[dir] .parser-books-container[data-v-f06db17e]{padding:1.5rem}.course-scroll[data-v-f06db17e]{max-height:calc(100vh - 160px);overflow-y:auto}[dir=ltr] .course-scroll[data-v-f06db17e]{padding-right:4px}[dir=rtl] .course-scroll[data-v-f06db17e]{padding-left:4px}.course-card[data-v-f06db17e]{user-select:none;transition:box-shadow .18s ease,transform .12s ease}[dir] .course-card[data-v-f06db17e]{background:#fff;border-radius:12px;padding:14px 16px;box-shadow:0 1px 6px rgba(0,0,0,.07);cursor:pointer;border:1.5px solid transparent}[dir] .course-card[data-v-f06db17e]:hover{box-shadow:0 3px 12px rgba(0,0,0,.11);transform:translateY(-1px)}[dir] .course-card--active[data-v-f06db17e]{border-color:#7367f0;box-shadow:0 3px 12px rgba(115,103,240,.18)}.drag-icon[data-v-f06db17e],.more-icon[data-v-f06db17e]{color:#b0b8c1;flex-shrink:0}.course-name[data-v-f06db17e]{font-size:.9rem;font-weight:600;color:#3d3d3d;line-height:1.3}.course-meta[data-v-f06db17e]{font-size:.72rem}[dir] .course-meta[data-v-f06db17e]{margin-top:2px}.file-list[data-v-f06db17e]{display:flex;flex-direction:column;gap:6px}.file-card[data-v-f06db17e]{transition:background-color .15s ease,box-shadow .15s ease}[dir] .file-card[data-v-f06db17e]{background:#fff;border-radius:8px;padding:10px 14px;box-shadow:0 1px 4px rgba(0,0,0,.05);cursor:pointer;border:1.5px solid transparent}[dir] .file-card[data-v-f06db17e]:hover{background-color:#f5f3ff;box-shadow:0 2px 8px rgba(115,103,240,.1)}[dir] .file-card--active[data-v-f06db17e]{background-color:#ede9ff;border-color:#7367f0}.file-name[data-v-f06db17e]{font-size:.8rem;font-weight:500;color:#3d3d3d;line-height:1.3}.file-date[data-v-f06db17e]{font-size:.68rem}[dir] .file-date[data-v-f06db17e]{margin-top:2px}.viewer-card[data-v-f06db17e]{max-height:calc(100vh - 160px);overflow-y:auto}[dir] .viewer-card[data-v-f06db17e]{background:#fff;border-radius:12px;padding:24px 28px;box-shadow:0 1px 6px rgba(0,0,0,.07)}.viewer-card--fullscreen[data-v-f06db17e]{position:fixed;inset:0;z-index:9999;max-height:100vh}[dir] .viewer-card--fullscreen[data-v-f06db17e]{border-radius:0;padding:28px 40px;box-shadow:none}[dir] .viewer-header[data-v-f06db17e]{border-bottom:1px solid #f0f0f0;padding-bottom:12px}.viewer-placeholder[data-v-f06db17e]{min-height:400px;color:#b0b8c1}