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em{color:#268f39;font-family:var(--font-display);font-size:14px;font-style:normal;font-weight:600}._headerSearch_btein_11{border:1.5px solid #a9cafa;border-radius:26px;flex:1;align-items:center;max-width:520px;height:50px;display:flex;overflow:hidden;box-shadow:0 3px 12px #15559b14}._headerSearch_btein_11>span{color:#2c4670;margin-left:18px;font-size:26px;transform:rotate(-20deg)}._headerSearch_btein_11 input{color:#172d52;border:0;outline:0;flex:1;min-width:0;padding:0 13px}._headerSearch_btein_11 button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#0c67df,#0642a7);border:0;align-self:stretch;padding:0 22px;font-weight:700}._headerButtons_btein_15{gap:10px;display:flex}._headerButtons_btein_15 button{color:#0752be;cursor:pointer;background:#fff;border:1px solid #8dbbfa;border-radius:9px;min-height:43px;padding:0 15px;font-weight:700}._headerButtons_btein_15 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h1{font-family:var(--font-display);color:#0748aa;margin:10px 0 4px;font-size:clamp(34px,3.5vw,56px);line-height:1}._intro_btein_26 h2{font-family:var(--font-script);color:#ef493d;margin:0 0 12px;font-size:clamp(22px,2.1vw,34px);line-height:1.1}._introText_btein_34{color:#35506e;max-width:720px;margin:0;font-size:14px;line-height:1.7}._introArt_btein_35{z-index:2;justify-content:center;align-items:flex-end;height:190px;display:flex;position:relative}._introArt_btein_35 span{filter:drop-shadow(0 8px 6px #1f446229);margin:0 -11px;font-size:75.6px;transform:rotate(-8deg)}._introArt_btein_35 span:nth-child(2){z-index:2;transform:translateY(-12px)}._introArt_btein_35 span:nth-child(3){transform:rotate(8deg)}._introArt_btein_35 b{filter:drop-shadow(0 8px 5px #1f446226);margin-left:10px;font-size:102.6px}._introArt_btein_35 i{font-size:41px;position:absolute;top:18%;right:12%}._moduleShell_btein_38{grid-template-columns:270px 1fr;align-items:start;gap:13px;max-width:1530px;margin:12px auto 28px;display:grid}._formatSwitcher_btein_39{background:#fff;border:1px solid #dce9f6;border-radius:18px;justify-content:space-between;align-items:center;gap:20px;max-width:1530px;margin:16px auto 0;padding:14px 18px;display:flex;box-shadow:0 5px 18px #1e4f8414}._formatIntro_btein_39{flex-direction:column;gap:3px;min-width:230px;display:flex}._formatIntro_btein_39 strong{font-family:var(--font-display);color:#123c70;font-size:17px}._formatIntro_btein_39 span{color:#718198;font-size:10px;line-height:1.45}._formatTabs_btein_39{flex-wrap:wrap;justify-content:flex-end;align-items:stretch;gap:10px;display:flex}._formatTabs_btein_39>button{text-align:left;color:#304762;cursor:pointer;background:#f8fbfe;border:1px solid #d5e4f1;border-radius:13px;align-items:center;gap:10px;min-width:190px;padding:10px 13px;transition:all 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#e1ebf4;align-items:center;gap:10px;padding-bottom:14px;display:flex}._sideHeading_btein_42>span{color:#0752be;background:#eaf4ff;border-radius:11px;place-items:center;width:39px;height:39px;font-size:21.6px;display:grid}._sideHeading_btein_42 strong{font-family:var(--font-display);color:#0752be;font-size:17.3px;display:block}._sideHeading_btein_42 small{color:#8491a4;font-size:8.6px;display:block}._filterGroup_btein_43{padding-top:16px}._filterGroup_btein_43>label{color:#314663;text-transform:uppercase;margin-bottom:8px;font-size:11.9px;font-weight:800;display:block}._filterGroup_btein_43>button{text-align:left;color:#43536b;cursor:pointer;background:0 