.lfm-modal-root{--lfm-heading-gray: #5f6063;--lfm-control-gray: #74777d;--lfm-border-gray: #d8dee8;--lfm-border-hover-gray: #c4ccd8;--lfm-section-gray: #858990;--lfm-accent-blue: #466cc5;--lfm-accent-soft-blue: #6f8bd8;--lfm-accent-border: #dfe8fb;--lfm-accent-bg: #f5f8ff;position:fixed;inset:0;z-index:9990}.lfm-modal-root.lfm-hidden{display:none}.lfm-modal-root .lfm-hidden{display:none !important}.lfm-modal-root *{box-sizing:border-box}.lfm-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.5)}.lfm-dialog{position:absolute;left:50%;top:50%;transform:translate(-50%, -50%);width:92%;max-width:880px;height:88vh;max-height:88vh;display:flex;flex-direction:column;background:#fff;border-radius:24px;box-shadow:0 20px 50px rgba(15,23,42,0.25);overflow:hidden}.lfm-header{position:relative;display:flex;align-items:center;gap:12px;padding:16px 64px 16px 30px;border-bottom:1px solid #eef0f4;flex-wrap:wrap}.lfm-title-block{display:flex;flex-direction:column;gap:2px;min-width:0}.lfm-title{font-size:18px;font-weight:700;color:var(--lfm-heading-gray);margin:0;white-space:nowrap}.lfm-title i{color:var(--lfm-accent-blue)}.lfm-search-notice-row{display:flex;align-items:center;gap:16px;flex:1 1 100%;min-width:0}.lfm-subtitle{flex:1 1 auto;min-width:0;margin:0;font-size:11px;font-weight:600;color:var(--lfm-section-gray);line-height:1.45;position:relative;z-index:1}.lfm-guideline-link{position:relative;z-index:1;width:fit-content;font-size:11px;font-weight:500;line-height:1.2;color:var(--lfm-section-gray);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;opacity:.82}.lfm-guideline-link:hover{color:var(--lfm-heading-gray);opacity:1}.lfm-mode-switch{display:inline-flex;align-items:center;gap:3px;padding:3px;border:1px solid var(--lfm-border-gray);border-radius:9999px;background:#f8fafc}.lfm-mode-switch-button{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:30px;border:0;border-radius:9999px;background:transparent;color:var(--lfm-control-gray);padding:6px 11px;font-size:12px;font-weight:700;line-height:1.2;cursor:pointer;white-space:nowrap;transition:background .15s ease, color .15s ease, box-shadow .15s ease}.lfm-mode-switch-button:hover{background:#fff;color:var(--lfm-heading-gray)}.lfm-mode-switch-button.is-active{background:var(--lfm-accent-blue);color:#fff;box-shadow:0 4px 10px rgba(70,108,197,0.2)}.lfm-mode-switch-button.is-active i{color:#fff}.lfm-search{position:relative;flex:0 0 320px;max-width:320px}.lfm-search-icon{position:absolute;left:12px;top:17px;transform:translateY(-50%);color:#9ca3af;font-size:13px}.lfm-search-input{width:100%;height:34px;padding:9px 34px 9px 32px;border:1px solid #d1d5db;border-radius:9999px;font-size:14px;color:#374151;outline:none;background:#fff}.lfm-search-input:focus{border-color:#466cc5;box-shadow:0 0 0 3px rgba(70,108,197,0.15)}.lfm-search-clear{position:absolute;right:8px;top:17px;transform:translateY(-50%);border:0;background:transparent;color:#9ca3af;cursor:pointer}.lfm-search-scope{display:inline-flex;align-items:center;gap:7px;width:fit-content;max-width:100%;margin-top:7px;padding:4px 10px 4px 7px;border:1px solid var(--lfm-border-gray);border-radius:9999px;background:#fff;color:var(--lfm-control-gray);cursor:pointer;font-size:12px;font-weight:600;line-height:1.2;transition:background .15s ease, border-color .15s ease, color .15s ease}.lfm-search-scope:hover{background:var(--lfm-accent-bg);border-color:var(--lfm-accent-border);color:var(--lfm-heading-gray)}.lfm-search-scope input{position:absolute;opacity:0;pointer-events:none}.lfm-search-scope-toggle{position:relative;width:24px;height:14px;flex:0 0 24px;border-radius:9999px;background:#d1d5db;transition:background .15s ease}.lfm-search-scope-toggle::after{content:"";position:absolute;top:2px;left:2px;width:10px;height:10px;border-radius:9999px;background:#fff;box-shadow:0 1px 2px rgba(15,23,42,0.18);transition:transform .15s ease}.lfm-search-scope input:checked+.lfm-search-scope-toggle{background:var(--lfm-accent-blue)}.lfm-search-scope input:checked+.lfm-search-scope-toggle::after{transform:translateX(10px)}.lfm-close{position:absolute;right:24px;top:20px;border:0;background:transparent;font-size:26px;line-height:1;color:#9ca3af;cursor:pointer;padding:0 4px}.lfm-close:hover{color:#374151}.lfm-body{padding:26px;overflow-y:auto;flex:1 1 auto;min-height:0}.lfm-section-nav{position:sticky;top:-27px;z-index:2;display:flex;align-items:center;gap:8px;flex-wrap:nowrap;margin:-26px -26px 18px;padding:12px 26px;background:rgba(255,255,255,0.96);border-bottom:1px solid #eef0f4;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:thin}.lfm-section-nav::-webkit-scrollbar,.lfm-header-actions::-webkit-scrollbar{height:4px}.lfm-section-nav::-webkit-scrollbar-thumb,.lfm-header-actions::-webkit-scrollbar-thumb{background:#d8dee8;border-radius:9999px}.lfm-section-chip{display:inline-flex;align-items:center;gap:6px;width:auto;min-height:30px;max-width:100%;flex:0 0 auto;border:1px solid var(--lfm-border-gray);border-radius:9999px;background:#fff;color:var(--lfm-control-gray);padding:6px 12px;font-size:12px;font-weight:600;line-height:1.2;cursor:pointer;white-space:nowrap;transition:background .15s ease, border-color .15s ease, color .15s ease}.lfm-section-chip:hover{background:var(--lfm-accent-bg);border-color:var(--lfm-accent-border);color:var(--lfm-heading-gray)}.lfm-section-chip i{color:var(--lfm-accent-soft-blue);font-size:11px}.lfm-section{margin-bottom:20px}.lfm-section-title{font-size:16px;font-weight:700;color:var(--lfm-section-gray);margin:0 0 10px 5px;text-align:left}.lfm-section-title i{color:var(--lfm-accent-soft-blue)}.lfm-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(180px, 1fr));gap:12px}.lfm-card{text-align:left;background:#fff;border:1px solid #eef0f4;border-radius:12px;padding:12px;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;text-decoration:none}.lfm-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(15,23,42,0.08);border-color:#c7d6fb}.lfm-card-title{font-size:14px;font-weight:600;color:#374151;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em}.lfm-card-digest{margin:7px 0 8px;padding:7px 8px;border:1px solid #e7ecf6;border-radius:8px;background:#f8fbff}.lfm-card-digest-label{display:flex;align-items:center;gap:5px;margin-bottom:4px;font-size:10px;font-weight:700;color:#7d8798}.lfm-card-digest-label