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17px;place-items:center;width:42px;height:42px;font-weight:900;display:grid}.grammar-card-toggle h2{margin:0;font-size:17px}.grammar-card-toggle p{color:var(--muted);margin:3px 0 0;font-size:11px}.grammar-card-toggle>.material-symbols-outlined{color:var(--red)}.grammar-card-body{padding:0 17px 18px}.grammar-explanation{background:#fff5dd;border-radius:13px;padding:14px}.grammar-explanation p{color:#59413f;margin:3px 0 0;font-size:13px;line-height:1.85}.grammar-examples{gap:9px;margin-top:13px;display:grid}.grammar-example{border:1px solid var(--line);background:#fff;border-radius:13px;grid-template-columns:27px 1fr 34px;align-items:start;gap:9px;padding:13px 10px;display:grid}.example-number{width:25px;height:25px;color:var(--red);background:var(--red-soft);border-radius:50%;place-items:center;font-size:10px;font-weight:900;display:grid}.grammar-example p{margin:0 0 4px}.grammar-example .font-chinese{font-size:16px;font-weight:700}.grammar-example .pinyin{color:var(--red);font-size:11px;line-height:1.6}.grammar-example .example-my{color:var(--muted);font-size:12px;line-height:1.7}.grammar-example .audio-lantern-button{border-radius:9px;width:32px;height:34px}.grammar-example .audio-lantern-button:before,.grammar-example .audio-lantern-button:after{display:none}.grammar-example .audio-lantern-button svg{width:16px;height:16px}.characters-layout{gap:16px;margin-top:22px;display:grid}.hanzi-practice-card{border:1px solid var(--line);background:#fff;border-radius:20px;padding:17px;box-shadow:0 9px 28px #48281c12}.practice-mode-tabs{background:#eee5e0;border-radius:14px;grid-template-columns:1fr 1fr;gap:6px;padding:5px;display:grid}.practice-mode-tabs button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:9px;font-size:12px;font-weight:800;display:flex}.practice-mode-tabs button.is-active{color:#fff;background:var(--red)}.practice-mode-tabs .material-symbols-outlined{font-size:18px}.practice-mode-tabs svg{width:18px;height:18px}.tian-grid{aspect-ratio:1;background:linear-gradient(45deg,#0000 49.7%,#ae282c33,#0000 50.3%),linear-gradient(-45deg,#0000 49.7%,#ae282c33,#0000 50.3%),linear-gradient(90deg,#0000 49.7%,#ae282c38,#0000 50.3%),linear-gradient(#0000 49.7%,#ae282c38,#0000 50.3%),#fffdf9;border:2px solid #d96c67;border-radius:12px;width:min(100%,340px);margin:18px auto;position:relative;overflow:hidden}.hanzi-writer-container{touch-action:none;width:100%;height:100%;position:absolute;top:0;right:0;bottom:0;left:0}.hanzi-writer-container svg{max-width:100%;max-height:100%;display:block}.practice-status{min-height:39px;color:var(--muted);background:#f8f3ee;border-radius:10px;align-items:center;gap:7px;padding:9px 11px;font-size:11px;display:flex}.practice-status .material-symbols-outlined{color:var(--red);font-size:18px}.practice-status svg{width:18px;height:18px;color:var(--forest-primary);flex:none}.practice-status strong{color:var(--red);margin-left:auto}.practice-primary-button,.practice-secondary-button{cursor:pointer;border-radius:13px;justify-content:center;align-items:center;gap:7px;width:100%;min-height:47px;margin-top:12px;font-weight:900;display:flex}.practice-primary-button{color:#fff;border:2px solid var(--gold-light);background:var(--red)}.practice-secondary-button{color:var(--red);border:2px solid var(--gold);background:#fff8e8}.practice-primary-button svg,.practice-secondary-button svg{width:18px;height:18px}.character-details{gap:8px;display:grid}.character-info-card{text-align:center;border-top:4px solid