0;border:0;border-radius:9px;grid-template-columns:26px 1fr auto;align-items:center;gap:8px;width:100%;padding:9px;font-size:11.9px;font-weight:600;display:grid}._filterGroup_btein_43>button:hover,._filterGroup_btein_43>button._sideActive_btein_44{color:#0752be;background:#eaf4ff}._filterGroup_btein_43>button b{color:#8a97a9;font-size:8.6px}._filterGroup_btein_43>button._categoryOption_btein_45{border-left:4px solid var(--category-color);background:color-mix(in srgb,var(--category-color),#fff 94%);padding-left:7px}._filterGroup_btein_43>button._categoryOption_btein_45:hover{background:color-mix(in srgb,var(--category-color),#fff 86%);color:color-mix(in srgb,var(--category-color),#000 20%)}._filterGroup_btein_43>button._categoryOption_btein_45._sideActive_btein_44{background:color-mix(in srgb,var(--category-color),#fff 78%);color:color-mix(in srgb,var(--category-color),#000 26%);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--category-color),#fff 58%)}._filterGroup_btein_43>button._categoryOption_btein_45._sideActive_btein_44 b{color:inherit}._grades_btein_46{grid-template-columns:repeat(3,1fr);gap:7px;display:grid}._grades_btein_46 button{--grade-color:#075acb;--grade-soft:#eaf4ff;border:1px solid color-mix(in srgb,var(--grade-color),#fff 62%);background:var(--grade-soft);color:var(--grade-color);cursor:pointer;border-radius:9px;padding:8px 3px;font-size:11.9px;font-weight:800;transition:transform .16s,box-shadow .16s,background .16s}._grades_btein_46 button:hover{box-shadow:0 4px 9px color-mix(in srgb,var(--grade-color),transparent 78%);transform:translateY(-1px)}._grades_btein_46 button[data-grade=all]{--grade-color:#49566b;--grade-soft:#eef2f7}._grades_btein_46 button[data-grade="1"]{--grade-color:#1769c2;--grade-soft:#e8f3ff}._grades_btein_46 button[data-grade="2"]{--grade-color:#c43f74;--grade-soft:#fdeaf2}._grades_btein_46 button[data-grade="3"]{--grade-color:#228b4e;--grade-soft:#e8f7ed}._grades_btein_46 button[data-grade="4"]{--grade-color:#098a92;--grade-soft:#e4f7f7}._grades_btein_46 button[data-grade="5"]{--grade-color:#7141b2;--grade-soft:#f0eafb}._grades_btein_46 button._gradeActive_btein_46{background:var(--grade-color);color:#fff;border-color:var(--grade-color);box-shadow:0 4px 10px color-mix(in srgb,var(--grade-color),transparent 70%)}._readingTip_btein_47{text-align:center;background:linear-gradient(145deg,#fff8d9,#fff0b7);border-radius:14px;margin-top:18px;padding:14px}._readingTip_btein_47>span{font-size:30.2px}._readingTip_btein_47 strong{color:#9a6200;font-family:var(--font-display);font-size:15.1px;display:block}._readingTip_btein_47 p{color:#77603a;margin:4px 0 0;font-size:9.7px;line-height:1.55}._library_btein_40{min-height:720px;padding:0 18px 20px}._toolbar_btein_49{border-bottom:1px solid #e1ebf4;justify-content:space-between;align-items:center;gap:20px;min-height:74px;display:flex}._toolbar_btein_49 h2{font-family:var(--font-display);color:#0752be;margin:0;font-size:22.7px}._toolbar_btein_49 p{color:#7f8a9c;margin:3px 0 0;font-size:9.7px}._toolbar_btein_49 label{color:#6a778b;align-items:center;gap:8px;font-size:10.8px;display:flex}._toolbar_btein_49 select{color:#293c5c;background:#f8fbfd;border:1px solid #d3e2ef;border-radius:9px;outline:0;padding:8px 27px 8px 10px;font-weight:600}._bookGrid_btein_50{grid-template-columns:repeat(4,1fr);gap:16px;padding-top:17px;display:grid}._addBookCard_btein_51{color:#16833c;cursor:pointer;background:linear-gradient(145deg,#f7fff9,#e9f8ee);border:2px