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(hover:hover){.rail-icon:hover{color:var(--ink);background:var(--surface)}}.rail-icon.active{color:var(--lapis);background:var(--lapis-soft)}.rail-icon:focus-visible{outline:2px solid var(--lapis);outline-offset:2px}.rail-face{border:1px solid var(--line);border-radius:50%}.rail-face.known{background:var(--lapis-soft);color:var(--lapis);border-color:#0000}@media (hover:hover){.rail-face:hover{background:var(--surface);border-color:var(--muted)}.rail-face.known:hover{background:var(--lapis-soft);border-color:var(--lapis)}}.face-initial{font-family:var(--ff-mono);font-size:var(--fs-sm);font-weight:500;line-height:1}@media (width>=900px){.rail.collapsed{width:63px}.rail.collapsed .wordmark{display:none}.rail.collapsed .rail-head{justify-content:center;padding-left:0;padding-right:0}.rail.collapsed .rail-head .rail-toggle{margin-left:0}.rail.collapsed .nav-item{justify-content:center;width:34px;height:34px;padding:0}.rail.collapsed .nav-label{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.rail.collapsed .rail-foot{flex-direction:column-reverse;gap:4px;padding:8px 0 0}.rail.collapsed .rail-cog{margin-left:0}}.lang-chip{border:1px solid var(--line);border-radius:var(--r-md);font-size:var(--fs-sm);cursor:pointer;align-items:center;gap:9px;margin-top:6px;padding:9px 12px;display:flex;position:relative}@media (hover:hover){.lang-chip:hover{border-color:var(--muted)}}.lang-chip:has(select:focus-visible){outline:2px solid var(--lapis);outline-offset:2px}.lang-chip:after{content:"";border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);width:6px;height:6px;margin-left:auto;transform:translateY(-2px)rotate(45deg)}.lang-chip select{opacity:0;cursor:pointer;width:calc(100% + 2px);height:calc(100% + 2px);font:inherit;position:absolute;inset:-1px}.setting>.lang-chip{justify-self:start;min-width:11rem}.lang-chip .flag{font-family:var(--ff-mono);font-size:var(--fs-2xs);color:var(--lapis);background:var(--lapis-soft);border-radius:var(--r-sm);letter-spacing:.06em;padding:2px 5px;font-weight:500}.main-wrap{flex:1;min-width:0}.main-wrap:focus{outline:none}.main{width:100%;min-width:0;max-width:var(--measure-page);padding:var(--space-7) var(--space-7) var(--space-8);flex:1;margin-inline:auto}@keyframes screen-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.main:not(:empty){animation:screen-in var(--dur-quick) var(--ease-out) both}.h-greet{font-family:var(--ff-display);font-size:var(--fs-2xl);letter-spacing:.02em}.h-date{color:var(--muted);font-size:var(--fs-sm);margin-top:var(--space-1);max-width:var(--measure-read)}.runhead{padding-bottom:var(--space-4);border-bottom:1px solid var(--line);margin-bottom:var(--space-6);justify-content:space-between;align-items:flex-end;gap:var(--space-4);flex-wrap:wrap;display:flex}.runhead-actions{gap:var(--space-2);align-items:center;display:flex}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg)}.home-hero{padding:var(--space-6) var(--space-6) var(--space-5);gap:var(--space-5);flex-direction:column;display:flex}.hero-count{font-family:var(--ff-display);font-size:var(--fs-xl);letter-spacing:.01em;text-wrap:balance;line-height:1.25}.hero-count .num{font-family:var(--ff-display);color:var(--lapis)}.hero-sub{color:var(--muted);font-size:var(--fs-sm);margin-top:var(--space-1)}.btn-hero{margin-top:var(--space-5);width:100%;min-height:52px;font-size:var(--fs-lg);padding:14px 24px}.hero-alt{gap:var(--space-3);padding-top:var(--space-5);border-top:1px solid var(--line);flex-wrap:wrap;display:flex}.hero-alt .btn{flex:0 auto}.ring-done-word{font-family:var(--ff-display);font-size:var(--fs-xl);color:var(--verde)}.stats-section{font-family:var(--ff-display);font-size:var(--fs-lg);letter-spacing:.03em;margin:var(--space-6) 0 var(--space-3);font-weight:400}.stats-section:first-of-type{margin-top:0}.tiles-grid{gap:var(--space-3);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}@media (width<=1023px){.tiles-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=339px){.tiles-grid{grid-template-columns:minmax(0,1fr)}}.tile.empty .t-value{color:var(--muted)}.