:root{--ink:#24362c;--muted:#849188;--green:#15936b;--green-dark:#0e7654;--line:#e8efea;--paper:#fff;--wash:#f3f7f4;--mint:#e6f4ec;--shadow:0 16px 45px #1c402d12}*{box-sizing:border-box}html{background:#edf2ef;min-height:100%}body{color:var(--ink);-webkit-font-smoothing:antialiased;background:radial-gradient(at 50% -8%,#e0f1e7 0,#0000 38%),#edf2ef;margin:0;font-family:DM Sans,Noto Sans SC,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea,select{font:inherit}button{color:inherit}.app-frame{max-width:640px;min-height:100dvh;padding-bottom:calc(82px + env(safe-area-inset-bottom));background:#f8faf8;margin:0 auto;position:relative;box-shadow:0 0 70px #1e3a2a14}.app-header{z-index:10;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f8faf8e6;border-bottom:1px solid #e6ede8cc;justify-content:space-between;align-items:center;height:68px;padding:0 22px;display:flex;position:sticky;top:0}.header-brand{align-items:center;gap:11px;display:flex}.header-brand b{letter-spacing:.04em;font-size:15px;display:block}.header-brand small{color:#9aa69f;letter-spacing:.2em;margin-top:2px;font-size:9px;display:block}.brand-mark{color:#fff;background:linear-gradient(145deg,#26b989,#0b815b);border-radius:12px;place-items:center;width:35px;height:35px;font-size:19px;font-weight:800;display:grid;box-shadow:0 6px 14px #15936b38}.back-button{color:#68796e;background:0 0;border:0;padding:9px 0 9px 15px;font-size:14px}.page-heading{padding:18px 24px 0}.page-heading h1{letter-spacing:-.04em;margin:5px 0 0;font-size:25px}.page-content{padding:20px 20px 28px}.eyebrow{color:#92a097;letter-spacing:.17em;font-size:9px;font-weight:700;line-height:1.4}.hero-card{color:#f9fffb;background:linear-gradient(122deg,#143d2e 0%,#176448 56%,#217657 100%);border-radius:25px;align-items:center;min-height:275px;padding:28px 24px;display:flex;position:relative;overflow:hidden;box-shadow:0 20px 44px #1b553b2e}.hero-card:after{content:"";border:1px solid #ffffff2b;border-radius:50%;width:245px;height:245px;position:absolute;bottom:-127px;right:-75px;box-shadow:0 0 0 25px #ffffff09,0 0 0 54px #ffffff07}.hero-copy{z-index:2;max-width:70%;position:relative}.hero-card .eyebrow{color:#a8d5bc}.hero-card h1{white-space:pre-line;letter-spacing:-.04em;margin:14px 0 10px;font-size:29px;line-height:1.3}.hero-card p{color:#f6fff9b8;margin:0 0 19px;font-size:12px;line-height:1.8}.planet-art{place-items:center;width:140px;height:140px;display:grid;position:absolute;top:70px;right:17px}.planet-core{color:#fff;background:radial-gradient(circle at 35% 30%,#b4efd0,#57bb88 60%,#28774f);border-radius:50%;place-items:center;width:84px;height:84px;font-size:31px;font-weight:800;display:grid;box-shadow:inset -12px -10px 20px #09382538,0 12px 32px #0003}.planet-ring{border:1px solid #d8ffe48c;border-radius:50%;width:135px;height:52px;position:absolute;transform:rotate(-28deg)}.planet-art i{color:#e4f6ba;font-size:15px;font-style:normal;position:absolute;top:0;right:11px}.button{cursor:pointer;border:0;border-radius:12px;padding:12px 16px;font-size:12px;font-weight:700;transition:transform .15s,opacity .15s}.button:active,.action-card:active,.book-card:active{transform:scale(.985)}.button:disabled{opacity:.55}.button.primary{color:#fff;background:var(--green);box-shadow:0 8px 18px #15936b2e}.hero-card .button.primary{color:#176044;box-shadow:none;background:#e8f7eb}.button.secondary{color:#416654;background:#eff5f1}.button.wide{width:100%;margin-top:16px;padding:15px}.auth-card{align-items:center;gap:15px;margin-top:17px;padding:18px;display:flex}.auth-orbit{height:46px;color:var(--green);background:#e8f6ee;border-radius:15px;flex:0 0 46px;place-items:center;font-size:22px;display:grid}.auth-card h2{margin:0 0 5px;font-size:14px}.auth-card p{color:var(--muted);margin:0 0 12px;font-size:11px}.auth-card .button{padding:10px 13px}.login-actions{flex-wrap:wrap;gap:7px;display:flex}.