@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap";:root{font-family:Inter,Noto Sans SC,Microsoft YaHei,sans-serif;color:#11243e;background:#f7f9fc;font-synthesis:none;--navy-950: #061b34;--navy-900: #082342;--navy-800: #0c315b;--blue-600: #1677ff;--blue-500: #2792ff;--blue-100: #e8f3ff;--orange-500: #ff745b;--ink: #10233e;--muted: #65758b;--line: #e3e9f1;--surface: #ffffff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:#f7f9fc;-webkit-font-smoothing:antialiased}button{font:inherit}button:focus-visible{outline:3px solid rgba(39,146,255,.3);outline-offset:2px}.app-shell{min-height:100vh;display:grid;grid-template-columns:196px minmax(0,1fr)}.sidebar{position:sticky;inset-block-start:0;height:100vh;z-index:10;color:#d8e7f8;background:#061f3b;border-right:1px solid rgba(255,255,255,.07);padding:24px 14px}.brand-block{padding:0 10px 34px}.brand-logo{display:block;width:132px;height:46px;object-fit:cover;object-position:center;mix-blend-mode:screen}.brand-block span{display:block;margin-top:8px;font-size:12px;font-weight:500;letter-spacing:.02em;color:#b8cee6}.nav-list{display:grid;gap:7px}.nav-item{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;min-height:47px;display:flex;align-items:center;gap:13px;padding:0 15px;border:0;border-radius:10px;color:#c4d4e7;background:transparent;cursor:pointer;text-align:left;font-size:14px;font-weight:500;transition:background .18s ease,color .18s ease,transform .18s ease}.nav-item:hover{background:#ffffff0f;color:#fff;transform:translate(2px)}.nav-item.is-active{color:#fff;background:#0d5fae;box-shadow:inset 3px 0 #35bbff,0 10px 22px #004f9e33}.main-area{min-width:0}.topbar{min-height:118px;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:18px 32px;background:#fffffff2;border-bottom:1px solid var(--line)}.eyebrow,.section-label{margin:0 0 6px;color:var(--blue-600);font-size:10px;line-height:1.2;font-weight:700;letter-spacing:.13em}.topbar h1{margin:0;font-size:clamp(22px,2vw,29px);line-height:1.25;letter-spacing:-.02em;word-break:keep-all}.subtitle{margin:8px 0 0;color:#7b899b;font-size:13px}.topbar-actions{display:flex;align-items:center;gap:14px;white-space:nowrap}.streak,.day-count{display:flex;align-items:center;gap:6px;color:#5f7085;font-size:13px}.streak svg{color:var(--orange-500)}.streak strong,.day-count strong{color:var(--ink)}.topbar-divider{width:4px;height:4px;border-radius:50%;background:#d8dee8}.primary-button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;padding:0 20px;background:var(--blue-600);color:#fff;box-shadow:0 8px 20px #1677ff33;font-weight:600;cursor:pointer;transition:transform .18s ease,background .18s ease}.primary-button:hover{transform:translateY(-1px);background:#0f68df}.primary-button.is-success{background:#19a974}.workspace-grid{display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:16px;max-width:1420px;margin:0 auto;padding:0 32px 44px}.lesson-column{min-width:0;display:grid;gap:16px;align-content:start}.lesson-hero{min-height:222px;position:relative;overflow:hidden;display:flex;align-items:stretch;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 1px #10233e05}.lesson-hero__copy{position:relative;z-index:2;width:62%;padding:30px 28px;background:#ffffffeb}.lesson-title-row{display:flex;align-items:baseline;gap:9px}.lesson-title-row span,.lesson-title-row h2{margin:0;color:var(--ink);font-size:25px;line-height:1.25;font-style:normal;font-weight:700;letter-spacing:-.02em}.lesson-title-row i{color:#8794a5;font-style:normal;font-weight:700}.lesson-hero p{max-width:500px;margin:11px 0 22px;color:var(--muted);line-height:1.75;font-size:14px}.lesson-illustration{position:absolute;right:0;top:0;width:49%;height:100%;object-fit:cover;object-position:right