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0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.rf-prose{max-width:62ch}.rf-app{min-height:100dvh}.rf-main{min-width:0;padding-bottom:calc(var(--tabbar-h) + var(--safe-bottom) + 88px)}.rf-page{padding:var(--s-4);max-width:560px;margin:0 auto}.rf-nav{z-index:60;background:var(--paper);padding-bottom:var(--safe-bottom);box-shadow:0 -2px 0 var(--ink-key);position:fixed;bottom:0;left:0;right:0}.rf-nav__list{height:var(--tabbar-h);border-top:var(--key-thin);background:var(--paper);align-items:stretch;display:flex}.rf-nav__item{min-width:0;padding:var(--s-1) 2px;color:var(--text-2);cursor:pointer;transition:color var(--dur-1) var(--ease);background:0 0;border:none;flex-direction:column;flex:1 1 0;justify-content:center;align-items:center;gap:2px;display:flex}.rf-nav__item[aria-current=page]{color:var(--ink-saffron-deep)}.rf-nav__item[aria-current=page] .rf-nav__mark{background:var(--ink-saffron);color:var(--text-on-ink);border-color:var(--ink-key)}.rf-nav__mark{border-radius:var(--r-sm);width:34px;height:28px;transition:background-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease);border:2px solid #0000;justify-content:center;align-items:center;display:inline-flex}.rf-nav__label{letter-spacing:.06em;text-transform:uppercase;text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:9px;font-weight:800;line-height:1;overflow:hidden}.rf-guju-fab{right:var(--s-4);bottom:calc(var(--tabbar-h) + var(--safe-bottom) + var(--s-3));z-index:61;border:var(--key);background:var(--ink-saffron-deep);width:62px;height:62px;color:var(--text-on-ink);cursor:pointer;box-shadow:var(--lift-2) var(--ink-indigo);transition:transform var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:1px;display:inline-flex;position:fixed}@media (hover:hover){.rf-guju-fab:hover{box-shadow:var(--lift-3) var(--ink-indigo);transform:translate(-1px,-1px)}}.rf-guju-fab:active{box-shadow:none;transform:translate(2px,2px)}.rf-guju-fab[aria-current=page]{background:var(--ink-indigo);box-shadow:var(--lift-2) var(--ink-saffron)}.rf-guju-fab span{letter-spacing:.08em;font-size:8px;font-weight:900;line-height:1}@media (min-width:768px){:root{--chat-h:calc(100dvh - 190px)}.rf-app{grid-template-columns:var(--rail-w) 1fr;align-items:start;display:grid}.rf-main{padding-bottom:var(--s-10)}.rf-page{max-width:720px;padding:var(--s-6)}.rf-nav{height:100dvh;padding:var(--s-4) var(--s-2);padding-top:calc(var(--safe-top) + var(--s-4));background:var(--paper);border-right:var(--key-thin);box-shadow:none;position:sticky;inset:0 auto auto;overflow-y:auto}.rf-nav__list{align-items:stretch;gap:var(--s-1);border-top:none;flex-direction:column;max-width:none;height:auto}.rf-nav__item{padding:var(--s-2) var(--s-1);border-radius:var(--r-md);flex-direction:column;flex:none;gap:3px}@media (hover:hover){.rf-nav__item:hover{background:var(--paper-sunk);color:var(--text-1)}}.rf-nav__item[aria-current=page]{background:var(--paper-sunk)}.rf-nav__mark{width:38px;height:32px}.rf-nav__label{font-size:9px}.rf-guju-fab{display:none}}@media (min-width:1120px){.rf-app{grid-template-columns:var(--sidebar-w) 1fr}.rf-page{max-width:var(--content-max);padding:var(--s-8)}.rf-nav{padding:var(--s-5) var(--s-3)}.rf-nav__item{justify-content:flex-start;gap:var(--s-3);padding:var(--s-2) var(--s-3);flex-direction:row;min-height:46px}.rf-nav__mark{width:32px;height:32px}.rf-nav__label{font-size:var(--t-sm);letter-spacing:.01em;text-transform:none}}.rf-from-tablet,.rf-from-desktop,.rf-nav__item--secondary,.rf-nav__brand{display:none}@media (min-width:768px){.rf-only-phone{display:none!important}.rf-from-tablet{display:block}.rf-nav__item--secondary{display:flex}.rf-nav__brand{justify-content:center;align-items:center;display:flex}}@media (min-width:1120px){.rf-from-desktop{display:block}.rf-nav__brand{justify-content:flex-start}}.rf-grid{gap:var(--s-3);display:grid}.rf-grid>*,.rf-home>*{min-width:0}.rf-grid--tiles,.rf-grid--cards{grid-template-columns:repeat(2,minmax(0,1fr))}.rf-grid--letters{gap:var(--s-2);grid-template-columns:repeat(5,minmax(0,1fr))}.rf-grid--list{grid-template-columns:minmax(0,1fr)}@media (min-width:640px){.rf-grid--cards{grid-template-columns:repeat(3,minmax(0,1fr))}.rf-grid--letters{grid-template-columns:repeat(6,minmax(0,1fr))}}@media (min-width:768px){.rf-grid--tiles{grid-template-columns:repeat(3,minmax(0,1fr))}.rf-grid--letters{grid-template-columns:repeat(8,minmax(0,1fr))}.rf-grid--list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1120px){.rf-grid{gap:var(--s-4)}.rf-grid--cards{grid-template-columns:repeat(5,minmax(0,1fr))}.rf-grid--letters{grid-template-columns:repeat(10,minmax(0,1fr))}.rf-grid--list{grid-template-columns:repeat(3,minmax(0,1fr))}}.rf-home{gap:var(--s-4);grid-template-columns:minmax(0,1fr);display:grid}@media (min-width:1120px){.rf-home{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);align-items:start}.rf-home__lead{grid-column:1}.rf-home__side{grid-area:1/2/span 3}}.rf-measure{max-width:68ch}.rf-tile{min-height:104px}@media (min-width:768px){.rf-tile{min-height:132px}}@media (min-width:1120px){.rf-tile{min-height:156px}.rf-wordrow{grid-template-columns:repeat(auto-fill,minmax(96px,1fr));display:grid;overflow:visible}.rf-wordrow>*{width:auto!important}}.lf-grid{gap:var(--s-3);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}@media (min-width:768px){.lf-grid{gap:var(--s-4);grid-template-columns:repeat(4,minmax(0,1fr))}}.lf-tile{background:var(--paper);border:var(--key);border-radius:var(--r-md);box-shadow:var(--lift-2) var(--ink-key);cursor:pointer;transition:transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease), opacity var(--dur-2) var(--ease);animation:rf-pop var(--dur-3) var(--ease-out) both;flex-direction:column;gap:0;padding:0;display:flex;position:relative;overflow:hidden}.lf-tile:nth-child(2){animation-delay:60ms}.lf-tile:nth-child(3){animation-delay:.12s}.lf-tile:nth-child(4){animation-delay:.18s}.lf-tile:hover:not(:disabled){box-shadow:var(--lift-3) var(--ink-key);transform:translate(-1px,-1px)}.lf-tile:active:not(:disabled){box-shadow:var(--lift-1) var(--ink-key);transform:translate(2px,2px)}.lf-tile:focus-visible{outline:3px solid var(--ink-indigo);outline-offset:3px}.lf-tile:disabled{cursor:default}.lf-tile__art{aspect-ratio:1;background:var(--paper-sunk);display:block;overflow:hidden}.lf-tile__art .rf-art{object-fit:cover;width:100%;height:100%;display:block}.lf-tile__caption{padding:var(--s-2);background:var(--paper-cream);border-top:var(--key-thin);animation:rf-rise var(--dur-3) var(--ease-out) both;flex-direction:column;align-items:center;gap:1px;display:flex}.lf-tile--right{box-shadow:var(--lift-2) var(--ink-leaf);border-color:var(--state-learned)}.lf-tile--right .lf-tile__art{background:var(--state-learned-bg)}.lf-tile__stamp{border-radius:var(--r-pill);background:var(--state-learned);width:38px;height:38px;color:var(--text-on-ink);border:var(--key-thin);box-shadow:var(--lift-1) var(--ink-key);animation:rf-stamp .38s var(--ease-out) both;justify-content:center;align-items:center;display:inline-flex;position:absolute;top:8px;right:8px}.lf-tile--hint{border-color:var(--ink-saffron);animation:1.6s ease-in-out infinite rf-pulse-ink}.lf-ring{border-radius:var(--r-pill);border:2.5px solid var(--ink-saffron);opacity:0;animation:lf-ring 1.5s var(--ease-out) infinite;pointer-events:none;position:absolute;inset:-6px}.lf-ring--late{animation-delay:.5s}@keyframes lf-ring{0%{opacity:.85;transform:scale(.92)}70%{opacity:.18}to{opacity:0;transform:scale(1.55)}}.rf-switch{border-radius:var(--r-pill);border:var(--key-thin);background:var(--paper-sunk);cursor:pointer;width:58px;height:32px;transition:background var(--dur-2) var(--ease);flex:none;padding:0;position:relative}.rf-switch[aria-checked=true]{background:var(--ink-saffron)}.rf-switch__knob{border-radius:var(--r-pill);background:var(--paper);border:2px solid var(--ink-key);width:26px;height:26px;box-shadow:var(--lift-1) var(--ink-key);transition:transform var(--dur-2) var(--ease-out);position:absolute;top:2px;left:2px}.rf-switch[aria-checked=true] .rf-switch__knob{transform:translate(26px)}.rf-switch:focus-visible{outline:3px solid var(--ink-indigo);outline-offset:3px}@media print{.rf-no-print{display:none!important}}@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-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}