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:0 7px 24px #2a453209}.section-head{justify-content:space-between;align-items:end;margin:28px 2px 13px;display:flex}.section-head h2,.content-section h2{letter-spacing:-.03em;margin:4px 0 0;font-size:18px}.text-link{color:var(--green);cursor:pointer;background:0 0;border:0;padding:6px 0;font-size:11px;font-weight:700}.metric-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:13px;display:grid}.metric-card{background:linear-gradient(145deg,#fff,#f6faf7);border:1px solid #e8efea;border-radius:15px;min-height:92px;padding:13px 12px}.metric-card span,.metric-card small{color:var(--muted);font-size:10px;display:block}.metric-card strong{letter-spacing:-.04em;margin:8px 0 3px;font-size:24px;line-height:1.25;display:block}.metric-card small{font-size:9px}.action-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:16px;display:grid}.action-card{text-align:left;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:16px;min-height:116px;padding:13px 11px;position:relative;box-shadow:0 7px 20px #2a453209}.action-card>span{color:#a1ada5;letter-spacing:.12em;font-size:8px;display:block}.action-card b{margin:12px 0 4px;font-size:13px;display:block}.action-card small{color:var(--muted);font-size:9px;display:block}.action-card em{color:var(--green);font-style:normal;position:absolute;bottom:10px;right:11px}.intro-panel{background:linear-gradient(135deg,#e6f4ec,#f2f7f3);border:1px solid #dfede4;border-radius:19px;padding:22px 21px}.intro-panel h1{letter-spacing:-.04em;margin:8px 0 7px;font-size:23px}.intro-panel p{color:#718078;margin:0 0 13px;font-size:11px;line-height:1.75}.search-row{gap:8px;margin:14px 0;display:flex}.search-row input,.answer-input{border:1px solid var(--line);background:#fff;border-radius:12px;outline:none;width:100%;min-width:0;padding:12px 13px;font-size:12px}.search-row input:focus,.answer-input:focus,textarea:focus{border-color:#6fc39d;box-shadow:0 0 0 3px #15936b14}.search-row .button{flex:none;padding:0 16px}.chip-row{scrollbar-width:none;gap:7px;padding:1px 0 9px;display:flex;overflow:auto}.chip-row::-webkit-scrollbar{display:none}.chip{color:#77847c;cursor:pointer;background:#fff;border:1px solid #e5ece7;border-radius:99px;flex:none;padding:7px 11px;font-size:10px}.chip.active{color:#167c59;background:#e2f4e9;border-color:#d2eadb;font-weight:700}.card-list{gap:9px;margin-top:10px;display:grid}.book-card{text-align:left;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:15px;align-items:center;gap:12px;width:100%;padding:13px;display:flex}.book-icon{color:#188861;background:#e8f5ed;border-radius:13px;flex:0 0 42px;place-items:center;width:42px;height:42px;font-size:15px;font-weight:800;display:grid}.book-info{flex:1;min-width:0}.book-info b,.book-info small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.book-info b{margin-bottom:5px;font-size:12px}.book-info small{color:var(--muted);margin-top:3px;font-size:9px}.arrow{color:#99a59d;font-size:24px}.book-hero{margin-bottom:14px;padding:21px}.book-hero h1,.detail-hero h1{letter-spacing:-.04em;margin:8px 0;font-size:24px}.book-hero p,.detail-hero p{color:#77857c;font-size:11px;line-height:1.75}.book-hero .meta-line{color:#829188;margin:12px 0;font-size:10px}.word-list{gap:8px;margin-top:12px;display:grid}.word-row{border:1px solid var(--line);text-align:left;background:#fff;border-radius:14px;flex-direction:column;align-items:flex-start;gap:3px;width:100%;min-width:0;padding:12px 14px;display:flex}.word-list>button{cursor:pointer}.word-row b{font-size:14px}.word-row span{color:#718078;font-size:10px}.word-row small{color:#9ba69f;font-size:9px}.detail-hero{padding:23px}.detail-hero h1{margin:9px 0 5px;font-size:31px}.detail-hero .sentence-title{font-size:20px;line-height:1.55}.button-row{gap:8px;margin-top:17px;display:flex}.content-section{margin-top:22px}.content-section>h2{margin:0 2px 11px}.meaning-card,.sentence-card,.source-card,.grammar-card{margin-top:8px;padding:15px;font-size:12px;line-height:1.7}.meaning-card p,.grammar-card p{color:#728078;margin:7px 0 0}.meaning-card p,.source-card small,.sentence-card small,.grammar-card small{color:#849188;font-size:10px;display:block}.part-pill{color:#167c59;background:#eaf6ee;border-radius:6px;margin-right:7px;padding:2px 6px;font-size:9px;display:inline-block}.notice-card{color:#7f8d84;background:#f1f5f2;border-radius:13px;padding:14px 15px;font-size:11px;line-height:1.65}.sentence-list-card{text-align:left;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:15px;flex-direction:column;gap:8px;padding:15px;display:flex}.sentence-list-card b{font-size:12px;line-height:1.6}.sentence-list-card small{color:var(--muted);font-size:10px;line-height:1.6}.source-card b{margin-bottom:5px;display:block}.source-card small+small{margin-top:5px}.study-card{text-align:center;padding:22px 18px}.study-progress{text-align:right;color:#97a39b;margin:-3px 0 18px;font-size:10px}.study-card h1{letter-spacing:-.04em;margin:14px 0 4px;font-size:34px}.study-card h2{margin:15px 0;font-size:17px;line-height:1.7}.study-card .pronunciation{color:#819087;font-size:11px}.revealed-box{text-align:left;background:#f2f7f3;border-radius:13px;margin:17px 0;padding:15px;font-size:12px;line-height:1.7}.revealed-box strong{color:var(--green);margin-bottom:7px;display:block}.revealed-box p{margin:5px 0}.revealed-box small{color:var(--muted)}.center{text-align:center}.muted{color:var(--muted);font-size:11px}.rating-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.rating-grid button{color:#456251;background:#fff;border:1px solid #e6eee8;border-radius:11px;padding:12px 5px;font-size:11px}.study-card textarea{resize:vertical;border:1px solid var(--line);border-radius:12px;outline:none;width:100%;min-height:110px;padding:12px;font-size:12px}.complete-card{text-align:center;padding:36px 20px}.complete-card h1{font-size:21px}.complete-card p{color:var(--muted);margin:7px 0 19px;font-size:11px}.complete-mark{width:54px;height:54px;color:var(--green);background:#e8f6ee;border-radius:50%;place-items:center;margin:0 auto 14px;font-size:25px;display:grid}.practice-grid{gap:10px;margin-top:15px;display:grid}.practice-card{text-align:left;cursor:pointer;grid-template-rows:auto auto;grid-template-columns:47px 1fr;align-items:center;gap:2px 12px;padding:14px;display:grid}.practice-icon{width:44px;height:44px;color:var(--green);background:#edf7f1;border-radius:13px;grid-row:span 2;place-items:center;font-size:15px;font-weight:700;display:grid}.practice-card b{font-size:13px}.practice-card small{color:var(--muted);font-size:10px}.audio-button{width:100%;color:var(--green);background:#eff8f2;border:1px solid #dcece1;border-radius:14px;margin:20px 