.auth-scrim{top:var(--visual-top,0px);height:var(--visual-vh,100dvh);z-index:60;padding:max(20px, env(safe-area-inset-top,0px)) 24px max(20px, env(safe-area-inset-bottom,0px));background:color-mix(in srgb, var(--ink,#0b0b0c) 72%, transparent);-webkit-backdrop-filter:blur(13px)saturate(108%);place-items:center;animation:.22s ease-out both auth-scrim-in;display:grid;position:fixed;bottom:auto;left:0;right:0;overflow:hidden}.auth-card{width:min(436px,100%);max-height:calc(var(--visual-vh,100dvh) - 40px - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px));overscroll-behavior:contain;scrollbar-gutter:stable;border:1px solid color-mix(in srgb, var(--paper,#f4f1ea) 12%, transparent);-webkit-backdrop-filter:blur(20px)saturate(112%);background:linear-gradient(#1b1916e0,#0d0d0cd1);border-radius:20px;padding:32px 30px 26px;scroll-padding-block:18px;animation:.28s cubic-bezier(.16,1,.3,1) both auth-card-in;position:relative;overflow-y:auto;box-shadow:0 42px 110px -36px #000000eb,inset 0 1px #ffffff08}.auth-close{width:40px;height:40px;color:color-mix(in srgb, var(--paper,#f4f1ea) 58%, transparent);font:300 25px/1 var(--font-exercise), Arial, sans-serif;cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;padding:0;transition:color .14s,background-color .14s,transform .14s;display:grid;position:absolute;top:12px;right:12px}.auth-close:hover{color:var(--paper,#f4f1ea);background:#ffffff0a}.auth-close:active{transform:scale(.94)}.auth-close:focus-visible{outline:1px solid var(--accent,#c9a227);outline-offset:2px}.auth-scrim[data-state=leaving]{pointer-events:none;animation:.18s ease-in both auth-scrim-out}.auth-scrim[data-state=leaving] .auth-card{animation:.18s ease-in both auth-card-out}.auth-rule{background:var(--accent,#c9a227);width:34px;height:1px;margin-bottom:16px;display:block}.auth-heading h2{letter-spacing:-.02em;margin:0 0 8px;font-size:clamp(25px,5vw,30px);line-height:1.1}.auth-heading p{max-width:38ch;color:color-mix(in srgb, var(--paper,#f4f1ea) 68%, transparent);margin:0 0 20px;font-size:14px;line-height:1.5}.auth-options,.auth-form{gap:10px;display:grid}.auth-primary,.auth-secondary{width:100%;min-height:46px;font:inherit;cursor:pointer;border-radius:11px;justify-content:center;align-items:center;gap:10px;padding:0 18px;font-size:15px;transition:transform .16s,background-color .16s,border-color .16s;display:flex}.auth-primary{background:var(--paper,#f4f1ea);color:var(--ink,#0b0b0c);border:1px solid #0000;font-weight:500}.auth-secondary{border:1px solid color-mix(in srgb, var(--paper,#f4f1ea) 18%, transparent);color:var(--paper,#f4f1ea);background:0 0}.auth-primary:hover:not(:disabled){transform:translateY(-1px)}.auth-secondary:hover:not(:disabled){border-color:color-mix(in srgb, var(--paper,#f4f1ea) 34%, transparent)}.auth-primary:disabled,.auth-secondary:disabled{opacity:.5;cursor:default}.auth-google-mark{flex:none;width:18px;height:18px}.auth-or{letter-spacing:.08em;text-transform:lowercase;color:color-mix(in srgb, var(--paper,#f4f1ea) 38%, transparent);align-items:center;gap:12px;margin:2px 0;font-size:12px;display:flex}.auth-or i{background:color-mix(in srgb, var(--paper,#f4f1ea) 12%, transparent);flex:1;height:1px}.auth-label{color:color-mix(in srgb, var(--paper,#f4f1ea) 72%, transparent);margin:2px 0 -5px;font-size:12px;line-height:1.4}.auth-field{border:1px solid color-mix(in srgb, var(--paper,#f4f1ea) 16%, transparent);background:color-mix(in srgb, var(--ink,#0b0b0c) 76%, transparent);width:100%;min-height:50px;color:var(--paper,#f4f1ea);font:inherit;border-radius:11px;padding:0 16px;font-size:16px}.auth-field::placeholder{color:color-mix(in srgb, var(--paper,#f4f1ea) 26%, transparent)}.auth-field:focus-visible{border-color:color-mix(in srgb, var(--accent,#c9a227) 66%, transparent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent,#c9a227) 12%, transparent);outline:none}.auth-field[aria-invalid=true]{border-color:#e2a08c}.auth-code{text-align:center;letter-spacing:.34em;text-indent:.34em;font-variant-numeric:tabular-nums;font-size:27px}.auth-quiet{font:inherit;color:color-mix(in