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0;font-size:14px;font-weight:850}.settings-panel form{padding:0 0 18px}.settings-grid{gap:14px;display:grid}.settings-grid label{color:#34483c;gap:6px;font-size:12px;font-weight:800;display:grid}.settings-grid input,.settings-grid select{background:#fff;border:1px solid #cbd4ca;border-radius:12px;width:100%;min-height:46px;padding:0 11px;font-size:16px}.settings-grid .toggle-label{grid-template-columns:auto 1fr;align-items:center}.settings-grid .toggle-label input{width:22px;min-height:22px}.settings-message{color:var(--forest);margin:12px 0 0;font-size:12px;font-weight:750}.save-settings{width:100%;margin-top:14px}.page-loading{text-align:center;color:var(--muted);padding:70px 18px;font-size:14px}.main-nav{z-index:50;min-height:68px;padding:7px max(8px,env(safe-area-inset-left)) max(7px,env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f9faf6f5;border-top:1px solid #d8ded7;grid-template-columns:repeat(4,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.main-nav a{color:#69756d;border-radius:12px;place-items:center;min-height:44px;font-size:11px;font-weight:800;display:grid}.main-nav a.is-active{color:var(--forest);background:#e1ece4}.study-page{background:linear-gradient(#f7f8f4 0%,#edf1eb 100%);min-height:100vh}.study-shell{width:min(680px,100%);margin:0 auto;padding:20px 14px 44px}.session-setup,.empty-session,.session-summary{border:1px solid var(--line);background:#fff;border-radius:23px;padding:24px 19px;box-shadow:0 12px 34px #1b2c2112}.session-setup h1,.empty-session h1,.session-summary h1{letter-spacing:-.045em;margin:0 0 20px;font:600 clamp(35px,10vw,51px)/.96 Georgia,serif}.session-setup label{color:#34483c;gap:7px;margin-top:14px;font-size:12px;font-weight:850;display:grid}.session-setup select{background:#fff;border:1px solid #cbd4ca;border-radius:13px;min-height:50px;padding:0 12px;font-size:16px}.session-setup 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#c9d9ce;border-radius:20px;margin-top:14px;padding:18px}.answer-feedback.is-wrong{border-color:#e6c7ba}.answer-result{color:#14633f;margin:0 0 12px;font-size:15px;font-weight:900}.is-wrong .answer-result{color:#a14326}.wrong-detail{gap:8px;margin-bottom:16px;display:grid}.wrong-detail p{background:#f8ece7;border-radius:11px;margin:0;padding:10px 12px;font-size:13px;line-height:1.35}.wrong-detail p:last-child{background:#e8f3ea}.wrong-detail span{color:#7b665f;text-transform:uppercase;letter-spacing:.1em;margin-bottom:3px;font-size:9px;font-weight:900;display:block}.answer-feedback h1{color:#102a50;letter-spacing:-.055em;overflow-wrap:anywhere;margin:0;font-size:clamp(43px,13vw,64px);line-height:.9}.revealed-meta{color:#50675a;align-items:center;gap:10px;margin:11px 0 0;display:flex}.revealed-meta span{color:#17355e;font-family:Georgia,serif}.revealed-meta i{font-size:14px}.pronunciation-row{gap:9px;margin:14px 0;display:flex}.pronunciation-row 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10px;font-size:13px;line-height:1.4}.audio-message button{color:#245438;font:inherit;cursor:pointer;background:0 0;border:0;margin-left:6px;font-weight:800;text-decoration:underline}.audio-disclosure button{color:#245438;font:inherit;cursor:pointer;background:0 0;border:0;margin-left:4px;padding:0;font-weight:800;text-decoration:underline}.vocabulary-card-shell{min-width:0}.vocabulary-card-shell .dictionary-audio{margin:13px 2px 0}.dictionary-audio{gap:5px;display:grid}.dictionary-audio-buttons{flex-wrap:wrap;gap:8px;display:flex}.dictionary-audio button{min-height:42px;color:var(--forest);cursor:pointer;background:#e9f2ea;border:1px solid #c6d5c9;border-radius:12px;padding:0 13px;font-size:12px;font-weight:850}.dictionary-audio button:disabled{opacity:.5;cursor:not-allowed}.dictionary-audio small{color:#66756b;font-size:11px;line-height:1.4}.dictionary-audio.is-compact button{min-height:38px;padding-inline:11px}.dictionary-filters{width:min(620px,100%);padding:0 max(var(--home-gutter),env(safe-area-inset-left));grid-template-columns:1fr 1fr;gap:9px;margin:-24px auto 29px;display:grid}.dictionary-filters label{color:#5e6e63;gap:4px;min-width:0;font-size:11px;font-weight:850;display:grid}.dictionary-filters select{width:100%;min-width:0;min-height:44px;color:var(--ink);background:#fff;border:1px solid #cfd6cd;border-radius:12px;padding:0 9px;font-size:13px}.dictionary-load-more{width:min(430px,100% - 36px);min-height:48px;color:var(--forest);cursor:pointer;background:#e6efe8;border:1px