:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--canvas:#fafaf9;--surface:#fff;--surface-sunk:#f2f2f0;--line:#e7e7e4;--ink:#141416;--ink-muted:#5f5f67;--ink-faint:#a3a3aa;--accent:#0f7b67;--accent-hover:#0b6857;--on-accent:#fff;--accent-soft:#e6f2ef;--signal:#b4441b;--signal-soft:#fbeee8;--heat-1:#cfe6e0;--heat-2:#8fcbbc;--heat-3:#3fa58c;--heat-4:#0f7b67;--shadow-raise:0 1px 2px #1414160a, 0 12px 32px -16px #14141624;--shadow-float:0 2px 6px #1414160f, 0 24px 48px -16px #14141638;--font-sans:"Geist Variable", "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--font-bn:"Noto Sans Bengali Variable", "Noto Sans Bengali", "Hind Siliguri", sans-serif;--font-mono:"Geist Mono Variable", "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--space-12:48px;--space-16:64px;--radius-sm:8px;--radius-md:14px;--radius-lg:22px;--radius-full:999px;--ease-out:cubic-bezier(.22, 1, .36, 1);--ease-in-out:cubic-bezier(.65, 0, .35, 1)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--canvas:#0c0c0e;--surface:#151518;--surface-sunk:#1d1d21;--line:#26262b;--ink:#f2f2f0;--ink-muted:#a3a3ab;--ink-faint:#5b5b63;--accent:#3ccfae;--accent-hover:#62dcc0;--on-accent:#062a22;--accent-soft:#0f2c26;--signal:#f08a5d;--signal-soft:#33190f;--heat-1:#12352d;--heat-2:#1d6353;--heat-3:#2b9b80;--heat-4:#3ccfae;--shadow-raise:0 1px 2px #00000080, 0 16px 40px -20px #000c;--shadow-float:0 2px 6px #0009, 0 24px 56px -16px #000000e6}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--canvas:#0c0c0e;--surface:#151518;--surface-sunk:#1d1d21;--line:#26262b;--ink:#f2f2f0;--ink-muted:#a3a3ab;--ink-faint:#5b5b63;--accent:#3ccfae;--accent-hover:#62dcc0;--on-accent:#062a22;--accent-soft:#0f2c26;--signal:#f08a5d;--signal-soft:#33190f;--heat-1:#12352d;--heat-2:#1d6353;--heat-3:#2b9b80;--heat-4:#3ccfae;--shadow-raise:0 1px 2px #00000080, 0 16px 40px -20px #000c;--shadow-float:0 2px 6px #0009, 0 24px 56px -16px #000000e6}*,:before,:after{box-sizing:border-box}html,body{background:var(--canvas);color:var(--ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;margin:0;font-size:15px;font-weight:400;line-height:1.6}body{min-width:1024px}h1,h2,h3,p{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:default}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:var(--radius-sm)}::selection{background:var(--accent-soft)}.bn{font-family:var(--font-bn);letter-spacing:0}.muted{color:var(--ink-muted)}.small{font-size:13px;line-height:20px}.label{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);font-size:11px;font-weight:500;line-height:16px}.title{letter-spacing:-.025em;text-wrap:balance;font-size:30px;font-weight:500;line-height:36px}.lede{color:var(--ink-muted);max-width:60ch;font-size:15px;line-height:24px}.figure{letter-spacing:-.03em;font-variant-numeric:tabular-nums;font-size:44px;font-weight:300;line-height:48px}.spacer{flex:1}.btn{justify-content:center;align-items:center;gap:var(--space-2);border-radius:var(--radius-full);letter-spacing:-.01em;white-space:nowrap;height:44px;transition:background-color .16s, border-color .16s, color .16s, transform .16s var(--ease-out), opacity .16s;border:1px solid #0000;padding:0 22px;font-size:15px;font-weight:500;display:inline-flex;position:relative;overflow:hidden}.btn:active:not(:disabled){transform:scale(.98)}.btn-lg{height:56px;padding:0 32px;font-size:16px}.btn-primary{background:var(--accent);color:var(--on-accent)}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--line)}.btn-secondary:hover:not(:disabled){border-color:var(--ink-faint)}.btn-quiet{color:var(--ink-muted);background:0 0;padding:0 