srgb, var(--paper,#f4f1ea) 50%, transparent);cursor:pointer;background:0 0;border:0;padding:6px;font-size:13px}.auth-quiet:hover:not(:disabled){color:var(--paper,#f4f1ea)}.auth-error{color:#e2a08c;min-height:18px;margin:10px 0 0;font-size:13px;line-height:1.4}.auth-footnote{color:color-mix(in srgb, var(--paper,#f4f1ea) 46%, transparent);margin:4px 0 0;font-size:12px}@keyframes auth-scrim-in{0%{opacity:0}to{opacity:1}}@keyframes auth-scrim-out{0%{opacity:1}to{opacity:0}}@keyframes auth-card-in{0%{opacity:0;transform:translateY(10px)scale(.985)}to{opacity:1;transform:none}}@keyframes auth-card-out{0%{opacity:1;transform:none}to{opacity:0;transform:translateY(7px)scale(.99)}}@media (max-width:480px){.auth-scrim{padding:max(10px, env(safe-area-inset-top,0px)) 10px max(10px, env(safe-area-inset-bottom,0px));place-items:center stretch}.auth-card{width:100%;max-height:calc(var(--visual-vh,100dvh) - 20px - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px));border-radius:16px;padding:27px 20px 21px}.auth-close{top:8px;right:8px}.auth-rule{margin-bottom:15px}.auth-heading p{margin-bottom:18px}.auth-primary,.auth-secondary{min-height:48px}}@media (prefers-reduced-motion:reduce){.auth-scrim,.auth-card{animation:none}.auth-primary,.auth-secondary,.auth-close{transition:none}}.account-corner{left:max(16px, env(safe-area-inset-left,0px));bottom:max(16px, env(safe-area-inset-bottom,0px));z-index:50;display:inline-flex;position:fixed}.account-badge{border:1px solid color-mix(in srgb, var(--paper,#f4f1ea) 16%, transparent);background:color-mix(in srgb, var(--paper,#f4f1ea) 6%, var(--ink,#0b0b0c));-webkit-backdrop-filter:blur(8px);cursor:pointer;border-radius:50%;place-items:center;width:38px;height:38px;padding:0;transition:border-color .16s,transform .16s;display:grid;box-shadow:0 8px 24px -10px #000000b3}.account-badge:hover{transform:translateY(-1px)}.account-initial{width:30px;height:30px;color:var(--paper,#f4f1ea);background:color-mix(in srgb, var(--paper,#f4f1ea) 12%, transparent);border-radius:50%;place-items:center;font-size:13px;display:grid}.account-corner[data-sync=saving] .account-badge{border-color:color-mix(in srgb, var(--accent,#c9a227) 50%, transparent)}.account-corner[data-sync=offline] .account-badge{border-color:#e2a08c}.account-sheet{z-index:51;border:1px solid color-mix(in srgb, var(--paper,#f4f1ea) 12%, transparent);background:color-mix(in srgb, var(--paper,#f4f1ea) 7%, var(--ink,#0b0b0c));-webkit-backdrop-filter:blur(14px);border-radius:13px;width:max-content;min-width:210px;max-width:min(280px,100vw - 32px);padding:14px;animation:.2s cubic-bezier(.22,.61,.36,1) both account-sheet-in;position:absolute;bottom:calc(100% + 10px);left:0;box-shadow:0 24px 50px -22px #000c}@keyframes account-sheet-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.account-email{overflow-wrap:anywhere;margin:0 0 4px;font-size:13px}.account-sync{color:color-mix(in srgb, var(--paper,#f4f1ea) 44%, transparent);margin:0 0 12px;font-size:12px;line-height:1.4}.account-signout{border:1px solid color-mix(in srgb, var(--paper,#f4f1ea) 16%, transparent);width:100%;min-height:38px;color:var(--paper,#f4f1ea);font:inherit;cursor:pointer;background:0 0;border-radius:9px;font-size:13px}.account-signout:hover{border-color:color-mix(in srgb, var(--paper,#f4f1ea) 32%, transparent)}@media (prefers-reduced-motion:reduce){.account-sheet{animation:none}.account-badge{transition:none}}.auth-scrim{-webkit-backdrop-filter:blur(13px)saturate(108%)}.auth-stage{animation:.22s cubic-bezier(.16,1,.3,1) both auth-stage-in}.auth-new-account{color:color-mix(in srgb, var(--paper,#f4f1ea) 38%, transparent);text-align:center;margin:2px 10px 0;font-size:11px;line-height:1.45}@keyframes