/*! tailwindcss v4.3.5 | MIT License | https://tailwindcss.com */@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:block))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;-moz-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;-moz-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.static{position:static}.block{display:block}.hidden{display:none}.table{display:table}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.filter{filter:var(--tw-blur, ) var(--tw-brightness, ) var(--tw-contrast, ) var(--tw-grayscale, ) var(--tw-hue-rotate, ) var(--tw-invert, ) var(--tw-saturate, ) var(--tw-sepia, ) var(--tw-drop-shadow, )}}:root{color:#24352e;font-synthesis:none;background:#f6f2e9;font-family:DM Sans,sans-serif}*{box-sizing:border-box}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}.bangla{letter-spacing:0;font-family:Noto Sans Bengali,sans-serif;line-height:1.45}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em}h1,h2{font-family:Fraunces,serif;font-weight:500}a{color:inherit}#root{min-height:100vh}html{scroll-behavior:smooth}body{margin:0}.app-shell{color:#24352e;background:#f6f2e9;min-height:100vh;display:flex}.sidebar{z-index:10;background:#efeee5;border-right:1px solid #dddcd1;flex-direction:column;flex:none;width:248px;height:100vh;padding:27px 18px;display:flex;position:sticky;top:0}.brand{text-align:left;color:#233c31;background:0 0;border:0;align-items:center;gap:10px;padding:2px 7px 34px;display:flex}.brand-mark{color:#fff;background:#244e3b;border-radius:12px 12px 4px;place-items:center;width:39px;height:42px;font:600 26px Noto Sans Bengali,sans-serif;display:grid}.brand strong{font-size:18px;line-height:1.3;display:block}.brand small{letter-spacing:.18em;color:#819087;margin-top:1px;font-size:9px;font-weight:700;display:block}.sidebar-label,.eyebrow{letter-spacing:.17em;color:#9b6b47;font-size:10px;font-weight:700}.sidebar-label{color:#8c9990;padding:9px 15px 11px}.sidebar nav{gap:5px;display:grid}.nav-item{color:#65746c;text-align:left;background:0 0;border:0;border-radius:10px;align-items:center;gap:14px;padding:13px 15px;font-size:13px;font-weight:600;display:flex}.nav-item:hover,.nav-item.active{color:#234d39;background:#fff}.nav-item.active{box-shadow:0 2px 10px #183c2508}.nav-dot{background:#b9684a;border-radius:50%;width:6px;height:6px;margin-left:auto}.sidebar-bottom{margin-top:auto}.mini-progress{background:#e4e9dc;border-radius:11px;padding:17px 15px 18px}.mini-progress-top{color:#607368;justify-content:space-between;font-size:11px;display:flex}.mini-progress-top strong{color:#2c5942}.progress-track{background:#c8d6c5;border-radius:10px;height:5px;margin-top:11px;overflow:hidden}.progress-track div{background:#4e8a69;border-radius:10px;height:100%}.settings-link{color:#65746c;background:0 0;border:0;align-items:center;gap:12px;padding:22px 13px 0;font-size:12px;font-weight:600;display:flex}.main-wrap{flex:1;min-width:0}.topbar{z-index:5;background:#f9f6ef;border-bottom:1px solid #e5e0d5;justify-content:space-between;align-items:center;height:74px;padding:0 44px;display:flex;position:sticky;top:0}.breadcrumb{color:#9a9f95;align-items:center;gap:10px;font-size:12px;display:flex}.breadcrumb strong{color:#405247;font-weight:600}.top-actions{align-items:center;gap:14px;display:flex}.language-switch{background:#eae9dd;border-radius:8px;align-items:center;padding:3px;display:flex}.language-switch button{color:#77867b;letter-spacing:.06em;background:0 0;border:0;border-radius:6px;padding:7px 9px;font-size:10px;font-weight:700}.language-switch button.selected{color:#294c39;background:#fff;box-shadow:0 1px 4px #1b2c1b18}.icon-button{color:#536559;background:#fff;border:1px solid #dfdfd3;border-radius:8px;place-items:center;width:34px;height:34px;display:grid}.mobile-menu{display:none}main{max-width:1500px;margin:auto}.page{padding:39px 44px 70px}.audio-notice{color:#7e5b37;background:#f8e9d3;border-bottom:1px solid #edd6b4;align-items:center;gap:10px;padding:10px 44px;font-size:12px;display:flex}.audio-notice svg{flex:none}.hero{background:#e7e9dc;border-radius:17px;grid-template-columns:1.2fr .8fr;min-height:403px;display:grid;position:relative;overflow:hidden}.hero-copy{z-index:1;padding:50px 48px 35px;position:relative}.eyebrow-line{vertical-align:middle;background:#ad6e4d;width:22px;height:1px;margin-right:6px;display:inline-block}.hero h1{color:#203c2d;margin:19px 0 16px;font-size:clamp(38px,4.2vw,63px);line-height:1.13}.hero h1 .bangla{color:#a2533e;font-size:1.22em}.hero p{color:#627568;max-width:480px;margin-bottom:26px;font-size:14px;line-height:1.7}.hero-actions{flex-wrap:wrap;gap:11px;display:flex}.btn{border-radius:8px;justify-content:center;align-items:center;gap:11px;min-height:42px;padding:0 17px;font-size:12px;font-weight:700;transition:transform .2s,background .2s,border-color .2s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn-primary{color:#fff;background:#244f3b;border:1px solid #244f3b}.btn-primary:hover{background:#32674d}.btn-outline{color:#2e5642;background:0 0;border:1px solid #aebbb0}.btn-outline:hover{background:#fff7}.hero-stat{color:#66786b;margin-top:25px;font-size:12px}.hero-stat strong{color:#2e5b40}.stat-dot{background:#a75f45;border-radius:50%;width:7px;height:7px;margin-right:5px;display:inline-block}.hero-art{background:radial-gradient(circle at 65% 48%,#ccd8c9 0,#e7e9dc 60%);min-height:340px;position:relative}.art-orbit{border:1px solid #bdcbbb;border-radius:50%;position:absolute;transform:rotate(-22deg)}.orbit-one{width:390px;height:240px;top:90px;left:10px}.orbit-two{width:300px;height:360px;top:15px;left:75px}.art-card{color:#30563c;background:#f8f4eb;border-radius:14px;place-items:center;font-weight:500;display:grid;position:absolute;box-shadow:0 18px 35px #48644e2b}.art-a{width:120px;height:142px;font-size:90px;top:89px;left:45px;transform:rotate(-9deg)}.art-aa{z-index:2;color:#ad5b42;width:150px;height:174px;font-size:107px;top:70px;left:180px;transform:rotate(7deg)}.art-ka{z-index:3;width:102px;height:113px;font-size:70px;top:216px;left:129px;transform:rotate(-6deg)}.art-caption{letter-spacing:.1em;color:#798d78;font-size:11px;position:absolute;bottom:23px;right:26px}.section{margin-top:53px}.section-heading{justify-content:space-between;align-items:end;margin-bottom:20px;display:flex}.section-heading