dashed #7db59a;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;min-height:190px;transition:all .2s;display:flex}._addBookCard_btein_51:hover{border-color:#239b4d;transform:translateY(-4px);box-shadow:0 10px 23px #1c824024}._addBookCard_btein_51>span{background:#fff;border-radius:50%;place-items:center;width:52px;height:52px;font-size:31.3px;display:grid;box-shadow:0 5px 15px #157a3824}._addBookCard_btein_51 strong{font-family:var(--font-display);margin-top:10px;font-size:16.2px}._addBookCard_btein_51 small{color:#679079;margin-top:3px;font-size:8.6px}._bookCard_btein_52{cursor:pointer;background:#fff;border:1px solid #e0eaf3;border-radius:14px;grid-template-columns:105px 1fr;gap:12px;min-width:0;padding:12px;transition:all 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2px #0003;margin-top:9px;font-size:11.9px;line-height:1.12}._cover_btein_54>span{margin:auto 0;font-size:35.6px}._cover_btein_54 i{background:#fff3;border-radius:8px;padding:2px 7px;font-size:6.5px;font-style:normal}._coverImage_btein_55{object-fit:cover;width:100%;height:100%;display:block;position:absolute;inset:0}._bookInfo_btein_56{min-width:0;padding-top:15px}._subject_btein_56{color:#0752be;background:#eaf4ff;border-radius:10px;padding:3px 7px;font-size:7.6px;font-weight:700;display:inline-block}._bookInfo_btein_56 h3{font-family:var(--font-display);color:#1c3151;margin:7px 0 3px;font-size:14px;line-height:1.25}._author_btein_56{color:#526681;margin:0 0 5px;font-size:7.6px;line-height:1.35}._meta_btein_56{color:#7e8999;flex-direction:column;gap:3px;font-size:7.6px;display:flex}._cardActions_btein_56{grid-template-columns:1fr 1fr;gap:5px;margin-top:11px;display:grid}._viewerActions_btein_56{grid-template-columns:1fr}._cardActions_btein_56 button{min-width:0;height:30px;font-family:var(--font-display);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:4px;font-size:8.6px;font-weight:700;transition:transform .16s,box-shadow .16s,background .16s;display:flex}._cardActions_btein_56 button:hover{transform:translateY(-1px)}._readButton_btein_56{color:#fff;background:linear-gradient(135deg,#0870df,#0752b7);border:0;grid-column:1/-1;box-shadow:0 4px 9px #0752b72e}._readButton_btein_56 span{font-size:10.8px}._readButton_btein_56 b{margin-left:auto;margin-right:6px;font-size:11.9px}._readButton_btein_56:hover{background:linear-gradient(135deg,#0864c7,#063f91);box-shadow:0 6px 12px #0752b742}._editButton_btein_56,._deleteButton_btein_56{border:1px solid;font-size:8.6px}._editButton_btein_56 span,._deleteButton_btein_56 span{border-radius:5px;place-items:center;width:15px;height:15px;font-size:11.9px;display:grid}._editButton_btein_56{color:#135aa8;background:#f1f7fe;border-color:#b8d5f2}._editButton_btein_56 span{background:#dceeff}._editButton_btein_56:hover{background:#e4f1ff;border-color:#79ace0}._deleteButton_btein_56{color:#bf3447;background:#fff6f7;border-color:#f0c2c8}._deleteButton_btein_56 span{background:#ffe1e5}._deleteButton_btein_56:hover{background:#ffecef;border-color:#e9909c}._cardActions_btein_56 button:disabled{cursor:not-allowed;opacity:.72;transform:none}._readButton_btein_56:disabled{box-shadow:none;background:#73849a}._readButton_btein_56:hover:disabled{box-shadow:none;background:#73849a;transform:none}._empty_btein_58{text-align:center;padding:90px 20px}._empty_btein_58>span{font-size:62.6px}._empty_btein_58 h3{font-family:var(--font-display);color:#28466b;margin:8px;font-size:21.6px}._empty_btein_58 