center}.hero-progress{display:flex;align-items:center;gap:12px;max-width:320px;color:#718198;font-size:12px}.hero-progress__track{flex:1;height:5px;overflow:hidden;border-radius:99px;background:#e9edf3}.hero-progress__track i{display:block;height:100%;border-radius:inherit;background:var(--blue-600);transition:width .25s ease}.vocabulary-panel,.overview-card{border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 10px 28px #15304f09}.vocabulary-panel{padding:18px}.panel-heading,.overview-card__header{display:flex;align-items:center;justify-content:space-between;gap:18px}.panel-heading{padding:0 2px 14px}.panel-heading h3,.overview-card h3{margin:0;font-size:17px}.panel-heading h3 span{margin-left:5px;color:#8996a6;font-size:12px;font-weight:500}.quiet-action{display:inline-flex;align-items:center;gap:6px;border:0;background:none;color:#7b8a9d;font-size:12px;cursor:pointer}.quiet-action:hover{color:var(--blue-600)}.word-list{display:grid;gap:10px}.word-row{position:relative;min-height:118px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 16px 18px 20px;border:1px solid var(--line);border-radius:10px;transition:background .18s ease}.word-row:before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--blue-500)}.word-row:hover{background:#fbfdff}.word-row.is-learned{background:#f7fcfa}.word-row.is-learned:before{background:#24b786}.word-copy{min-width:0}.term-line{display:flex;align-items:center;gap:7px}.term-line h4{margin:0;font-size:17px;line-height:1.35;letter-spacing:-.01em}.translation{margin:4px 0 8px;color:#223651;font-size:14px}.example{margin:0;color:#63738a;font-size:12px;line-height:1.5}.example span{margin-right:10px;color:var(--blue-600);font-weight:600}.word-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.icon-button,.icon-button--small,.audio-button,.favorite-button{display:inline-grid;place-items:center;padding:0;border:0;border-radius:50%;background:transparent;color:#9bacbf;cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease}.icon-button{width:36px;height:36px}.icon-button--small{width:28px;height:28px;color:var(--blue-500);background:var(--blue-100)}.audio-button{width:40px;height:40px;color:var(--blue-600);background:var(--blue-100)}.favorite-button{width:34px;height:34px}.favorite-button:hover,.favorite-button.is-active{color:#f5b619;background:#fff7db;transform:scale(1.05)}.audio-button:hover{background:#d9ebff;transform:scale(1.04)}.learn-button{min-width:88px;height:38px;display:inline-flex;align-items:center;justify-content:center;gap:5px;border:1px solid #ccd7e4;border-radius:8px;background:#fff;color:#687a91;font-size:12px;font-weight:600;cursor:pointer}.learn-button:hover{border-color:var(--blue-500);color:var(--blue-600)}.learn-button.is-active{border-color:#bfe9da;color:#10865f;background:#eefaf6}.related-link{width:100%;min-height:54px;display:flex;align-items:center;gap:10px;margin-top:14px;padding:0 16px;border:1px solid var(--line);border-radius:9px;background:#fbfcfe;color:var(--ink);cursor:pointer}.related-link svg{color:var(--blue-600)}.related-link span{color:#6b7b90;font-size:12px}.related-link svg:last-child{margin-left:auto;color:#91a0b2}.overview-column{display:grid;gap:16px;align-content:start}.overview-card{padding:20px}.overview-card__header{margin-bottom:16px}.progress-summary{display:grid;grid-template-columns:126px 1fr;align-items:center;gap:18px}.progress-ring{--progress: 0deg;width:118px;aspect-ratio:1;display:grid;place-items:center;border-radius:50%;border:12px solid #eef1f5;background:#fff}.progress-ring__inner{width:82px;aspect-ratio:1;display:grid;place-content:center;text-align:center;border-radius:50%;background:#fff}.progress-ring__inner strong{font-size:19px}.progress-ring__inner span{margin-top:3px;color:#8a97a8;font-size:10px}.progress-summary dl{margin:0;display:grid;gap:18px}.progress-summary