.pf{--ground:var(--bg-primary);--raised:var(--bg-elevated);--ink:var(--text-primary);--body:var(--text-secondary);--muted:var(--text-muted);--accent:var(--accent-primary);--accent-hover:var(--accent-primary-hover);--line:var(--border-subtle);--line-strong:var(--border-strong);--chrome:23 35 30;--halo:4 12 9;--s-lime:var(--accent-primary);--s-lime-hi:var(--accent-primary-hover);--s-ink:var(--accent-on);--s-day:var(--bg-secondary);--s-day-raised:var(--bg-elevated);--s-day-line:var(--border-subtle);--s-day-accent:var(--accent-primary);--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:80px;--sp-10:96px;--sp-11:128px;--sp-12:160px;--r-pill:999px;--r-panel:14px;--r-card:10px;--r-chip:6px;--ease:cubic-bezier(.22, 1, .36, 1);--t-fast:.18s;--t-base:.22s;--t-slow:.42s;--pf-1:4px;--pf-2:8px;--pf-3:12px;--pf-4:16px;--pf-5:24px;--pf-6:32px;--pf-7:48px;--pf-8:64px;--pf-9:80px;--pf-rail-w:252px;--pf-measure:1180px;--pf-gutter:clamp(20px, 3.4vw, 52px);--pf-ease:var(--ease);--pf-radius:var(--r-panel);--pf-radius-sm:var(--r-card);grid-template-columns:var(--pf-rail-w) minmax(0, 1fr);background:var(--bg-primary);min-height:100dvh;color:var(--text-primary);font-family:var(--font-body), Inter, system-ui, sans-serif;transition:background-color .24s var(--ease), color .24s var(--ease);display:grid}.pf [data-ground=day]{--ground:var(--bg-elevated);--raised:var(--bg-primary);--chrome:16 32 26;--halo:255 250 240}.pf-skip{z-index:90;border-radius:var(--pf-radius-sm);background:var(--text-primary);color:var(--bg-primary);transition:transform .16s var(--pf-ease);padding:12px 18px;font-size:.93rem;font-weight:620;text-decoration:none;position:fixed;top:12px;left:12px;transform:translateY(-180%)}.pf-skip:focus{transform:none}.pf-rail{z-index:40;gap:var(--pf-5);height:100dvh;padding:var(--pf-5) var(--pf-4) var(--pf-4);border-right:1px solid var(--border-subtle);background:var(--bg-secondary);transition:background-color .24s var(--pf-ease), border-color .24s var(--pf-ease);flex-direction:column;display:flex;position:sticky;top:0}.pf-rail__brand{padding-inline:var(--pf-2)}.pf-rail__brand .brand-mark,.pf-rail__brand .brand-mark__word{color:var(--text-primary)}.pf{--mark-shell:var(--accent-primary);--mark-seam:var(--bg-elevated);--mark-shoot:var(--text-primary)}:root[data-theme=dark] .pf{--mark-shell:var(--accent-primary);--mark-seam:#0a1b18;--mark-shoot:#f3ebd6}.pf-rail__brand .brand-mark__word{letter-spacing:-.015em;text-transform:none;font-size:1.06rem;font-weight:650}.pf-rail__nav{gap:var(--pf-5);flex-direction:column;flex:1;min-height:0;display:flex;overflow-y:auto}.pf-rail__group{gap:var(--pf-1);display:grid;position:relative}.pf-rail__group-label{margin:0 0 var(--pf-1) var(--pf-3);font-family:var(--font-annotation), ui-monospace, monospace;letter-spacing:.17em;text-transform:uppercase;color:var(--text-muted);font-size:.56rem}.pf-rail__group ul{gap:1px;margin:0;padding:0;list-style:none;display:grid}.pf-rail__group ul:before{content:"";background:var(--border-strong);width:1px;position:absolute;top:34px;bottom:12px;left:21px}.pf-rail__group a{align-items:center;gap:var(--pf-3);min-height:44px;padding:0 var(--pf-3);border-radius:var(--pf-radius-sm);color:var(--text-secondary);transition:background .16s var(--pf-ease), color .16s var(--pf-ease);font-size:.93rem;font-weight:520;text-decoration:none;display:flex;position:relative}.pf-rail__node{border:1px solid var(--border-strong);background:var(--bg-secondary);width:7px;height:7px;transition:background .2s var(--pf-ease), border-color .2s var(--pf-ease), box-shadow .2s