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var(--practice);color:transparent;vertical-align:baseline;-webkit-user-select:none;-moz-user-select:none;user-select:none;background:linear-gradient(transparent 58%,rgba(23,138,132,.34) 58%);min-width:3.4rem;margin:0 .15rem;padding:0 .2rem .02em;line-height:1;display:inline-block}.practice-options{margin-left:0;margin-right:0;flex-direction:column;gap:1rem;margin-bottom:0;padding:0;list-style:none;display:flex}.practice-card .practice-actions{margin-top:1.5rem}.practice-card .ui-option{border-color:var(--border-strong);background:rgba(255,255,255,.94);border-radius:.375rem;align-items:center;padding:.55rem .7rem}@supports (color:color-mix(in lab, red, red)){.practice-card .ui-option{border-color:color-mix(in srgb,var(--border-strong)75%,white)}}.practice-card .ui-option{font-family:var(--font-sans),system-ui,sans-serif;letter-spacing:-.012em;font-size:1.02rem;font-weight:600;transition:border-color .14s,background-color .14s,box-shadow .14s,transform .14s;box-shadow:0 1px 2px rgba(18,37,34,.04)}.practice-card .ui-option:hover:not(:disabled){border-color:var(--practice-line);background:var(--practice-soft);transform:translateY(-1px);box-shadow:0 8px 18px rgba(13,56,54,.12)}.practice-card .ui-option:focus-visible{outline:2px solid var(--practice);outline-offset:2px}.practice-card .ui-option[data-selected=true]{border-color:var(--practice);box-shadow:inset 3px 0 0 var(--practice),0 8px 18px rgba(13,56,54,.14);background:#c5e6e1}.practice-card .ui-option[data-correct=true]{box-shadow:inset 3px 0 0 var(--accent),inset 0 0 0 1px var(--accent)}.practice-card .ui-option[data-wrong=true]{box-shadow:inset 3px 0 0 var(--danger),inset 0 0 0 1px var(--danger)}.practice-letter{background:var(--practice);color:#fff;width:2rem;height:2rem;font-family:var(--font-sans),system-ui,sans-serif;border:1px solid #0f6b66;border-radius:.25rem;flex-shrink:0;justify-content:center;align-items:center;margin-right:.7rem;font-size:.78rem;font-weight:700;display:inline-flex}.practice-card .ui-option[data-correct=true] .practice-letter{background:var(--accent);border-color:var(--accent);color:#fff}.practice-card .ui-option[data-wrong=true] .practice-letter{background:var(--danger);border-color:var(--danger);color:#fff}.practice-card .ui-option[data-dim=true] .practice-letter{background:var(--bs-gray-200);color:var(--bs-gray-500);border-color:transparent}.practice-card .ui-btn{border-radius:.375rem}.practice-card .ui-btn-writing{color:#fff;text-shadow:none;background:linear-gradient(rgba(255,255,255,.18) 0%,transparent 46%),linear-gradient(165deg,#2aa39c 0%,#178a84 55%,#0f6b66 100%);border-color:#1a7a74;box-shadow:inset 0 1px rgba(255,255,255,.28),0 4px 12px rgba(13,56,54,.24)}.practice-card .ui-btn-writing:hover:not(:disabled){background:linear-gradient(rgba(255,255,255,.14) 0%,transparent 46%),linear-gradient(165deg,#24968f 0%,#147870 55%,#0c5854 100%);border-color:#178a84;box-shadow:inset 0 1px rgba(255,255,255,.22),0 6px 14px rgba(13,56,54,.28)}.practice-reveal{border-top:1px solid var(--practice-ink);padding-top:1.5rem}@supports (color:color-mix(in lab, red, red)){.practice-reveal{border-top:1px solid color-mix(in srgb,var(--practice-ink)42%,transparent)}}.practice-result{border-radius:.375rem;margin-top:0;padding:.95rem 1.15rem}.practice-result[data-ok=true]{background:var(--accent-soft);border:1px solid var(--accent)}@supports (color:color-mix(in lab, red, red)){.practice-result[data-ok=true]{border:1px solid color-mix(in srgb,var(--accent)28%,transparent)}}.practice-result[data-ok=false]{background:var(--danger-soft);border:1px solid var(--danger)}@supports (color:color-mix(in lab, red, red)){.practice-result[data-ok=false]{border:1px solid color-mix(in srgb,var(--danger)28%,transparent)}}.practice-result-title{align-items:center;gap:.5rem;margin:0;font-size:1.5rem;font-weight:700;display:flex}.practice-result[data-ok=true] .practice-result-title{color:var(--accent-ink)}.practice-result[data-ok=false] .practice-result-title{color:var(--bs-danger-ink)}.quick-check:not([data-embedded=true]){border:1px solid var(--quiz)}@supports (color:color-mix(in lab, red, red)){.quick-check:not([data-embedded=true]){border:1px solid color-mix(in