auth-stage-in{0%{opacity:0;transform:translate(7px)}to{opacity:1;transform:translate(0)}}.account-corner{top:max(32px, env(safe-area-inset-top,0px));right:max(4.5vw, env(safe-area-inset-right,0px));z-index:50;display:inline-flex;position:fixed;bottom:auto;left:auto}.account-entry{background:var(--base);min-width:84px;min-height:42px;color:var(--text);border:1px solid #35312b;border-radius:999px;align-items:center;gap:9px;padding:5px 14px 5px 7px;font-size:13px;transition:transform .16s cubic-bezier(.16,1,.3,1),border-color .16s;display:inline-flex;box-shadow:0 10px 28px -18px #000c}.account-entry:hover{border-color:#5b5038;transform:translateY(-1px)}.account-entry:active{transition-duration:70ms;transform:scale(.97)}.account-entry:focus-visible{outline:1px solid var(--amber);outline-offset:3px}.account-entry>i{background:var(--green);width:5px;height:5px;box-shadow:0 0 0 3px color-mix(in srgb, var(--green) 12%, transparent);border-radius:50%;margin-left:2px}.account-corner[data-sync=saving] .account-entry>i{background:var(--amber)}.account-corner[data-sync=offline] .account-entry>i{background:var(--red)}.account-avatar{object-fit:cover;border-radius:50%;width:30px;height:30px}.account-initial{color:var(--text);background:var(--raised);place-items:center;font-size:12px;display:grid}.account-signin-mark{border:1px solid #4b4438;border-radius:50%;place-items:center;width:28px;height:28px;display:grid}.account-signin-mark>i{background:var(--amber);border-radius:50%;width:4px;height:4px}.account-page-scrim{z-index:65;background:color-mix(in srgb, var(--base) 84%, transparent);-webkit-backdrop-filter:blur(12px);place-items:center;padding:18px;animation:.2s ease-out both account-page-scrim-in;display:grid;position:fixed;inset:0;overflow:hidden}.account-page{background:var(--base);border:1px solid #302d28;border-radius:20px;width:min(1120px,100%);height:min(760px,100dvh - 36px);margin:auto;animation:.3s cubic-bezier(.16,1,.3,1) both account-page-in;overflow:hidden;box-shadow:0 45px 110px -50px #000000eb}.account-page-scrim[data-state=leaving]{pointer-events:none;animation:.18s ease-in both auth-scrim-out}.account-page-scrim[data-state=leaving] .account-page{animation:.18s ease-in both auth-card-out}.account-page-topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:58px;padding:0 18px 0 25px;display:flex}.account-page-wordmark{font:600 20px/1 var(--font-brand), Arial, sans-serif;letter-spacing:-1px}.account-page-wordmark span{color:var(--amber)}.account-page-close{width:40px;height:40px;color:var(--muted);background:0 0;border:0;border-radius:50%;place-items:center;font-size:24px;transition:color .14s,background-color .14s,transform .14s;display:grid}.account-page-close:hover{color:var(--text);background:#ffffff08}.account-page-close:active{transform:scale(.93)}.account-page-grid{grid-template-columns:minmax(280px,34%) minmax(0,1fr);height:calc(100% - 58px);display:grid}.account-identity{border-right:1px solid var(--line);background:color-mix(in srgb, var(--raised) 44%, var(--base));flex-direction:column;min-width:0;padding:clamp(30px,3.5vw,44px);display:flex}.account-page-rule{background:var(--amber);transform-origin:0;width:42px;height:1px;margin-bottom:27px;animation:.52s cubic-bezier(.16,1,.3,1) .12s both account-rule-in}.account-portrait{width:66px;height:66px;margin-bottom:20px;position:relative}.account-portrait>img,.account-portrait>span{object-fit:cover;background:var(--raised);width:64px;height:64px;color:var(--text);font:500 23px/1 var(--font-display), Georgia, serif;border:1px solid #454038;border-radius:50%;place-items:center;display:grid}.account-portrait>i{border:2px solid var(--raised);background:var(--green);border-radius:50%;width:10px;height:10px;position:absolute;bottom:3px;right:4px}.account-welcome>span,.account-section-heading>div>span{color:var(--blue);letter-spacing:.15em;text-transform:uppercase;font-size:9px}.account-welcome h1{max-width:340px;font:500 clamp(34px, 3.7vw, 48px)/1 var(--font-display), Georgia, serif;letter-spacing:-.045em;margin:9px 0 0}.account-status{border-left:1px solid var(--blue);gap:4px;margin-top:auto;padding:14px 