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);min-width:148px;padding:var(--space-3) var(--space-4);flex:1}.t-label{font-size:var(--fs-2xs);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600}.t-value{font-size:var(--fs-xl);text-wrap:pretty;margin-top:4px;line-height:1.3}.t-value-phrase{font-size:var(--fs-lg)}.t-sub{font-size:var(--fs-xs);color:var(--muted);margin-top:2px;line-height:1.4}.t-give{font-size:var(--fs-xs);color:var(--muted);font-family:var(--ff-mono)}.t-delta{font-size:var(--fs-xs);color:var(--muted);font-family:var(--ff-mono);font-variant-numeric:tabular-nums;margin-left:7px}.tiles-note{font-size:var(--fs-xs);color:var(--muted);margin-top:var(--space-3)}.laurel{color:var(--ochre);vertical-align:-3px;margin-right:7px;display:inline-flex}.session-line{font-size:var(--fs-sm);color:var(--muted);margin-top:16px}.session-line .num{color:var(--ink);font-weight:500}.gate{padding:var(--space-7) var(--space-5);background:var(--aside);isolation:isolate;flex:1;justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative;overflow:hidden}.gate-frame{border-radius:calc(var(--r-lg) + 10px);background:color-mix(in srgb, var(--lapis-soft) 76%, transparent);width:100%;max-width:26rem;box-shadow:0 12px 32px color-mix(in srgb, var(--ink) 10%, transparent);padding:10px;position:relative}.gate-card{padding:var(--space-6) var(--space-6) var(--space-5);gap:var(--space-4);flex-direction:column;display:flex}.gate-mark{font-family:var(--ff-display);font-size:var(--fs-lg);letter-spacing:.16em;text-transform:uppercase;color:var(--lapis);text-align:center;margin-bottom:var(--space-1)}.gate-lede{font-size:var(--fs-sm);color:var(--muted);text-align:center;text-wrap:pretty;line-height:1.5}.gate-who{font-family:var(--ff-mono);font-size:var(--fs-sm);color:var(--muted);text-align:center;word-break:break-all}.gate-field{flex-direction:column;gap:6px;display:flex}.gate-label{font-size:var(--fs-sm);font-weight:500}.gate-field .field{max-width:100%}.gate-hint{font-size:var(--fs-xs);color:var(--muted)}.gate-hint-block{text-align:center;line-height:1.5}.gate-go{width:100%}.gate-switch{align-self:center}.gate-msg{font-size:var(--fs-sm);color:var(--rosso);text-align:center;text-wrap:pretty;line-height:1.45}.gate-foot{justify-content:space-between;align-items:center;gap:var(--space-3);margin-top:var(--space-2);padding-top:var(--space-4);border-top:1px solid var(--line);display:flex}.gate-leave{margin-left:auto}.gate-foot-code{border-top:none;flex-direction:column;align-items:center;gap:0;margin-top:0;padding-top:0}.code-row{grid-template-columns:repeat(6,minmax(0,1fr));align-items:center;gap:6px;display:grid}.code-cell{display:flex;position:relative}.code-dot{background:var(--muted);border-radius:50%;width:3px;height:3px;margin-top:-1.5px;margin-left:-1.5px;position:absolute;top:50%;left:-6px}.code-box{text-align:center;width:100%;min-height:52px;font-family:var(--ff-mono);font-size:var(--fs-xl);color:var(--ink);background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-md);outline:none;padding:0}.code-box:focus-visible{outline:2px solid var(--lapis);outline-offset:2px}.code-box:disabled{color:var(--muted)}.prof-head{align-items:flex-start;gap:var(--space-5);padding:var(--space-6);display:flex}.prof-disc{border:1px