dl div{display:grid;gap:4px}.progress-summary dt{color:#718096;font-size:12px}.progress-summary dd{margin:0;color:var(--ink);font-weight:700}.timeline{position:relative;display:grid}.timeline:before{content:"";position:absolute;top:18px;bottom:18px;left:13px;width:1px;background:#dce3ec}.timeline-item{-webkit-appearance:none;-moz-appearance:none;appearance:none;position:relative;z-index:1;width:100%;display:grid;grid-template-columns:28px minmax(0,1fr);gap:11px;padding:7px 8px 7px 0;border:1px solid transparent;border-radius:9px;background:transparent;color:inherit;text-align:left;cursor:pointer}.timeline-item:hover{background:#f7faff}.timeline-item.is-active{padding-left:0;border-color:#62a6ff;background:#f3f8ff;box-shadow:0 4px 12px #1677ff14}.timeline-dot{width:26px;height:26px;display:grid;place-items:center;border:1px solid #d7dee8;border-radius:50%;background:#fff;color:#6f7f93;font-size:10px;font-weight:600}.timeline-item.is-active .timeline-dot{border-color:var(--blue-600);background:var(--blue-600);color:#fff}.timeline-copy{min-width:0;display:grid;gap:3px;padding-top:3px}.timeline-copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.timeline-copy small{overflow:hidden;color:#77879a;font-size:10px;line-height:1.4;text-overflow:ellipsis;white-space:nowrap}.expand-button{width:100%;min-height:38px;display:flex;align-items:center;justify-content:center;gap:6px;margin-top:10px;border:0;background:transparent;color:var(--blue-600);font-size:12px;font-weight:600;cursor:pointer}.expand-button svg{transition:transform .2s ease}.expand-button svg.is-rotated{transform:rotate(180deg)}.toast{position:fixed;z-index:50;left:50%;bottom:24px;display:flex;align-items:center;gap:8px;padding:11px 16px;border-radius:10px;background:#0c2948;color:#fff;box-shadow:0 12px 30px #0823423b;opacity:0;pointer-events:none;transform:translate(-50%,12px);transition:opacity .2s ease,transform .2s ease;font-size:13px}.toast.is-visible{opacity:1;transform:translate(-50%)}.toast svg{color:#5ee2b2}@media(max-width:1120px){.workspace-grid{grid-template-columns:minmax(0,1fr) 305px}.topbar{align-items:flex-start}.topbar-actions{display:grid;grid-template-columns:auto auto}.topbar-divider{display:none}.primary-button{grid-column:1 / -1}.lesson-hero__copy{width:70%}.word-row{align-items:flex-start;flex-direction:column;gap:14px}.word-actions{width:100%;justify-content:flex-end}}@media(max-width:900px){.app-shell{display:block}.sidebar{position:relative;width:100%;height:auto;padding:14px 18px}.brand-block{display:flex;align-items:center;gap:12px;padding:0 0 12px}.brand-logo{width:104px;height:36px}.brand-block span{margin:0}.nav-list{display:flex;gap:7px;overflow-x:auto;padding-bottom:3px;scrollbar-width:none}.nav-list::-webkit-scrollbar{display:none}.nav-item{flex:0 0 auto;width:auto;min-height:40px;padding:0 12px}.nav-item:hover{transform:none}.topbar{min-height:0}.workspace-grid{grid-template-columns:1fr}.overview-column{grid-template-columns:1fr 1fr}}@media(max-width:640px){.topbar{display:grid;padding:20px 18px}.topbar-actions{display:flex;flex-wrap:wrap}.primary-button{margin-left:auto}.workspace-grid{padding:16px 14px 30px}.lesson-hero{min-height:250px}.lesson-hero__copy{width:100%;padding:24px 20px;background:#ffffffd1}.lesson-illustration{width:64%;opacity:.35}.vocabulary-panel,.overview-card{border-radius:12px}.panel-heading{align-items:flex-start}.quiet-action{max-width:110px}.word-row{padding-inline:14px 8px}.word-row:before{left:-2px}.word-actions{justify-content:flex-start}.learn-button{margin-left:auto}.overview-column{grid-template-columns:1fr}.related-link span{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}.nav-item