h2{margin:7px 0 0;font-size:30px}.link-button{color:#315b44;background:0 0;border:0;align-items:center;gap:8px;font-size:12px;font-weight:700;display:inline-flex}.link-button:hover{text-decoration:underline}.module-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.module-card{text-align:left;background:#fffdf8;border:1px solid #e5e2d8;border-radius:12px;flex-direction:column;align-items:flex-start;min-height:192px;padding:20px;transition:transform .2s,box-shadow .2s;display:flex;position:relative}.module-card:hover{transform:translateY(-3px);box-shadow:0 12px 25px #1b382316}.module-no{color:#a46b4e;justify-content:space-between;align-items:center;width:100%;font-size:10px;font-weight:700;display:flex}.badge{color:#4d7b59;letter-spacing:.02em;background:#e7f0e4;border-radius:30px;padding:4px 8px;font-size:9px;font-weight:700}.badge.muted{color:#9a9486;background:#eeeae1}.module-bangla{color:#2c563e;margin-top:10px;font-size:27px}.module-card strong{margin-top:1px;font-size:14px}.module-detail{color:#8a988d;margin-top:3px;padding-right:25px;font-size:11px;line-height:1.45}.module-arrow{color:#ab6a51;position:absolute;bottom:18px;right:18px}.companion-grid{grid-template-columns:1fr 1fr;gap:16px;margin-top:42px;display:grid}.companion-card{text-align:left;color:#fff;border:0;border-radius:13px;min-height:215px;padding:25px 27px;position:relative;overflow:hidden}.companion-card.green{background:#305d46}.companion-card.rust{background:#a7614b}.companion-card .eyebrow{color:#d3dccd}.companion-card h3{margin:38px 0 5px;font:500 25px Fraunces,serif}.companion-card p{opacity:.8;margin-bottom:0;font-size:12px}.companion-card>svg{position:absolute;bottom:27px;right:26px}.companion-glyph{opacity:.13;font-size:90px;position:absolute;top:8px;right:38px}.source-footnote{color:#90998e;max-width:750px;margin:30px 0;font-size:11px}.page-intro{margin-bottom:28px}.page-intro h1{margin:9px 0 7px;font-size:clamp(30px,3.2vw,43px);line-height:1.25}.page-intro p{color:#7c8b7e;font-size:13px}.heading-sub{color:#6a7a6b;font:500 23px DM Sans,sans-serif}.heading-bangla{color:#a35b42;margin-left:9px;font-size:.72em}.course-list{gap:9px;max-width:850px;display:grid}.course-row{text-align:left;color:#2c4233;background:#fffdf8;border:1px solid #e5e2d8;border-radius:10px;align-items:center;gap:23px;padding:17px 20px;display:flex}.course-row:hover{border-color:#9aad9c}.course-number{color:#af765b;font:500 24px Fraunces,serif}.course-glyph{min-width:140px;font-size:26px}.course-row strong,.course-row small{display:block}.course-row strong{font-size:14px}.course-row small{color:#879386;margin-top:4px;font-size:11px}.course-row>svg{color:#9c6b53;margin-left:auto}.back-link{color:#718371;background:0 0;border:0;align-items:center;gap:6px;margin:-2px 0 21px;padding:0;font-size:12px;display:flex}.lesson-layout{grid-template-columns:minmax(280px,38%) minmax(0,1fr);align-items:start;gap:21px;display:grid}.letter-browser{background:#fffdf8;border:1px solid #e7e2d9;border-radius:12px;padding:20px}.browser-heading{color:#9a6b4d;letter-spacing:.13em;justify-content:space-between;margin-bottom:18px;font-size:10px;font-weight:700;display:flex}.letter-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;display:grid}.letter-group{text-transform:uppercase;letter-spacing:.12em;color:#869186;margin:16px 0 8px;font-size:10px}.letter-tile{color:#314d38;background:#f9f7f0;border:1px solid #e9e5dc;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;height:68px;display:flex;position:relative}.letter-tile:hover,.letter-tile.selected{background:#e5ece0;border-color:#79a186}.letter-tile .bangla{font-size:30px;line-height:1.2}.letter-tile small{color:#a06c50;font-size:10px}.tile-check{color:#448457;position:absolute;top:3px;right:3px}.card{background:#fffdf8;border:1px solid #e7e2d9;border-radius:13px}.lesson-panel{overflow:hidden}.lesson-top{background:#ecf0e7;justify-content:space-between;align-items:flex-start;min-height:230px;padding:24px 32px;display:flex}.lesson-top h2{color:#274b36;margin:5px 0 -8px;font-size:94px;line-height:1.3}.letter-pronunciation{color:#a75c44;align-items:center;gap:12px;font-size:19px;font-weight:700;display:flex}.letter-pronunciation small{color:#7f8d80;font-size:13px;font-weight:400}.audio-btn{color:#356b4d;background:#fff;border:1px solid #bed0bf;border-radius:50%;flex:none;place-items:center;width:33px;height:33px;display:inline-grid}.audio-btn:hover:not(:disabled){background:#e5f0e6}.tiny-btn{color:#617866;background:#fff8;border:1px solid #bfcdbd;border-radius:6px;padding:7px 9px;font-size:10px;font-weight:700}.lesson-tabs{border-bottom:1px solid #e9e6db;gap:25px;padding:0 30px;display:flex;overflow:auto}.lesson-tabs button{color:#869085;white-space:nowrap;background:0 0;border:0;border-bottom:2px solid #0000;padding:16px 0;font-size:12px;font-weight:700}.lesson-tabs button.active{color:#2e5540;border-color:#a85e44}.lesson-content{padding:27px 31px}.lesson-content h3{margin-bottom:9px;font:500 23px Fraunces,serif}.lesson-content p{color:#65766a;max-width:530px;font-size:13px;line-height:1.75}.lesson-content .btn{margin-top:16px;margin-right:9px}.example-card{background:#faf8f1;border:1px solid #e5e2d6;border-radius:9px;align-items:center;gap:14px;margin:20px 0;padding:14px 18px;display:flex}.example-label{letter-spacing:.1em;color:#9d7156;text-transform:uppercase;font-size:10px}.example-word{color:#31533e;font-size:32px}.example-card>span:nth-last-child(2){color:#7e8b7f;font-size:12px}.tip-box,.note-box{color:#677763;background:#f2f3e8;border-radius:8px;align-items:flex-start;gap:9px;padding:12px 14px;font-size:11px;line-height:1.6;display:flex}.tip-box svg,.note-box svg{color:#aa7253;flex:none}.tracing-row{color:#a6b4a5;border-top:1px solid #e5e5da;border-bottom:1px solid #e5e5da;justify-content:space-between;align-items:end;gap:8px;padding:15px 10px;font-size:40px;display:flex}.tracing-row span:first-child{color:#274d37}.tracing-row span:nth-child(2){opacity:.65}.tracing-row span:nth-child(3){opacity:.3}.tracing-row span:nth-child(n+4){color:#d2d8cf;font-family:DM