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0;font-size:.85rem}.auth-error:empty{display:none}.auth-error-card,.auth-help-card{border:1px solid var(--home-border);background:#fff;border-radius:1rem;padding:1rem}.auth-error-card{background:var(--rose);border-color:var(--rose)}.auth-field-label{color:var(--ink);margin:0 0 .3rem;font-weight:600}@media (max-width:640px){.exam-shell,.exam-shell.exam-shell-wide{padding:1.25rem .9rem 2.5rem}.exam-card{padding:1.25rem}.score-summary{grid-template-columns:repeat(2,1fr)}}@media (min-width:768px){.trainer-page{max-width:600px;padding:40px 32px}}@media (max-width:640px){.exam-shell,.exam-shell.exam-shell-wide{padding:1.25rem .9rem 2.5rem}.exam-card{padding:1.25rem}.score-summary{grid-template-columns:repeat(2,1fr)}}:root{--trainer-ink:#102e35;--trainer-teal:#087f75;--trainer-mint:#ddf5eb;--trainer-paper:#f4f7f5;--trainer-violet:#eae6fc;--trainer-error:#b53645}.trainer-page{background:var(--trainer-paper);border-radius:24px;max-width:480px;padding:32px 20px}.trainer-page h1{color:var(--trainer-ink);font-size:28px;line-height:34px}.trainer-page .eyebrow{color:var(--trainer-teal)}.trainer-page .cta-primary,.trainer-page button:not(.secondary):not(.danger){background:var(--trainer-teal)}.trainer-page .cta-primary:hover,.trainer-page button:not(.secondary):not(.danger):hover{background:var(--trainer-ink)}.trainer-trial-banner{background:var(--trainer-violet);border-color:var(--trainer-violet)}.trainer-progress{color:var(--trainer-teal);font-size:14px;font-weight:700}.trainer-card{text-align:center;background:#fff;border-radius:16px;margin-top:16px;padding:40px 24px;box-shadow:0 8px 24px #102e3514}.trainer-hanzi{font-family:var(--font-noto-sans-sc), var(--font-be-vietnam-pro), system-ui, sans-serif;color:var(--trainer-ink);margin:0 0 8px;font-size:48px;line-height:54px}.trainer-hanzi-sm{font-family:var(--font-noto-sans-sc), var(--font-be-vietnam-pro), system-ui, sans-serif;color:var(--trainer-ink);margin:0 0 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h1{color:var(--tf-ink);margin:0 0 12px;font-size:28px;line-height:34px}.test-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.test-progress{color:var(--tf-ink);opacity:.65;font-size:14px;line-height:20px}.test-card{background:#fff;border-radius:16px;padding:24px;box-shadow:0 8px 24px #102e3514}.test-prompt{margin:0 0 20px;font-size:22px;line-height:28px}.audio-player{background:var(--tf-mint);border-radius:12px;align-items:center;gap:12px;margin-bottom:20px;padding:16px;display:flex}.audio-player audio{flex:auto;min-width:0}.test-options{flex-direction:column;gap:12px;margin-top:4px;display:flex}.test-option{width:100%;min-height:48px;font:inherit;color:var(--tf-ink);text-align:left;cursor:pointer;background:#fff;border:1px solid #dbe7e4;border-radius:12px;align-items:center;padding:12px 16px;font-size:16px;line-height:24px;display:flex}.test-option:hover{border-color:var(--tf-teal)}.test-option:disabled{opacity:.6;cursor:not-allowed}.status-screen{text-align:center;padding:64px 20px}.status-screen .status-title{margin:16px 0 8px;font-size:22px;line-height:28px}.status-screen .status-body{color:var(--tf-ink);opacity:.75;max-width:420px;margin:0 auto 24px}.band-result{text-align:center;padding:8px 0 24px}.band-result .band-number{color:var(--tf-teal);margin:0;font-size:48px;font-weight:800;line-height:54px}.band-result .band-label{opacity:.75;margin:4px 0 0;font-size:16px;line-height:24px}.mapping-note{background:var(--tf-violet);color:var(--tf-ink);border-radius:12px;margin-top:16px;padding:16px;font-size:14px;line-height:20px}.result-sections{flex-direction:column;gap:20px;margin-top:20px;display:flex}.result-tiles{flex-wrap:wrap;gap:12px;margin-top:12px;display:flex}.result-tile{background:var(--tf-mint);text-align:center;border-radius:12px;flex:120px;padding:12px 16px}.result-tile-value{color:var(--tf-teal);font-size:20px;font-weight:700;display:block}.result-tile-label{opacity:.75;margin-top:2px;font-size:13px;display:block}.target-gap select{max-width:220px;margin-top:4px}.share-row{flex-wrap:wrap;gap:12px;margin-top:8px;display:flex}.test-exit{color:var(--tf-ink);opacity:.6;background:0 0;border:none;min-height:44px;padding:0 8px;font-size:14px}.test-exit:hover{opacity:1;background:0 0;text-decoration:underline}@media (max-width:700px){.test-shell{padding:20px 20px 88px}.test-card{padding:20px}}.exam-shell{max-width:640px;margin:auto;padding:2rem 1.25rem 3rem}.exam-shell.exam-shell-wide{max-width:860px}.exam-card{border:1px solid var(--home-border);background:#fff;border-radius:1rem;margin-top:1.25rem;padding:1.75rem}.exam-state{text-align:center;padding:3rem 1.5rem}.exam-state p{color:var(--body-muted)}.exam-checklist{gap:.6rem;margin:1.25rem 0;padding:0;list-style:none;display:grid}.exam-checklist