0;padding:16px;font-weight:700}.option-list{gap:8px;display:grid}.option{border:1px solid var(--line);text-align:left;background:#fff;border-radius:12px;padding:13px}.option.selected{border-color:var(--green);color:var(--green-dark);background:#eaf6ef}.token-area{background:#f3f7f4;border-radius:12px;flex-wrap:wrap;gap:7px;min-height:43px;margin:9px 0;padding:8px;display:flex}.token-area button{background:#fff;border:1px solid #dfe9e2;border-radius:8px;padding:7px 9px;font-size:11px}.token-area.available{background:#fff}.result-box{color:#a6544a;text-align:left;background:#fff0ed;border-radius:10px;margin-top:12px;padding:11px;font-size:11px}.result-box.correct{color:#167452;background:#e9f6ed}.answer-input{margin-top:12px}.profile-card{align-items:center;gap:12px;padding:15px;display:flex}.profile-card>div:nth-child(2){flex:1}.profile-card h2{margin:0 0 5px;font-size:14px}.profile-card small{color:var(--muted);font-size:10px}.avatar{width:44px;height:44px;color:var(--green);background:#e7f5eb;border-radius:50%;place-items:center;font-weight:800;display:grid}.settings-list{padding:0 14px}.setting-row{border-bottom:1px solid #edf1ee;justify-content:space-between;align-items:center;gap:12px;min-height:49px;font-size:11px;display:flex}.setting-row:last-child{border-bottom:0}.setting-row select{text-align:right;color:#718078;background:0 0;border:0;outline:none;max-width:135px;font-size:10px}.tool-list{border:1px solid var(--line);background:#fff;border-radius:15px;margin-top:15px;overflow:hidden}.tool-row{text-align:left;background:#fff;border:0;border-bottom:1px solid #edf1ee;justify-content:space-between;width:100%;padding:15px;font-size:11px;display:flex}.tool-row:last-child{border-bottom:0}.tool-row span{color:#9aa69e}.logout-button{color:#b65e52;background:#fff;border:1px solid #f0dfdc;border-radius:12px;width:100%;margin-top:14px;padding:13px;font-size:11px}.favorite-row{align-items:center;gap:10px;padding:12px;display:flex}.favorite-row>button:first-child{text-align:left;background:0 0;border:0;flex-direction:column;flex:1;gap:5px;display:flex}.favorite-row b{font-size:12px}.favorite-row small{color:var(--muted);font-size:10px}.calendar-card{margin-top:15px;padding:17px}.calendar-card h2{margin:0 0 12px;font-size:14px}.calendar-grid{grid-template-columns:repeat(7,1fr);gap:5px;display:grid}.calendar-day{aspect-ratio:1;color:#9ba69f;background:#eff3f0;border-radius:7px;place-items:center;font-size:9px;display:grid}.calendar-day.level-1{color:#508366;background:#d9eee1}.calendar-day.level-2{color:#fff;background:#91d2aa}.calendar-day.level-3{color:#fff;background:#29986e}.loading-line{color:#8d9991;align-items:center;gap:8px;margin:5px 1px 15px;font-size:10px;display:flex}.loading-line span{border:2px solid #d8e8de;border-top-color:var(--green);border-radius:50%;width:12px;height:12px;animation:.8s linear infinite spin}.error-card{color:#a4584f;background:#fff5f2;border:1px solid #f1d9d4;border-radius:12px;justify-content:space-between;align-items:center;gap:10px;margin:0 0 14px;padding:11px 12px;font-size:10px;display:flex}.error-card button{color:#a4584f;background:0 0;border:0;font-weight:700}.empty{text-align:center;color:var(--muted);padding:22px;font-size:11px;line-height:1.7}.app-footer{text-align:center;color:#a0aaa3;padding:25px 0 4px;font-size:9px}.app-footer span{padding:0 5px}.bottom-nav{z-index:20;width:min(100%,640px);height:calc(66px + env(safe-area-inset-bottom));padding:7px 15px env(safe-area-inset-bottom);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffffff0;border-top:1px