i{color:var(--lfm-accent-soft-blue);font-size:9px}.lfm-card-digest-line{display:flex;flex-direction:column;gap:2px;min-width:0;font-size:11px;line-height:1.35;color:#4b5563}.lfm-card-digest-en,.lfm-card-digest-ja{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lfm-card-digest-ja{color:#7b8190}.lfm-card-meta{display:flex;align-items:center;gap:6px;font-size:10px;color:#a8abb2}.lfm-card-count{font-size:11px;color:#9ca3af;margin-top:6px}.lfm-basic-card{position:relative;overflow:hidden;min-height:102px;border-color:color-mix(in srgb, var(--lfm-basic-color) 28%, #e7ebf2);background:linear-gradient(135deg, color-mix(in srgb, var(--lfm-basic-color) 11%, #fff), #fff 58%)}.lfm-basic-card::after{content:"";position:absolute;right:-22px;top:-24px;width:70px;height:70px;border-radius:9999px;background:color-mix(in srgb, var(--lfm-basic-color) 12%, transparent)}.lfm-basic-card:hover{border-color:color-mix(in srgb, var(--lfm-basic-color) 48%, #c7d6fb)}.lfm-basic-card-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;margin-bottom:8px;border-radius:9999px;color:var(--lfm-basic-color);background:#fff;box-shadow:0 5px 14px rgba(15,23,42,0.08)}.lfm-basic-card .lfm-card-title{min-height:auto}.lfm-basic-card--my-list{--lfm-basic-color: #14b8a6}.lfm-basic-card--remembered{--lfm-basic-color: #22c55e}.lfm-basic-card--to-remember{--lfm-basic-color: #eab308}.lfm-basic-card--unremembered{--lfm-basic-color: #f87171}.lfm-loading,.lfm-empty{text-align:center;color:#9ca3af;font-size:13px;padding:16px 0}.lfm-sentinel{height:1px}.lfm-more{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;flex:0 0 auto;border:1px solid var(--lfm-border-gray);color:var(--lfm-control-gray);background:#fff;border-radius:9999px;padding:6px 14px;font-size:12px;font-weight:600;text-decoration:none;transition:background .15s ease, border-color .15s ease}.lfm-more:hover{background:var(--lfm-accent-bg);border-color:var(--lfm-accent-border);color:var(--lfm-heading-gray)}.lfm-more i{font-size:10px}.lfm-header-actions{display:flex;align-items:center;gap:8px;min-width:0;max-width:100%;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:thin}.lfm-new-book-link{color:#466cc5;border-color:var(--lfm-accent-border)}.lfm-new-book-link i{color:#466cc5}.lfm-section-intro{margin-bottom:10px}.lfm-section-intro .lfm-section-title{margin-bottom:2px}.lfm-section-source{margin:0 0 0 5px;font-size:11px;font-weight:600;color:var(--lfm-section-gray);line-height:1.2}.lfm-section-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px;flex-wrap:wrap}.lfm-section-head .lfm-section-title{margin-bottom:0}.lfm-search-count{font-weight:600;color:#9ca3af;margin-left:4px}.lfm-hl{background:#fff3bf;color:#1f2937;border-radius:2px;padding:0 1px}.scroll-arrow-disabled{opacity:.3;cursor:default;pointer-events:none}.lfm-card-skeleton{background:#fff;border:1px solid #eef0f4;border-radius:12px;padding:12px;pointer-events:none}.lfm-skel-line{border-radius:6px;background:#eef0f4;position:relative;overflow:hidden}.lfm-skel-line::after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg, transparent, rgba(255,255,255,0.65), transparent);animation:lfm-shimmer 1.2s ease-in-out infinite}.lfm-skel-title{height:13px;margin-bottom:7px}.lfm-skel-title2{height:13px;width:65%;margin-bottom:12px}.lfm-skel-meta{height:11px;width:50%;margin-bottom:8px}.lfm-skel-count{height:10px;width:32%}@keyframes lfm-shimmer{100%{transform:translateX(100%)}}.pg-sidebar__lists-section .lfm-hidden{display:none !important}.pg-sidebar__list-subsections{display:flex;flex-direction:column;gap:0;margin:6px 0 0 16px;padding-left:10px;border-left:1px solid #e5e7eb}.pg-sidebar__list-subsections--discover{margin-bottom:12px}#top-sidebar nav button.pg-sidebar__list-subsection-button,.pg-sidebar__list-subsection-link{display:flex;align-items:center;gap:5px;width:100%;min-height:16px;padding:0 5px;border:0;border-radius:5px;background:transparent;color:#8a8d93;font-size:11px;line-height:1.05;text-align:left;cursor:pointer;transition:background .15s ease, color .15s ease}#top-sidebar nav button.pg-sidebar__list-subsection-button:hover,#top-sidebar nav button.pg-sidebar__list-subsection-button:focus,.pg-sidebar__list-subsection-link:hover,.pg-sidebar__list-subsection-link:focus{background:#f5f8ff;color:#5f6063;outline:none}#top-sidebar nav button.pg-sidebar__list-subsection-button i[class*="fa"],.pg-sidebar__list-subsection-link i{width:10px;flex:0 0 10px;color:#8aa1df;font-size:9px;text-align:center}#top-sidebar nav button.pg-sidebar__list-subsection-button span,.pg-sidebar__list-subsection-link span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width: 640px){.lfm-dialog{width:96%;height:92vh;max-height:92vh;border-radius:18px}.lfm-grid{grid-template-columns:repeat(auto-fill, minmax(150px, 1fr))}.lfm-mode-switch{order:1}.lfm-header-actions{order:2;flex:1 1 100%}.lfm-search-notice-row{order:3;flex-direction:column;align-items:stretch;gap:10px}.lfm-search{flex:1 1 auto;max-width:none;width:100%}}.word-card-modal{width:140px !important;min-width:140px !important;max-width:140px !important}.word-preview-skeleton{animation:skeleton-pulse 1.5s ease-in-out infinite}@keyframes skeleton-pulse{0%, 100%{opacity:1}50%{opacity:0.5}}@media screen{#unifiedListModal:not(.hidden),#sharedLinkModal:not(.hidden),#onlineQuizUpsellModal:not(.hidden),[id^="createQuizModal-"]:not(.hidden),[id^="startQuizModal-"]:not(.hidden),[id^="createOnlineQuizModal-"]:not(.hidden){display:flex !important}}.lfm-close,.lfm-search-clear{width:auto}.close{background-color:transparent;border:0}.ulm-quiz-modal-content{--ulm-quiz-accent: #334F90;--ulm-quiz-accent-hover: #293f73;--ulm-quiz-focus-ring: rgba(51, 79, 144, 0.14);--ulm-quiz-shadow: rgba(51, 79, 143, 0.20);position:relative;width:calc(100% - 32px);max-width:440px;max-height:90vh;overflow-y:auto;padding:24px;border:none;border-radius:22px;background:#fff;box-shadow:0 24px 60px rgba(15,23,42,0.24)}.ulm-quiz-modal-content--quiz{--ulm-quiz-accent: #67b06a;--ulm-quiz-accent-hover: #559858;--ulm-quiz-focus-ring: rgba(103, 176, 106, 0.18);--ulm-quiz-shadow: rgba(103, 176, 106, 0.22)}.ulm-quiz-form{display:block !important;flex-direction:initial !important;align-items:stretch !important;justify-content:normal !important;gap:0 !important;width:100% !important;margin:0 !important;padding:0 !important;border:0 !important;border-radius:0 !important;background:transparent !important;box-shadow:none !important;text-align:left !important}.ulm-quiz-close{position:absolute;top:16px;right:18px;width:auto;padding:0 4px;border:0;background:transparent;color:#9ca3af;font-size:28px;line-height:1;cursor:pointer}.ulm-quiz-close:hover{color:#374151}.ulm-quiz-modal-title{margin:0 32px 6px 