:root{font-family:DM Sans,sans-serif;color:#24352c;background:#f7f5ef;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--ink: #24352c;--muted: #78847c;--line: #e3e4dc;--green: #466b56;--green-dark: #34533f;--butter: #f0cf77;--paper: #fffefa;--rose: #ae6052}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}button:focus-visible,input:focus-visible{outline:3px solid #97bba1;outline-offset:2px}em{font-family:"DM Serif Display",Georgia,serif;font-weight:400}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{height:76px;border-bottom:1px solid var(--line);padding:0 clamp(22px,7vw,112px);display:flex;align-items:center;justify-content:space-between;background:#fffefab8}.brand{display:inline-flex;align-items:center;gap:10px;border:0;background:transparent;color:var(--ink);font:28px "DM Serif Display",Georgia,serif;letter-spacing:-.8px}.brand-mark{display:grid;place-items:center;width:31px;height:31px;border-radius:11px 11px 11px 3px;background:var(--green);color:#fff;font:600 16px DM Sans,sans-serif}.account-menu{display:flex;align-items:center;gap:20px;font-size:13px}.account-name{color:var(--muted)}.quiet-button,.back-link{border:0;background:transparent;color:var(--green);font-size:13px;font-weight:600;padding:8px 0}.quiet-button:hover,.back-link:hover{color:var(--green-dark)}.page-content{width:min(1080px,calc(100% - 48px));margin:0 auto;padding:46px 0 72px;flex:1}.site-footer{padding:20px;text-align:center;color:#9aa39b;border-top:1px solid var(--line);font-size:12px}.eyebrow{color:var(--green);font-size:10px;font-weight:700;letter-spacing:1.5px}.muted{color:var(--muted)}h1,h2,p{margin-top:0}h1{font:400 clamp(31px,4vw,45px)/1.12 "DM Serif Display",Georgia,serif;letter-spacing:-.7px;margin-bottom:12px}h1 em{color:var(--green)}h2{font:400 25px "DM Serif Display",Georgia,serif;margin:8px 0}.welcome-row{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:30px}.welcome-row p{margin-bottom:0;font-size:14px}.daily-mark{width:122px;height:106px;border-radius:58% 42% 54% 46%/54% 44% 56% 46%;background:#f1e8cd;display:flex;flex-direction:column;justify-content:center;align-items:center;position:relative;transform:rotate(3deg);font:14px "DM Serif Display",Georgia,serif;color:var(--green)}.daily-mark strong{font:27px "DM Serif Display",Georgia,serif}.daily-mark i{position:absolute;color:#cd9d3e;font-style:normal;font-size:15px;right:13px;top:18px}.overview-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:13px;margin:32px 0 54px}.overview-card{min-height:134px;padding:20px 22px;border:1px solid var(--line);border-radius:13px;background:var(--paper);text-align:left;color:var(--ink)}button.overview-card{transition:transform .16s,box-shadow .16s}button.overview-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #26382b12}.review-card{background:#e7eee6;border-color:#dce7dc}.history-card{background:#f2eadb;border-color:#eee4d1}.overview-label{color:var(--muted);font-size:9px;letter-spacing:1.1px;font-weight:700}.progress-number,.review-count{font:26px "DM Serif Display",Georgia,serif;margin-top:12px}.progress-number span,.review-count span{font:12px DM Sans,sans-serif;color:var(--muted)}.review-count{font-size:23px}.progress-track,.lesson-progress-track{height:5px;border-radius:5px;background:#e8ebe5;overflow:hidden;margin:12px 0 8px}.progress-track div,.lesson-progress-track div{height:100%;background:var(--green);border-radius:inherit;transition:width .3s}.overview-foot{color:var(--muted);font-size:11px;margin-top:12px}.overview-foot span{float:right;color:var(--green);font-size:15px;margin-top:-4px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.section-heading h2{font-size:31px;margin:8px 0 0}.section-note{color:var(--muted);font-size:12px}.level-group{margin:22px 0 33px}.level-title{display:flex;align-items:center;gap:13px;color:var(--green);font-size:11px;font-weight:700;letter-spacing:1.3px;margin-bottom:12px}.level-line{height:1px;flex:1;background:var(--line)}.unit-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}.unit-card{min-height:106px;display:grid;grid-template-columns:42px 1fr 24px;align-items:center;gap:12px;padding:17px;border:1px solid var(--line);border-radius:12px;background:var(--paper);text-align:left;color:var(--ink);transition:border-color .15s,transform .15s,box-shadow .15s}.unit-card.available:hover{transform:translateY(-2px);border-color:#b7c8b9;box-shadow:0 7px 20px #26382b0d}.unit-card.complete{border-color:#d6e2d5;background:#f1f6ef}.unit-card.locked{opacity:.55;background:#f4f3ee}.unit-number{align-self:start;color:#a3ada4;font:20px "DM Serif Display",Georgia,serif}.unit-content{display:flex;min-width:0;flex-direction:column;gap:5px}.unit-content strong{font:20px "DM Serif Display",Georgia,serif}.unit-content>span{color:var(--muted);font-size:11px;line-height:1.45}.unit-content small{color:#9aa39b;font-size:10px;margin-top:2px}.unit-status{justify-self:end;color:var(--green);font-size:18px}.locked .unit-status{color:#9aa39b}.login-wrap{min-height:100vh;display:grid;grid-template-columns:1fr minmax(360px,470px);background:#f7f5ef}.login-aside{padding:15vh 8vw;background:#e7eee6;position:relative;overflow:hidden}.login-aside h1{font-size:clamp(42px,6vw,68px);margin:21px 0 20px}.login-aside p{max-width:370px;color:#68796c;line-height:1.7}.login-decoration{position:absolute;left:8vw;bottom:12vh;color:#486b56;font:38px "DM Serif Display",Georgia,serif;transform:rotate(-6deg)}.login-decoration span{font:italic 15px DM Sans,sans-serif;color:#88978a;margin-left:42px}.login-card{align-self:center;width:min(370px,calc(100% - 44px));margin:0 auto;padding:33px;border:1px solid var(--line);border-radius:15px;background:var(--paper);box-shadow:0 20px 60px #3543310c}.login-card h2{font-size:32px;margin:10px 0 8px}.login-card>p.muted{font-size:12px;line-height:1.55;margin-bottom:24px}.login-card label,.answer-label{display:flex;flex-direction:column;gap:7px;margin:15px 0;color:#536258;font-size:12px;font-weight:600}input{min-height:43px;width:100%;padding:0 12px;border:1px solid #dfe3dc;border-radius:8px;background:#fff;color:var(--ink);outline:none}input:focus{border-color:#769a81}.setup-note{margin:22px 0 0;color:#87928a;font-size:10px;line-height:1.6}code{font-size:10px;background:#eef1eb;padding:2px 4px;border-radius:3px}.primary-button{min-height:45px;display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:0 19px;border:0;border-radius:8px;background:var(--green);color:#fffefa;font-size:12px;font-weight:600;transition:background .15s,transform .15s}.primary-button:hover:not(:disabled){background:var(--green-dark);transform:translateY(-1px)}.primary-button:disabled{opacity:.55}.primary-button span{font-size:16px}.full-width{width:100%;margin-top:5px}.form-error{color:var(--rose);font-size:12px;line-height:1.5}.lesson-layout{max-width:810px;margin:0 auto}.lesson-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.lesson-heading{display:flex;justify-content:space-between;align-items:end;gap:20px}.lesson-heading h1{margin-bottom:5px}.lesson-heading p{margin-bottom:0;font-size:13px}.lesson-heading .grammar-explanation{max-width:62ch;margin-top:9px;line-height:1.5;color:var(--ink)}.lesson-progress{color:var(--muted);font-size:11px;white-space:nowrap}.lesson-progress-track{margin:19px 0 28px;height:4px}.vocab-strip{padding:20px;border:1px solid var(--line);border-radius:12px;background:#f0f1e9;margin-bottom:16px}.vocab-strip summary{cursor:pointer}.vocab-strip[open] summary{margin-bottom:13px}.vocab-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:13px}.vocab-card{padding:13px 14px;background:var(--paper);border-radius:9px;border:1px solid #e7e8e0}.vocab-word{display:flex;align-items:center;gap:8px;font:18px "DM Serif Display",Georgia,serif}.vocab-translation{color:var(--green);font-size:11px;margin-top:2px}.vocab-card p{margin:10px 0 0;color:#7b877f;font:italic 11px/1.5 "DM Serif Display",Georgia,serif}.vocab-card .usage-note{color:var(--ink);font:11px/1.5 DM Sans,sans-serif}.speaker-wrap{display:inline-flex;align-items:center;gap:5px}.speaker-wrap small{color:var(--rose);font:10px DM Sans,sans-serif}.speaker-button{width:32px;height:32px;display:inline-grid;place-items:center;border:1px solid #dce5da;border-radius:50%;background:#f1f6ef;color:var(--green);font-size:11px;cursor:pointer}.speaker-button:hover:not(:disabled){background:#e2ecdf}.speaker-button.compact{width:25px;height:25px;font-size:9px}.exercise-card{padding:clamp(22px,5vw,38px);border:1px solid var(--line);border-radius:14px;background:var(--paper);box-shadow:0 8px 26px #34413008}.exercise-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:9px;font-weight:700;letter-spacing:1px}.exercise-navigation{margin-top:18px}.question-context{display:flex;align-items:center;gap:10px;margin:26px 0 12px;color:var(--muted);font-size:12px}.context-word{color:var(--green);font:20px "DM Serif