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h3{font-size:35px}.category-tags{margin-top:4px}.recall-hint{margin-top:8px;padding-block:8px}.card-bottom{padding-block:5px}.stats-strip{margin-bottom:12px}}.frequency-badge{display:flex;align-items:center;gap:7px;font-size:11px;font-weight:800;margin-top:3px;color:var(--muted)}.star-rating{display:inline-flex;color:#916006;font-size:14px;letter-spacing:1px;white-space:nowrap;line-height:1.4}.empty-stars{color:#837078}.frequency-detail{background:#fff3c7;border:1px solid #d8bd70;border-radius:12px;padding:12px;margin:16px 0;font-size:12px}.frequency-detail>.star-rating{margin-right:8px}.frequency-detail p{margin:8px 0 0;color:var(--muted);font-size:11px}.frequency-guide{border:2px solid var(--ink);border-radius:16px;background:#fff3c7;padding:16px 18px;margin:16px 0;font-size:12px}.frequency-guide strong{font-size:14px}.frequency-guide p{margin:8px 0 0}.frequency-help{margin:12px 0}.frequency-help summary{cursor:pointer;min-height:44px;display:list-item;padding:12px;font-size:12px;font-weight:800}.word-name>.frequency-badge{margin:4px 0}.card-top .frequency-badge{margin-top:5px}.star-select{min-width:0}@media(max-width:640px){.card-top .star-rating{font-size:13px}.frequency-guide{padding:12px}.frequency-detail{padding:10px}}.card-top>div>span:first-child{font-size:11px;font-weight:800;color:var(--muted);line-height:1.6}@media(max-width:700px){.toolbar-title select{flex-basis:calc(50% - 6px);width:calc(50% - 6px)}.card-top .frequency-badge{display:inline-flex;margin:0 0 0 6px}.card-top .frequency-badge>span:last-child{display:none}.card-top>div>span:first-child{font-size:9px}.flashcard{min-height:250px}.study-note{font-size:10px}.card-top{min-height:31px}}@media(max-width:700px){.toolbar-title select:last-child{flex-basis:calc(50% - 6px)}}@media(max-width:700px)and (max-height:820px){.flashcard{min-height:240px}}.difficulty-badge{display:inline-block;border:1px solid #d5c4eb;border-radius:999px;padding:3px 9px;font-size:11px;line-height:1.4;color:#594365;background:#f0e7fa}.difficulty-bridge{background:#fff0cf;border-color:#e6cd92;color:#725719}.difficulty-foundation{background:#eaf0e9;border-color:#cbd8c6;color:#4b6244}.difficulty-guide{font-size:13px;line-height:1.7;color:var(--muted)}.difficulty-guide a{color:var(--accent);text-decoration:underline}.study-secondary{flex-wrap:wrap}.study-secondary .skip-word{color:#a23b6c}.study-secondary button{min-height:44px}@media(max-width:700px){.study-secondary{gap:2px 12px}.study-secondary>span{flex-basis:100%;text-align:center}.difficulty-guide{font-size:12px}}