b{min-width:20px;height:20px;display:grid;place-items:center;margin-left:auto;border-radius:10px;background:#ffffff24;color:#fff;font-size:10px}.main-area--module{background:#f5f8fc}.module-content{width:min(1280px,calc(100% - 64px));margin:0 auto;padding:24px 0 56px}.module-hero{min-height:164px;display:flex;align-items:center;justify-content:space-between;gap:28px;overflow:hidden;position:relative;padding:30px 34px;border:1px solid #dfe8f3;border-radius:18px;color:#fff;background:radial-gradient(circle at 78% 15%,rgba(73,175,255,.34),transparent 28%),linear-gradient(120deg,#071e39,#0b3867 66%,#0c5fa8);box-shadow:0 18px 40px #0a284b1f}.module-hero:after{content:"";position:absolute;right:16%;bottom:-88px;width:260px;height:180px;border:1px solid rgba(255,255,255,.12);border-radius:50%;transform:rotate(-18deg)}.module-hero>div{position:relative;z-index:1}.module-hero .section-label{color:#73c6ff}.module-hero h2{margin:0;font-size:clamp(26px,3vw,38px);letter-spacing:-.04em}.module-hero p:not(.section-label){max-width:660px;margin:12px 0 0;color:#c7dbef;font-size:14px;line-height:1.7}.module-hero__mark{min-width:138px;display:flex;align-items:center;gap:12px;padding:16px 18px;border:1px solid rgba(255,255,255,.15);border-radius:14px;background:#ffffff12;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.module-hero__mark svg{color:#61c7ff}.module-hero__mark span{color:#e9f5ff;font-size:11px;line-height:1.45;letter-spacing:.12em;font-weight:700}.tool-panel{display:flex;align-items:stretch;gap:12px;margin-top:18px}.search-box{min-height:52px;flex:1;display:flex;align-items:center;gap:10px;padding:0 16px;border:1px solid #dfe7f0;border-radius:12px;background:#fff;color:#789;box-shadow:0 6px 18px #0e2f520a}.search-box:focus-within{border-color:#73b4ff;box-shadow:0 0 0 3px #2792ff1a}.search-box input{width:100%;border:0;outline:0;color:var(--ink);background:transparent;font:inherit}.search-box button{display:grid;place-items:center;border:0;background:none;color:#8795a6;cursor:pointer}.result-count{min-width:126px;display:flex;align-items:baseline;justify-content:center;gap:6px;padding:13px 16px;border:1px solid #dfe7f0;border-radius:12px;background:#fff}.result-count strong{color:var(--blue-600);font-size:24px}.result-count span{color:#748499;font-size:11px}.filter-row{display:flex;gap:8px;overflow-x:auto;padding:16px 2px 10px;scrollbar-width:none}.filter-row::-webkit-scrollbar{display:none}.filter-row button{flex:0 0 auto;min-height:34px;padding:0 13px;border:1px solid #dce5ee;border-radius:18px;background:#fff;color:#617186;font-size:12px;cursor:pointer}.filter-row button:hover,.filter-row button.is-active{border-color:#6fb0ff;background:#edf6ff;color:#0c66ce}.knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:6px}.knowledge-card{min-width:0;display:flex;flex-direction:column;padding:19px;border:1px solid #e0e7f0;border-radius:14px;background:#fff;box-shadow:0 7px 22px #0e2f520a;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.knowledge-card:hover{transform:translateY(-2px);border-color:#bcd9fa;box-shadow:0 12px 28px #0e4b8514}.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}.card-meta span,.category-tag{color:#1475e4;font-size:10px;font-weight:700;letter-spacing:.05em}.card-meta small{overflow:hidden;color:#8897a9;font-size:10px;white-space:nowrap;text-overflow:ellipsis}.term-heading{display:flex;align-items:center;gap:9px;margin-top:13px}.term-heading h3{min-width:0;margin:0;font-size:18px;line-height:1.32}.term-heading button,.manglish-card header button{width:30px;height:30px;flex:0 0 auto;display:grid;place-items:center;border:0;border-radius:50%;background:#eaf4ff;color:var(--blue-600);cursor:pointer}.meaning-line{margin:7px 0 16px;color:#5f7085;font-size:13px}.customer-quote{flex:1;padding:11px 12px;border-left:2px solid #61a9ff;border-radius:0 8px 8px 0;background:#f6f9fd}.customer-quote