solid #e8efea;grid-template-columns:repeat(4,1fr);display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-button{color:#87938b;background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:9px;display:flex}.nav-button span{font-size:17px;font-weight:700;line-height:1.1}.nav-button.active{color:var(--green)}.toast{z-index:30;left:50%;bottom:calc(84px + env(safe-area-inset-bottom));color:#fff;max-width:calc(100% - 36px);box-shadow:var(--shadow);white-space:nowrap;background:#22342aeb;border-radius:12px;padding:10px 15px;font-size:11px;position:fixed;transform:translate(-50%)}.boot-screen{min-height:100dvh;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;font-size:12px;display:flex}.boot-screen .brand-mark{border-radius:17px;width:50px;height:50px;font-size:24px}@keyframes spin{to{transform:rotate(360deg)}}@media (min-width:700px){.app-frame{border-radius:25px;min-height:calc(100dvh - 36px);margin:18px auto;overflow:hidden}.app-header{padding:0 30px}.page-content{padding:24px 28px 35px}.page-heading{padding:20px 30px 0}.hero-card{min-height:310px;padding:34px}.hero-card h1{font-size:35px}.planet-art{right:34px;transform:scale(1.18)}.bottom-nav{border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;height:68px;padding:6px 15px;bottom:18px;overflow:hidden}.app-frame{padding-bottom:100px}.toast{bottom:100px}}.industry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:13px 0 16px;display:grid}.industry-card{text-align:left;cursor:pointer;background:radial-gradient(circle at 100% 0,#ddf5e7 0,#0000 45%),linear-gradient(145deg,#fff,#f8fbf8);border:1px solid #e1eee5;border-radius:19px;flex-direction:column;justify-content:flex-end;align-items:flex-start;gap:7px;min-height:126px;padding:15px;transition:transform .18s,box-shadow .18s;display:flex;position:relative;box-shadow:0 8px 24px #1f593a0d}.industry-card:active{transform:translateY(1px)scale(.985);box-shadow:0 3px 9px #1f593a0f}.industry-card-icon{color:#16855f;background:#e6f5eb;border-radius:12px;place-items:center;width:36px;height:36px;font-size:13px;font-weight:800;display:grid}.industry-card b{padding-right:10px;font-size:12px;line-height:1.4}.industry-card small{color:var(--muted);font-size:9px}.industry-card em{color:#8da797;font-size:18px;font-style:normal;position:absolute;top:14px;right:14px}.category-back{color:#61806d;cursor:pointer;background:0 0;border:0;margin:0 0 4px;padding:4px 0;font-size:11px}.word-search-card{padding:8px 10px}.book-open{text-align:left;cursor:pointer;background:0 0;border:0;flex:1;align-items:center;gap:12px;min-width:0;padding:5px;display:flex}.book-phonetic{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#74857b!important}.speaker-button{color:#16865f;cursor:pointer;background:linear-gradient(145deg,#f5fcf7,#e7f6ec);border:1px solid #d6ebdd;border-radius:50%;flex:0 0 38px;place-items:center;width:38px;height:38px;font-size:11px;font-weight:800;transition:transform .16s,background .16s;display:inline-grid}.speaker-button:active{background:#dff2e5;transform:scale(.92)}.word-row{flex-direction:row;justify-content:space-between;align-items:center;gap:10px;padding:12px 13px}.word-row-open{text-align:left;cursor:pointer;background:0 0;border:0;flex-direction:column;flex:1;align-items:flex-start;gap:4px;min-width:0;display:flex}.word-row-open b{font-size:14px}.word-row-open span{color:#718078;font-size:10px}.word-row-open small,.word-row-pronunciation small{color:#9ba69f;font-size:9px}.word-row-pronunciation{flex:none;align-items:center;gap:8px;display:flex}.word-row-pronunciation