Sans}.quiz-count{color:#a7674d;margin-bottom:10px;font-size:11px;font-weight:700}.quiz-sound{color:#31543c;align-items:center;gap:13px;margin:20px 0;font-size:26px;display:flex}.answer-grid{grid-template-columns:repeat(4,1fr);gap:9px;display:grid}.answer-option{background:#f8f8f1;border:1px solid #e0e3d8;border-radius:9px;min-height:75px}.answer-option .bangla{font-size:33px}.answer-option:hover{border-color:#7ba184}.answer-option.correct,.practice-options .correct,.answer-list .correct{background:#e2f0e2;border-color:#75aa80}.answer-option.incorrect,.practice-options .incorrect,.answer-list .incorrect{background:#fbe9e4;border-color:#d88d75}.feedback{border-radius:7px;margin-top:13px;padding:10px 13px;font-size:12px}.feedback.good{color:#397045;background:#e7f2e6}.feedback.bad{color:#aa624b;background:#f9e9e3}.score-note{font-size:11px!important}.lesson-footer{border-top:1px solid #e9e7dc;justify-content:space-between;padding:16px 30px;display:flex}.sign-card,.word-lesson,.coming-card{max-width:980px;padding:28px 32px}.sign-card h2,.word-lesson h2{margin:8px 0;font-size:29px}.sign-card p,.word-lesson p,.coming-card p{color:#748476;font-size:13px;line-height:1.7}.sign-grid{grid-template-columns:repeat(5,1fr);gap:9px;margin:25px 0;display:grid}.sign-item{background:#faf8f2;border:1px solid #e5e4d9;border-radius:9px;flex-direction:column;align-items:center;gap:3px;padding:10px;display:flex}.sign-item>.bangla{color:#31553f;font-size:38px}.sign-item>span:nth-child(2){font-size:13px;font-weight:700}.sign-item small{color:#9a7965;font-size:10px}.word-row-grid{grid-template-columns:repeat(2,1fr);gap:8px;margin:24px 0;display:grid}.word-row{background:#faf8f2;border:1px solid #e9e5da;border-radius:8px;align-items:center;gap:12px;padding:10px 13px;display:flex}.word-row .bangla{color:#31533e;min-width:70px;font-size:24px}.word-row>span:nth-child(2){color:#9e6c50;font-size:11px}.word-row strong{margin-left:auto;font-size:11px}.coming-card{min-height:220px}.coming-card>.bangla{color:#ad6a52;font-size:45px}.coming-card h2{margin:8px 0}.vocab-tools{flex-wrap:wrap;gap:9px;display:flex}.search-box{color:#829185;background:#fffdf8;border:1px solid #e2e0d5;border-radius:9px;flex:1;align-items:center;gap:9px;min-width:260px;min-height:42px;padding:0 13px;display:flex}.search-box input{color:#2e4636;background:0 0;border:0;outline:0;flex:1;min-width:0;font-size:12px}.search-box button{color:#8e9a8e;background:0 0;border:0}.filter-button{color:#66796a;background:#fffdf8;border:1px solid #e2e0d5;border-radius:8px;align-items:center;gap:7px;min-height:42px;padding:0 13px;font-size:11px;font-weight:700;display:flex}.filter-button.active{color:#315b3d;background:#e7efe5;border-color:#9dbba0}.category-strip{flex-wrap:wrap;gap:7px;padding:18px 0 9px;display:flex}.category-strip button,.dialogue-controls button,.practice-switch button{white-space:nowrap;color:#718273;background:#f8f6ef;border:1px solid #e2e2d7;border-radius:30px;padding:7px 13px;font-size:12px;font-weight:700}.category-strip button.active,.dialogue-controls button.active,.practice-switch button.active{color:#fff;background:#2d5941;border-color:#2d5941}.results-line{color:#98a098;margin:10px 0 13px;font-size:13px}.vocab-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.vocab-card{min-height:190px;padding:16px 18px}.vocab-head,.vocab-word{justify-content:space-between;align-items:center;display:flex}.category-tag{text-transform:uppercase;letter-spacing:.1em;color:#9d7359;font-size:9px}.favorite-btn{color:#b7b8a9;background:0 0;border:0;padding:1px}.favorite-btn.selected{color:#b8624d}.vocab-word{margin-top:8px}.vocab-word .bangla{color:#2c523b;font-size:35px}.roman{color:#a0604b;margin-top:-3px;font-size:11px}.translation{border-top:1px solid #ece8df;margin-top:17px;padding-top:10px}.translation strong{font-size:12px}.translation small{color:#929e93;margin-top:2px;font-size:10px;display:block}.vocab-example{border-top:1px solid #ece8df;flex-direction:column;margin-top:10px;padding-top:10px;display:flex}.vocab-example .bangla{font-size:13px}.vocab-example small{color:#89978b;margin-top:2px;font-size:10px}.empty-state{text-align:center;color:#879486;padding:30px}.flashcard-wrap{max-width:520px;margin:16px auto}.flashcard{color:#32543e;flex-direction:column;justify-content:center;align-items:center;gap:13px;width:100%;min-height:310px;display:flex}.flashcard-bangla{font-size:65px}.flashcard>span:last-child{text-align:center;color:#9f6c52;font-size:14px}.flashcard-actions{justify-content:center;align-items:center;gap:12px;margin-top:15px;display:flex}.conversation-layout{grid-template-columns:260px 1fr;align-items:start;gap:18px;display:grid}.topic-list{gap:6px;display:grid}.topic-list button{text-align:left;color:#5f7464;background:0 0;border:1px solid #0000;border-radius:9px;align-items:center;gap:10px;padding:14px;display:flex}.topic-list button.active,.topic-list button:hover{background:#fffdf8;border-color:#e7e5d9}.topic-list .topic-index{color:#af795b;font:500 17px Fraunces,serif}.topic-list button span:nth-child(2){flex:1}.topic-list strong,.topic-list small{display:block}.topic-list strong{font-size:12px}.topic-list small{color:#9ca89b;font-size:13px}.dialogue-panel{padding:28px 31px}.dialogue-heading{color:#a36348;justify-content:space-between;align-items:center;display:flex}.dialogue-heading h2{color:#2c4b37;margin:7px 0 0;font-size:29px}.dialogue-controls{gap:8px;margin:19px 0 25px;display:flex}.dialogue-lines{gap:15px;display:grid}.dialogue-line{align-items:start;gap:10px;display:flex}.dialogue-line.role-b{padding-left:48px}.role-avatar{color:#376247;background:#dbe8da;border-radius:50%;flex:none;place-items:center;width:27px;height:27px;font-size:11px;font-weight:700;display:grid}.role-b .role-avatar{color:#a8624b;background:#f3e2d8}.speech-bubble{background:#f4f5ed;border-radius:2px 10px 10px;flex:1;max-width:530px;padding:11px 15px}.role-b .speech-bubble{background:#fbf2e9}.speech-main{justify-content:space-between;align-items:center;gap:12px;display:flex}.speech-main .bangla{color:#2b513c;font-size:22px}.line-roman,.line-translation{color:#a86950;margin-top:3px;font-size:11px;display:block}.line-translation{color:#78887a}.note-box{margin-top:25px}.roleplay-control{align-items:center;gap:12px;margin:22px 