solid #b9d0c0;border-radius:14px;margin:-20px auto 46px;font-size:14px;font-weight:850;display:block}.word-masthead .dictionary-audio{margin-top:16px}.owner-audio-shell{max-width:1050px;margin:0 auto;padding:0 14px 24px}.custom-audio-upload{border:1px solid var(--line);background:#fff;border-radius:17px;gap:10px;padding:18px;display:grid}.custom-audio-upload h2{margin:0;font-size:18px}.custom-audio-upload p{color:var(--muted);margin:0;font-size:13px;line-height:1.45}.custom-audio-upload label{gap:5px;font-size:12px;font-weight:800;display:grid}.custom-audio-upload input{border:1px solid var(--line);border-radius:10px;max-width:100%;min-height:44px;padding:8px}.custom-audio-upload button{background:var(--forest);color:#fff;border:0;border-radius:11px;min-height:44px;font-weight:850}.custom-audio-upload button:disabled{opacity:.6}.custom-audio-upload small{color:#7a4c22;font-size:12px}@media (max-width:390px){.dictionary-filters{grid-template-columns:1fr 1fr}.dictionary-filters select{font-size:12px}}.session-setup .primary-action:disabled{opacity:.62;cursor:wait}.question-example{background:#edf4ec;border:1px solid #d4e0d5;border-radius:14px;align-items:center;gap:10px;margin-top:10px;padding:10px 12px;display:flex}.question-example p{color:#294b37;flex:1;min-width:0;margin:0;font-size:15px;font-weight:720;line-height:1.35}.question-example button{min-width:60px;min-height:44px;color:var(--forest);cursor:pointer;background:#fff;border:1px solid #b7ceb9;border-radius:11px;flex:none;padding:0 9px;font-size:12px;font-weight:850}.question-example button:disabled{opacity:.5;cursor:not-allowed}.question-example strong,.revealed-example strong{font-weight:900}@media (max-width:639px){.study-shell{padding:10px 12px 34px}.quiz-card.is-question{height:calc(100vh - 150px - env(safe-area-inset-bottom));height:calc(100dvh - 150px - env(safe-area-inset-bottom));flex-direction:column;display:flex}.quiz-progress{margin-bottom:6px}.quiz-image{aspect-ratio:auto;border-radius:17px;height:clamp(180px,27dvh,250px);max-height:none}.quiz-card.is-question .quiz-image{flex:1 1 0;height:0;min-height:150px}.question-example{gap:7px;margin-top:8px;padding:8px 10px}.question-example p{font-size:14px;line-height:1.25}.question-example button{min-width:52px}.choice-section h1{margin:10px 2px 8px;font-size:20px}.answer-list{gap:6px}.answer-list button{border-radius:11px;min-height:47px;padding:8px 11px;font-size:14px;line-height:1.2}}@media (max-width:639px) and (max-height:720px){.study-shell{padding-top:7px}.quiz-image{height:clamp(155px,25dvh,175px)}.question-example p{font-size:13px;line-height:1.2}.choice-section h1{margin:8px 2px 6px;font-size:18px}.answer-list button{min-height:43px;padding:7px 10px;font-size:13px}}@media (max-width:350px) and (max-height:620px){.quiz-card.is-question .quiz-image{min-height:110px}.question-example{padding:5px 8px}.question-example p{font-size:12px}.choice-section h1{margin:6px 2px 5px;font-size:17px}.answer-list button{min-height:39px;padding:5px 8px;font-size:12px}}.sign-in-page{background:linear-gradient(#f7f8f4,#eaf1e9);min-height:100dvh;padding:26px 18px 48px}.sign-in-page>.site-brand{margin:0 auto 42px;display:inline-flex}.sign-in-card{border:1px solid var(--line);background:#fff;border-radius:24px;width:min(450px,100%);margin:0 auto;padding:27px 22px;box-shadow:0 14px 40px #19302014}.sign-in-card h1{letter-spacing:-.045em;margin:5px 0 12px;font:600 clamp(34px,10vw,45px)/1 Georgia,serif}.sign-in-card>p:not(.kicker){color:var(--muted);margin:0 0 23px;font-size:14px;line-height:1.5}.sign-in-form{gap:15px;margin-bottom:24px;display:grid}.sign-in-form form{gap:10px;display:grid}.sign-in-form label{color:#314739;font-size:13px;font-weight:800}.sign-in-form input{width:100%;min-height:48px;color:var(--ink);background:#fff;border:1px solid #cbd4ca;border-radius:12px;padding:10px 13px;font-size:16px}.sign-in-form input:focus{border-color:#4a956f;outline:3px solid #4a956f2e}.sign-in-form button{background:var(--forest);color:#fff;cursor:pointer;border:0;border-radius:12px;min-height:48px;font-size:14px;font-weight:850}.sign-in-form button:disabled{opacity:.65;cursor:wait}.sign-in-form .sign-in-secondary{min-height:40px;color:var(--forest);background:0 0}.sign-in-message{color:#7a4c22;margin:0;font-size:13px;line-height:1.4}.sign-in-card>.back-link{font-size:13px}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@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}