var(--red);border-radius:19px;padding:21px}.character-info-heading{justify-content:center;align-items:center;gap:16px;display:flex}.character-info-heading>span{color:var(--red);font-size:72px;font-weight:800;line-height:1}.character-info-heading .audio-lantern-button{width:38px;height:42px}.character-pinyin{margin:10px 0 1px;font-size:22px;font-weight:800}.character-meaning{color:var(--muted);margin:5px 0 12px;line-height:1.7}.stroke-badge{color:#7d5609;background:#fff0c7;border-radius:999px;padding:4px 11px;font-size:11px;font-weight:900;display:inline-flex}.character-words{border-top:1px solid var(--line);text-align:left;margin-top:17px;padding-top:14px}.character-words>div{flex-wrap:wrap;gap:6px;display:flex}.character-words>div span{border:1px solid var(--line);background:#fff;border-radius:9px;padding:6px 9px;font-size:12px}.mastered-count{color:var(--muted);text-align:center;margin:0;font-size:11px}.character-picker{margin-top:25px}.character-grid{grid-template-columns:repeat(6,1fr);gap:7px;margin-top:12px;display:grid}.character-grid button{aspect-ratio:.9;border:1px solid var(--line);min-width:0;color:var(--ink);cursor:pointer;background:#fff;border-radius:11px;place-content:center;gap:1px;display:grid;position:relative}.character-grid button strong{font-size:21px}.character-grid button span{color:var(--muted);font-size:8px}.character-grid button.is-active{color:#fff;border-color:var(--gold-light);background:var(--red);box-shadow:0 5px 12px #ae282c33}.character-grid button.is-active span{color:#ffe9c1}.character-grid button.is-mastered:after{content:"✓";color:var(--gold);font-size:9px;font-weight:900;position:absolute;top:2px;right:4px}.dialogue-scene-grid{gap:12px;margin-top:23px;display:grid}.dialogue-scene-card{border:1px solid var(--line);background:#fff;border-radius:19px;grid-template-columns:32px 52px 1fr 24px;align-items:center;gap:11px;min-height:112px;padding:17px;display:grid;position:relative;overflow:hidden;box-shadow:0 6px 20px #49281d0f}.dialogue-scene-card:after{content:"";background:linear-gradient(90deg,var(--red),var(--gold));height:4px;position:absolute;inset:auto 0 0}.scene-number{color:var(--gold);align-self:start;font-size:11px;font-weight:900}.scene-icon{width:50px;height:54px;color:var(--red);border:1.5px solid var(--gold);background:#fff8e8;border-radius:45% 45% 50% 50%/35% 35% 60% 60%;place-items:center;font-size:25px;display:grid}.dialogue-scene-card h2{margin:0;font-size:18px}.dialogue-scene-card p{color:var(--muted);margin:4px 0;font-size:12px;line-height:1.6}.dialogue-scene-card small{color:var(--red);font-size:9px;font-weight:800}.dialogue-scene-card>.material-symbols-outlined:last-child{color:var(--muted)}.dialogue-detail{width:min(100%,820px);margin:0 auto;padding:24px 18px 48px}.dialogue-detail-heading{grid-template-columns:40px 1fr auto;align-items:start;gap:12px;display:grid}.dialogue-detail-heading h1{margin:0;font-size:29px}.dialogue-detail-heading p:last-child{color:var(--muted);margin:5px 0 0;font-size:12px}.play-dialogue-button{color:#fff;border:2px solid var(--gold-light);background:var(--red);cursor:pointer;border-radius:12px;align-items:center;gap:5px;padding:9px 11px;font-size:10px;font-weight:900;display:flex}.play-dialogue-button .material-symbols-outlined{font-size:20px}.play-dialogue-button.is-playing{background:var(--red-dark)}.dialogue-turn-list{gap:14px;margin-top:23px;display:grid}.dialogue-turn{grid-template-columns:38px minmax(0,1fr);align-items:start;gap:9px;display:grid}.dialogue-turn.speaker-b{grid-template-columns:minmax(0,1fr) 