li{color:var(--ink);align-items:baseline;gap:.6rem;display:flex}.exam-checklist .time{color:var(--teal-dark);min-width:4.5rem;font-weight:700}.exam-dev-toggle{border-top:1px dashed var(--home-border);margin-top:1.5rem;padding-top:1.25rem}.exam-dev-toggle p{color:var(--body-muted);font-size:.8rem}.exam-header{z-index:5;border-bottom:1px solid var(--home-border);background:#fff;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 1.25rem;display:flex;position:sticky;top:0}.exam-header .section-label{color:var(--ink);font-weight:700}.exam-timer{font-variant-numeric:tabular-nums;background:var(--teal-tint);color:var(--teal-dark);border-radius:.6rem;padding:.35rem .8rem;font-size:1.1rem;font-weight:800}.exam-timer.exam-timer-low{color:#b91c1c;background:#fef2f2}.exam-progress-bar{background:var(--home-border);border-radius:999px;height:6px;margin:0 1.25rem;overflow:hidden}.exam-progress-bar>span{background:var(--teal);height:100%;transition:width .2s;display:block}.exam-question{margin:1.5rem 0}.exam-question .q-index{color:var(--teal-dark);font-size:.85rem;font-weight:700}.exam-question .q-prompt{color:var(--ink);margin:.5rem 0 1rem;font-size:1.15rem}.exam-options{gap:.6rem;padding:0;list-style:none;display:grid}.exam-options label{border:1.5px solid var(--home-border);cursor:pointer;border-radius:.7rem;align-items:center;gap:.7rem;margin:0;padding:.8rem 1rem;font-weight:400;display:flex}.exam-options input{flex:none;width:18px;height:18px;margin:0}.exam-options label:has(input:checked){border-color:var(--teal);background:var(--teal-tint)}.exam-footer{border-top:1px solid var(--home-border);background:#fff;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;display:flex;position:sticky;bottom:0}.exam-section-banner{text-align:center;padding:2.5rem 1.5rem}.exam-section-banner h2{color:#b91c1c}dialog.exam-dialog{border:none;border-radius:1rem;width:calc(100% - 2.5rem);max-width:420px;padding:1.75rem;box-shadow:0 20px 45px #0000002e}dialog.exam-dialog::backdrop{background:#0f171473}.exam-dialog .row{justify-content:flex-end;margin-top:1.5rem}.score-summary{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;margin:1.25rem 0;display:grid}.score-tile{background:var(--teal-tint);text-align:center;border-radius:.8rem;padding:1.1rem}.score-tile .score-value{color:var(--teal-dark);font-size:1.6rem;font-weight:800;display:block}.score-tile .score-label{color:var(--body-muted);font-size:.85rem}.review-item{border:1px solid var(--home-border);border-radius:.8rem;margin-top:.9rem;padding:1rem 1.25rem}.review-item .given{color:#b91c1c}.review-item .correct{color:var(--teal-dark);font-weight:700}.weak-word-list{gap:.7rem;padding:0;list-style:none;display:grid}.weak-word-list li{border:1px solid var(--home-border);border-radius:.7rem;justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 1.1rem;display:flex}.weak-word-list .hanzi{color:var(--ink);font-size:1.3rem;font-weight:700}.weak-word-list .gloss{color:var(--body-muted);font-size:.9rem}@media (max-width:640px){.exam-shell,.exam-shell.exam-shell-wide{padding:1.25rem .9rem 2.5rem}.exam-card{padding:1.25rem}.score-summary{grid-template-columns:repeat(2,1fr)}}.pay-page{background:var(--cream);max-width:480px;min-height:100vh;margin:auto;padding:2.5rem 1.25rem 4rem}.pay-header{margin-bottom:1.5rem}.pay-header .brand{color:var(--ink)}.pay-card{flex-direction:column;gap:1.25rem;display:flex}.pay-card h1{color:var(--ink);margin:0;font-size:1.7rem}.pay-price-card{padding:1.5rem}.pay-feature-list{flex-direction:column;gap:.6rem;margin:0;padding:0;list-style:none;display:flex}.pay-feature-list li{border:1px solid var(--home-border);color:var(--ink);background:#fff;border-radius:.75rem;padding:.75rem 1rem;font-size:.92rem}.pay-method-list{flex-direction:column;gap:.75rem;display:flex}.pay-method-card{text-align:left;border:1.5px solid var(--home-border);width:100%;font:inherit;color:var(--ink);cursor:pointer;background:#fff;border-radius:1rem;min-height:48px;padding:1rem 1.25rem;font-weight:600}.pay-method-card:hover{border-color:var(--teal);background:var(--teal-tint)}.pay-instructions{flex-direction:column;align-items:center;gap:1.25rem;display:flex}.pay-qr{border-radius:1rem;max-width:100%;height:auto}.pay-detail-list{flex-direction:column;gap:.6rem;width:100%;margin:0;display:flex}.pay-detail-list>div{border:1px solid var(--home-border);background:#fff;border-radius:.75rem;justify-content:space-between;gap:1rem;padding:.75rem 1rem;display:flex}.pay-detail-list dt{color:var(--body-muted);margin:0;font-size:.85rem}.pay-detail-list dd{color:var(--ink);overflow-wrap:anywhere;text-align:right;margin:0;font-weight:700}@media (max-width:480px){.pay-detail-list>div{flex-direction:column;gap:.2rem}.pay-detail-list dd{text-align:left}}@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}