srgb,var(--quiz)32%,var(--border))}}.quick-check:not([data-embedded=true]){background:linear-gradient(165deg,var(--quiz-soft)0%,var(--surface)58%);box-shadow:0 1px 0 var(--quiz)}@supports (color:color-mix(in lab, red, red)){.quick-check:not([data-embedded=true]){box-shadow:0 1px 0 color-mix(in 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srgb,var(--quiz-ink)55%,var(--faint))}}.quick-check-step span{font-weight:500}.quick-check-letter{width:1.75rem;height:1.75rem;font-family:var(--font-sans),system-ui,sans-serif;background:var(--quiz-soft);color:var(--quiz-ink);border-radius:.375rem;flex-shrink:0;justify-content:center;align-items:center;margin-right:.75rem;font-size:.8125rem;font-weight:700;transition:background-color .12s,color .12s;display:inline-flex}.ui-option:hover:not(:disabled) .quick-check-letter{background:var(--quiz)}@supports (color:color-mix(in lab, red, red)){.ui-option:hover:not(:disabled) .quick-check-letter{background:color-mix(in srgb,var(--quiz)18%,var(--quiz-soft))}}.ui-option[data-selected=true] .quick-check-letter{background:var(--quiz);color:#fff}.ui-option[data-correct=true] .quick-check-letter{background:var(--accent);color:#fff}.ui-option[data-wrong=true] .quick-check-letter{background:var(--danger);color:#fff}.ui-option[data-dim=true] .quick-check-letter{background:var(--bs-gray-200);color:var(--bs-gray-500)}.quick-check-result{border-radius:var(--radius-sm);border:1px solid transparent;padding:.9rem 1.05rem}.quick-check-result[data-ok=true]{background:var(--accent-soft);border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.quick-check-result[data-ok=true]{border-color:color-mix(in srgb,var(--accent)28%,transparent)}}.quick-check-result[data-ok=false]{background:var(--danger-soft);border-color:var(--danger)}@supports (color:color-mix(in lab, red, red)){.quick-check-result[data-ok=false]{border-color:color-mix(in srgb,var(--danger)28%,transparent)}}.quick-check-result-title{align-items:center;gap:.4rem;margin:0 0 .35rem;font-size:1rem;font-weight:700;display:inline-flex}.quick-check-result[data-ok=true] .quick-check-result-title{color:var(--accent-ink)}.quick-check-result[data-ok=false] .quick-check-result-title{color:var(--bs-danger-ink)}.quick-check .ui-btn{border-radius:var(--radius-sm);letter-spacing:0;min-height:2.15rem;padding:.4rem .9rem;font-size:.9375rem;font-weight:600}.quick-check .ui-btn-quiz{background:linear-gradient(180deg,rgba(255,255,255,.22) 0%,transparent 50%),linear-gradient(165deg,white 0%,var(--quiz)55%,black 100%)}@supports (color:color-mix(in lab, red, red)){.quick-check .ui-btn-quiz{background:linear-gradient(180deg,rgba(255,255,255,.22) 0%,transparent 50%),linear-gradient(165deg,color-mix(in srgb,white 18%,var(--quiz))0%,color-mix(in srgb,var(--quiz)88%,white)55%,color-mix(in srgb,black 8%,var(--quiz))100%)}}.quick-check .ui-btn-quiz{border:1px solid var(--quiz)}@supports (color:color-mix(in lab, red, red)){.quick-check .ui-btn-quiz{border:1px solid color-mix(in srgb,var(--quiz)55%,white)}}.quick-check .ui-btn-quiz{color:#fff;text-shadow:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 2px 8px var(--quiz)}@supports (color:color-mix(in lab, red, red)){.quick-check .ui-btn-quiz{box-shadow:inset 0 1px 0 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.85rem}.dash-stat[data-tone=streak]{color:#8a4f10;background:#fff4e8;border-color:#f0d8bc}.dash-stat[data-tone=lesson]{color:#0b5c40;background:#e8f8ef;border-color:#c5e6d4}.dash-stat[data-tone=practice]{color:#1e3f8f;background:#eaf3fb;border-color:#cdddf0}.dash-stat[data-tone=revise]{color:#4a3578;background:#f3eef8;border-color:#ddd2ee}.dash-stat .dash-label{color:inherit;opacity:.72}.dash-stat .dash-stat-hint{color:inherit;opacity:.78}.dash-cal-nav{gap:.35rem;display:inline-flex}.dash-cal-nav button{border:1px solid var(--border);width:1.85rem;height:1.85rem;color:var(--ink);background:#fff;border-radius:.45rem;place-items:center;font-size:1rem;line-height:1;display:grid}.dash-cal-nav button:hover:not(:disabled){border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.dash-cal-nav button:hover:not(:disabled){border-color:color-mix(in srgb,var(--accent)45%,var(--border))}}.dash-cal-nav button:hover:not(:disabled){background:var(--accent-soft)}.dash-cal-nav 