var(--pf-ease), scale .2s var(--pf-ease);border-radius:50%;position:absolute;left:18px}.pf-rail__group a svg{color:var(--text-muted);transition:color .16s var(--pf-ease);flex:none;margin-left:15px}.pf-rail__label{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.pf-rail__group a:hover{background:var(--surface-soft);color:var(--text-primary)}.pf-rail__group a:hover .pf-rail__node{border-color:var(--accent-primary)}.pf-rail__group a:hover svg{color:var(--text-secondary)}.pf-rail__group a:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.pf-rail__group a[aria-current=page]{background:var(--accent-primary-soft);color:var(--text-primary);font-weight:620}.pf-rail__group a[aria-current=page] .pf-rail__node{background:var(--accent-primary);border-color:var(--accent-primary);box-shadow:0 0 0 4px color-mix(in srgb, var(--accent-primary) 18%, transparent);scale:1.28}.pf-rail__group a[aria-current=page] svg{color:var(--accent-primary)}.pf-rail__collapse{border:1px solid var(--border-subtle);border-radius:var(--pf-radius-sm);min-height:40px;color:var(--text-secondary);cursor:pointer;transition:background .16s var(--pf-ease), color .16s var(--pf-ease);background:0 0;margin-top:auto}.pf-rail__collapse:hover{background:var(--surface-soft);color:var(--text-primary)}.pf-rail__collapse:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.pf:has(.pf-rail__nav[data-collapsed]){grid-template-columns:76px minmax(0,1fr)}.pf-rail__nav[data-collapsed] .pf-rail__label,.pf-rail__nav[data-collapsed] .pf-rail__group-label{display:none}.pf-rail__nav[data-collapsed] .pf-rail__collapse svg{rotate:180deg}.pf-rail:has(.pf-rail__nav[data-collapsed]){padding-inline:var(--pf-2);align-items:center}.pf-rail:has(.pf-rail__nav[data-collapsed]) .pf-rail__brand{justify-items:center;padding-inline:0}.pf-rail:has(.pf-rail__nav[data-collapsed]) .brand-mark__word{display:none}.pf-rail:has(.pf-rail__nav[data-collapsed]) .brand-mark{justify-content:center;gap:0}.pf-rail:has(.pf-rail__nav[data-collapsed]) .pf-rail__toggles{grid-template-columns:1fr}.pf-rail:has(.pf-rail__nav[data-collapsed]) .pf-rail__toggles button{justify-content:center;padding-inline:0}.pf-rail:has(.pf-rail__nav[data-collapsed]) .pf-rail__toggles button>span{display:none}.pf-rail:has(.pf-rail__nav[data-collapsed]) 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(max-width:1040px){.pf .pf-tabs{display:grid}.pf .pf-topbar{display:flex}}.pf-page-header{justify-content:space-between;align-items:flex-end;gap:var(--pf-5);padding-bottom:var(--pf-5);margin-bottom:var(--pf-7);border-bottom:1px solid var(--border-subtle);flex-wrap:wrap;display:flex}.pf-rule{background:var(--border-subtle);border:0;height:1px;margin:0}.pf-actions{align-items:center;gap:var(--pf-3);flex-wrap:wrap;display:flex}.pf-panel{border:1px solid var(--border-subtle);border-radius:var(--pf-radius)}.pf-panel--raised{background:var(--bg-elevated)}.pf-panel--outline{background:0 0}.pf-chip{border:1px solid var(--border-subtle);font-family:var(--font-annotation), ui-monospace, monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--text-secondary);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:5px 11px;font-size:.56rem;display:inline-flex}.pf-chip svg{stroke-width:2px;width:12px;height:12px}.pf-chip[data-tone=accent]{border-color:color-mix(in srgb, var(--accent-primary) 42%, transparent);color:var(--accent-on-soft,var(--accent-primary))}.pf-chip[data-tone=warning]{border-color:color-mix(in srgb, var(--warning) 42%, transparent);color:var(--warning)}.pf-chip[data-tone=danger]{border-color:color-mix(in