0 25px;display:flex}.roleplay-control small{color:#91a092;font-size:10px;line-height:1.5}.comprehension{border-top:1px solid #ece8dc;padding-top:22px}.comprehension h3{margin:7px 0 16px;font:500 20px Fraunces,serif}.answer-list{flex-wrap:wrap;gap:8px;display:flex}.answer-list button{color:#4e6654;background:#faf9f3;border:1px solid #e4e3d7;border-radius:7px;padding:8px 13px;font-size:12px}.practice-switch{gap:8px;margin-bottom:17px;display:flex}.practice-card{max-width:640px;min-height:370px;padding:29px 32px}.practice-card h2{margin:12px 0;font-size:26px}.practice-prompt{color:#2b533e;align-items:center;gap:12px;margin:19px 0;font-size:30px;display:flex}.practice-prompt .bangla{font-size:44px}.practice-options{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.practice-options button{text-align:left;color:#3b5a44;background:#faf9f4;border:1px solid #e3e4da;border-radius:8px;padding:12px;font-size:13px}.practice-options .bangla{font-size:24px}.practice-card .btn{margin-top:15px}.practice-result{text-align:center;justify-items:center;gap:7px;padding-top:25px;display:grid}.practice-result svg{color:#4c8b59}.practice-result h2{margin:0;font-size:58px}.practice-result p{color:#849285;font-size:12px}.modal-backdrop{z-index:30;background:#17251cc0;place-items:center;padding:20px;display:grid;position:fixed;top:0;right:0;bottom:0;left:0}.modal{width:min(440px,100%);padding:27px;position:relative}.modal-close{position:absolute;top:18px;right:18px}.modal h2{margin:9px 0;font-size:30px}.modal p{color:#6d7a6e;font-size:12px;line-height:1.7}.field-label{margin:20px 0 7px;font-size:11px;font-weight:700;display:block}.modal select{color:#38513e;background:#faf9f2;border:1px solid #dfe1d7;border-radius:7px;width:100%;padding:10px;font-size:12px}.text-danger{color:#a85e4c;background:0 0;border:0;align-items:center;gap:8px;margin-top:24px;padding:0;font-size:11px;font-weight:700;display:flex}.worksheet{display:none}button:focus-visible,input:focus-visible,select:focus-visible{outline-offset:2px;outline:3px solid #b77c5e}html[data-theme=dark] .sidebar{background:#1e2d24;border-color:#34483a}html[data-theme=dark] .topbar{background:#1b2921;border-color:#34483a}html[data-theme=dark] .card,html[data-theme=dark] .module-card,html[data-theme=dark] .course-row,html[data-theme=dark] .topic-list button.active,html[data-theme=dark] .search-box,html[data-theme=dark] .filter-button,html[data-theme=dark] .letter-browser{color:#e8eadf;background:#243329;border-color:#3b4a3d}html[data-theme=dark] .nav-item.active,html[data-theme=dark] .nav-item:hover{color:#e8eadf;background:#304235}html[data-theme=dark] .hero{background:#2d4434}html[data-theme=dark] .hero h1,html[data-theme=dark] .section-heading h2,html[data-theme=dark] .page-intro h1,html[data-theme=dark] .dialogue-heading h2{color:#e8eadf}html[data-theme=dark] .hero-art{background:radial-gradient(circle at 65% 48%,#425d45,#2d4434 60%)}html[data-theme=dark] .art-card{background:#eae7da}html[data-theme=dark] .mini-progress{background:#2d4233}html[data-theme=dark] .letter-tile,html[data-theme=dark] .answer-option,html[data-theme=dark] .sign-item,html[data-theme=dark] .word-row,html[data-theme=dark] .example-card,html[data-theme=dark] .speech-bubble,html[data-theme=dark] .practice-options button{color:#e8eadf;background:#2a3d2f;border-color:#445646}html[data-theme=dark] .lesson-top{background:#304637}html[data-theme=dark] .lesson-top h2,html[data-theme=dark] .vocab-word .bangla,html[data-theme=dark] .speech-main .bangla{color:#e6eddf}html[data-theme=dark] .tip-box,html[data-theme=dark] .note-box{color:#c7d1c3;background:#344332}html[data-theme=dark] .search-box input{color:#e8eadf}@media(max-width:1050px){.sidebar{width:210px}.page{padding:34px 28px 60px}.topbar{padding:0 28px}.module-grid,.vocab-grid{grid-template-columns:repeat(2,1fr)}.hero-copy{padding:43px 34px}.art-a{left:10px}.art-aa{left:130px}.art-ka{left:80px}.letter-grid{grid-template-columns:repeat(4,1fr)}}@media(max-width:760px){.sidebar{width:265px;transition:transform .25s;position:fixed;transform:translate(-100%);box-shadow:10px 0 35px #172b1a20}.sidebar.open{transform:translate(0)}.mobile-menu{display:grid}.topbar{height:61px;padding:0 18px}.breadcrumb{margin-left:12px;margin-right:auto}.page{padding:25px 17px 50px}.audio-notice{padding:10px 17px}.hero{grid-template-columns:1fr}.hero-copy{padding:32px 25px}.hero-art{min-height:225px}.art-a{width:85px;height:94px;font-size:62px;top:45px;left:25%}.art-aa{width:101px;height:117px;font-size:77px;top:34px;left:48%}.art-ka{width:70px;height:78px;font-size:48px;top:126px;left:39%}.orbit-one{width:300px;height:180px;top:20px;left:20%}.orbit-two{width:200px;height:240px;top:-20px;left:32%}.section{margin-top:37px}.module-grid{grid-template-columns:repeat(2,1fr)}.module-card{min-height:176px;padding:15px}.module-bangla{font-size:23px}.companion-grid{gap:10px}.companion-card{min-height:180px;padding:18px}.companion-card h3{margin-top:33px;font-size:20px}.companion-card p{font-size:11px}.lesson-layout,.conversation-layout{grid-template-columns:1fr}.letter-browser{padding:16px}.letter-grid{grid-template-columns:repeat(6,1fr)}.topic-list{display:flex;overflow-x:auto}.topic-list button{min-width:180px}.topic-list button>svg{display:none}.vocab-grid{grid-template-columns:repeat(2,1fr)}.sign-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:520px){.breadcrumb span,.breadcrumb svg{display:none}.hero h1{font-size:39px}.hero p{font-size:13px}.hero-actions .btn{flex:1}.module-grid,.vocab-grid,.companion-grid,.word-row-grid{grid-template-columns:1fr}.module-card{min-height:150px}.module-bangla{margin-top:5px}.companion-card{min-height:160px}.companion-card h3{margin-top:22px}.letter-grid{grid-template-columns:repeat(5,1fr)}.lesson-top{padding:20px 22px}.lesson-top h2{font-size:75px}.lesson-content{padding:23px 21px}.lesson-tabs{padding:0 20px}.lesson-footer{gap:10px;padding:15px 20px}.lesson-footer .link-button{font-size:10px}.sign-grid{grid-template-columns:repeat(2,1fr)}.vocab-tools .search-box{flex-basis:100%}.filter-button{flex:1;justify-content:center;padding:0 7px}.dialogue-panel{padding:22px 17px}.dialogue-line.role-b{padding-left:16px}.practice-card{padding:23px 