small{color:#63796c;text-overflow:ellipsis;white-space:nowrap;max-width:95px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;overflow:hidden}.detail-pronunciations{color:#65796d;grid-template-columns:1fr auto;align-items:center;gap:8px 12px;margin-top:14px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;display:grid}.detail-pronunciations .speaker-button{flex-basis:34px;width:34px;height:34px}.detail-pronunciations+.button-row{margin-top:18px}.word-study-card{background:radial-gradient(circle at 100% 0,#d4f6dfeb,#0000 34%),radial-gradient(circle at 0 100%,#ebf1ffd9,#0000 32%),linear-gradient(150deg,#fff 18%,#f8fcf9 100%);border:1px solid #dcefe2;border-radius:27px;min-height:390px;padding:20px 18px 23px;position:relative;overflow:hidden;box-shadow:0 18px 42px #2367421f}.word-study-card:before{content:"";border:1px solid #259c651f;border-radius:50%;width:154px;height:154px;position:absolute;top:-63px;right:-38px;box-shadow:0 0 0 18px #259c6509,0 0 0 38px #259c6506}.word-study-card .study-progress{z-index:1;color:#6d8878;text-align:left;justify-content:space-between;margin:0 0 9px;font-size:10px;display:flex;position:relative}.word-study-card .study-progress span{font-weight:700}.word-study-card .study-progress b{color:#315c43;font-variant-numeric:tabular-nums}.study-progress-track{z-index:1;background:#e8f1ea;border-radius:99px;height:7px;margin-bottom:35px;position:relative;overflow:hidden}.study-progress-track i{border-radius:inherit;background:linear-gradient(90deg,#51c783,#16895d);height:100%;transition:width .35s;display:block}.flashcard-orbit{color:#58a875;background:#ffffffb8;border:1px solid #178c5b2e;border-radius:13px;place-items:center;width:38px;height:38px;font-size:15px;display:grid;position:absolute;top:70px;right:27px;transform:rotate(9deg)}.word-study-card>.eyebrow{text-align:left;display:block}.word-study-card h1{color:#203c2b;letter-spacing:-.055em;margin:18px 0 9px;font-size:clamp(38px,11vw,54px);position:relative}.pronunciation-line{justify-content:center;align-items:center;gap:12px;min-height:40px;display:flex}.pronunciation-line .pronunciation{color:#73887b;letter-spacing:.02em;margin:0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px}.word-study-card .reveal-button{background:linear-gradient(105deg,#1aa875,#13835d);border-radius:16px;min-height:50px;margin-top:24px;font-size:13px;box-shadow:0 9px 20px #15936b33}.word-study-card .revealed-box{background:#ffffffc7;border:1px solid #e3f0e6;border-radius:17px}.word-study-card .rating-grid{gap:9px}.word-study-card .rating-grid button{background:#ffffffd9;border:1px solid #dcece1;border-radius:14px;min-height:47px;font-size:11px;font-weight:700;transition:transform .15s,border-color .15s,background .15s}.word-study-card .rating-grid button:active{background:#e8f7ec;border-color:#88cda4;transform:scale(.97)}@media (min-width:700px){.industry-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.word-study-card{padding:25px 28px 29px}.study-progress-track{margin-bottom:42px}}@media (max-width:380px){.page-content{padding-left:15px;padding-right:15px}.hero-card{min-height:258px;padding:23px 18px}.hero-copy{max-width:75%}.hero-card h1{font-size:25px}.planet-art{right:-12px;transform:scale(.83)}.metric-grid{gap:6px}.metric-card{padding:11px 9px}.metric-card strong{font-size:21px}.action-card{padding:11px 8px}.action-card b{font-size:11px}}.meaning-source{color:var(--muted);margin-top:6px;font-size:9px;line-height:1.5;display:block}.plan-section{margin-top:14px}.plan-grid{gap:11px;display:grid}.plan-card,.book-progress-panel{padding:16px}.plan-card-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.plan-card-head