srgb, var(--danger) 42%, transparent);color:var(--danger)}.pf-empty{justify-items:center;gap:var(--pf-3);padding:clamp(var(--pf-7), 7vw, var(--pf-9)) var(--pf-5);border:1px dashed var(--border-strong);border-radius:var(--pf-radius);text-align:center;display:grid}.pf-empty__title{font-family:var(--font-heading), system-ui, sans-serif;letter-spacing:-.02em;color:var(--text-primary);margin:0;font-size:1.32rem;font-weight:400}.pf-empty__text{max-width:46ch;color:var(--text-secondary);margin:0;font-size:.93rem;line-height:1.6}@media (prefers-reduced-motion:no-preference){.pf-skeleton>span{animation:1.5s ease-in-out infinite 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var(--border-subtle);min-height:260px}}.pf-growth{width:min(100%,320px);height:auto;display:block;overflow:visible}.pf-growth__ground{fill:none;stroke:var(--chart-axis);stroke-width:1px;opacity:.5}.pf-growth__soil{fill:var(--soil)}.pf-growth__tick{fill:none;stroke:var(--chart-axis);stroke-width:1px;opacity:.55}.pf-growth__tick-label,.pf-growth__level-label,.pf-growth__stage,.pf-growth__lessons{font-family:var(--font-annotation), ui-monospace, monospace;fill:var(--text-muted)}.pf-growth__tick-label{letter-spacing:.04em;font-size:9px}.pf-growth__level{fill:none;stroke:var(--accent-primary);stroke-width:1px;stroke-dasharray:3 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var(--bg-elevated));stroke:var(--text-primary);stroke-width:1.8px}.pf-growth__lens-glint{fill:none;stroke:var(--bg-elevated);stroke-width:1.6px;stroke-linecap:round;opacity:.9}.pf-growth__star-lens{fill:var(--warning,#b8860b);stroke:var(--text-primary);stroke-width:1.2px;stroke-linejoin:round}.pf-growth__petal{fill:var(--bg-elevated);stroke:var(--text-primary);stroke-width:.7px}.pf-growth__crown-eye{fill:var(--warning,#b8860b)}.pf-growth__hat-brim{fill:color-mix(in srgb, var(--warning,#b8860b) 62%, var(--bg-elevated))}.pf-growth__hat-crown{fill:color-mix(in srgb, var(--warning,#b8860b) 78%, var(--text-primary))}.pf-growth__hat-band{fill:none;stroke:var(--accent-secondary);stroke-width:2.6px;stroke-linecap:round}.pf-growth__pendant-cord{fill:none;stroke:var(--text-muted);stroke-width:1.6px}.pf-growth__pendant-stone{fill:var(--accent-secondary);stroke:var(--bg-elevated);stroke-width:1px}.pf-growth__pendant[data-tone=gold] 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monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);font-size:.56rem}.pf-path>li[data-state=completed] .pf-path__node{background:var(--accent-primary);border-color:var(--accent-primary)}.pf-path>li[data-state=completed] .pf-path__name{color:var(--text-primary)}.pf-path>li[data-state=in-progress] .pf-path__node{background:var(--accent-primary);border-color:var(--accent-primary);box-shadow:0 0 0 5px color-mix(in srgb, var(--accent-primary) 18%, transparent);scale:1.4}.pf-path>li[data-state=in-progress] .pf-path__name{color:var(--text-primary);font-weight:640}.pf-path>li[data-state=locked]{opacity:.62}.pf-path a:hover .pf-path__node{border-color:var(--accent-primary-hover)}.pf-path a:focus-visible{outline:2px solid 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legend,.question-card>label:first-child,.question-card__legend{color:var(--ink);margin:0;padding:0;font-size:1rem;font-weight:500;line-height:1.55}.question-card__hint{color:var(--muted);margin:0;font-size:.85rem;line-height:1.5}.question-card__option{align-items:flex-start;gap:var(--sp-3);padding:var(--sp-3) var(--sp-4);border:1px solid var(--line);border-radius:var(--r-chip);color:var(--body);cursor:pointer;transition:border-color .18s var(--ease), background .18s var(--ease), color .18s var(--ease);font-size:.93rem;line-height:1.5;display:flex}.question-card__option:hover{border-color:var(--accent);color:var(--ink)}.question-card__option input{accent-color:var(--accent);flex:none;margin-top:3px}.question-card__option:has(input:checked){border-color:var(--accent);color:var(--ink);background:color-mix(in srgb, var(--accent) 12%, transparent)}.question-card__option:has(input:focus-visible){outline:2px solid 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var(--ease);font-size:.95rem;display:flex}.daily-game__choice-label{flex:1}.daily-game__choice-detail{color:var(--muted);font-size:.85rem}.daily-game__choice[data-state=open]:hover{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 8%, transparent)}.daily-game__choice[data-state=correct]{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 13%, transparent);color:var(--ink)}.daily-game__choice[data-state=wrong]{border-color:var(--warning,var(--accent-secondary));background:color-mix(in srgb, var(--warning,var(--accent-secondary)) 12%, transparent)}.daily-game__choice[data-state=muted]{opacity:.5}.daily-game__choice:disabled{cursor:default}.daily-game__feedback{gap:var(--sp-2);padding:var(--sp-4);border-radius:var(--r-chip);border-inline-start:3px solid var(--accent);background:color-mix(in srgb, var(--ink) 4%, 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0}.daily-game--done{justify-items:start;gap:var(--sp-3)}.daily-game__summary-headline{letter-spacing:-.01em;color:var(--ink);margin:0;font-size:1.5rem;font-weight:650}.daily-game__summary-headline[data-tone=great]{color:var(--accent)}.daily-game__summary-detail{font-family:var(--font-annotation), ui-monospace, monospace;letter-spacing:.08em;color:var(--muted);margin:0;font-size:.68rem}.game-figure{padding:var(--sp-3);border:1px solid var(--line);border-radius:var(--r-chip);background:color-mix(in srgb, var(--ink) 3%, transparent);overflow-x:auto}.game-figure__svg{width:100%;min-width:320px;height:auto;display:block}.game-figure__svg--spinner{max-width:420px;margin-inline:auto}.game-figure__axis{stroke:var(--chart-axis,var(--line-strong));stroke-width:1px}.game-figure__grid{stroke:var(--line);stroke-width:1px;opacity:.55}.game-figure__tickmark{stroke:var(--chart-axis,var(--line-strong));stroke-width:1px}.game-figure__tick,.game-figure__label,.game-figure__note,.game-figure__group{font-family:var(--font-annotation), ui-monospace, monospace;fill:var(--muted);font-size:10px}.game-figure__group{fill:var(--ink);font-size:10.5px}.game-figure__unit{font-family:var(--font-annotation), ui-monospace, monospace;fill:var(--muted);font-size:9.5px}.game-figure__note{fill:var(--warning,var(--accent-secondary));font-size:9px}.game-figure__value{font-family:var(--font-annotation), ui-monospace, monospace;fill:var(--ink);font-size:10.5px;font-weight:700}.game-figure__bar{fill:var(--accent);opacity:.85}.game-figure__bar[data-highlight]{fill:var(--accent-secondary);opacity:1}.game-figure__reference{stroke:var(--warning,var(--accent-secondary));stroke-width:1.4px;stroke-dasharray:4 4}.game-figure__reference-label{font-family:var(--font-annotation), ui-monospace, monospace;fill:var(--warning,var(--accent-secondary));font-size:9.5px}.game-figure__dot{fill:var(--accent);opacity:.88}.game-figure__dot[data-group="1"]{fill:var(--chart-1,var(--accent-secondary))}.game-figure__mark line{stroke:var(--accent);stroke-width:1.2px;stroke-dasharray:3 3}.game-figure__mark