18px}.course-glyph{min-width:80px;font-size:19px}.course-row{gap:12px;padding:13px}.course-row strong{font-size:12px}.course-row small{font-size:10px}.heading-bangla{margin-left:0;display:block}.roleplay-control{flex-direction:column;align-items:start}}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}@page{size:A4;margin:17mm}@media print{body,.app-shell{color:#111!important;background:#fff!important}.sidebar,.topbar,.audio-notice,.page-intro,.back-link,.letter-browser,.lesson-top,.lesson-tabs,.lesson-content,.lesson-footer,.sign-card>*,.word-lesson>*,.source-footnote{display:none!important}.main-wrap,main,.page,.lesson-layout,.lesson-panel,.sign-card,.word-lesson{width:100%!important;max-width:none!important;box-shadow:none!important;background:#fff!important;border:0!important;margin:0!important;padding:0!important;display:block!important}.worksheet{color:#111!important;font-family:DM Sans,sans-serif!important;display:block!important}.worksheet h1{margin:0;font-size:35pt}.worksheet>p{border-bottom:1px solid #333;padding-bottom:6mm;font-size:10pt}.worksheet h2{margin:10mm 0 4mm;font:600 16pt Fraunces,serif}.worksheet-read{justify-content:space-around;display:flex}.worksheet-read>div{text-align:center;display:grid}.worksheet-read .bangla{font-size:38pt}.worksheet-read small{font-size:10pt}.worksheet-line{border-bottom:1px solid #bbb;justify-content:space-between;align-items:end;gap:10mm;height:20mm;display:flex}.worksheet-line .bangla{color:#999;font-size:25pt}.worksheet-line>span:last-child{color:#aaa;font-size:12pt}.worksheet-match{text-align:center;gap:12mm;padding:8mm;font-size:16pt;display:grid}.worksheet-match .bangla{font-size:28pt}.worksheet footer{color:#777;border-top:1px solid #ccc;margin-top:20mm;padding-top:3mm;font-size:8pt}}.sign-base-picker{color:#728171;margin-top:20px;font-size:13px;font-weight:700}.sign-base-picker>span{margin-bottom:9px;display:block}.sign-base-grid{grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:7px;display:grid}.sign-base-picker button{color:#34563d;background:#faf8f2;border:1px solid #dfe3d9;border-radius:8px;min-width:0;min-height:46px;font-size:24px}.sign-base-picker button.active{background:#e0ecdf;border-color:#80a989}.formation-panel{border-top:1px solid #e8e6dc;margin:28px 0 22px;padding-top:24px}.formation-panel h3{margin:18px 0 6px;font:500 23px Fraunces,serif}.formation-panel p{max-width:680px}.book-note{color:#46694d;background:#edf2e9;border:1px solid #dce8d8;border-radius:9px;align-items:flex-start;gap:10px;padding:12px 14px;font-size:11px;line-height:1.5;display:flex}.book-note svg{flex:none;margin-top:2px}.book-note strong,.book-note span{display:block}.book-note span{color:#758476;margin-top:3px}.book-note a{color:#a25c43;text-decoration:underline}.formation-tabs,.sentence-tabs{flex-wrap:wrap;gap:7px;margin:17px 0;display:flex}.formation-tabs button,.sentence-tabs button{color:#46624e;background:#faf9f3;border:1px solid #e2e4d8;border-radius:8px;padding:7px 12px}.formation-tabs button{font:500 18px Noto Sans Bengali,sans-serif}.formation-tabs button.active,.sentence-tabs button.active{background:#e6efe3;border-color:#8db497}.formation-equation{background:#f4f5ec;border-radius:9px;flex-wrap:wrap;align-items:center;gap:13px;padding:17px 19px;display:flex}.formation-equation>div{gap:7px;display:flex}.formation-equation>div span{color:#315740;background:#fffdf8;border:1px solid #e1e5d9;border-radius:7px;place-items:center;min-width:46px;min-height:50px;font-size:27px;display:grid}.formation-equation>span{color:#9c7158;font-size:22px}.formation-equation>strong{color:#2d573d;font-size:33px;font-weight:500}.formation-meta{color:#8d735f;gap:15px;margin:9px 0 23px;font-size:12px;display:flex}.formation-meta strong{color:#45634b}.mini-challenge{border-top:1px solid #e7e5da;margin-top:18px;padding:23px 0}.mini-challenge h3,.mini-challenge h4{margin:8px 0 14px;font:500 20px Fraunces,serif}.mini-challenge h3 .bangla,.mini-challenge h4 .bangla{color:#a25e44;margin-left:7px;font-size:22px}.choice-row{flex-wrap:wrap;gap:8px;display:flex}.choice-row button{color:#365540;background:#faf9f3;border:1px solid #e1e4d9;border-radius:8px;min-width:66px;min-height:53px;padding:8px 15px}.choice-row button .bangla{font-size:26px}.choice-row button.correct{background:#e2f0e2;border-color:#75aa80}.choice-row button.incorrect{background:#fbe9e4;border-color:#d88d75}.lesson-extra{max-width:990px}.extended-inner{padding:29px 33px}.extended-inner>h2{margin:22px 0 8px;font-size:31px}.extended-inner>p{color:#718474;max-width:720px;font-size:13px;line-height:1.7}.extended-inner>.btn{margin-top:8px}.cluster-grid,.number-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin:23px 0;display:grid}.cluster-grid button,.number-grid button{color:#31573f;background:#faf9f3;border:1px solid #e2e4d9;border-radius:9px;flex-direction:column;justify-content:center;align-items:center;min-height:78px;display:flex}.cluster-grid button.active,.number-grid button.active{background:#e6efe3;border-color:#8db497}.cluster-grid .bangla,.number-grid .bangla{font-size:30px}.cluster-grid small,.number-grid small{color:#9f7458;font-size:10px}.cluster-detail{background:#f5f5ee;border-radius:10px;grid-template-columns:120px 1fr;align-items:center;gap:22px;padding:23px;display:grid}.cluster-symbol{text-align:center;color:#a7634b;font-size:72px}.cluster-detail strong.bangla{color:#335841;font-size:22px;font-weight:500}.cluster-word{align-items:center;gap:12px;margin-top:9px;display:flex}.cluster-word .bangla{color:#2c523b;font-size:34px}.cluster-word>span:last-child{color:#a5674e;font-size:12px}.cluster-detail p{color:#738371;margin:6px 0 0;font-size:12px;line-height:1.65}.sentence-tabs{grid-template-columns:repeat(2,1fr);display:grid}.sentence-tabs button{text-align:left}.sentence-tabs .bangla{font-size:17px}.sentence-example{background:#f5f5ed;border-radius:9px;flex-wrap:wrap;align-items:center;gap:12px;margin:18px 0 13px;padding:15px 17px;display:flex}.sentence-example>.bangla{color:#31563d;font-size:31px}.sentence-example>span:nth-last-child(2){color:#a5694f;font-size:12px}.sentence-example strong{margin-left:auto;font-size:12px}.sentence-builder{border-top:1px