p{color:#7f8c9f;font-size:11.9px}._empty_btein_58 button{color:#fff;cursor:pointer;background:#075acb;border:0;border-radius:9px;padding:10px 15px;font-weight:700}._pagination_btein_59{justify-content:center;align-items:center;gap:6px;margin-top:24px;display:flex}._pagination_btein_59 button{color:#50617a;cursor:pointer;background:#fff;border:1px solid #d8e5f0;border-radius:8px;width:33px;height:33px;font-weight:700}._pagination_btein_59 button._current_btein_59{color:#fff;background:#075acb;border-color:#075acb}._pagination_btein_59 button:disabled{opacity:.4}._modalBackdrop_btein_60{z-index:200;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#051d3f94;place-items:center;padding:20px;display:grid;position:fixed;inset:0}._addBookModal_btein_61{background:#fff;border-radius:19px;grid-template-columns:1fr 1fr;gap:15px;width:min(650px,100%);max-height:calc(100vh - 40px);padding:22px;display:grid;overflow:auto;box-shadow:0 24px 70px #00143259}._modalHeading_btein_62{border-bottom:1px solid #e3edf6;grid-column:1/-1;justify-content:space-between;align-items:center;padding-bottom:14px;display:flex}._modalHeading_btein_62>div{align-items:center;gap:11px;display:flex}._modalHeading_btein_62>div>span{background:#eaf4ff;border-radius:12px;place-items:center;width:43px;height:43px;font-size:24.8px;display:grid}._modalHeading_btein_62 strong{color:#0752be;font-family:var(--font-display);font-size:21.6px;display:block}._modalHeading_btein_62 small{color:#7c899b;font-size:10.8px;display:block}._modalHeading_btein_62>button{color:#52627a;cursor:pointer;background:#f1f5f9;border:0;border-radius:50%;width:36px;height:36px;font-size:27px}._addBookModal_btein_61 label{color:#324865;flex-direction:column;gap:6px;font-size:11.9px;font-weight:700;display:flex}._addBookModal_btein_61 input,._addBookModal_btein_61 select,._addBookModal_btein_61 textarea{color:#203552;width:100%;font:inherit;background:#fbfdff;border:1px solid #cfdfea;border-radius:9px;outline:0;padding:0 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button[type=submit]{color:#fff;background:#168c3b;border-color:#168c3b}._fileUpload_btein_64{cursor:pointer;position:relative}._fileUpload_btein_64>span{align-items:center;gap:6px;display:flex}._fileUpload_btein_64>span small{color:#8290a3;font-size:8.6px;font-weight:500}._addBookModal_btein_61 ._fileUpload_btein_64 input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}._fileUpload_btein_64>div{background:#f5faff;border:1.5px dashed #8ab8e8;border-radius:11px;grid-template-rows:1fr 1fr;grid-template-columns:43px 1fr;align-items:center;column-gap:11px;min-height:82px;padding:13px 16px;transition:all .2s;display:grid}._fileUpload_btein_64:hover>div{background:#edf6ff;border-color:#287ad5}._fileUpload_btein_64 b{color:#075acb;background:#dceeff;border-radius:11px;grid-row:1/3;place-items:center;width:43px;height:43px;font-size:22.7px;display:grid}._fileUpload_btein_64 strong{text-overflow:ellipsis;white-space:nowrap;color:#234262;align-self:end;min-width:0;font-size:11.9px;overflow:hidden}._fileUpload_btein_64 div small{color:#7c8b9e;align-self:start;font-size:8.6px;font-weight:500}._coverUpload_btein_65>div{background:#faf8ff;border-color:#b7a7e8}._coverUpload_btein_65:hover>div{background:#f5f1ff;border-color:#7964c8}._coverUpload_btein_65 img{object-fit:cover;border-radius:5px;grid-row:1/3;width:43px;height:56px;box-shadow:0 3px 8px #261d502e}._orDivider_btein_66{color:#8a97a8;grid-column:1/-1;align-items:center;gap:10px;font-size:9.7px;display:flex}._orDivider_btein_66:before,._orDivider_btein_66:after{content:"";background:#e1e9f0;flex:1;height:1px}._orDivider_btein_66 span{padding:0 5px}._addBookModal_btein_61 ._rightsConfirm_btein_67{color:#285b39;background:#f1fbf4;border:1px solid #b9dbc5;border-radius:10px;flex-direction:row;align-items:center;padding:11px 13px}._addBookModal_btein_61 ._rightsConfirm_btein_67 input{accent-color:#168c3b;flex:none;width:18px;height:18px;padding:0}._rightsConfirm_btein_67 span{line-height:1.45}._detailModal_btein_68{background:#fff;border-radius:20px;grid-template-columns:230px 1fr;gap:28px;width:min(900px,100%);max-height:calc(100vh - 40px);padding:25px;display:grid;position:relative;overflow:auto;box-shadow:0 24px 70px #00143261}._detailClose_btein_68{z-index:2;color:#52627a;cursor:pointer;background:#eef3f8;border:0;border-radius:50%;width:38px;height:38px;font-size:27px;position:absolute;top:16px;right:18px}._detailCover_btein_68{aspect-ratio:.72;background:linear-gradient(150deg,var(--cover-a),var(--cover-b));color:#fff;text-align:center;border-radius:10px 16px 16px 10px;flex-direction:column;align-self:start;align-items:center;min-height:320px;padding:25px 16px;display:flex;overflow:hidden;box-shadow:0 12px 24px #1a365b38}._detailCover_btein_68 img{object-fit:cover;width:100%;height:100%}._detailCover_btein_68 small{letter-spacing:.6px;font-size:9.7px}._detailCover_btein_68 strong{font-family:var(--font-display);margin-top:24px;font-size:24.8px;line-height:1.2}._detailCover_btein_68 span{margin:auto;font-size:70.2px}._detailContent_btein_68{min-width:0;padding-right:10px}._detailCategory_btein_68{color:#075acb;background:#eaf4ff;border-radius:15px;padding:5px 10px;font-size:9.7px;font-weight:800;display:inline-block}._detailContent_btein_68 h2{color:#123c70;font-family:var(--font-display);margin:8px 42px 4px 0;font-size:30.2px;line-height:1.2}._detailDescription_btein_68{color:#617187;margin:0 0 16px;font-size:11.9px;line-height:1.6}._detailContent_btein_68 dl{border:1px solid #dbe7f2;border-radius:13px;grid-template-columns:1fr 1fr;margin:0;display:grid;overflow:hidden}._detailContent_btein_68 dl>div{border-bottom:1px solid #e4edf5;min-height:55px;padding:9px 12px}._detailContent_btein_68 dl>div:nth-child(odd){border-right:1px solid #e4edf5}._detailContent_btein_68 dl>div:nth-last-child(-n+2){border-bottom:0}._detailContent_btein_68 dt{color:#79879a;text-transform:uppercase;font-size:8.6px;font-weight:700}._detailContent_btein_68 dd{color:#1d385b;overflow-wrap:anywhere;margin:4px 0 0;font-size:10.8px;font-weight:700}._detailContent_btein_68 dl>div._detailWide_btein_68{border-right:0;grid-column:1/-1}._detailContent_btein_68 dl>div._detailWide_btein_68:not(:last-child){border-bottom:1px solid #e4edf5}._detailActions_btein_68{justify-content:flex-end;gap:9px;margin-top:16px;display:flex}._detailActions_btein_68 button{color:#075acb;cursor:pointer;background:#fff;border:1px solid #95bce7;border-radius:10px;min-height:42px;padding:0 17px;font-weight:800}._detailActions_btein_68 button:first-child{color:#fff;background:#075acb;border-color:#075acb}._digitalStatus_btein_69{color:#765a16;background:#fff8df;border:1px solid #f0d796;border-radius:10px;margin:13px 0 0;padding:10px 12px;font-size:9.7px;line-height:1.5}._detailActions_btein_68 