14px}.btn-quiet:hover:not(:disabled){color:var(--ink);background:var(--surface-sunk)}.btn:disabled{opacity:.45}.icon-btn{border-radius:var(--radius-full);width:40px;height:40px;color:var(--ink-muted);background:0 0;border:0;place-items:center;transition:background-color .16s,color .16s;display:inline-grid}.icon-btn:hover{background:var(--surface-sunk);color:var(--ink)}.icon-btn.ring{background:var(--surface);border:1px solid var(--line);width:56px;height:56px}.icon-btn.ring:hover{border-color:var(--ink-faint)}.icon-btn.is-muted{color:var(--ink-faint)}.icon-btn.is-on{color:var(--accent)}.back{color:var(--ink-muted);align-self:flex-start;align-items:center;gap:6px;font-size:14px;transition:color .16s;display:inline-flex}.back:hover{color:var(--ink)}.link{color:var(--accent);align-items:center;gap:6px;font-size:14px;font-weight:500;display:inline-flex}.seg{border-radius:var(--radius-full);background:var(--surface-sunk);gap:2px;padding:3px;display:inline-flex;position:relative}.seg button{border-radius:var(--radius-full);height:34px;color:var(--ink-muted);background:0 0;border:0;padding:0 18px;font-size:14px;font-weight:500;transition:color .2s;position:relative}.seg.sm button{height:30px;padding:0 12px;font-size:13px}.seg button.is-on{color:var(--ink)}.seg button:disabled{opacity:.4}.seg-pill{border-radius:var(--radius-full);background:var(--surface);z-index:0;position:absolute;inset:0;box-shadow:0 1px 2px #14141614}.seg-text{z-index:1;position:relative}.line{border-radius:var(--radius-full);background:var(--surface-sunk);height:3px;display:block;overflow:hidden}.line>span{border-radius:inherit;background:var(--accent);transform-origin:0;height:100%;display:block}.dots{gap:var(--space-2);display:flex}.dot{border-radius:var(--radius-full);background:var(--surface-sunk);width:10px;height:10px;box-shadow:inset 0 0 0 1px var(--line);position:relative}.dot>span{border-radius:inherit;background:var(--accent);position:absolute;inset:0}.switch{border-radius:var(--radius-full);background:var(--line);border:0;flex:none;width:40px;height:24px;padding:0;transition:background-color .2s;position:relative}.switch:after{content:"";width:18px;height:18px;transition:transform .28s var(--ease-out);background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;box-shadow:0 1px 2px #0003}.switch[aria-checked=true]{background:var(--accent)}.switch[aria-checked=true]:after{transform:translate(16px)}.app{flex-direction:column;min-height:100vh;display:flex}.nav{z-index:20;align-items:center;gap:var(--space-12);background:color-mix(in srgb, var(--canvas) 86%, transparent);-webkit-backdrop-filter:saturate(1.4)blur(12px);backdrop-filter:saturate(1.4)blur(12px);border-bottom:1px solid var(--line);height:64px;padding:0 40px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:var(--space-2);letter-spacing:-.02em;font-size:17px;font-weight:500;display:flex}.nav-links{gap:var(--space-8);display:flex}.nav-link{height:64px;color:var(--ink-muted);align-items:center;gap:6px;font-size:14px;transition:color .16s;display:flex;position:relative}.nav-link:hover,.nav-link.active{color:var(--ink)}.due-dot{border-radius:var(--radius-full);background:var(--signal);width:6px;height:6px}.nav-end{align-items:center;gap:var(--space-2);margin-left:auto;display:flex}.level-pill{border-radius:var(--radius-full);border:1px solid var(--line);height:32px;color:var(--ink-muted);align-items:center;padding:0 14px;font-size:13px;font-weight:500;transition:border-color .16s,color .16s;display:inline-flex}.nav-end .icon-btn{width:36px;height:36px}.level-pill:hover{border-color:var(--ink-faint);color:var(--ink)}.page{flex-direction:column;gap:40px;width:min(960px,100% - 