solid #e7e5da;margin:23px 0 15px;padding-top:22px}.sentence-builder p{color:#78877a;margin:7px 0 14px;font-size:12px}.sentence-answer{color:#30543d;border:1px dashed #a5b7a5;border-radius:8px;align-items:center;min-height:62px;padding:10px 15px;font-size:25px;display:flex}.sentence-pieces{flex-wrap:wrap;gap:8px;margin:13px 0;display:flex}.sentence-pieces button{color:#31583f;background:#edf3ea;border:1px solid #c9ddc8;border-radius:7px;min-width:65px;padding:8px 14px;font-size:19px}.sentence-actions{gap:8px;display:flex}.number-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.number-detail{background:#f4f5ec;border-radius:9px;align-items:center;gap:18px;padding:17px 22px;display:flex}.number-detail>.bangla{color:#a9644c;font-size:66px;line-height:1.1}.number-detail div{display:grid}.number-detail strong{color:#31553f;font-size:25px;font-weight:500}.number-detail small{color:#8b6b55;font-size:11px}.number-detail .audio-btn{margin-left:auto}.number-result{color:#397048;align-items:center;gap:10px;display:flex}.print-translation .bangla{font-size:17pt}html[data-theme=dark] .book-note{background:#304436;border-color:#456049}html[data-theme=dark] .formation-equation,html[data-theme=dark] .cluster-detail,html[data-theme=dark] .sentence-example,html[data-theme=dark] .number-detail{background:#2b3e30}html[data-theme=dark] .formation-tabs button,html[data-theme=dark] .sentence-tabs button,html[data-theme=dark] .choice-row button,html[data-theme=dark] .cluster-grid button,html[data-theme=dark] .number-grid button,html[data-theme=dark] .sign-base-picker button{color:#e8eadf;background:#2a3d2f;border-color:#445646}@media(max-width:760px){.cluster-grid,.number-grid{grid-template-columns:repeat(4,1fr)}.extended-inner{padding:23px 20px}}@media(max-width:520px){.cluster-grid,.number-grid{grid-template-columns:repeat(3,1fr)}.cluster-detail{grid-template-columns:80px 1fr;gap:10px;padding:14px}.cluster-symbol{font-size:55px}.sentence-tabs{grid-template-columns:1fr}.sentence-example strong{margin-left:0}.sign-base-picker{flex-wrap:wrap}}@media print{.lesson-extra{background:#fff!important;border:0!important;width:100%!important;max-width:none!important;display:block!important}.lesson-extra>.extended-inner{display:none!important}.lesson-extra>.worksheet{display:block!important}.print-translation p{min-height:13mm;font-size:12pt}}.combination-section{border-top:1px solid #e5e7dc;margin:32px 0 25px;padding-top:27px}.combination-heading{justify-content:space-between;align-items:end;gap:18px;display:flex}.combination-heading h3,.mark-heading h3,.calendar-section-title h3,.calendar-quiz h3{margin:7px 0;font:500 25px Fraunces,serif}.combination-heading p{max-width:660px}.chart-filter{color:#647865;flex:none;gap:5px;font-size:11px;font-weight:700;display:grid}.chart-filter select{color:#35583e;background:#faf9f3;border:1px solid #dce3d9;border-radius:8px;max-width:195px;padding:9px 11px}.chart-scroll{border:1px solid #dfe4d9;border-radius:10px;max-width:100%;margin-top:18px;overflow:auto}.combination-table{border-collapse:separate;border-spacing:0;width:max-content;min-width:100%}.combination-table th,.combination-table td{text-align:center;border-bottom:1px solid #e8e9de;border-right:1px solid #e8e9de;padding:0}.combination-table thead th{color:#3d6249;background:#e9f0e6;min-width:80px;padding:9px 6px}.combination-table th:first-child{z-index:1;background:#f6f6ef;min-width:80px;position:sticky;left:0}.combination-table thead th:first-child{z-index:2;background:#e9f0e6;font-size:10px}.combination-table th .bangla{font-size:22px;font-weight:500;display:block}.combination-table th small{color:#819282;font-size:10px;font-weight:400;display:block}.chart-cell{color:#345b42;cursor:pointer;background:#fffdf8;border:0;align-content:center;justify-items:center;width:100%;min-width:80px;min-height:68px;display:grid}.chart-cell:hover,.chart-cell.active{background:#e0eddf}.chart-cell .bangla{font-size:25px;line-height:1.25}.chart-cell small{color:#97725b;font-size:10px}.chart-selected{background:#f1f4eb;border-radius:9px;flex-wrap:wrap;align-items:center;gap:15px;margin-top:10px;padding:15px 18px;display:flex}.chart-selected .bangla{color:#31583e;font-size:27px}.chart-selected strong{color:#a5684e;font-size:15px}.chart-selected .audio-btn{margin-left:auto}.mark-heading{margin-top:27px}.mark-grid{grid-template-columns:repeat(3,1fr);gap:9px;margin-top:15px;display:grid}.mark-card{background:#faf9f4;border:1px solid #e4e6dc;border-radius:9px;padding:14px}.mark-symbol{color:#a4634b;font-size:35px}.mark-card strong{color:#335941;font-size:19px}.mark-card p{min-height:44px}.mark-example{border-top:1px solid #e4e6dc;align-items:center;gap:8px;padding-top:10px;display:flex}.mark-example .bangla{font-size:23px}.mark-example small{color:#a16a4f}.mark-example .audio-btn{margin-left:auto}.calendar-lesson .extended-inner>h2{margin-top:8px}.calendar-section{border-top:1px solid #e6e8dc;margin-top:30px;padding-top:24px}.calendar-section-title .bangla{color:#a6634b;font-size:30px}.calendar-section-title h3{margin:0}.calendar-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:16px;display:grid}.calendar-item{background:#faf9f4;border:1px solid #e3e7dc;border-radius:9px;align-items:center;gap:10px;min-height:66px;padding:9px 12px;display:flex}.calendar-index{color:#a7755d;min-width:20px;font-size:11px}.calendar-item>div{min-width:0;display:grid}.calendar-item strong{color:#315840;font-size:23px;font-weight:500}.calendar-item small,.season-roman{color:#98715b;font-size:10px}.calendar-translation{color:#566e59;text-align:right;margin-left:auto;font-size:11px}.calendar-item .audio-btn{flex:none}.season-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:17px;display:grid}.season-card{background:#f5f7ef;border:1px solid #dfe7d9;border-radius:10px;justify-items:start;gap:5px;padding:16px;display:grid}.season-number{color:#a5735b;font-size:12px}.season-card>strong{color:#315a40;font-size:32px;font-weight:500}.season-months{color:#49634d;border-top:1px solid #dce5d8;width:100%;margin-top:7px;padding-top:10px;font-size:18px}.calendar-quiz{border-top:1px solid #e6e8dc;margin-top:29px;padding-top:25px}.calendar-prompt{background:#f2f4ec;border-radius:9px;align-items:center;gap:16px;margin:16px 