38px}.dialogue-turn.speaker-b .speaker-avatar{grid-column:2}.dialogue-turn.speaker-b .speech-bubble{background:#fff8e8;border-color:#ecd497;grid-area:1/1}.speaker-avatar{color:#fff;border:2px solid var(--gold-light);background:var(--red);border-radius:45% 45% 50% 50%/35% 35% 60% 60%;place-items:center;width:38px;height:42px;font-weight:900;display:grid}.speaker-b .speaker-avatar{color:#724d04;background:var(--gold-light);border-color:#fff}.speech-bubble{border:1px solid var(--line);background:#fff;border-radius:4px 17px 17px;padding:14px;transition:all .2s}.speaker-b .speech-bubble{border-radius:17px 4px 17px 17px}.dialogue-turn.is-active .speech-bubble{border-color:var(--red);transform:translateY(-1px);box-shadow:0 0 0 3px #ae282c1a}.turn-toolbar{justify-content:space-between;align-items:center;display:flex}.turn-toolbar>span{color:var(--red);font-size:9px;font-weight:900}.turn-toolbar .audio-lantern-button{border-radius:9px;width:31px;height:33px}.turn-toolbar .audio-lantern-button:before,.turn-toolbar .audio-lantern-button:after{display:none}.turn-toolbar .audio-lantern-button svg{width:16px;height:16px}.dialogue-turn p{margin:2px 0}.dialogue-turn .turn-zh{font-size:17px;font-weight:700;line-height:1.6}.dialogue-turn .pinyin{color:var(--red);font-size:11px;line-height:1.7}.dialogue-turn .turn-my{color:var(--muted);font-size:12px;line-height:1.75}.curriculum-map-wrap{width:min(100%,560px);margin:22px auto 0}.map-level-tabs{z-index:12;border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#eee5e0f2;border-radius:15px;grid-template-columns:repeat(3,1fr);gap:6px;padding:5px;display:grid;position:sticky;top:78px}.map-level-tabs button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:11px;padding:9px 3px;font-size:12px;font-weight:900}.map-level-tabs button small{margin-top:1px;font-size:8px;display:block}.map-level-tabs button.is-active{color:#fff;background:var(--red)}.map-canvas{border:1px solid var(--line);background-color:#fffaf2;background-image:radial-gradient(#d99b2b1f 1px,#0000 1px);background-size:18px 18px;border-radius:25px;min-height:520px;margin-top:8px;position:relative;overflow:hidden}.map-pattern-path{width:100%;height:100%;position:absolute;top:0;right:0;bottom:0;left:0;overflow:visible}.map-pattern-path path{fill:none;stroke-linecap:round}.map-path-shadow{stroke:#ae282c1c;stroke-width:20px}.map-path-pattern{stroke-width:14px}.map-unit-node{z-index:2;text-align:center;justify-items:center;gap:4px;width:88px;display:grid;position:absolute;transform:translate(-50%)}.map-node-icon{border:3px solid #fff;border-radius:47% 47% 52% 52%/37% 37% 60% 60%;place-items:center;width:62px;height:66px;font-size:28px;display:grid;box-shadow:0 7px 15px #49281d26}.map-unit-node.is-completed .map-node-icon{color:#704b00;background:var(--gold-light);border-color:#fff}.map-unit-node.is-current .map-node-icon{color:#fff;border-color:var(--gold-light);background:var(--red);animation:1.8s ease-in-out infinite map-pulse;box-shadow:0 0 0 7px #ae282c1a,0 9px 22px #ae282c4d}@keyframes map-pulse{50%{transform:translateY(-3px);box-shadow:0 0 0 11px #ae282c0d,0 12px 25px #ae282c59}}.map-unit-node.is-locked{opacity:.55}.map-unit-node.is-locked .map-node-icon{color:#806f69;box-shadow:none;background:#e8dfda}.map-node-label{background:#fffffff0;border:1px solid #d99b2b66;border-radius:8px;width:128px;padding:5px 7px;box-shadow:0 3px 9px #4623190f}.map-node-label strong,.map-node-label small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.map-node-label