solid var(--line);width:76px;height:76px;color:var(--muted);font-family:var(--ff-mono);font-size:var(--fs-2xl);border-radius:50%;flex:none;justify-content:center;align-items:center;font-weight:500;line-height:1;display:flex}.prof-disc.known{background:var(--lapis-soft);color:var(--lapis);border-color:#0000}.prof-who{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.prof-name{font-family:var(--ff-display);font-size:var(--fs-xl);letter-spacing:.01em;word-break:break-word}.prof-who .flag-count{align-self:flex-start}.prof-signin{margin-top:var(--space-2);align-self:flex-start}.prof-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}@media (width<=620px){.prof-tiles{grid-template-columns:minmax(0,1fr)}}.prof-links{gap:var(--space-4);margin-top:var(--space-5);display:flex}.prof-link{justify-content:space-between;align-items:center;gap:var(--space-4);padding:var(--space-5);font-size:var(--fs-sm);text-align:left;cursor:pointer;flex:1;display:flex}@media (hover:hover){.prof-link:hover{border-color:var(--lapis)}.prof-link:hover .level-chevron{transform:translate(3px)}}.prof-link:active{transform:scale(.995)}.prof-link:focus-visible{outline:2px solid var(--lapis);outline-offset:2px}@media (width<=620px){.prof-links{flex-direction:column}}.level-row{gap:var(--space-4);margin-top:var(--space-4);display:flex}.level-card{align-items:center;gap:var(--space-4);padding:var(--space-5);flex:1;display:flex}.level-tile{border-radius:var(--r-lg);padding:var(--space-5);flex-direction:column;flex:1;justify-content:center;display:flex}@media (width<=620px){.level-row{flex-direction:column}}.numeral{font-family:var(--ff-display);font-size:var(--fs-3xl);color:var(--lapis);text-align:center;width:46px}.wreath{flex:none;position:relative}.wreath svg{display:block}.wreath-numeral{font-family:var(--ff-display);font-size:var(--fs-xl);color:var(--lapis);letter-spacing:.04em;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.wr-branch{fill:none;stroke:var(--tick);stroke-width:1.1px;stroke-linecap:round}.wr-leaf{fill:none;stroke:var(--tick);stroke-width:1px;transition:fill var(--dur-base) var(--ease-out), stroke var(--dur-base) var(--ease-out)}.wr-leaf.on{fill:var(--lapis);stroke:var(--lapis)}@keyframes leaf-land{0%{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}.wr-leaf.fresh{transform-box:fill-box;transform-origin:50%;animation:leaf-land var(--dur-base) var(--ease-out) both}.level-title{font-family:var(--ff-display);font-size:var(--fs-lg);letter-spacing:.02em}.level-band{color:var(--muted);font-size:var(--fs-xs);margin-top:2px}.level-testout{text-align:left}.level-card-open{text-align:left;cursor:pointer;width:100%;transition:border-color var(--dur-quick) ease, transform var(--dur-tap) var(--ease-out)}@media (hover:hover){.level-card-open:hover{border-color:var(--lapis)}.level-card-open:hover .level-chevron{transform:translate(3px)}}.level-card-open:active{transform:scale(.995)}.level-chevron{color:var(--muted);transition:transform var(--dur-quick) var(--ease-out);flex:none}.level-score{margin-top:var(--space-3);align-items:baseline;gap:8px;display:flex}.level-score .num{font-size:var(--fs-lg);color:var(--ink)}.level-score-word{font-size:var(--fs-2xs);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.level-score-sub{font-size:var(--fs-xs);color:var(--muted)}.level-sub{font-size:var(--fs-xs);color:var(--muted);margin-top:6px}.session{flex-direction:column;flex:1;min-height:100vh;display:flex}.drill-top{align-items:center;gap:var(--space-4);padding:12px var(--space-5);border-bottom:1px solid var(--line);display:flex;position:relative}.undo-chip{top:calc(100% + 