0 0 13px;display:grid}.account-status[data-tone=full],.account-status[data-tone=owned]{border-left-color:var(--amber)}.account-status>span{font:500 19px/1.1 var(--font-display), Georgia, serif}.account-status>small{color:var(--muted);font-size:11px}.account-content{min-width:0;padding:0 clamp(26px,3.5vw,42px) 14px;overflow:hidden}.account-section{border-bottom:1px solid var(--line);padding:21px 0}.account-section:last-child{border-bottom:0}.account-section-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:14px;display:flex}.account-section-heading h2{font:500 24px/1 var(--font-display), Georgia, serif;letter-spacing:-.025em;margin:5px 0 0}.account-section-heading>p{justify-items:end;gap:2px;margin:0;display:grid}.account-section-heading>p strong{color:var(--amber);font-size:14px;font-weight:400}.account-section-heading>p small{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:9px}.account-progress-list{grid-template-columns:1fr 1fr;gap:10px;display:grid}.account-progress-row{border:1px solid var(--line);background:color-mix(in srgb, var(--raised) 56%, var(--base));border-radius:12px;min-width:0;padding:12px 13px}.account-progress-row>div{gap:3px;display:grid}.account-progress-row>div>span{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:10px}.account-progress-row>div>strong{font:500 20px/1.12 var(--font-display), Georgia, serif}.account-progress-row>div>small{color:var(--muted);font-size:11px}.account-progress-track{background:#403b33;height:1px;margin-top:12px;display:block;overflow:hidden}.account-progress-track>i{background:var(--amber);width:100%;height:100%;transform:scaleX(var(--account-progress));transform-origin:0;transition:transform .32s cubic-bezier(.16,1,.3,1);display:block}.account-progress-row[data-tone=blue] .account-progress-track>i{background:var(--blue)}.account-text-action{color:#aaa397;background:0 0;border:0;min-height:38px;padding:6px 1px;font-size:12px}.account-text-action:hover{color:var(--amber)}.account-products{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.account-product{border-bottom:1px solid var(--line);grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:12px;padding:10px 0;display:grid}.account-product-mark{width:30px;height:30px;color:var(--muted);font:500 10px/1 var(--font-display), Georgia, serif;border:1px solid #49443b;border-radius:50%;place-items:center;display:grid}.account-product[data-owned] .account-product-mark{border-color:color-mix(in srgb, var(--green) 55%, transparent);color:var(--green)}.account-product>span:nth-child(2){gap:3px;display:grid}.account-product strong{font-size:14px;font-weight:400}.account-product small{color:var(--muted);font-size:11px}.account-product em{color:var(--muted);letter-spacing:.12em;text-transform:uppercase;font-size:9px;font-style:normal}.account-product[data-owned] em{color:var(--green)}.account-setting-row{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;min-height:46px;display:flex}.account-setting-row>div{gap:3px;min-width:0;display:grid}.account-setting-row>div span{color:var(--muted);font-size:10px}.account-setting-row>div strong{text-overflow:ellipsis;font-size:13px;font-weight:400;overflow:hidden}.account-setting-row>em{color:var(--muted);font-size:10px;font-style:normal}.account-name-form{background:var(--raised);border:1px solid #3c382f;border-radius:12px;gap:9px;padding:15px;animation:.2s cubic-bezier(.16,1,.3,1) both auth-stage-in;display:grid}.account-name-form label{color:var(--muted);font-size:10px}.account-name-form input{background:var(--base);width:100%;min-height:48px;color:var(--text);border:1px solid #4b453b;border-radius:9px;outline:0;padding:0 13px;font-size:16px}.account-name-form input:focus{border-color:var(--amber)}.account-name-form>div{grid-template-columns:1fr auto;align-items:center;gap:10px;display:grid}.account-name-form .auth-primary{min-height:43px}.account-form-error{color:#e2a08c;min-height:16px;margin:0;font-size:11px}.account-signout-row{border:0;border-top:1px