h3{margin:5px 0 0;font-size:14px;line-height:1.4}.plan-count{color:#18845d;text-align:center;background:#eaf7ee;border-radius:15px;place-content:center;min-width:48px;min-height:48px;font-size:15px;font-weight:800;display:grid}.plan-count small{color:#698575;font-size:8px;font-weight:500}.plan-progress-track{background:#edf2ee;border-radius:99px;height:6px;margin:13px 0 12px;overflow:hidden}.plan-progress-track i{border-radius:inherit;background:linear-gradient(90deg,#6bd494,#18895d);height:100%;display:block}.book-progress-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;margin:12px 0;display:grid}.book-progress-grid>div{text-align:center;background:#f5f8f5;border-radius:10px;flex-direction:column;align-items:center;gap:4px;min-width:0;padding:8px 2px;display:flex}.book-progress-grid b{color:#294b37;font-variant-numeric:tabular-nums;font-size:14px}.book-progress-grid small{color:#829087;white-space:nowrap;font-size:8px}.plan-action{min-height:42px;margin-top:4px}.plan-action:disabled{color:#849188;box-shadow:none;background:#f4f7f4;border:1px solid #e5ebe6}.book-progress-panel{margin:13px 0}.mastery-note{color:#829087;font-size:9px;line-height:1.65;display:block}.study-pause{z-index:1;color:#5e8a70;cursor:pointer;background:0 0;border:0;margin:-25px 0 17px auto;padding:5px 0;font-size:9px;display:block;position:relative}.session-book-progress{color:#78897e;background:#ffffffb3;border:1px solid #e6f0e8;border-radius:13px;flex-wrap:wrap;align-items:center;gap:7px;margin:18px 0 4px;padding:10px 11px;font-size:8px;display:flex}.session-book-progress span{color:#597263;flex-basis:100%;font-weight:700}.session-book-progress b{color:#4b7159;background:#f1f7f2;border-radius:8px;padding:4px 6px;font-size:8px;font-weight:600}.word-study-card .mastery-note{margin-top:10px}@media (max-width:380px){.plan-card,.book-progress-panel{padding:13px}.book-progress-grid{gap:2px}.book-progress-grid b{font-size:12px}.book-progress-grid small{font-size:7px}.session-book-progress{gap:5px;padding:8px}.session-book-progress b{padding:4px}}.study-entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;margin:17px 0 5px;display:grid}.study-entry{text-align:left;cursor:pointer;background:radial-gradient(circle at 100% 0,#c9f0d6bf,#0000 52%),linear-gradient(145deg,#fff,#f5faf6);border:1px solid #dcebe0;border-radius:19px;align-items:center;gap:11px;min-width:0;min-height:125px;padding:15px 13px;transition:transform .16s,box-shadow .16s;display:flex;position:relative;box-shadow:0 10px 24px #1f593a12}.study-entry:active{transform:scale(.985);box-shadow:0 4px 12px #1f593a14}.sentence-entry{background:radial-gradient(circle at 100% 0,#dbe2ffbf,#0000 54%),linear-gradient(145deg,#fff,#f7f8fd);border-color:#e1e5f4}.study-entry-icon{color:#18845d;background:#e5f5ea;border-radius:15px;flex:0 0 43px;place-items:center;width:43px;height:43px;font-size:16px;font-weight:800;display:grid}.sentence-entry .study-entry-icon{color:#5e6ba7;background:#e9edfc}.study-entry-copy{flex-direction:column;gap:4px;min-width:0;display:flex}.study-entry-copy small{color:#8b9a90;letter-spacing:.12em;font-size:8px;font-weight:700}.study-entry-copy b{color:#284635;font-size:16px;line-height:1.3}.study-entry-copy em{color:#76867b;font-size:9px;font-style:normal;line-height:1.5}.study-entry-arrow{color:#6a9b7b;font-size:21px;position:absolute;bottom:9px;right:11px}.sentence-entry .study-entry-arrow{color:#7380b4}.featured-word-row{background:linear-gradient(110deg,#fff 0%,#f8fcf9 100%);border-color:#e1ece4;border-radius:17px;min-height:78px;padding:14px 15px;box-shadow:0 6px 17px #2a45320a}.featured-word-row .word-row-open{gap:5px}.featured-word-row .word-row-open b{color:#203e2e;letter-spacing:-.03em;font-size:20px;line-height:1.25}.featured-word-row .word-row-open span{color:#4e705b;font-size:12px;line-height:1.45}.featured-word-row .word-row-open small{color:#98a59d;font-size:9px}.featured-word-row .word-row-pronunciation small{font-size:10px}.sentence-feed{gap:12px;margin-top:14px;display:grid}.sentence-feed-card{background:radial-gradient(circle at 100% 0,#e1f2e5b3,#0000 46%),#fff;border:1px solid #e1ece4;border-radius:19px;align-items:center;gap:8px;padding:14px 13px 14px 16px;display:flex;box-shadow:0 8px 21px #2a45320b}.sentence-feed-open{text-align:left;cursor:pointer;background:0 0;border:0;flex-direction:column;flex:1;align-items:flex-start;gap:7px;min-width:0;padding:0;display:flex}.sentence-feed-open .eyebrow{color:#6e9a7b;font-size:9px}.sentence-feed-open b{color:#203d2c;letter-spacing:-.02em;font-size:19px;line-height:1.52}.sentence-feed-open small{color:#6f7f75;font-size:12px;line-height:1.6}.sentence-feed-open em{color:#17845e;margin-top:2px;font-size:10px;font-style:normal;font-weight:700}.sentence-feed-speaker{color:#16865f;cursor:pointer;background:#eff8f2;border:1px solid #d6ebdd;border-radius:50%;flex:0 0 43px;place-items:center;width:43px;height:43px;font-size:11px;font-weight:800;display:grid}.sentence-detail-hero{background:radial-gradient(circle at 100% 0,#d3f3ddb8,#0000 50%),#fff}.sentence-detail-hero .sentence-title{color:#203d2c;letter-spacing:-.025em;font-size:clamp(24px,6vw,31px);line-height:1.5}.sentence-detail-hero>p{color:#536b5c;margin-top:10px;font-size:16px;line-height:1.8}.sentence-detail-hero .button-row{flex-wrap:wrap}.sentence-detail-hero .button{min-height:43px}.sentence-study-card{background:radial-gradient(circle at 100% 0,#dee4fccc,#0000 45%),linear-gradient(150deg,#fff,#f9faff);border-color:#e0e8f5;padding:22px 18px 24px}.sentence-study-card .study-progress{color:#6574a8;text-align:left;justify-content:space-between;margin:0 0 24px;display:flex}.sentence-study-card .study-progress span{font-weight:700}.sentence-study-card .study-progress b{color:#53628e}.sentence-memory-prompt{color:#243858;letter-spacing:-.02em;margin:17px 0 7px!important;font-size:clamp(22px,6vw,28px)!important;line-height:1.62!important}.sentence-memory-scene{color:#76839a;margin:0 0 17px;font-size:11px}.sentence-answer-label{color:#536583;text-align:left;margin:20px 0 8px;font-size:11px;font-weight:700;display:block}.sentence-study-card .sentence-answer-input{background:#fff;border-color:#dfe5f0;border-radius:16px;min-height:116px;font-size:16px;line-height:1.65}.sentence-study-card .revealed-box{background:#ffffffdb;border:1px solid #e0e7f3;border-radius:16px;font-size:17px}.sentence-study-card .revealed-box p{color:#243858;overflow-wrap:anywhere;font-size:20px;font-weight:700;line-height:1.6}@media (max-width:430px){.study-entry-grid{grid-template-columns:1fr;gap:8px}.study-entry{min-height:91px;padding:12px 14px}.study-entry-icon{flex-basis:40px;width:40px;height:40px}.sentence-feed-card{padding:12px 11px 12px 13px}.sentence-feed-open b{font-size:17px}.sentence-feed-open small{font-size:11px}.sentence-detail-hero{padding:20px 18px}.sentence-detail-hero .button-row{gap:6px}.sentence-detail-hero .button{padding:11px 12px;font-size:11px}}