0;color:var(--ulm-quiz-accent);text-align:left;font-size:22px;line-height:1.3;font-weight:700;letter-spacing:0}.ulm-quiz-modal-description{margin:0 0 18px;color:#6b7280;font-size:13px;line-height:1.7}.ulm-quiz-form-group{display:flex;flex-direction:column;gap:14px}.ulm-quiz-range-row{display:grid;grid-template-columns:repeat(2, minmax(0, 1fr));gap:12px}.ulm-quiz-field{margin:0}.ulm-quiz-field label{display:block;margin-bottom:6px;color:#374151;font-size:12px;font-weight:700;line-height:1.4}.ulm-quiz-field input,.ulm-quiz-field select{width:100%;min-height:42px;margin:0;padding:10px 11px;border:1px solid #d1d5db;border-radius:12px;background:#f9fafb;color:#1f2937;font-size:13px;line-height:1.4;outline:none;box-shadow:none}.ulm-quiz-field input:focus,.ulm-quiz-field select:focus{border-color:var(--ulm-quiz-accent);box-shadow:0 0 0 3px var(--ulm-quiz-focus-ring)}.ulm-quiz-field input.ulm-quiz-field--invalid,.ulm-quiz-field select.ulm-quiz-field--invalid{border-color:#dc2626;background:#fff7f7;box-shadow:0 0 0 3px rgba(220,38,38,0.14)}.ulm-quiz-details{margin:2px 0 0;padding:12px;border:1px solid #e5e7eb;border-radius:12px;background:#f9fafb}.ulm-quiz-details summary{cursor:pointer;color:#374151;font-size:13px;font-weight:700;line-height:1.5;user-select:none}.ulm-quiz-details-body{display:flex;flex-direction:column;gap:14px;margin-top:14px}.ulm-quiz-details--compact{margin:0;padding:8px 10px;border-radius:10px}.ulm-quiz-details--compact summary{font-size:12px;font-weight:600;color:#6b7280}.ulm-quiz-details--compact .ulm-quiz-details-body{gap:10px;margin-top:10px}.ulm-quiz-type-options{display:flex;gap:6px}.ulm-quiz-type-option{flex:1;min-width:0;padding:7px 8px;border:1px solid #d1d5db;border-radius:8px;background:#fff;color:#374151;font-size:12px;font-weight:600;line-height:1.3;cursor:pointer;transition:background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease}.ulm-quiz-type-option:hover{border-color:var(--ulm-quiz-accent);background:#f9fafb}.ulm-quiz-type-option--active{border-color:var(--ulm-quiz-accent);background:var(--ulm-quiz-accent);color:#fff}.ulm-quiz-type-option--active:hover{background:var(--ulm-quiz-accent-hover);border-color:var(--ulm-quiz-accent-hover)}.ulm-quiz-type-hint{margin:0;font-size:11px;line-height:1.45;color:#9ca3af}.ulm-quiz-checkbox-row{display:flex;align-items:center;gap:8px;color:#4b5563;font-size:13px;line-height:1.5}.ulm-quiz-checkbox-row input{width:auto;margin:0}.ulm-quiz-checkbox-row label{margin:0}.ulm-quiz-submit{width:100%;margin:20px 0 0;padding:12px 16px !important;border:0;border-radius:999px !important;background:var(--ulm-quiz-accent);color:#fff;font-size:15px !important;font-weight:700;line-height:1.4;box-shadow:0 10px 22px var(--ulm-quiz-shadow);cursor:pointer;transition:background .15s ease, transform .15s ease, box-shadow .15s ease}.ulm-quiz-submit:hover{background:var(--ulm-quiz-accent-hover);box-shadow:0 12px 24px var(--ulm-quiz-shadow)}.ulm-quiz-submit:active{transform:translateY(1px)}@media (max-width: 420px){.ulm-quiz-modal-content{width:calc(100% - 12px);padding:22px 24px}.ulm-quiz-range-row{gap:10px}}@media print{.lfm-modal-root,#listFinderModal,#unifiedListModal,#sharedLinkModal,#onlineQuizUpsellModal,[id^="createQuizModal-"],[id^="startQuizModal-"],[id^="createOnlineQuizModal-"]{display:none !important}}