8px);right:var(--space-5);z-index:5;min-height:44px;font-size:var(--fs-xs);color:var(--muted);background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-md);animation:settle-in var(--dur-quick) var(--ease-out) both;transition:color var(--dur-tap) ease, border-color var(--dur-tap) ease;padding:8px 16px;position:absolute}@media (hover:hover){.undo-chip:hover{color:var(--ink);border-color:var(--ink)}}.drill-top .count{font-family:var(--ff-mono);font-size:var(--fs-xs);color:var(--muted);white-space:nowrap}.count-short{display:none}@media (width<=620px){.count-long{display:none}.count-short{display:inline}}.drill-bar{flex:auto;min-width:0;height:10px;position:relative}.drill-bar-track{background:var(--line);transform-origin:50%;border-radius:999px;position:absolute;inset:0;overflow:visible}.drill-bar-seg{transform-origin:50% 100%;transition:background var(--dur-quick) ease;background:0 0;border-radius:2px;position:absolute;top:0;bottom:0}.drill-bar-seg.is-on{background:var(--lapis)}.drill-bar-fill{transform-origin:0;background:var(--lapis);width:100%;height:100%;transition:transform var(--dur-quick) var(--ease-out);border-radius:999px;display:block}.count-extra{color:var(--ochre)}.x{color:var(--muted);border-radius:var(--r-md);justify-content:center;align-items:center;min-width:44px;min-height:44px;margin:-10px;display:inline-flex}@media (hover:hover){.x:hover{color:var(--ink);background:var(--surface)}}.stage{flex-direction:column;flex:1;width:100%;max-width:720px;margin:0 auto;padding:56px 32px 48px;display:flex}.stage-prompt{flex:none;min-width:0}.stage-actions{flex:none}@media (width>=900px){.stage:before{content:"";flex:2 1 0;min-height:0}.stage:after{content:"";flex:3 1 0;min-height:0}.stage-actions{flex-direction:column;min-height:180px;display:flex}.stage-actions .drill-actions,.stage-actions .grade-row{margin-top:auto}.stage-prompt-reserved{min-height:260px}}.eyebrow-app{font-size:var(--fs-2xs);letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:26px;font-weight:600}.eyebrow-drill{align-items:baseline;gap:4px var(--space-1);flex-wrap:wrap;display:flex}.eyebrow-stage{color:var(--muted)}.eyebrow-task{color:var(--lapis)}.eyebrow-sep{opacity:.5}.sentence{font-family:var(--ff-serif);font-size:var(--fs-2xl);line-height:1.45}.translation{font-size:var(--fs-md);color:var(--muted);margin-top:14px}.listen{max-width:640px}.listen-top{justify-content:space-between;align-items:center;display:flex}.listen-sentence{font-family:var(--ff-serif);font-size:var(--fs-2xl);min-height:2.6em;margin-top:40px;line-height:1.4}.listen-eng{font-size:var(--fs-md);color:var(--muted);opacity:0;min-height:1.5em;transition:opacity var(--dur-quick) var(--ease-out);margin-top:12px}.listen-eng.shown{opacity:1}.listen-controls{align-items:center;gap:10px;margin-top:36px;display:flex}.listen-foot{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 18px;margin-top:28px;padding-top:16px;display:flex}.listen-scope{font-size:var(--fs-xs);color:var(--muted);align-items:center;gap:8px;display:flex}.listen-scope select{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:3px 6px}.listen-note{font-size:var(--fs-xs);color:var(--muted);font-family:var(--ff-mono)}.listen-blocked{font-size:var(--fs-sm);color:var(--rosso);margin-top:14px}.listen-empty{color:var(--muted);font-size:var(--fs-md);max-width:46ch;margin:12px 0 24px}.listen-link{margin-bottom:14px}.register-tag{font-family:var(--ff-mono);font-size:var(--fs-2xs);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:var(--r-mark);white-space:nowrap;vertical-align:2px;margin-left:8px;padding:1px 5px}@property --veil-x{syntax:"<length>";inherits:false;initial-value:0}@property --veil-y{syntax:"<length>";inherits:false;initial-value:0}.sentence,.translation{transition:filter var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out), --veil-x var(--dur-base) var(--ease-out), --veil-y var(--dur-base) var(--ease-out);-webkit-mask-image:linear-gradient(90deg, transparent, var(--mask-solid) var(--veil-x), var(--mask-solid) calc(100% - var(--veil-x)), transparent), linear-gradient(180deg, transparent, var(--mask-solid) var(--veil-y), var(--mask-solid) calc(100% - var(--veil-y)), transparent);-webkit-mask-composite:source-in;-webkit-mask-image:linear-gradient(90deg, transparent, var(--mask-solid) var(--veil-x), var(--mask-solid) calc(100% - var(--veil-x)), transparent), linear-gradient(180deg, transparent, var(--mask-solid) var(--veil-y), var(--mask-solid) calc(100% - var(--veil-y)), transparent);mask-image:linear-gradient(90deg, transparent, var(--mask-solid) var(--veil-x), var(--mask-solid) calc(100% - var(--veil-x)), transparent), linear-gradient(180deg, transparent, var(--mask-solid) var(--veil-y), var(--mask-solid) calc(100% - var(--veil-y)), transparent);-webkit-mask-composite:source-in;mask-composite:intersect}.veiled{filter:blur(10px);opacity:.5;-webkit-user-select:none;user-select:none;--veil-x:16px;--veil-y:11px}.sentence-stack{position:relative}.peek{cursor:pointer;background:0 0;border:none;justify-content:flex-start;align-items:center;padding:0;display:flex;position:absolute;inset:-4px 0}.peek-chip{background:color-mix(in srgb, var(--surface) 80%, transparent);border:1px solid var(--line-strong);font-size:var(--fs-xs);color:var(--muted);white-space:nowrap;box-shadow:0 1px 6px color-mix(in srgb, var(--ink) 12%, transparent);transition:color var(--dur-tap) ease, border-color var(--dur-tap) ease, transform 80ms var(--ease-out);border-radius:999px;padding:5px 14px}@media (hover:hover){.peek:hover .peek-chip{color:var(--ink);border-color:var(--muted)}}.peek:active .peek-chip{transition-duration:var(--dur-tap);transform:scale(.975)}.peek:focus-visible{outline:none}.peek:focus-visible .peek-chip{outline:2px solid var(--lapis);outline-offset:2px}@keyframes peek-give-way{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.94)}}.peek-out{pointer-events:none}.peek-out .peek-chip{animation:peek-give-way var(--dur-base) var(--ease-out) both}.glossable{font:inherit;color:inherit;border-bottom:1px dotted var(--line);cursor:help;border-radius:0;padding:0}@media (hover:hover){.glossable:hover{border-bottom-color:var(--lapis);color:var(--lapis-deep)}}.glossable.on{color:var(--lapis-deep);background:var(--lapis-soft);border-bottom-color:var(--lapis);border-radius:var(--r-sm)}:root.dark .glossable.on{color:var(--lapis)}.gloss-tip{z-index:30;pointer-events:none;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);max-width:min(34ch,100vw - 24px);box-shadow:0 6px 18px color-mix(in srgb, var(--ink) 14%, transparent);padding:9px 13px;position:fixed}.gloss-tip.is-above{animation:gloss-rise var(--dur-quick) var(--ease-out) both}.gloss-tip.is-below{animation:gloss-drop var(--dur-quick) var(--ease-out) both}@keyframes gloss-rise{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@keyframes gloss-drop{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}.gloss-lemma{font-family:var(--ff-serif);font-size:var(--fs-sm);color:var(--muted);margin-bottom:3px}.gloss-sense{font-size:var(--fs-sm);gap:9px;line-height:1.4;display:flex}.gloss-sense+.gloss-sense{margin-top:5px}.gloss-meaning{font-size:var(--fs-md)}.gloss-pos{font-size:var(--fs-2xs);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);flex:none;padding-top:2px}.blank{border-bottom:2px solid 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