span{color:#2080ed;font-size:9px;font-weight:700}.customer-quote p{margin:5px 0 0;color:#334960;font-size:12px;line-height:1.55}.compact-actions{display:flex;align-items:center;justify-content:flex-end;gap:7px;margin-top:14px}.round-action{width:34px;height:34px;display:grid;place-items:center;border:1px solid #dbe5ef;border-radius:9px;background:#fff;color:#8292a5;cursor:pointer}.round-action:hover,.round-action.is-active{border-color:#89bfff;color:var(--blue-600);background:#eff7ff}.mini-learn-button{min-height:34px;display:flex;align-items:center;gap:5px;padding:0 11px;border:1px solid #cddae7;border-radius:9px;background:#fff;color:#5d6e82;font-size:11px;font-weight:600;cursor:pointer}.mini-learn-button.is-active{border-color:#55c598;color:#11865d;background:#edfbf5}.module-tip,.trust-banner,.saved-summary{display:flex;align-items:center;gap:12px;margin:18px 0;padding:14px 17px;border:1px solid #cfe5ff;border-radius:12px;background:#edf6ff;color:#24517d}.module-tip p,.trust-banner p{margin:0;font-size:12px;line-height:1.6}.module-tip svg,.trust-banner svg{flex:0 0 auto;color:var(--blue-600)}.module-tip--warning{border-color:#f4dfaa;background:#fff9ea;color:#6b5723}.module-tip--warning svg{color:#e9a52b}.phrase-list{display:grid;gap:11px}.phrase-card{display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:18px;align-items:center;padding:18px 20px;border:1px solid #e0e8f1;border-radius:14px;background:#fff}.phrase-number{color:#b2c2d3;font-size:20px;font-weight:700;letter-spacing:-.04em}.phrase-copy{min-width:0}.phrase-copy h3{margin:7px 0 4px;font-size:19px}.phrase-meaning{margin:0;color:#65768a;font-size:12px}.phrase-copy blockquote{margin:12px 0 0;color:#38516c;font-size:12px;line-height:1.55}.phrase-copy blockquote span{margin-right:9px;padding:3px 6px;border-radius:4px;background:#eef5fc;color:#2080ed;font-size:9px;font-weight:700}.manglish-grid,.principle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.manglish-card,.principle-card{padding:20px;border:1px solid #e1e8f0;border-radius:15px;background:#fff;box-shadow:0 7px 22px #0e2f520a}.manglish-card header{display:flex;align-items:center;justify-content:space-between}.manglish-card header span{color:#1c82ed;font-size:9px;font-weight:700;letter-spacing:.13em}.manglish-card h3{margin:12px 0 3px;font-size:21px}.large-meaning{margin:0 0 16px;color:#697a8f;font-size:13px}.manglish-card dl{display:grid;gap:1px;margin:0;overflow:hidden;border-radius:9px;background:#e9eef4}.manglish-card dl div{padding:10px 11px;background:#f7f9fc}.manglish-card dt{margin-bottom:4px;color:#8695a7;font-size:9px;font-weight:700}.manglish-card dd{margin:0;color:#3e5268;font-size:11px;line-height:1.55}.manglish-card .risk-row{background:#fff8ed}.manglish-card .risk-row dt{color:#c98220}.trust-banner{color:#235c4c;border-color:#bfe9d9;background:#edf9f4}.trust-banner svg{color:#20a879}.trust-banner strong,.saved-summary strong{display:block;margin-bottom:3px;font-size:13px}.faq-list{display:grid;gap:10px}.faq-card{overflow:hidden;border:1px solid #dee7f0;border-radius:13px;background:#fff}.faq-card.is-open{border-color:#9bc9ff;box-shadow:0 10px 24px #185e9f12}.faq-question{width:100%;display:grid;grid-template-columns:36px minmax(0,1fr) 24px;align-items:center;gap:12px;padding:17px 19px;border:0;background:#fff;color:var(--ink);text-align:left;cursor:pointer}.faq-question>span{color:#a1b0c0;font-size:12px;font-weight:700}.faq-question strong{font-size:15px}.faq-question svg{color:#74869a;transition:transform .2s ease}.faq-card.is-open .faq-question svg{transform:rotate(180deg);color:var(--blue-600)}.faq-answer{padding:0 19px 19px 67px}.faq-answer>section{padding:15px 17px;border-left:3px solid #278bff;border-radius:0 9px 9px 0;background:#f3f8ff}.faq-answer>section