solid var(--line);color:#c0b9ad;text-align:left;background:0 0;justify-content:space-between;align-items:center;width:100%;min-height:44px;padding:0;font-size:12px;display:flex}.account-signout-row:hover{color:var(--text)}.account-credits-row{text-decoration:none}.account-credits-row:focus-visible,.auth-credits-link:focus-visible{outline:1px solid var(--amber);outline-offset:3px}.auth-credits-link{color:inherit;text-underline-offset:3px}@keyframes account-page-scrim-in{0%{opacity:0}to{opacity:1}}@keyframes account-page-in{0%{opacity:0;transform:translateY(12px)scale(.992)}to{opacity:1;transform:none}}@keyframes account-rule-in{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@media (max-width:700px){.account-corner{top:max(25px, env(safe-area-inset-top,0px));right:max(20px, env(safe-area-inset-right,0px))}.account-entry{min-height:38px;padding-right:11px;font-size:12px}.account-entry .account-avatar{width:27px;height:27px}.account-page-scrim{padding:0}.account-page{border:0;border-radius:0;width:100%;height:100dvh}.account-page-topbar{height:max(62px, calc(52px + env(safe-area-inset-top,0px)));padding-top:env(safe-area-inset-top,0px)}.account-page-grid{height:calc(100% - max(62px, calc(52px + env(safe-area-inset-top,0px))));display:block;overflow-y:auto}.account-identity{border-right:0;border-bottom:1px solid var(--line);min-height:300px;padding:30px 24px 28px}.account-page-rule{margin-bottom:26px}.account-portrait{margin-bottom:20px}.account-welcome h1{max-width:330px;font-size:clamp(36px,11vw,48px)}.account-status{margin-top:28px}.account-content{padding:0 22px max(34px, calc(env(safe-area-inset-bottom,0px) + 24px));overflow:visible}.account-section{padding:29px 0}.account-progress-list{grid-template-columns:1fr}.account-section-heading h2{font-size:25px}}@media (max-width:380px){.account-entry{min-width:0}.account-corner[data-signed-in] .account-entry>span:not(.account-avatar){display:none}.account-corner[data-signed-in] .account-entry{padding-right:7px}.account-corner[data-signed-in] .account-entry>i{display:none}}@media (prefers-reduced-motion:reduce){.auth-stage,.account-page-scrim,.account-page,.account-page-rule,.account-name-form{animation:none}.account-entry,.account-page-close,.account-progress-track>i{transition:none}}:root[data-reduced-motion] .auth-scrim,:root[data-reduced-motion] .auth-card,:root[data-reduced-motion] .auth-stage,:root[data-reduced-motion] .account-sheet,:root[data-reduced-motion] .account-page-scrim,:root[data-reduced-motion] .account-page,:root[data-reduced-motion] .account-page-rule,:root[data-reduced-motion] .account-name-form{animation:none}:root[data-reduced-motion] .auth-primary,:root[data-reduced-motion] .auth-secondary,:root[data-reduced-motion] .auth-close,:root[data-reduced-motion] .account-badge,:root[data-reduced-motion] .account-entry,:root[data-reduced-motion] .account-page-close,:root[data-reduced-motion] .account-progress-track>i{transition:none}
.practice-main:has(.learning-modes){padding-top:clamp(16px,3svh,30px)}.learning-modes{width:min(990px,100%);margin:0 auto}.mode-hero{grid-template-rows:auto auto;grid-template-columns:minmax(0,1fr);align-items:center;display:grid;position:relative}.mode-hero .map-heading{grid-area:1/1/auto/-1;width:100%;padding:0 0 18px}.mode-hero .map-heading h1{font:500 clamp(58px,7vw,82px)/.98 var(--font-display),Arial,sans-serif;letter-spacing:.01em}.home-sign-in{z-index:3;min-height:44px;color:var(--text);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);font:500 12px/1 var(--font-display),Arial,sans-serif;letter-spacing:.025em;background:#12110ee8;border:1px solid #938e8352;border-radius:4px;align-items:center;gap:10px;margin:0;padding:8px 13px 8px 8px;transition:color .18s,background-color .18s,border-color .18s,transform .2s cubic-bezier(.16,1.2,.3,1),box-shadow .18s;display:inline-flex;position:fixed;top:36px;right:4.5vw;box-shadow:0 8px 24px 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