button:disabled{color:#fff;cursor:not-allowed;background:#8794a5;border-color:#a8b2bf}._loginModal_btein_70{background:#fff;border-radius:20px;flex-direction:column;align-items:stretch;width:min(410px,100%);padding:28px;display:flex;position:relative;box-shadow:0 24px 70px #00143259}._loginClose_btein_70{color:#53637a;cursor:pointer;background:#f0f4f8;border:0;border-radius:50%;width:34px;height:34px;font-size:24.8px;position:absolute;top:17px;right:17px}._loginIcon_btein_70{background:linear-gradient(145deg,#e8f3ff,#d9ebff);border-radius:17px;place-items:center;width:58px;height:58px;margin:0 auto 10px;font-size:29.2px;display:grid}._loginModal_btein_70 h2{text-align:center;color:#0752be;font-family:var(--font-display);margin:0;font-size:25.9px}._loginModal_btein_70>p{text-align:center;color:#7b899b;margin:4px 0 20px;font-size:10.8px}._loginModal_btein_70 label{color:#334a67;flex-direction:column;gap:6px;margin-top:12px;font-size:11.9px;font-weight:700;display:flex}._loginModal_btein_70 input{color:#203552;height:44px;font:inherit;background:#fbfdff;border:1px solid #cdddea;border-radius:10px;outline:0;padding:0 12px}._loginModal_btein_70 input:focus{border-color:#438de2;box-shadow:0 0 0 3px #438de21f}._loginError_btein_70{color:#bd3446;background:#fff0f2;border-radius:8px;margin-top:12px;padding:9px 11px;font-size:9.7px}._loginSubmit_btein_70{color:#fff;height:44px;font-family:var(--font-display);cursor:pointer;background:linear-gradient(135deg,#0870df,#0752b7);border:0;border-radius:10px;margin-top:16px;font-weight:700;box-shadow:0 6px 14px #0752b733}._loginSubmit_btein_70:hover{background:linear-gradient(135deg,#0864c7,#063f91)}._loginModal_btein_70>small{text-align:center;color:#98a3b2;margin-top:11px;font-size:8.6px}._footer_btein_71{color:#fff;background:#063d91;justify-content:space-between;align-items:center;gap:25px;min-height:105px;padding:20px max(28px,50% - 737.5px);display:flex}._footer_btein_71>div{align-items:center;gap:12px;display:flex}._footer_btein_71 ._logo_btein_5{width:52px;height:52px;box-shadow:none}._footer_btein_71>div>span{flex-direction:column;display:flex}._footer_btein_71 strong{font-family:var(--font-display);font-size:16.2px}._footer_btein_71 small,._footer_btein_71 p{opacity:.78;font-size:9.7px}._toast_btein_71{z-index:100;color:#fff;background:#173b69;border-radius:24px;padding:11px 20px;font-size:13px;position:fixed;top:18px;left:50%;transform:translate(-50%);box-shadow:0 10px 30px #00000038}._bookBadges_btein_72{flex-wrap:wrap;align-items:center;gap:4px;display:flex}._digitalBadge_btein_72,._paperBadge_btein_72{border-radius:10px;padding:3px 7px;font-size:7.6px;font-weight:800;display:inline-block}._digitalBadge_btein_72{color:#087a45;background:#e7f8ee}._paperBadge_btein_72{color:#8a5b13;background:#fff4d8}._infoButton_btein_72{color:#fff;background:linear-gradient(135deg,#b47a20,#8a5911);border:0;grid-column:1/-1;box-shadow:0 4px 9px #764b0a2e}._infoButton_btein_72 span{font-size:10.8px}._infoButton_btein_72 b{margin-left:auto;margin-right:6px;font-size:11.9px}._infoButton_btein_72:hover{background:linear-gradient(135deg,#9d6819,#71460b);box-shadow:0 6px 12px #764b0a3d}@media (max-width:1250px){._headerInner_btein_3{gap:16px}._brand_btein_4{min-width:350px}._brand_btein_4 strong{font-size:20.5px}._headerButtons_btein_15 button span{display:none}._bookGrid_btein_50{grid-template-columns:repeat(3,1fr)}._moduleShell_btein_38,._intro_btein_26,._formatSwitcher_btein_39{margin-left:18px;margin-right:18px}}@media (max-width:900px){._headerInner_btein_3{min-height:82px;padding:10px 