text{font-family:var(--font-annotation), ui-monospace, monospace;fill:var(--accent);font-size:9.5px}.game-figure__mark[data-tone=warn] line{stroke:var(--warning,var(--accent-secondary))}.game-figure__mark[data-tone=warn] text{fill:var(--warning,var(--accent-secondary))}.game-figure__line{fill:none;stroke:var(--accent);stroke-width:2.2px;stroke-linejoin:round;stroke-linecap:round}.game-figure__point{fill:var(--accent)}.game-figure__wedge{stroke:var(--raised);stroke-width:1.5px}.game-figure__wedge[data-index="0"],.game-figure__swatch[data-index="0"]{fill:var(--accent)}.game-figure__wedge[data-index="1"],.game-figure__swatch[data-index="1"]{fill:var(--accent-secondary)}.game-figure__wedge[data-index="2"],.game-figure__swatch[data-index="2"]{fill:var(--chart-1,var(--soil))}.game-figure__wedge[data-index="3"],.game-figure__swatch[data-index="3"]{fill:var(--warning,var(--soil-light))}.game-figure__spindle{fill:var(--raised);stroke:var(--line-strong);stroke-width:1.5px}.game-figure__legend-label{font-family:var(--font-annotation), ui-monospace, monospace;fill:var(--ink);font-size:10.5px}@media (max-width:560px){.daily-game__prompt{font-size:1rem}.game-figure{padding:var(--sp-2)}}.pf .dashboard-action,.pf-lab__stage .dashboard-action{align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-5);border:1px solid var(--line-strong);border-radius:var(--r-pill);color:var(--ink);font:inherit;cursor:pointer;transition:border-color .18s var(--ease), background .18s var(--ease), color .18s var(--ease);background:0 0;font-size:.85rem;text-decoration:none;display:inline-flex}.pf .dashboard-action:hover:not(:disabled),.pf-lab__stage .dashboard-action:hover:not(:disabled){border-color:var(--accent);background:color-mix(in srgb, var(--accent) 10%, transparent)}.pf .dashboard-action:disabled,.pf-lab__stage .dashboard-action:disabled{opacity:.45;cursor:not-allowed}.pf .dashboard-action--primary,.pf-lab__stage .dashboard-action--primary{border-color:var(--accent);background:var(--accent);color:var(--accent-on)}.pf .dashboard-action--primary:hover:not(:disabled),.pf-lab__stage .dashboard-action--primary:hover:not(:disabled){background:var(--accent-primary-hover,var(--accent));color:var(--accent-on)}.pf .dashboard-kicker{align-items:center;gap:var(--sp-2);color:var(--muted);font-family:var(--font-annotation,ui-monospace, monospace);letter-spacing:.18em;text-transform:uppercase;margin:0;font-size:.63rem;display:inline-flex}.pf .dashboard-kicker svg{width:13px;height:13px;color:var(--accent)}.pf-form__head{gap:var(--sp-2);display:grid}.pf-form__head h2,.pf-form__head h3{margin:0}.pf-children{gap:var(--sp-1);margin:0;padding:0;list-style:none;display:grid}.pf-children>li{align-items:center;gap:var(--sp-4);padding:var(--sp-4) 0;border-bottom:1px solid var(--line);flex-wrap:wrap;display:flex}.pf-children>li:last-child{border-bottom:0}.pf-children__name{color:var(--ink);font-size:.93rem;font-weight:500}.pf-children__status{padding:2px var(--sp-3);border:1px solid var(--line-strong);border-radius:var(--r-pill);color:var(--muted);font-family:var(--font-annotation,ui-monospace, monospace);letter-spacing:.12em;text-transform:uppercase;font-size:.63rem}.pf-children>li[data-status=active] .pf-children__status{border-color:color-mix(in srgb, var(--accent) 46%, transparent);color:var(--accent-on-soft,var(--accent-primary))}.pf-children__actions{align-items:center;gap:var(--sp-3);flex-wrap:wrap;margin-inline-start:auto;display:flex}.pf-children__actions form{margin:0}.pf-child-courses,.pf-child-skills{gap:var(--sp-4);margin:0;padding:0;list-style:none;display:grid}.pf-child-courses>li,.pf-child-skills>li{gap:var(--sp-2);padding:var(--pf-4);border:1px