strong{font-size:10px}.map-node-label small{color:var(--muted);font-size:7px}.map-node-stars{color:var(--gold);letter-spacing:-1px;font-size:10px}.quiz-page{width:min(100%,720px)}.quiz-header{grid-template-columns:40px 1fr 56px;align-items:center;gap:13px;display:grid}.quiz-progress{align-items:center;gap:8px;display:flex}.quiz-progress .progress-track{background:#e9ddd8;flex:1;margin:0}.quiz-progress .progress-track span{background:var(--red)}.quiz-progress small{color:var(--muted);white-space:nowrap;font-size:10px;font-weight:800}.quiz-hearts{color:var(--red);justify-content:end;align-items:center;gap:3px;font-weight:900;display:flex}.quiz-hearts .material-symbols-outlined{font-size:21px}.quiz-card{border:1px solid var(--line);background:#fff;border-radius:23px;margin-top:34px;padding:24px;box-shadow:0 13px 35px #48261c17}.quiz-type{color:var(--red);background:var(--red-soft);border-radius:999px;padding:5px 9px;font-size:10px;font-weight:900;display:inline-flex}.quiz-card h1{margin:17px 0 22px;font-size:clamp(20px,5vw,28px);line-height:1.6}.quiz-options{gap:10px;display:grid}.quiz-options button{text-align:left;min-height:56px;color:var(--ink);border:1.5px solid var(--line);cursor:pointer;background:#fff;border-radius:14px;grid-template-columns:34px 1fr;align-items:center;gap:10px;padding:10px 14px;display:grid}.quiz-options button>span{width:31px;height:31px;color:var(--red);background:var(--red-soft);border-radius:50%;place-items:center;font-weight:900;display:grid}.quiz-options button.is-selected{border-color:var(--red);background:#fff5f2;box-shadow:0 0 0 3px #ae282c14}.quiz-input-answer{gap:16px;display:grid}.quiz-listening-button{color:var(--muted);background:#fff8e8;border-radius:15px;flex-direction:column;align-items:center;gap:9px;padding:20px;font-size:10px;display:flex}.quiz-listening-button .audio-lantern-button{width:64px;height:70px}.quiz-input-answer label span{color:var(--muted);margin-bottom:7px;font-size:11px;font-weight:800;display:block}.quiz-input-answer input{border:1.5px solid var(--line);border-radius:13px;outline:none;width:100%;height:52px;padding:0 14px;font-size:18px}.quiz-input-answer input:focus{border-color:var(--red);box-shadow:0 0 0 3px #ae282c14}.quiz-feedback{color:#8b4f00;background:#fff2cd;border-radius:10px;margin:14px 0 0;padding:10px 12px;font-size:11px;font-weight:800}.quiz-feedback.is-correct{color:#1d7042;background:#e9f7ed}.quiz-submit{color:#fff;border:2px solid var(--gold-light);background:var(--red);cursor:pointer;border-radius:14px;width:100%;min-height:51px;margin-top:17px;font-weight:900}.quiz-submit:disabled{cursor:not-allowed;background:#aaa;border-color:#ccc}.quiz-finished{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:72vh;display:flex}.completion-lantern{color:#fff;border:4px solid var(--gold-light);background:var(--red);border-radius:45% 45% 50% 50%/35% 35% 60% 60%;place-items:center;width:82px;height:90px;display:grid;box-shadow:0 12px 30px #ae282c40}.completion-lantern .material-symbols-outlined{font-size:42px}.quiz-finished h1{margin:6px 0}.quiz-finished>p:not(.eyebrow){color:var(--muted)}.completion-stars{color:#ddd0ca;gap:6px;margin:13px 0;font-size:35px;display:flex}.completion-stars span.is-earned{color:var(--gold);text-shadow:0 3px 7px #d99b2b40}.quiz-finished .practice-primary-button{max-width:340px}.profile-page{max-width:720px}.profile-account-card{text-align:center;border-radius:22px;margin-top:24px;padding:28px 22px}.profile-avatar{color:#fff;border:3px solid var(--gold-light);background:var(--red);border-radius:45% 