Display",Georgia,serif}.exercise-card h2{font:27px/1.35 "DM Serif Display",Georgia,serif;margin:0 0 10px;white-space:pre-wrap}.exercise-translation{color:var(--muted);font-size:12px;margin:0 0 22px}.question-instruction{margin:0 0 8px;color:var(--muted);font-size:12px}.listening-player{display:flex;align-items:center;gap:10px;margin:14px 0 20px;color:var(--muted);font-size:12px}.answer-label{margin:22px 0}.answer-options{display:grid;gap:9px;margin:20px 0}.option-row{display:flex;align-items:center;gap:11px;min-height:49px;margin:0;padding:8px 12px;border:1px solid var(--line);border-radius:8px;color:#526057;cursor:pointer;font-size:13px}.option-row.selected{border-color:#8dab92;background:#f1f6ef}.option-row input{width:16px;height:16px;min-height:auto;margin:0;accent-color:var(--green)}.option-key{width:23px;height:23px;display:grid;place-items:center;border-radius:50%;background:#f0f1e9;color:#7b887d;font-size:10px}.feedback{display:grid;gap:6px;margin:18px 0;padding:14px 16px;border-radius:8px;font-size:12px;line-height:1.5}.feedback.correct{background:#edf4e9;color:#3d6448}.feedback.incorrect{background:#f8eee8;color:#975849}.answer-reveal{color:#526057}.answer-reveal b{color:var(--ink)}.lesson-footnote{text-align:center;color:#9aa39b;font-size:10px;margin:20px 0}.finish-card{max-width:560px;margin:8vh auto;padding:56px 40px;text-align:center;border:1px solid var(--line);border-radius:16px;background:var(--paper)}.success-seal{width:56px;height:56px;display:grid;place-items:center;margin:0 auto 22px;border-radius:50%;background:#e6efe2;color:var(--green);font-size:24px}.finish-card .eyebrow,.finish-card h1{margin-bottom:12px}.finish-card p{color:var(--muted);font-size:13px;margin-bottom:26px}.history-section{max-width:810px;margin:0 auto}.history-section>.eyebrow{margin-top:34px}.history-section h1{margin:9px 0 28px}.history-list{border-top:1px solid var(--line)}.history-row{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:13px;padding:15px 3px;border-bottom:1px solid var(--line)}.history-result{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;font-size:14px}.history-result.good{background:#e9f1e6;color:var(--green)}.history-result.again{background:#f6ebe5;color:var(--rose)}.history-row strong{display:block;font:17px "DM Serif Display",Georgia,serif}.history-row small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.history-row p{color:#7b877f;font-size:11px;margin:7px 0 0}.rating-pill{padding:5px 9px;border:1px solid var(--line);border-radius:15px;color:#748078;font-size:10px}.empty-state{padding:40px 15px;border:1px dashed #d8ded5;border-radius:12px;color:var(--muted);text-align:center}.empty-state span{display:block;color:#c9a854;font-size:22px}.empty-state p{margin:8px 0 0;font-size:12px}.loading-state{min-height:240px;display:grid;align-content:center;justify-items:center;color:var(--muted);font-size:12px}.loader{width:22px;height:22px;border:2px solid #dfe6dd;border-top-color:var(--green);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-panel{padding:24px;border:1px solid #eddbd2;border-radius:10px;background:#fbf1ed;color:#8e5143}.error-panel p{font-size:12px;margin:8px 0 0}@media(max-width:760px){.topbar{height:66px;padding:0 22px}.page-content{width:min(100% - 32px,620px);padding-top:31px}.overview-grid{grid-template-columns:1fr 1fr;margin:25px 0 43px}.progress-card{grid-column:1 / -1}.unit-grid{grid-template-columns:1fr}.login-wrap{min-height:100vh;grid-template-columns:1fr;align-content:start}.login-aside{padding:46px 30px 40px;min-height:280px}.login-aside h1{font-size:44px;margin:15px 0 10px}.login-aside p{font-size:12px;max-width:300px;margin-bottom:0}.login-decoration{display:none}.login-card{margin:25px auto 45px}.welcome-row{align-items:start}.daily-mark{flex:0 0 84px;width:84px;height:78px;font-size:11px}.daily-mark strong{font-size:21px}.lesson-heading{align-items:start}.vocab-list{grid-template-columns:1fr}}@media(max-width:430px){.page-content{width:calc(100% - 26px)}.overview-grid{gap:8px}.overview-card{padding:15px;min-height:126px}.review-count{font-size:19px}.overview-foot{font-size:10px;line-height:1.5}.section-note{display:none}.unit-card{grid-template-columns:33px 1fr 18px;gap:8px;padding:13px}.unit-content strong{font-size:18px}.unit-content>span{font-size:10px}.lesson-progress{font-size:10px}.exercise-card{padding:20px 16px}.exercise-card h2{font-size:23px}.history-row{gap:8px}.rating-pill{padding:4px 6px}}