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#0d3836}.dash-cal-dot{background:#6b46c1;border-radius:999px;width:.28rem;height:.28rem;position:absolute;bottom:.18rem}.dash-cal-key{color:var(--muted);align-items:center;gap:.35rem;font-size:.7rem;display:inline-flex}.dash-cal-swatch{border-radius:.2rem;width:.7rem;height:.7rem}.dash-cal-swatch[data-state=goal]{background:#16a56b}.dash-cal-swatch[data-state=done]{background:#d7f5e8;box-shadow:inset 0 0 0 1px #b7e6cf}.dash-card--soft{background:linear-gradient(160deg,var(--mint)0%,var(--surface)55%)}@supports (color:color-mix(in lab, red, red)){.dash-card--soft{background:linear-gradient(160deg,color-mix(in srgb,var(--mint)45%,white)0%,var(--surface)55%)}}.dash-card--soft{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.dash-card--soft{border-color:color-mix(in srgb,var(--accent)18%,var(--border))}}.dash-card--hero{color:#f7f4fc;background:linear-gradient(135deg,#1c143c 0%,#2c1f58 55%,#3d2c72 100%);border:none;padding:1.35rem 1.35rem 1.45rem;position:relative;overflow:hidden}.dash-card--hero .dash-muted{color:rgba(244,251,248,.78)}.dash-label{letter-spacing:.08em;text-transform:uppercase;color:var(--faint);font-size:.7rem;font-weight:700}.dash-card--hero .dash-label{color:#e4d6ff}.heading-mark{letter-spacing:0;font-family:Apple Color Emoji,Segoe UI Emoji,Noto Color Emoji,sans-serif;font-weight:400}.dash-title{font-family:var(--font-display),var(--font-sans),system-ui,sans-serif;letter-spacing:-.03em;color:var(--ink);font-size:1.15rem;font-weight:800;line-height:1.25}.dash-card--hero .dash-title{color:#fff;font-size:max(1.45rem,min(2.4vw,1.85rem))}.dash-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;display:grid}@media (min-width:640px){.dash-actions{grid-template-columns:repeat(4,minmax(0,1fr))}}.dash-action{border:1px solid var(--border);background:var(--surface);color:inherit;flex-direction:column;gap:.35rem;padding:.85rem .9rem;text-decoration:none;transition:border-color .14s,box-shadow 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var(--accent);outline-offset:2px}.dash-action-icon{background:var(--accent-soft);width:2rem;height:2rem;color:var(--accent-ink);border-radius:.65rem;justify-content:center;align-items:center;font-size:.8rem;font-weight:800;display:inline-flex}.dash-ring{--pct:0;background:conic-gradient(var(--accent)calc(var(--pct)*1%),var(--border)0);border-radius:999px;flex-shrink:0;place-items:center;width:4.25rem;height:4.25rem;display:grid}.dash-ring>span{background:var(--surface);width:3.15rem;height:3.15rem;font-family:var(--font-display),sans-serif;color:var(--ink);border-radius:999px;place-items:center;font-size:.95rem;font-weight:800;display:grid}.nav-sidebar--fixed{width:var(--sidebar-width);min-width:var(--sidebar-width)}.nav-primary{flex-direction:column;gap:.2rem;padding:.75rem .7rem .35rem;display:flex}.nav-primary-link{color:var(--nav-text-muted);border-radius:.7rem;align-items:center;gap:.7rem;padding:.55rem .7rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:background .12s,color .12s;display:flex}.nav-primary-link:hover{background:var(--nav-bg-hover);color:var(--nav-text)}.nav-primary-link[data-active=true]{background:var(--nav-bg-active);color:var(--nav-text)}.nav-primary-link:focus-visible{outline:2px solid var(--nav-accent);outline-offset:2px}.nav-primary-ico{opacity:.9;width:1.15rem}.nav-upgrade{border-radius:var(--radius);color:var(--ink);box-shadow:var(--shadow-sm);background:#fff;margin:.75rem;padding:.95rem}.nav-upgrade p{margin:0}.shell-topbar{border-bottom:1px solid var(--border)}@supports (color:color-mix(in lab, red, red)){.shell-topbar{border-bottom:1px solid color-mix(in srgb,var(--border)80%,transparent)}}.shell-topbar{background:var(--surface)}@supports (color:color-mix(in lab, red, red)){.shell-topbar{background:color-mix(in 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learn-route-pulse}.learn-route-loading-bar{height:.85rem}.learn-route-loading-panel{border-radius:var(--radius);height:9rem}@keyframes learn-route-pulse{50%{opacity:.5}}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-space-x-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-divide-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-gradient-position{syntax:"*";inherits:false}@property 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