0 11px;padding:15px 17px;display:flex}.calendar-prompt small{color:#a06e53}.calendar-prompt .bangla{color:#31583e;font-size:27px}.calendar-options{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.calendar-options button{color:#315840;background:#faf9f3;border:1px solid #dfe5d9;border-radius:8px;justify-items:start;min-width:125px;padding:10px 14px;display:grid}.calendar-options button .bangla{font-size:22px}.calendar-options button small{color:#97745f}.calendar-options button.correct{background:#e2f0e2;border-color:#75aa80}.calendar-options button.incorrect{background:#fbe9e4;border-color:#d88d75}.calendar-result{color:#397048;align-items:center;gap:10px;margin-top:17px;display:flex}.calendar-result .btn,.calendar-print{margin-left:auto}.calendar-print{margin-top:23px}html[data-theme=dark] .chart-cell,html[data-theme=dark] .mark-card,html[data-theme=dark] .calendar-item,html[data-theme=dark] .calendar-options button,html[data-theme=dark] .season-card{color:#e8eadf;background:#2a3d2f;border-color:#445646}html[data-theme=dark] .combination-table th:first-child,html[data-theme=dark] .combination-table thead th,html[data-theme=dark] .chart-selected,html[data-theme=dark] .calendar-prompt{background:#304436}html[data-theme=dark] .chart-cell:hover,html[data-theme=dark] .chart-cell.active{background:#3b5940}@media(max-width:760px){.combination-heading{flex-direction:column;align-items:start}.season-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.mark-grid,.calendar-grid,.season-grid{grid-template-columns:1fr}.calendar-item{gap:7px}}@media print{.sign-card>.worksheet{display:block!important}.calendar-print-grid{grid-template-columns:repeat(2,1fr);gap:4mm 9mm;font-size:10pt;display:grid}.calendar-print-grid .bangla{font-size:16pt}.calendar-print-grid small{color:#555;font-size:8pt}}@media screen{.module-card{min-height:218px;padding-bottom:39px}.word-row,.sentence-example{flex-wrap:wrap}.modal{max-height:calc(100vh - 40px);overflow-y:auto}.page-intro p,.hero p,.lesson-content p,.sign-card>p,.word-lesson>p,.extended-inner>p,.combination-heading p,.mark-heading p,.mark-card p,.calendar-section>p,.cluster-detail p,.sentence-builder p,.modal p{font-size:16px;line-height:1.65}.module-detail,.course-row small,.companion-card p,.tip-box,.note-box,.book-note,.translation strong,.translation small,.vocab-example small,.line-translation,.word-row strong,.sentence-example strong{font-size:15px;line-height:1.5}.roman,.line-roman,.letter-pronunciation,.sign-item>span:nth-child(2),.word-row>span:nth-child(2),.formation-meta>span:first-child,.cluster-word>span:last-child,.sentence-example>span:nth-last-child(2),.number-detail small,.calendar-item small,.season-roman,.mark-example small,.chart-selected strong{font-size:17px;font-weight:700;line-height:1.45}.chart-cell,.combination-table thead th{min-width:96px}.chart-cell small,.combination-table th small,.letter-tile small,.sign-item small{font-size:14px;line-height:1.4}.calendar-translation{font-size:14px}.module-card strong,.course-row strong{font-size:17px}.audio-notice{font-size:14px;line-height:1.5}.audio-notice button{color:inherit;background:0 0;border:1px solid;border-radius:7px;flex:none;margin-left:auto;padding:7px 11px;font-weight:700}.voice-help{background:#f4f7ef;border:1px solid #d9e3d4;border-radius:9px;margin-top:20px;padding:18px}.voice-help>strong{font-size:18px}.voice-help p,.voice-help li{font-size:14px;line-height:1.55}.voice-help p{margin:8px 0 12px}.voice-help ol{margin:15px 0;padding-left:22px}.voice-help li+li{margin-top:8px}.voice-help a{color:#2f6748;font-size:14px;font-weight:700;text-decoration:underline}}html[data-theme=dark]{color-scheme:dark}html[data-theme=dark] .app-shell{color:#edf5ee;background:#111b18}html[data-theme=dark] .sidebar,html[data-theme=dark] .topbar{background:#192822;border-color:#3b5647}html[data-theme=dark] .card,html[data-theme=dark] .module-card,html[data-theme=dark] .course-row,html[data-theme=dark] .letter-browser,html[data-theme=dark] .search-box,html[data-theme=dark] .filter-button,html[data-theme=dark] .topic-list button.active,html[data-theme=dark] .modal{color:#edf5ee;background:#20332b;border-color:#46604f}html[data-theme=dark] .letter-tile,html[data-theme=dark] .answer-option,html[data-theme=dark] .sign-item,html[data-theme=dark] .word-row,html[data-theme=dark] .example-card,html[data-theme=dark] .speech-bubble,html[data-theme=dark] .practice-options button,html[data-theme=dark] .mark-card,html[data-theme=dark] .calendar-item,html[data-theme=dark] .calendar-options button,html[data-theme=dark] .season-card,html[data-theme=dark] .chart-cell{color:#edf5ee;background:#293d34;border-color:#4b6654}html[data-theme=dark] .role-b .speech-bubble,html[data-theme=dark] .lesson-top,html[data-theme=dark] .tip-box,html[data-theme=dark] .note-box,html[data-theme=dark] .book-note,html[data-theme=dark] .formation-equation,html[data-theme=dark] .cluster-detail,html[data-theme=dark] .sentence-example,html[data-theme=dark] .number-detail,html[data-theme=dark] .chart-selected,html[data-theme=dark] .calendar-prompt{color:#edf5ee;background:#30483a}html[data-theme=dark] .chart-cell:hover,html[data-theme=dark] .chart-cell.active,html[data-theme=dark] .letter-tile:hover,html[data-theme=dark] .letter-tile.selected{background:#3b5a46}html[data-theme=dark] .formation-equation>div span{background:#20332b;border-color:#4b6654}html[data-theme=dark] .brand,html[data-theme=dark] .nav-item,html[data-theme=dark] .settings-link,html[data-theme=dark] .breadcrumb strong,html[data-theme=dark] .module-bangla,html[data-theme=dark] .course-glyph,html[data-theme=dark] .lesson-content h3,html[data-theme=dark] .extended-inner h2,html[data-theme=dark] .extended-inner h3,html[data-theme=dark] .calendar-item strong,html[data-theme=dark] .season-card>strong,html[data-theme=dark] .season-months,html[data-theme=dark] .mark-card strong,html[data-theme=dark] .chart-cell .bangla,html[data-theme=dark] .chart-selected .bangla,html[data-theme=dark] .vocab-word .bangla,html[data-theme=dark] .speech-main .bangla,html[data-theme=dark] .letter-pronunciation,html[data-theme=dark] .number-detail