18px}._brand_btein_4{min-width:290px}._logo_btein_5{width:55px;height:55px}._brand_btein_4 strong{font-size:16.2px}._brand_btein_4 em,._headerButtons_btein_15{display:none}._menuButton_btein_18{margin-left:auto;display:block}._nav_btein_19{display:none}._nav_btein_19._navOpen_btein_74{display:block}._navInner_btein_20{flex-direction:column;height:auto;padding:8px 18px}._nav_btein_19 a{justify-content:flex-start;padding:11px}._nav_btein_19 a+a:before{display:none}._intro_btein_26{grid-template-columns:1fr;padding:25px 30px}._introArt_btein_35{display:none}._formatSwitcher_btein_39{flex-direction:column;align-items:stretch}._formatTabs_btein_39{justify-content:flex-start}._formatTabs_btein_39>button{flex:1}._moduleShell_btein_38{grid-template-columns:1fr}._sidebar_btein_40{position:static}._filterGroup_btein_43:nth-child(2){grid-template-columns:repeat(2,1fr);gap:6px;display:grid}._filterGroup_btein_43:nth-child(2)>label{grid-column:1/-1}._bookGrid_btein_50{grid-template-columns:repeat(2,1fr)}}@media (max-width:620px){._headerInner_btein_3{flex-wrap:wrap}._brand_btein_4{flex:1;min-width:0}._headerSearch_btein_11{flex-basis:100%;order:3;max-width:none;height:44px}._headerSearch_btein_11 button{width:52px;font-size:0}._headerSearch_btein_11 button:after{content:"⌕";font-size:23.8px}._moduleShell_btein_38,._intro_btein_26,._formatSwitcher_btein_39{margin-left:10px;margin-right:10px}._formatTabs_btein_39{flex-direction:column}._formatTabs_btein_39>button{width:100%;min-width:0}._bookGrid_btein_50{grid-template-columns:1fr}._bookCard_btein_52{grid-template-columns:100px 1fr}._toolbar_btein_49{flex-direction:column;align-items:flex-start;padding:14px 0}._library_btein_40{padding:0 12px 18px}._footer_btein_71{flex-direction:column;align-items:flex-start}._filterGroup_btein_43:nth-child(2){grid-template-columns:1fr}._addBookModal_btein_61{grid-template-columns:1fr;padding:17px}._addBookModal_btein_61 label,._fullField_btein_63,._formNote_btein_63,._modalActions_btein_63{grid-column:1}._modalActions_btein_63 button{flex:1;min-width:0}._detailModal_btein_68{grid-template-columns:1fr;padding:18px}._detailCover_btein_68{width:170px;min-height:235px;margin:0 auto}._detailContent_btein_68{padding-right:0}._detailContent_btein_68 h2{font-size:24.8px}._detailContent_btein_68 dl{grid-template-columns:1fr}._detailContent_btein_68 dl>div,._detailContent_btein_68 dl>div:nth-child(odd),._detailContent_btein_68 dl>div:nth-last-child(-n+2){border-bottom:1px solid #e4edf5;border-right:0}._detailContent_btein_68 dl>div:last-child{border-bottom:0}._detailActions_btein_68{flex-direction:column}._detailActions_btein_68 button{width:100%}._intro_btein_26{padding:21px 18px}._intro_btein_26 h1{font-size:31px}._intro_btein_26 h2{font-size:22px}._sidebar_btein_40{padding:12px}._filterGroup_btein_43 button,._gradeFilter_btein_76 button,._toolbar_btein_49 button,._bookCard_btein_52 button{min-height:44px}._filterGroup_btein_43 button{font-size:12px}._toolbar_btein_49{gap:10px}._toolbar_btein_49 h2{font-size:21px}._bookCard_btein_52{grid-template-columns:92px minmax(0,1fr);gap:12px;padding:12px}._bookCard_btein_52 h3{font-size:17px}._bookCard_btein_52 p,._bookCard_btein_52 small{font-size:10px}._detailClose_btein_68{width:44px;height:44px}._backdrop_btein_76{align-items:end;padding:8px}._addBookModal_btein_61,._detailModal_btein_68{max-height:calc(100dvh - 16px);padding-bottom:calc(18px + env(safe-area-inset-bottom));border-radius:20px 20px 12px 12px}}