80px);margin:0 auto;padding:72px 0 120px;display:flex}.page.topic{gap:32px;padding-top:48px}.page.narrow{width:min(640px,100% - 80px)}.page-head{justify-content:space-between;align-items:flex-end;gap:32px;display:flex}.page-head>div{flex-direction:column;gap:8px;display:flex}.empty{color:var(--ink-muted);text-align:center;padding:48px 0}.continue{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-raise);flex-direction:column;gap:40px;padding:48px;display:flex}.continue-text{flex-direction:column;gap:16px;display:flex}.continue-sentence{letter-spacing:-.03em;text-wrap:balance;font-size:44px;font-weight:300;line-height:54px}.continue-bn{color:var(--ink-muted);font-size:16px}.continue-foot{justify-content:space-between;align-items:flex-end;gap:40px;display:flex}.continue-progress{flex-direction:column;gap:10px;width:320px;display:flex}.home-meta{color:var(--ink-muted);align-items:center;gap:48px;font-size:14px;display:flex}.home-meta b{color:var(--ink);font-weight:500}.home-meta .line{width:120px}.inline{align-items:center;gap:14px;display:flex}.due-link{color:var(--signal);align-items:center;gap:8px;transition:opacity .16s;display:inline-flex}.due-link:hover{opacity:.8}.tiles{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.tile{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);transition:box-shadow .28s var(--ease-out), border-color .28s;flex-direction:column;gap:24px;padding:28px;display:flex}.tile:hover{box-shadow:var(--shadow-raise);border-color:#0000}.tile-icon{border-radius:var(--radius-md);background:var(--surface-sunk);width:44px;height:44px;color:var(--ink-muted);place-items:center;display:grid}.tile-name{letter-spacing:-.01em;font-size:17px;font-weight:500;line-height:24px}.tile-bn{color:var(--ink-muted);font-size:14px;line-height:22px}.tile-foot{flex-direction:column;gap:10px;display:flex}.track-head{justify-content:space-between;align-items:flex-end;gap:40px;display:flex}.track-head>div{flex-direction:column;gap:10px;max-width:620px;display:flex}.units{flex-direction:column;display:flex}.unit{flex-direction:column;gap:16px;padding:28px 0;display:flex}.unit+.unit{border-top:1px solid var(--line)}.unit-head{align-items:baseline;gap:12px;display:flex}.unit-name{letter-spacing:-.01em;font-size:17px;font-weight:500}.unit-bn{color:var(--ink-muted);font-size:14px}.pills{gap:var(--space-2);flex-wrap:wrap;display:flex}.pill{border-radius:var(--radius-full);border:1px solid var(--line);background:var(--surface);height:36px;color:var(--ink-muted);align-items:center;gap:6px;padding:0 16px;font-size:14px;transition:border-color .16s,color .16s,background-color .16s;display:inline-flex}.pill:hover{color:var(--ink);border-color:var(--ink-faint)}.pill.is-done{background:var(--accent-soft);color:var(--accent);border-color:#0000}.pill.is-due{background:var(--signal-soft);color:var(--signal);border-color:#0000}.pill.is-next{border-color:var(--accent);color:var(--ink)}.pill.is-progress{color:var(--ink)}.pill-count{color:var(--ink-muted);font-variant-numeric:tabular-nums;font-size:12px}.practice{flex-direction:column;height:100vh;min-height:640px;display:flex;overflow:hidden}.p-top{flex:none;align-items:center;gap:32px;height:72px;padding:0 40px;display:flex}.p-segs{flex:1;gap:6px;max-width:560px;margin:0 auto;display:flex}.p-segs .line{flex:1}.p-count{color:var(--ink-muted);font-variant-numeric:tabular-nums;text-align:right;min-width:40px;font-size:13px}.p-stage{flex-direction:column;flex:1;justify-content:center;align-items:center;min-height:0;padding:0 