:kicker;font-size:var(--text-size-caption);letter-spacing:.14em;opacity:1}.grammar-card__meeting-quote{grid-area:quote;margin-top:var(--space-2);font-size:1.375rem;font-weight:600;line-height:1.35}.grammar-card__meeting-translation{grid-area:trans;font-size:var(--text-size-body);line-height:1.45;color:var(--ink-muted);opacity:1}.grammar-card__meeting-repeat-btn{grid-area:repeat;width:100%;min-height:3.5rem;border-width:2px;border-color:var(--ink);font-size:var(--text-size-body)}.grammar-card__actions-row,.grammar-card__btn-group{position:static;flex-direction:column;align-items:stretch;width:100%;padding:0;border:0;background:transparent;gap:var(--space-3)}.grammar-card__cta-bar{display:block;position:fixed;inset-inline:0;bottom:0;z-index:20;padding:var(--space-3) var(--space-4) calc(var(--space-3) + env(safe-area-inset-bottom, 0px));background:var(--surface-base);border-top:1px solid var(--border-subtle)}.grammar-card__advance{width:100%}.grammar-card__save-terms-btn{width:100%;height:auto;min-height:3.25rem;padding:var(--space-3) var(--space-5);border-radius:999px;justify-content:center}.grammar-card__save-label{position:static;width:auto;height:auto;overflow:visible;clip-path:none}.grammar-card__swipe-hint{display:block;text-align:center;font-size:var(--text-size-body-sm);color:var(--gd-violet-text)}}.grammar-card__bookmark{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:3rem;height:3rem;border-radius:50%;border:1px solid var(--border-default);background:var(--gd-surface);color:var(--text-primary);cursor:pointer}.grammar-card__bookmark[aria-pressed=true]{background:var(--lilac-soft);border-color:var(--lilac-deep);color:var(--ink)}@media (max-width:639px){.grammar-card__cta-bar{display:flex;align-items:center;gap:var(--space-3)}.grammar-card__cta-bar .grammar-card__advance{flex:1;min-width:0}.grammar-card__bookmark{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:3.25rem;height:3.25rem;border-radius:50%;border:1px solid var(--border-default);background:var(--gd-surface);color:var(--text-primary);cursor:pointer}.grammar-card__bookmark[aria-pressed=true]{background:var(--lilac-soft);border-color:var(--lilac-deep);color:var(--ink)}}.grammar-sheet__backdrop{position:fixed;inset:0;z-index:60;background:color-mix(in oklch,var(--ink) 45%,transparent)}.grammar-sheet{position:fixed;inset-inline:0;bottom:0;z-index:61;max-height:88dvh;overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-3) var(--space-4) calc(var(--space-4) + env(safe-area-inset-bottom, 0px));background:var(--gd-surface);color:var(--text-primary);border-radius:2rem 2rem 0 0;box-shadow:var(--shadow-lg,var(--shadow-md))}.grammar-sheet__handle{align-self:center;width:2.5rem;height:.3125rem;border-radius:999px;background:var(--border-default)}.grammar-sheet__head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.grammar-sheet__title{font-family:var(--font-display),"Bricolage Grotesque",system-ui,sans-serif;font-size:1.625rem;font-weight:800;letter-spacing:-.02em}.grammar-sheet__badge{padding:var(--space-1) var(--space-4);border-radius:999px;border:1px solid var(--border-default);background:var(--surface-sunken);font-size:var(--text-size-body-sm);font-weight:700;font-variant-numeric:tabular-nums}.grammar-sheet__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-1)}.grammar-sheet__item{width:100%;display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3);min-height:3.5rem;border:0;border-radius:1.25rem;background:transparent;color:var(--text-primary);font-family:inherit;font-size:var(--text-size-body);text-align:left;cursor:pointer}.grammar-sheet__item--active{background:var(--lilac-soft);color:var(--gd-cta);font-weight:700}.grammar-sheet__num{display:inline-flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;flex-shrink:0;border-radius:50%;border:1px solid var(--border-default);background:var(--surface-sunken);font-weight:700;font-variant-numeric:tabular-nums;color:var(--text-primary)}.grammar-sheet__item--active .grammar-sheet__num{background:var(--gd-cta);border-color:var(--gd-cta);color:var(--on-solid)}.grammar-sheet__label{flex:1;min-width:0}.grammar-sheet__here{font-size:var(--text-size-caption);font-weight:800;letter-spacing:.06em}.grammar-sheet__foot{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--border-subtle)}.grammar-sheet__btn{display:inline-flex;align-items:center;justify-content:center;min-height:3.5rem;padding:var(--space-2) var(--space-4);border-radius:999px;border:1px solid var(--border-default);background:var(--surface-sunken);color:var(--text-primary);font-family:inherit;font-size:var(--text-size-body-sm);font-weight:700;text-align:center;text-decoration:none;cursor:pointer}.grammar-sheet__btn--on{background:var(--lilac-soft);border-color:var(--lilac-deep)}.grammar-sheet__btn--danger{background:var(--error-soft);border-color:var(--error-border);color:var(--error-value,var(--error))}@media (min-width:640px){.grammar-sheet,.grammar-sheet__backdrop{display:none}}.grammar-deck .grammar-deck__title{font-family:var(--font-sans),system-ui,sans-serif;font-size:1rem;font-weight:700;line-height:1.3;letter-spacing:0}.grammar-deck .grammar-deck__count-label{font-weight:700;color:var(--text-primary)}.grammar-deck .grammar-deck__head-actions>a,.grammar-deck .grammar-deck__head-actions>button{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);height:2.75rem;min-width:2.75rem;padding:0 var(--space-5);border:1px solid var(--border-default);border-radius:999px;background:var(--gd-surface);color:var(--text-primary);font-family:var(--font-sans),system-ui,sans-serif;font-size:var(--text-size-body-sm);font-weight:600;line-height:1;transition:background var(--transition-fast),border-color var(--transition-fast)}.grammar-deck .grammar-deck__head-actions>button:hover{background:var(--surface-sunken);border-color:var(--accent-border)}.grammar-deck .grammar-deck__head-actions>button:last-child:not(:first-child),.grammar-deck .grammar-deck__head-actions>button:only-child[aria-label]{width:2.75rem;padding:0}.grammar-deck .grammar-deck__head-actions>button svg{width:1.125rem;height:1.125rem}@media (min-width:640px){.grammar-card__cta-bar .grammar-card__bookmark{display:none}.grammar-card__btn-group{gap:var(--space-2)}.grammar-card__btn-group .grammar-card__save-terms-btn{margin-left:var(--space-4)}}.grammar-deck__lesson-save[aria-pressed=true]{background:var(--lilac-soft);border-color:var(--lilac-deep);color:var(--ink)}.grammar-deck .grammar-deck__identity{gap:.125rem;min-width:0}.grammar-deck .grammar-deck__eyebrow{font-size:.6875rem;line-height:1.2;letter-spacing:.06em}.grammar-deck .grammar-deck__title{line-height:1.2;margin:0}.grammar-deck .grammar-deck__head-center{gap:var(--space-3)}.grammar-pairs-table{table-layout:fixed}.grammar-pairs-table th:first-child{width:34%}.grammar-pairs__tr td{padding:var(--space-4) var(--space-5)}.grammar-pairs__bad-pill{display:flex;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-3) var(--space-4);background:var(--coral-soft);border:0;border-radius:1rem;color:var(--ink-muted);font-size:var(--text-size-body)}.grammar-pairs__bad-icon{width:1.75rem;height:1.75rem;background:var(--coral-deep);color:var(--ink)}.grammar-pairs__bad-text{text-decoration-color:var(--coral-deep)}.grammar-pairs__good-row{gap:var(--space-4)}.grammar-pairs__good-main{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:var(--space-2) var(--space-3);flex:1;min-width:0}.grammar-pairs__good-icon{width:1.75rem;height:1.75rem;background:var(--mint-deep);color:var(--ink)}.grammar-pairs__good-text{font-size:1.125rem;font-weight:500;line-height:1.35;color:var(--ink)}.grammar-pairs__note-badge{grid-column:2;justify-self:start;padding:.25rem .75rem;background:var(--mint-soft);border:0;color:var(--ink);font-size:var(--text-size-caption);font-weight:700}.grammar-pairs__tr .gd-speak{width:3rem;height:3rem}@media (max-width:639px){.grammar-pairs__good-main{flex-wrap:nowrap;align-items:start}.grammar-pairs__good-icon{margin-top:.125rem}.grammar-pairs__note-badge{margin-left:0}.grammar-pairs__tr td{padding:0}.grammar-pairs-table tbody tr.grammar-pairs__tr{padding:var(--space-4)}}.grammar-card .grammar-rules{background:var(--paper);border:0;border-radius:1.5rem}.grammar-card .grammar-rules__row{border-bottom-color:var(--border-subtle)}.grammar-card .grammar-rules__response-chip{gap:var(--space-2);padding:.25rem .75rem;border:0;border-radius:999px;background:var(--ink);color:var(--paper);font-weight:700}.grammar-card .grammar-rules__arrow-icon{opacity:.8}.grammar-card .grammar-card__tip,.grammar-card__convention-card{background:var(--lilac-soft);border:0;box-shadow:none}.grammar-card .grammar-card__tip{display:flex;align-items:center;gap:var(--space-3);max-width:none;padding:var(--space-3) var(--space-4);border-radius:1.5rem;color:var(--ink-secondary);font-size:var(--text-size-body-sm);line-height:1.4}.grammar-card .grammar-card__tip b{display:inline-flex;align-items:center;flex-shrink:0;padding:.25rem .75rem;border-radius:999px;background:var(--ink);color:var(--paper);font-size:var(--text-size-caption);font-weight:700}@media (min-width:640px){.grammar-vtable td.grammar-vtable__verbo{display:table-cell}.grammar-vtable__verbo>.grammar-vtable__ipa,.grammar-vtable__verbo>.grammar-vtable__key-text{display:block}}.grammar-card__advance,.grammar-card__advance:hover{color:var(--on-solid)}.grammar-card__advance--soft,.grammar-card__advance--soft:hover{color:var(--success-value,var(--success))}.grammar-deck .grammar-deck__rail-kicker{padding-left:0;font-family:var(--font-sans),system-ui,sans-serif;font-size:var(--text-size-caption);font-weight:700;line-height:1.2;letter-spacing:.1em;color:var(--text-secondary)}.grammar-contrast{padding:var(--space-3);gap:var(--space-3)}.grammar-contrast__col{align-items:flex-start;gap:var(--space-3);padding:var(--space-4);background:var(--lilac-soft);border:0;border-radius:1.5rem}.grammar-contrast__big{display:inline-flex;align-items:center;padding:.25rem .875rem;border-radius:999px;background:var(--ink);color:var(--paper);font-family:var(--font-sans),system-ui,sans-serif;font-size:var(--text-size-body-sm);font-weight:700;line-height:1.3;letter-spacing:0}.grammar-contrast__rule{color:var(--ink-muted);font-size:var(--text-size-body-sm);line-height:1.4}.grammar-contrast__ex{align-self:stretch;margin-top:auto;padding:var(--space-3) var(--space-4);border-radius:1rem;background:var(--paper);color:var(--ink);font-size:var(--text-size-body);font-weight:600;line-height:1.4}.grammar-card .grammar-conj{grid-template-columns:minmax(6.5rem,auto) 1fr;background:var(--paper);border:0;border-radius:1.5rem}.grammar-card .grammar-conj>div{background:transparent;padding:var(--space-4) var(--space-5)}.grammar-card .grammar-conj>div:nth-last-child(n+3){border-bottom:1px solid var(--border-subtle)}.grammar-card .grammar-conj__pron{font-style:normal;font-weight:600;color:var(--ink-secondary)}.grammar-card .grammar-conj__form{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2) var(--space-3);color:var(--ink)}.grammar-card .grammar-conj__form b{font-size:1.125rem;font-weight:800;color:var(--ink)}.grammar-card .grammar-conj__hint{padding:.125rem .625rem;border-radius:999px;background:var(--lilac-soft);color:var(--ink-muted);font-size:var(--text-size-caption);font-weight:600}.grammar-card .grammar-pron{gap:0;padding:var(--space-4) var(--space-5);background:var(--paper);border:0;border-radius:1.5rem}.grammar-card .grammar-pron__head{flex-wrap:wrap;padding-bottom:var(--space-3)}.grammar-card .grammar-pron__badge{padding:.25rem .875rem;border-radius:999px;background:var(--ink);color:var(--paper);font-size:var(--text-size-caption);font-weight:700}.grammar-card .grammar-pron__drill{color:var(--gd-accent-text);font-size:var(--text-size-caption);font-weight:700}.grammar-card .grammar-pron__list{gap:0}.grammar-card .grammar-pron__item{justify-content:space-between;padding:var(--space-3) 0;border-top:1px solid var(--border-subtle)}.grammar-card .grammar-pron__text{min-width:0;gap:.125rem}.grammar-card .grammar-pron__phrase{color:var(--ink);font-size:var(--text-size-body);font-weight:700;line-height:1.35}.grammar-card .grammar-pron__ipa{color:var(--ink-muted);font-size:var(--text-size-body-sm)}.grammar-card .grammar-pron__es,.grammar-card .grammar-pron__note{color:var(--ink-muted);font-size:var(--text-size-body-sm);line-height:1.4}.grammar-card .grammar-pron__note{margin-top:var(--space-2);padding:var(--space-3) var(--space-4);border-radius:1rem;background:var(--lilac-soft);color:var(--ink-secondary)}