solid var(--line);border-radius:var(--pf-radius);background:var(--raised);display:grid}.pf-child-courses__head,.pf-child-skills__head{justify-content:space-between;align-items:baseline;gap:var(--sp-4);display:flex}.pf-child-courses__title,.pf-child-skills__name{color:var(--ink);font-size:.98rem;font-weight:600}.pf-child-courses__count,.pf-child-skills__score{font-family:var(--font-annotation), ui-monospace, monospace;font-variant-numeric:tabular-nums;color:var(--muted);font-size:.88rem}.pf-child-courses__meter,.pf-child-skills__meter{background:color-mix(in srgb, var(--ink) 7%, transparent);height:8px;box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--ink) 9%, transparent);border-radius:999px;overflow:hidden}.pf-child-courses__meter>span,.pf-child-skills__meter>span{border-radius:inherit;background:var(--accent);height:100%;display:block}.pf-child-courses__meta,.pf-child-skills__meta{font-family:var(--font-annotation), ui-monospace, monospace;letter-spacing:.08em;color:var(--muted);margin:0;font-size:.66rem}.pf-child-skills>li[data-tone=needs_review] .pf-child-skills__meter>span{background:var(--warning,var(--accent-secondary))}.pf-child-skills>li[data-tone=developing] .pf-child-skills__meter>span{background:var(--accent-secondary)}.pf-child-skills>li[data-tone=needs_review] .pf-child-skills__score{color:var(--warning,var(--accent-secondary))}.pf-child-skills>li[data-tone=strong_mastery] .pf-child-skills__score,.pf-child-skills>li[data-tone=mastered] .pf-child-skills__score{color:var(--accent)}.pf-child-attempts{border-top:1px solid var(--line);gap:1px;margin:0;padding:0;list-style:none;display:grid}.pf-child-attempts>li{align-items:center;gap:var(--sp-4);padding:var(--sp-3) 0;border-bottom:1px solid var(--line);grid-template-columns:108px minmax(0,1fr) auto auto;display:grid}.pf-child-attempts__kind{font-family:var(--font-annotation), ui-monospace, monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-size:.6rem}.pf-child-attempts__title{color:var(--ink);font-size:.93rem}.pf-child-attempts__score{font-variant-numeric:tabular-nums;color:var(--muted);font-weight:640}.pf-child-attempts>li[data-passed=yes] .pf-child-attempts__score{color:var(--accent)}.pf-child-attempts>li[data-passed=no] .pf-child-attempts__score{color:var(--warning,var(--accent-secondary))}.pf-child-attempts__date{font-family:var(--font-annotation), ui-monospace, monospace;letter-spacing:.06em;color:var(--muted);font-size:.66rem}@media (max-width:640px){.pf-child-attempts>li{grid-template-columns:minmax(0,1fr) auto}.pf-child-attempts__kind,.pf-child-attempts__date{grid-column:1/-1}}.pf .auth-field label,.pf .auth-checkbox{color:var(--ink)}.pf .auth-checkbox input{accent-color:var(--accent)}.pf .auth-checkbox a{color:var(--ink);text-underline-offset:3px}.pf .auth-field input,.pf .auth-field select,.pf .auth-field textarea,.pf .password-input input{border-color:var(--line-strong);background:var(--ground);color:var(--ink)}.pf .auth-field :is(input,select,textarea):focus-visible{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}.pf .auth-field input::placeholder,.pf .auth-field small,.pf .auth-hint{color:var(--muted)}.pf-gate{justify-content:space-between;align-items:center;gap:var(--sp-5);flex-wrap:wrap;display:flex}.pf-gate>div{gap:var(--sp-2);max-inline-size:62ch;display:grid}.pf-gate h2{margin:0}.pf-gate p{color:var(--body);margin:0;font-size:.93rem;line-height:1.6}.pf-gate[data-tone=final]{border-color:color-mix(in srgb, var(--accent) 46%, var(--line))}