strong,html[data-theme=dark] .sign-item>.bangla,html[data-theme=dark] .word-row .bangla,html[data-theme=dark] .example-word,html[data-theme=dark] .formation-equation>strong,html[data-theme=dark] .formation-equation>div span,html[data-theme=dark] .cluster-detail strong.bangla,html[data-theme=dark] .cluster-word .bangla,html[data-theme=dark] .sentence-example>.bangla,html[data-theme=dark] .calendar-prompt .bangla{color:#eff9ee}html[data-theme=dark] .page-intro p,html[data-theme=dark] .hero p,html[data-theme=dark] .lesson-content p,html[data-theme=dark] .sign-card>p,html[data-theme=dark] .word-lesson>p,html[data-theme=dark] .extended-inner>p,html[data-theme=dark] .combination-heading p,html[data-theme=dark] .mark-heading p,html[data-theme=dark] .mark-card p,html[data-theme=dark] .calendar-section>p,html[data-theme=dark] .cluster-detail p,html[data-theme=dark] .sentence-builder p,html[data-theme=dark] .modal p,html[data-theme=dark] .module-detail,html[data-theme=dark] .course-row small,html[data-theme=dark] .translation small,html[data-theme=dark] .vocab-example small,html[data-theme=dark] .line-translation,html[data-theme=dark] .calendar-translation,html[data-theme=dark] .topic-list small,html[data-theme=dark] .book-note span,html[data-theme=dark] .mini-progress-top{color:#c6d8c9}html[data-theme=dark] .roman,html[data-theme=dark] .line-roman,html[data-theme=dark] .chart-cell small,html[data-theme=dark] .chart-selected strong,html[data-theme=dark] .calendar-item small,html[data-theme=dark] .season-roman,html[data-theme=dark] .number-detail small,html[data-theme=dark] .mark-example small{color:#f1be96}html[data-theme=dark] .eyebrow,html[data-theme=dark] .module-no,html[data-theme=dark] .category-tag,html[data-theme=dark] .course-number{color:#efb88c}html[data-theme=dark] .audio-btn,html[data-theme=dark] .icon-button,html[data-theme=dark] .language-switch button.selected,html[data-theme=dark] .modal select,html[data-theme=dark] .chart-filter select,html[data-theme=dark] .voice-help{color:#f3f8f1;background:#30483a;border-color:#54715a}html[data-theme=dark] .language-switch,html[data-theme=dark] .mini-progress,html[data-theme=dark] .combination-table thead th,html[data-theme=dark] .combination-table th:first-child{color:#edf5ee;background:#293e33}html[data-theme=dark] .category-strip button,html[data-theme=dark] .dialogue-controls button,html[data-theme=dark] .practice-switch button,html[data-theme=dark] .formation-tabs button,html[data-theme=dark] .sentence-tabs button,html[data-theme=dark] .choice-row button,html[data-theme=dark] .cluster-grid button,html[data-theme=dark] .number-grid button,html[data-theme=dark] .sign-base-picker button{color:#edf5ee;background:#293d34;border-color:#4b6654}html[data-theme=dark] .category-strip button.active,html[data-theme=dark] .dialogue-controls button.active,html[data-theme=dark] .practice-switch button.active,html[data-theme=dark] .formation-tabs button.active,html[data-theme=dark] .sentence-tabs button.active{color:#fff;background:#41684d;border-color:#9bc5a0}html[data-theme=dark] .audio-notice{color:#ffdfb8;background:#4a3828;border-color:#8e6946}html[data-theme=dark] .voice-help a,html[data-theme=dark] .link-button{color:#a6dbad}@media(max-width:520px){.audio-notice{flex-wrap:wrap}.audio-notice button{margin-left:27px}}.sidebar-close,.menu-backdrop{display:none}.load-more{min-height:46px;margin:25px auto 0;display:flex}.mobile-category-select{display:none}.number-range-tabs{flex-wrap:wrap;gap:8px;margin-top:19px;display:flex}.number-range-tabs button{color:#365a42;background:#f9faf4;border:1px solid #d8e2d6;border-radius:8px;min-width:95px;min-height:44px;padding:7px 15px;font-size:19px}.number-range-tabs button.active{color:#234a35;background:#e1eddf;border-color:#6d9f7a}html[data-theme=dark] .number-range-tabs button{color:#edf5ee;background:#293d34;border-color:#4b6654}html[data-theme=dark] .number-range-tabs button.active{background:#41684d;border-color:#9bc5a0}html[data-theme=dark] .menu-backdrop{background:#07110bba}@media(max-width:760px){.vocab-card .favorite-btn,.vocab-card .audio-btn{place-items:center;width:44px;height:44px;display:grid}.mobile-category-select{color:#617762;gap:7px;margin-top:17px;font-size:14px;font-weight:700;display:grid}.mobile-category-select select{color:#2e503a;background:#fffdf8;border:1px solid #cddbcc;border-radius:8px;width:100%;min-height:46px;padding:8px 12px;font-size:16px}.category-strip{display:none}.sidebar{visibility:hidden;overscroll-behavior:contain;max-height:100dvh;overflow-y:auto}.sidebar.open{visibility:visible}.sidebar-close{display:grid;position:absolute;top:20px;right:14px}.sidebar .brand{padding-right:43px}.menu-backdrop{z-index:9;touch-action:none;background:#0f1b16a6;border:0;border-radius:0;display:block;position:fixed;top:0;right:0;bottom:0;left:0}.nav-item,.settings-link,.category-strip button,.dialogue-controls button,.practice-switch button{min-height:44px}.category-strip,.dialogue-controls,.practice-switch{overscroll-behavior-inline:contain;scroll-snap-type:x proximity;overflow-x:auto}.category-strip button,.dialogue-controls button,.practice-switch button{scroll-snap-align:start}.search-box{min-width:0}.number-detail{flex-wrap:wrap}}html[data-theme=dark] .mobile-category-select{color:#c6d8c9}html[data-theme=dark] .mobile-category-select select{color:#eff9ee;background:#293d34;border-color:#54715a}@media(max-width:520px){.breadcrumb{display:none}.top-actions{gap:8px;margin-left:auto}.language-switch button{padding:7px 8px;font-size:11px}.hero{min-height:0}.hero-art{display:none}.hero-copy{padding:28px 22px}.hero h1{font-size:clamp(31px,9vw,39px)}.module-card{min-height:0;padding:18px 18px 43px}.module-card strong{font-size:17px}.module-detail{font-size:14px}.course-row{grid-template-columns:34px minmax(0,1fr) 20px;gap:2px 12px;display:grid}.course-number{grid-row:1/3}.course-glyph{grid-column:2;min-width:0}.course-row>span:nth-child(3){grid-column:2}.course-row>svg{grid-area:1/3/3}.course-row strong{font-size:16px}.course-row small{font-size:13px}.audio-notice .audio-dismiss{margin-left:0}.number-range-tabs button{flex:1;min-width:80px}}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