span{color:#1475e4;font-size:10px;font-weight:700}.faq-answer p{margin:6px 0 0;color:#38516c;font-size:12px;line-height:1.7}.faq-insights{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:11px}.faq-insights>div{padding:12px;border:1px solid #e5ebf2;border-radius:9px}.faq-insights small{color:#8190a2;font-size:9px;font-weight:700}.faq-insights .taboo{border-color:#f0d9d5;background:#fff8f6}.faq-insights .taboo small{color:#d15e4d}.principle-lead{margin:18px 0;padding:22px;border:1px solid #dce7f1;border-radius:14px;background:#fff;text-align:center}.principle-formula{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.principle-formula span{padding:8px 12px;border-radius:8px;background:#eef6ff;color:#136ecf;font-size:12px;font-weight:700}.principle-formula i{color:#9aabba;font-style:normal;font-weight:700}.principle-lead>p{margin:14px auto 0;color:#607187;font-size:12px;line-height:1.7}.principle-card{position:relative;overflow:hidden}.principle-icon{position:absolute;top:14px;right:15px;color:#dceafa;font-size:30px;font-weight:700}.principle-card h3{margin:12px 28px 14px 0;font-size:17px;line-height:1.45}.principle-example{padding:11px;border-radius:9px;background:#f5f8fc}.principle-example span{color:#7e8da0;font-size:9px;font-weight:700}.principle-example p,.principle-meaning{margin:6px 0 0;color:#41566d;font-size:12px;line-height:1.6}.principle-card footer{margin-top:13px;padding-top:11px;border-top:1px solid #e8edf3;color:#7d8c9e;font-size:10px;line-height:1.5}.quiz-shell{max-width:880px;margin:20px auto 0}.quiz-progress{display:grid;gap:8px;margin-bottom:12px}.quiz-progress>span{color:#718299;font-size:10px;font-weight:700;letter-spacing:.1em}.quiz-progress>div,.score-bar{height:5px;overflow:hidden;border-radius:5px;background:#dfe8f2}.quiz-progress i,.score-bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#1677ff,#46b5ff)}.quiz-card{padding:28px;border:1px solid #dfe7f0;border-radius:17px;background:#fff;box-shadow:0 12px 32px #0c345b0f}.quiz-card h2{margin:12px 0 8px;font-size:23px}.quiz-card blockquote{margin:0 0 20px;color:#77889c;font-size:12px}.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.quiz-options button{min-height:58px;display:grid;grid-template-columns:30px minmax(0,1fr) 22px;align-items:center;gap:10px;padding:10px 13px;border:1px solid #dce5ef;border-radius:10px;background:#fff;color:#3b5067;text-align:left;cursor:pointer}.quiz-options button>span{width:26px;height:26px;display:grid;place-items:center;border-radius:7px;background:#eff4f9;color:#708196;font-size:11px;font-weight:700}.quiz-options button strong{font-size:12px}.quiz-options button:not(:disabled):hover{border-color:#71aff9;background:#f5faff}.quiz-options button.is-correct{border-color:#42c492;background:#effbf6;color:#137b57}.quiz-options button.is-wrong{border-color:#ed9789;background:#fff5f2;color:#b94332}.answer-note{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:17px;padding:12px 14px;border-radius:10px;background:#eef9f4;color:#1b815e;font-size:12px}.answer-note.is-wrong{background:#fff6f3;color:#b24b3b}.answer-note .primary-button{min-height:38px;padding:0 14px;font-size:11px}.quiz-result{max-width:640px;margin:22px auto 0;padding:40px;border:1px solid #dce6ef;border-radius:18px;background:#fff;text-align:center;box-shadow:0 14px 36px #0a376012}.result-trophy{width:78px;height:78px;display:grid;place-items:center;margin:0 auto 13px;border-radius:50%;background:#fff3d6;color:#e7a928}.quiz-result>p{margin:0;color:#7d8c9f;font-size:12px}.quiz-result h2{margin:5px 0;color:var(--ink);font-size:54px}.quiz-result h2 span{color:#a0adbb;font-size:22px}.quiz-result>strong{display:block;color:#3e546b;font-size:13px}.quiz-result .score-bar{margin:22px 0;height:8px}.saved-summary{color:#69521b;border-color:#efdfad;background:#fff9e9}.saved-summary