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8px}.preference-list{gap:0;padding-top:4px;padding-bottom:4px}.preference{min-height:58px;color:var(--ink);text-align:left;background:0 0;border:0;justify-content:space-between;align-items:center;padding:8px 2px;display:flex}.preference+.preference{border-top:1px solid var(--line)}.preference span{gap:4px;display:grid}.preference strong{font-size:12px}.preference small{color:var(--muted);font-size:9px}.preference svg{color:var(--orange)}.config-actions{gap:9px;display:grid}.privacy-note{color:#918a84;text-align:center;font-size:10px}.practice-screen{min-height:calc(100% - 20px);padding-bottom:calc(var(--mobile-safe-area-height) + 94px);background:#fff;align-content:start;gap:18px;display:grid}.practice-progress{grid-template-columns:auto 1fr auto;align-items:center;gap:10px;display:grid}.practice-progress>span{color:var(--orange-dark);font-size:12px;font-weight:800}.practice-progress button{width:40px;height:40px;color:var(--orange);background:0 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var(--line);border-radius:16px;gap:12px;padding:15px;display:grid}.result-card.correct{background:#f3fbf7;border-color:#c7ead8}.result-card.wrong{background:#fff7f6;border-color:#f1cac6}.result-card.pending{background:#faf8ff;border-color:#ddd3fa}.result-title{align-items:center;gap:8px;display:flex}.result-title svg{width:20px;height:20px}.result-card.correct .result-title{color:var(--green)}.result-card.wrong .result-title{color:var(--red)}.answer-reveal{background:#fff;border-radius:10px;gap:4px;padding:10px;display:grid}.answer-reveal span{color:var(--muted);font-size:10px}.trap{color:#8d5d37}.result-card details{border-top:1px solid #0000000f;padding-top:8px}.result-card summary{color:var(--orange-dark);font-size:12px;font-weight:700}.confirm-row{grid-template-columns:1fr 1fr;gap:8px;display:grid}.confirm-row button,.ask-button{color:#6f59b5;background:#fff;border:1px solid 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var(--line);background:#fff;border-radius:16px;gap:10px;padding:14px;display:grid}.wrong-card-head{justify-content:space-between;align-items:center;display:flex}.wrong-card-head small{color:var(--muted);font-size:10px}.tier{color:#d05e0b;background:#fff0e3;border-radius:8px;padding:5px 8px;font-size:10px;font-weight:800}.tier-2{color:#9c7000;background:#fff3ce}.tier-permanent{color:#b34742;background:#fae7e6}.wrong-card h2,.library-card h2{font-size:15px;line-height:1.45}.wrong-card p,.library-card p{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:11px;display:-webkit-box;overflow:hidden}.wrong-card>div:not(.wrong-card-head){flex-wrap:wrap;gap:7px;display:flex}.wrong-card>div:not(.wrong-card-head) span{color:var(--muted);background:#f7f4f1;border-radius:7px;padding:4px 7px;font-size:9px}.wrong-card>button{border:0;border-top:1px solid var(--line);min-height:40px;color:var(--orange-dark);background:0 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solid var(--line);justify-content:flex-end;gap:8px;padding-top:8px;display:flex}.library-card footer button,.text-action{min-height:36px;color:var(--orange-dark);background:0 0;border:0;align-items:center;gap:5px;padding:0 8px;font-size:11px;display:inline-flex}.history-summary{border:1px solid var(--line);background:#fff;border-radius:16px;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.history-summary div{text-align:center;gap:3px;padding:14px 4px;display:grid}.history-summary div+div{border-left:1px solid var(--line)}.history-summary strong{font-size:19px}.history-summary span{color:var(--muted);font-size:10px}.history-list{gap:9px;display:grid}.history-card{border:1px solid var(--line);background:#fff;border-radius:14px;gap:8px;padding:13px;display:grid}.history-card>div,.history-card footer{justify-content:space-between;align-items:center;display:flex}.history-card time{color:var(--muted);font-size:9px}.history-status{border-radius:7px;padding:4px 7px;font-size:9px;font-weight:800}.history-status.correct{color:var(--green);background:#e8f6ef}.history-status.wrong{color:var(--red);background:#fae7e6}.history-status.pending{background:var(--lavender);color:#6f59b5}.history-card h2{font-size:13px;line-height:1.45}.history-card p{font-size:10px}.history-card footer{border-top:1px solid var(--line);color:var(--muted);padding-top:7px;font-size:9px}.history-card footer strong{color:var(--orange-dark)}.profile-card{background:var(--cream);align-items:center;gap:14px;padding:16px;display:flex}.profile-card img{border-radius:18px;width:64px;height:64px}.profile-card span{color:var(--muted);font-size:10px}.profile-card h1{margin:2px 0 3px;font-size:23px}.profile-card p{font-size:10px}.menu-list{border:1px solid var(--line);background:#fff;border-radius:17px;display:grid;overflow:hidden}.menu-list button{min-height:66px;color:var(--ink);text-align:left;background:#fff;border:0;grid-template-columns:38px 1fr auto;align-items:center;gap:10px;padding:8px 14px;display:grid}.menu-list button+button{border-top:1px solid var(--line)}.menu-list button>svg:first-child{width:21px;height:21px;color:var(--orange)}.menu-list button span{gap:3px;display:grid}.menu-list strong{font-size:13px}.menu-list small{color:var(--muted);font-size:10px}.settings-card,.data-card{gap:12px;padding:15px;display:grid}.settings-card label{gap:6px;display:grid}.settings-card label>span,.sheet-form label>span{color:var(--muted);font-size:11px;font-weight:700}.settings-card input,.settings-card select,.sheet-form input,.sheet-form textarea,.ai-chat textarea{border:1px solid var(--line);width:100%;min-height:44px;color:var(--ink);background:#fff;border-radius:11px;outline:0;padding:0 11px}.settings-card select{appearance:none}.data-grid{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.data-grid button{border:1px solid var(--line);color:#5f5954;background:#faf9f8;border-radius:11px;align-items:center;gap:8px;min-height:48px;padding:0 11px;font-size:11px;display:flex}.data-grid button.danger{color:var(--red)}.hidden-input{display:none}.sheet-form{gap:12px;display:grid}.sheet-form label{gap:6px;display:grid}.sheet-form textarea{resize:none;min-height:110px;padding:11px}.install-guide{gap:12px;display:grid}.install-guide section{background:var(--cream);border-radius:13px;gap:5px;padding:13px;display:grid}.install-guide strong{font-size:14px}.install-guide p{font-size:11px}.ai-chat{gap:10px;display:grid}.chat-message{color:#4c4743;white-space:pre-wrap;background:#f4f1ee;border-radius:13px;padding:10px 12px;font-size:12px;line-height:1.6}.chat-message.user{background:var(--orange-soft);color:#80400e;margin-left:30px}.chat-message.assistant{margin-right:22px}.ai-chat 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