45% 50% 50%/35% 35% 60% 60%;place-items:center;width:78px;height:82px;margin:0 auto 12px;display:grid;overflow:hidden}.profile-avatar img{object-fit:cover;width:100%;height:100%}.profile-avatar .material-symbols-outlined{font-size:38px}.profile-account-card h2{margin:5px 0}.profile-account-card>p{color:var(--muted);margin:5px 0 16px;font-size:12px}.cloud-account-status{color:#277149;align-items:center;gap:6px;margin:6px 0 17px;font-size:10px;font-weight:800;display:inline-flex}.cloud-account-status i{background:#2f9d63;border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 3px #2f9d6321}.profile-account-card .practice-primary-button{max-width:360px;margin-inline:auto}.google-login-button{min-height:50px;color:var(--ink);border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:13px;justify-content:center;align-items:center;gap:10px;padding:0 22px;font-weight:800;display:inline-flex;box-shadow:0 5px 17px #41231914}.google-login-button>span{color:#fff;background:#4285f4;border-radius:50%;place-items:center;width:25px;height:25px;font-weight:900;display:grid}.google-login-button:disabled{opacity:.55;cursor:wait}.profile-signout{color:var(--muted);cursor:pointer;background:0 0;border:0;margin-top:12px;padding:8px 12px;font-size:11px;text-decoration:underline}.profile-message{color:var(--red)!important}.profile-stats{border:1px solid var(--line);background:#fff;border-radius:17px;grid-template-columns:repeat(3,1fr);margin-top:15px;display:grid}.profile-stats div{text-align:center;padding:16px 5px}.profile-stats div+div{border-left:1px solid var(--line)}.profile-stats strong,.profile-stats span{display:block}.profile-stats strong{color:var(--red);font-size:21px}.profile-stats span{color:var(--muted);font-size:9px}.profile-row-status{color:#9a6d52;margin:8px 0 16px;font-size:11px;display:block}.profile-row-status.ready{color:#33895b}.admin-page{max-width:1040px}.admin-gate{text-align:center;max-width:560px;margin:48px auto;padding:34px 28px}.admin-gate h1{margin:6px 0 10px}.admin-gate>p:not(.eyebrow){color:var(--muted)}.admin-gate .google-login-button{max-width:360px;margin:22px auto 8px}.admin-password-form{text-align:left;gap:15px;max-width:360px;margin:24px auto 0;display:grid}.admin-password-form label,.admin-ad-form label{color:#624a3d;gap:6px;font-size:12px;font-weight:700;display:grid}.admin-password-form input,.admin-ad-form input,.admin-ad-form select{color:#3c2d25;min-height:44px;font:inherit;background:#fffdf9;border:2px solid #f0d7c4;border-radius:14px;padding:10px 12px}.admin-refresh{cursor:pointer;background:#ffe0a6;border:2px solid #fff;border-radius:16px;align-self:center;margin-left:auto;padding:10px 16px;box-shadow:0 3px #e9b664}.admin-stats-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0;display:grid}.admin-stats-grid article{background:#fff5df;border:2px solid #fff;border-radius:20px;padding:18px;box-shadow:0 5px 14px #63432a1a}.admin-stats-grid span,.admin-stats-grid strong{display:block}.admin-stats-grid span{color:var(--muted);font-size:11px}.admin-stats-grid strong{color:#e86d3c;margin-top:5px;font-size:28px}.admin-section{margin-top:18px;padding:24px}.admin-section h2{margin:0 0 16px}.admin-table-wrap{overflow-x:auto}.admin-table-wrap table{border-collapse:collapse;width:100%;min-width:700px}.admin-table-wrap th,.admin-table-wrap td{text-align:left;border-bottom:1px solid #f0e1d6;padding:11px 9px;font-size:12px}.admin-actions{gap:6px;display:flex}.admin-actions button,.admin-ad-list 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