svg{color:#e5ac22}.saved-summary div{display:grid;gap:2px}.saved-summary span{color:#8b7a4f;font-size:11px}.empty-state{margin-top:20px;padding:62px 20px;border:1px dashed #cfdbe7;border-radius:16px;background:#ffffffb3;text-align:center}.empty-state>div{width:60px;height:60px;display:grid;place-items:center;margin:auto;border-radius:50%;background:#edf5fd;color:#388bea}.empty-state h3{margin:14px 0 5px}.empty-state p{margin:0;color:#7c8b9d;font-size:12px}.about-intro{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:end;margin:18px 0 14px;padding:30px;border:1px solid #dfe7ef;border-radius:16px;background:#fff}.about-intro h2{margin:8px 0 12px;font-size:clamp(23px,3vw,34px);line-height:1.3;letter-spacing:-.03em}.about-intro p:not(.section-label){margin:0;color:#64758a;font-size:13px;line-height:1.7}.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px}.about-stats>div{display:grid;gap:3px;padding:16px;border-radius:10px;background:#f4f8fc}.about-stats strong{color:#1476e4;font-size:24px}.about-stats span{color:#6c7d91;font-size:10px}.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.about-grid article{padding:20px;border:1px solid #e0e7ef;border-radius:13px;background:#fff}.about-grid svg{color:var(--blue-600)}.about-grid h3{margin:12px 0 7px;font-size:15px}.about-grid p{margin:0;color:#697a8d;font-size:11px;line-height:1.7}.source-panel{display:grid;grid-template-columns:240px 1fr;gap:30px;margin-top:14px;padding:24px;border:1px solid #e0e7ef;border-radius:14px;background:#fff}.source-panel h3{margin:8px 0 0;font-size:18px}.source-list{display:grid}.source-list>div{display:grid;grid-template-columns:1.2fr 1.5fr 1fr;gap:14px;padding:11px 0;border-bottom:1px solid #edf1f5;align-items:center}.source-list>div:last-child{border-bottom:0}.source-list strong{font-size:11px}.source-list span,.source-list small{color:#708196;font-size:10px;line-height:1.5}@media(max-width:1180px){.knowledge-grid,.manglish-grid,.principle-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.module-content{width:min(100% - 40px,1100px)}}@media(max-width:900px){.module-content{width:calc(100% - 36px);padding-top:18px}.module-hero{min-height:150px}.phrase-card{grid-template-columns:38px minmax(0,1fr)}.phrase-card .compact-actions{grid-column:2;justify-content:flex-start;margin-top:0}.about-intro,.source-panel{grid-template-columns:1fr;gap:20px}}@media(max-width:640px){.main-area--module .topbar-actions .streak,.main-area--module .topbar-actions .day-count,.main-area--module .topbar-actions .topbar-divider{display:none}.main-area--module .topbar{grid-template-columns:1fr auto;align-items:center}.main-area--module .topbar .subtitle{display:none}.main-area--module .topbar-actions{margin-left:auto}.main-area--module .topbar .primary-button{min-height:40px;padding:0 13px;font-size:12px}.module-content{width:calc(100% - 28px);padding-top:14px}.module-hero{min-height:142px;padding:22px 20px;border-radius:14px}.module-hero__mark{display:none}.module-hero h2{font-size:25px}.module-hero p:not(.section-label){font-size:12px}.tool-panel{display:grid}.result-count{min-width:0;justify-content:flex-start}.knowledge-grid,.manglish-grid,.principle-grid,.about-grid{grid-template-columns:1fr}.phrase-card{grid-template-columns:30px minmax(0,1fr);gap:10px;padding:16px}.phrase-number{font-size:15px}.phrase-copy h3{font-size:17px}.faq-answer{padding:0 13px 14px}.faq-insights{grid-template-columns:1fr}.faq-question{grid-template-columns:26px minmax(0,1fr) 20px;padding:15px 13px}.principle-lead{padding:17px 13px}.quiz-card{padding:20px 16px}.quiz-options{grid-template-columns:1fr}.answer-note{align-items:stretch;flex-direction:column}.about-intro{padding:22px 18px}.source-list>div{grid-template-columns:1fr;gap:3px;padding:13px 0}}