120px;display:flex}.p-item{flex-direction:column;align-items:center;gap:28px;width:100%;max-width:980px;display:flex}.p-pattern{font-family:var(--font-mono);color:var(--ink-muted);font-size:13px}.p-title{color:var(--ink-muted);letter-spacing:.04em;text-transform:uppercase;font-size:13px;font-weight:500}.p-status{height:36px;color:var(--accent);align-items:center;gap:8px;font-size:14px;display:inline-flex}.sentence{text-align:center;text-wrap:balance;color:var(--ink);margin:0;font-weight:300}.sentence.size-xl{letter-spacing:-.035em;max-width:20ch;font-size:56px;line-height:68px}.sentence.size-lg{letter-spacing:-.03em;max-width:26ch;font-size:42px;line-height:56px}.sentence.size-md{letter-spacing:-.02em;max-width:34ch;font-size:32px;font-weight:350;line-height:46px}.sentence.size-para{letter-spacing:-.01em;text-align:left;text-wrap:pretty;max-width:62ch;font-size:22px;font-weight:350;line-height:38px}.w{border-radius:var(--radius-sm);transition:background-color .4s var(--ease-in-out)}.w-h,.w-g{transition:color .4s var(--ease-in-out)}.w.is-hidden{background:var(--surface-sunk)}.w.is-hidden .w-h{color:var(--ink-faint)}.w.is-hidden .w-g,.w.is-hidden.no-hint .w-h{color:#0000}.w.is-hidden:hover .w-h,.w.is-hidden:hover .w-g{color:var(--ink-faint)}.gloss{display:inline-block;position:relative}.gloss-word{font:inherit;letter-spacing:inherit;color:inherit;-webkit-text-decoration:underline dotted var(--ink-faint);text-decoration:underline dotted var(--ink-faint);text-underline-offset:.2em;border-radius:var(--radius-sm);background:0 0;border:0;padding:0;text-decoration-thickness:2px;transition:text-decoration-color .16s}.gloss-word:hover,.gloss.is-open .gloss-word{-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent)}.popover{z-index:30;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);width:220px;box-shadow:var(--shadow-float);letter-spacing:0;text-align:left;flex-direction:column;gap:4px;padding:16px 18px;font-size:15px;font-weight:400;line-height:1.4;display:flex;position:absolute;top:calc(100% + 12px);left:50%}.popover-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.popover-word{font-size:17px;font-weight:500;line-height:24px}.popover-pos{color:var(--ink-muted);font-size:12px}.popover-bn{color:var(--accent);font-size:17px;font-weight:500;line-height:26px}.popover .icon-btn{width:28px;height:28px}.meaning-wrap{flex-direction:column;align-items:center;gap:16px;display:flex}.meaning{overflow:hidden}.meaning-text{border-radius:var(--radius-md);background:var(--accent-soft);max-width:44ch;color:var(--ink);text-align:center;padding:14px 22px;font-size:22px;line-height:34px;display:block}.meaning-text.is-para{text-align:left;max-width:62ch;font-size:18px;line-height:32px}.meaning-toggle{border-radius:var(--radius-full);border:1px solid var(--line);background:var(--surface);height:36px;color:var(--ink-muted);align-items:center;gap:8px;padding:0 16px;font-size:15px;font-weight:500;transition:background-color .2s,color .2s,border-color .2s;display:inline-flex}.meaning-toggle:hover{color:var(--ink);border-color:var(--ink-faint)}.meaning-toggle.is-on{background:var(--accent-soft);color:var(--accent);border-color:#0000}.heard{min-height:28px;color:var(--ink-faint);text-align:center;font-size:17px}.heard .hit{color:var(--accent)}.heard .interim{opacity:.6}.heard-error{color:var(--signal);font-size:14px}.type-input{border-radius:var(--radius-md);border:1px solid var(--line);background:var(--surface);text-align:center;resize:none;width:min(640px,100%);padding:14px 20px;font-size:19px;line-height:1.5;transition:border-color .2s,box-shadow .2s}.type-input::placeholder{color:var(--ink-faint)}.type-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);outline:none}.type-feedback{font-size:15px}.type-feedback .ok{color:var(--accent)}.type-feedback .bad{color:var(--signal);text-decoration:line-through}.p-foot{flex-direction:column;flex:none;align-items:center;gap:24px;padding:0 40px 56px;display:flex}.p-controls{grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;width:100%;max-width:640px;display:grid}.p-controls>:first-child{justify-self:end}.p-controls>:last-child{justify-self:start}.repeat{min-width:200px}.repeat[aria-disabled=true]{background:color-mix(in srgb, var(--accent) 45%, var(--canvas))}.pace{background:var(--accent);transform-origin:0;pointer-events:none;position:absolute;inset:0}.btn-label{z-index:1;align-items:center;gap:8px;display:inline-flex;position:relative}.listening{background:var(--signal);color:#fff}.listening:hover:not(:disabled){background:var(--signal)}.nudge{color:var(--ink-muted);min-height:20px;font-size:13px}.summary{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:32px;min-height:100vh;padding:48px;display:flex}.summary-figures{gap:64px;padding:8px 0;display:flex}.summary-figures>div{flex-direction:column;align-items:center;gap:4px;display:flex}.summary-actions{align-items:center;gap:12px;display:flex}.rows{flex-direction:column;display:flex}.row{border-top:1px solid var(--line);align-items:center;gap:16px;padding:18px 0;transition:opacity .16s;display:flex}.row:last-child{border-bottom:1px solid var(--line)}.row:hover .row-title{color:var(--accent)}.row-main{flex-direction:column;flex:1;min-width:0;display:flex}.row-title{font-size:15px;font-weight:500;transition:color .16s}.row-when{color:var(--ink-muted);font-size:13px}.row-when.is-due{color:var(--signal)}.section-title{font-size:15px;font-weight:500}.figures{gap:96px;display:flex}.figures>div{flex-direction:column;gap:4px;display:flex}.heatmap-wrap{flex-direction:column;gap:16px;display:flex;position:relative}.heatmap{gap:4px;display:flex;position:relative}.heat-col{flex-direction:column;gap:4px;display:flex}.heat{background:var(--surface-sunk);border-radius:4px;width:14px;height:14px}.heat.h1{background:var(--heat-1)}.heat.h2{background:var(--heat-2)}.heat.h3{background:var(--heat-3)}.heat.h4{background:var(--heat-4)}.heat.future{background:0 0}.heat-legend{color:var(--ink-muted);align-items:center;gap:4px;font-size:12px;display:flex}.tooltip{z-index:5;border-radius:var(--radius-sm);background:var(--ink);color:var(--canvas);white-space:nowrap;pointer-events:none;padding:6px 10px;font-size:12px;position:absolute;transform:translate(-50%,calc(-100% - 8px))}.bars{flex-direction:column;gap:16px;max-width:640px;display:flex}.bar-row{grid-template-columns:160px minmax(0,1fr) 48px;align-items:center;gap:16px;font-size:14px;display:grid}.bar-row .num{text-align:right;color:var(--ink-muted);font-variant-numeric:tabular-nums;font-size:13px}.settings{flex-direction:column;display:flex}.setting{border-top:1px solid var(--line);align-items:center;gap:24px;padding:20px 0;display:flex}.setting:last-child{border-bottom:1px solid var(--line)}.setting-text{flex-direction:column;flex:1;gap:2px;display:flex}.setting-name{font-weight:500}.setting-hint{color:var(--ink-muted);font-size:13px}.setting select{appearance:none;border-radius:var(--radius-full);border:1px solid var(--line);background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;max-width:260px;height:36px;padding:0 32px 0 14px;font-size:14px}.setting input[type=range]{accent-color:var(--accent);width:200px}.danger{color:var(--signal)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}