:root{--bg-dark: #1A1A1A;--bg-secondary: #262626;--secondary: #FFD28F;--tertiary: #5F4BB6;--text-main: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--easy: #10b981;--medium: #E2B220;--hard: #ef4444;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", ui-monospace, monospace;--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);font-family:var(--font-sans);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff40}.custom-dropdown[data-v-1a48d261]{position:relative;display:inline-block;-webkit-user-select:none;user-select:none}.dropdown-trigger[data-v-1a48d261]{display:flex;align-items:center;gap:.5rem;background-color:var(--bg-dark);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);padding:.55rem .85rem;color:var(--text-main);font-size:.85rem;font-family:inherit;cursor:pointer;transition:all .15s ease-in-out;white-space:nowrap;min-width:140px;width:100%;justify-content:space-between;height:40px}.dropdown-trigger[data-v-1a48d261]:hover:not(:disabled){border-color:#ffffff40;background-color:#222}.custom-dropdown.open .dropdown-trigger[data-v-1a48d261]{border-color:var(--secondary);box-shadow:0 0 0 2px #ffd28f26}.dropdown-trigger[data-v-1a48d261]:disabled{opacity:.5;cursor:not-allowed}.trigger-icon[data-v-1a48d261]{width:.95rem;height:.95rem;color:var(--text-muted);flex-shrink:0}.trigger-label[data-v-1a48d261]{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.trigger-label.placeholder[data-v-1a48d261]{color:var(--text-muted)}.chevron-icon[data-v-1a48d261]{width:.9rem;height:.9rem;color:var(--text-muted);transition:transform .2s ease;flex-shrink:0;margin-left:.25rem}.chevron-icon.rotated[data-v-1a48d261]{transform:rotate(180deg);color:var(--secondary)}.dropdown-menu[data-v-1a48d261]{position:absolute;top:calc(100% + 6px);left:0;min-width:100%;width:max-content;max-width:300px;background-color:var(--bg-secondary);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);box-shadow:0 10px 25px -5px #00000080,0 8px 10px -6px #00000080;z-index:100;overflow:hidden;display:flex;flex-direction:column}.dropdown-header[data-v-1a48d261]{display:flex;align-items:center;gap:.5rem;padding:.5rem;border-bottom:1px solid rgba(255,255,255,.08);background-color:#0003}.search-input-wrapper[data-v-1a48d261]{position:relative;flex:1;display:flex;align-items:center}.search-icon[data-v-1a48d261]{position:absolute;left:.5rem;width:.85rem;height:.85rem;color:var(--text-muted);pointer-events:none}.dropdown-search-input[data-v-1a48d261]{width:100%;background-color:var(--bg-dark);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);padding:.35rem 1.6rem .35rem 1.75rem;color:var(--text-main);font-size:.8rem;outline:none;font-family:inherit}.dropdown-search-input[data-v-1a48d261]:focus{border-color:var(--secondary)}.clear-search-btn[data-v-1a48d261]{position:absolute;right:.35rem;background:transparent;border:none;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:2px;border-radius:50%}.clear-search-btn[data-v-1a48d261]:hover{color:var(--text-main);background-color:#ffffff1a}.clear-icon[data-v-1a48d261]{width:.75rem;height:.75rem}.sort-toggle-btn[data-v-1a48d261]{display:flex;align-items:center;gap:.25rem;background-color:var(--bg-dark);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);padding:.35rem .5rem;color:var(--text-muted);font-size:.75rem;cursor:pointer;transition:all .15s ease;white-space:nowrap}.sort-toggle-btn[data-v-1a48d261]:hover,.sort-toggle-btn.active[data-v-1a48d261]{color:var(--secondary);border-color:var(--secondary);background-color:#ffd28f14}.sort-icon[data-v-1a48d261]{width:.8rem;height:.8rem}.sort-badge[data-v-1a48d261]{font-weight:700;font-size:.7rem}.dropdown-options[data-v-1a48d261]{list-style:none;margin:0;padding:.35rem;max-height:min(360px,55vh);overflow-y:auto;display:flex;flex-direction:column;gap:.15rem}.dropdown-options[data-v-1a48d261]::-webkit-scrollbar{width:5px}.dropdown-options[data-v-1a48d261]::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:4px}.dropdown-option[data-v-1a48d261]{display:flex;align-items:center;justify-content:space-between;padding:.45rem .65rem;border-radius:var(--radius-sm);font-size:.825rem;color:var(--text-main);cursor:pointer;transition:background-color .12s ease}.dropdown-option[data-v-1a48d261]:hover{background-color:#ffffff14}.dropdown-option.selected[data-v-1a48d261]{background-color:#ffd28f1f;color:var(--secondary);font-weight:600}.checkbox-box[data-v-1a48d261]{width:.95rem;height:.95rem;border:1px solid rgba(255,255,255,.3);border-radius:3px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-right:.45rem;transition:all .12s ease}.checkbox-box.checked[data-v-1a48d261]{background-color:var(--secondary);border-color:var(--secondary)}.check-box-icon[data-v-1a48d261]{width:.75rem;height:.75rem;color:#121212;stroke-width:3}.option-label[data-v-1a48d261]{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.check-icon[data-v-1a48d261]{width:.85rem;height:.85rem;color:var(--secondary);flex-shrink:0}.dropdown-empty[data-v-1a48d261]{padding:1rem .75rem;font-size:.8rem;color:var(--text-muted);text-align:center}.dropdown-pop-enter-active[data-v-1a48d261],.dropdown-pop-leave-active[data-v-1a48d261]{transition:opacity .15s ease,transform .15s ease}.dropdown-pop-enter-from[data-v-1a48d261],.dropdown-pop-leave-to[data-v-1a48d261]{opacity:0;transform:translateY(-4px)}.tooltip-wrapper[data-v-15fc8353]{position:relative;display:inline-flex;align-items:center;max-width:100%;min-width:0}.tooltip-wrapper.is-active[data-v-15fc8353]{z-index:100}.tooltip-box[data-v-15fc8353]{position:absolute;z-index:1000;padding:.35rem .65rem;background-color:#18181b;color:var(--text-main, #f1f5f9);font-size:.78rem;font-weight:500;line-height:1.3;border:1px solid rgba(255,255,255,.12);border-radius:6px;pointer-events:none;white-space:normal;word-break:break-word;max-width:260px;width:max-content}.tooltip-box.top[data-v-15fc8353]{bottom:100%;left:50%;transform:translate(-50%);margin-bottom:7px}.tooltip-box.bottom[data-v-15fc8353]{top:100%;left:50%;transform:translate(-50%);margin-top:7px}.tooltip-box.left[data-v-15fc8353]{right:100%;top:50%;transform:translateY(-50%);margin-right:7px}.tooltip-box.right[data-v-15fc8353]{left:100%;top:50%;transform:translateY(-50%);margin-left:7px}.tooltip-arrow[data-v-15fc8353]{position:absolute;width:6px;height:6px;background-color:#18181b;border:inherit;transform:rotate(45deg)}.tooltip-box.top .tooltip-arrow[data-v-15fc8353]{bottom:-4px;left:50%;margin-left:-3px;border-top:none;border-left:none}.tooltip-box.bottom .tooltip-arrow[data-v-15fc8353]{top:-4px;left:50%;margin-left:-3px;border-bottom:none;border-right:none}.tooltip-box.left .tooltip-arrow[data-v-15fc8353]{right:-4px;top:50%;margin-top:-3px;border-bottom:none;border-left:none}.tooltip-box.right .tooltip-arrow[data-v-15fc8353]{left:-4px;top:50%;margin-top:-3px;border-top:none;border-right:none}.tooltip-fade-enter-active[data-v-15fc8353],.tooltip-fade-leave-active[data-v-15fc8353]{transition:opacity .12s ease,transform .12s ease}.tooltip-fade-enter-from[data-v-15fc8353],.tooltip-fade-leave-to[data-v-15fc8353]{opacity:0}.tooltip-box.top.tooltip-fade-enter-from[data-v-15fc8353],.tooltip-box.top.tooltip-fade-leave-to[data-v-15fc8353]{transform:translate(-50%,4px)}.tooltip-box.bottom.tooltip-fade-enter-from[data-v-15fc8353],.tooltip-box.bottom.tooltip-fade-leave-to[data-v-15fc8353]{transform:translate(-50%,-4px)}.tooltip-box.left.tooltip-fade-enter-from[data-v-15fc8353],.tooltip-box.left.tooltip-fade-leave-to[data-v-15fc8353]{transform:translate(-50%,4px)}.tooltip-box.right.tooltip-fade-enter-from[data-v-15fc8353],.tooltip-box.right.tooltip-fade-leave-to[data-v-15fc8353]{transform:translate(-50%,-4px)}.recommendations-container[data-v-24b148be]{display:flex;flex-direction:column;align-items:center;gap:1.5rem;width:100%;max-width:800px;margin:0 auto;padding:3.5rem 1rem 3rem}.page-header[data-v-24b148be]{text-align:center;width:100%}.title[data-v-24b148be]{font-size:4rem;font-weight:700;color:var(--secondary);line-height:1.1;margin-bottom:.25rem}.controls-toolbar[data-v-24b148be]{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;width:100%;flex-wrap:wrap}.topic-picker-wrapper[data-v-24b148be]{flex:0 0 auto}.elo-slider-card[data-v-24b148be]{flex:1 1 240px;background-color:var(--bg-secondary);border-radius:var(--radius-md);padding:.5rem .9rem;display:flex;flex-direction:column;gap:.35rem;height:40px;justify-content:center}.elo-header[data-v-24b148be]{display:flex;justify-content:space-between;align-items:center;line-height:1}.elo-title[data-v-24b148be]{font-size:.725rem;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.03em}.elo-value[data-v-24b148be]{font-size:.75rem;font-family:var(--font-mono);color:var(--secondary);font-weight:600}.dual-range-wrapper[data-v-24b148be]{position:relative;width:100%;height:12px;display:flex;align-items:center}.slider-track[data-v-24b148be]{position:absolute;width:100%;height:4px;background-color:var(--bg-dark);border-radius:2px}.slider-range[data-v-24b148be]{position:absolute;height:4px;background-color:var(--secondary);border-radius:2px}.range-input[data-v-24b148be]{position:absolute;width:100%;height:4px;background:transparent;pointer-events:none;-moz-appearance:none;appearance:none;-webkit-appearance:none;margin:0;outline:none}.range-input[data-v-24b148be]::-webkit-slider-thumb{pointer-events:auto;-moz-appearance:none;appearance:none;-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background-color:var(--secondary);cursor:pointer;border:2px solid var(--bg-secondary);transition:transform .1s ease}.range-input[data-v-24b148be]::-webkit-slider-thumb:hover{transform:scale(1.2)}.range-input[data-v-24b148be]::-moz-range-thumb{pointer-events:auto;width:12px;height:12px;border-radius:50%;background-color:var(--secondary);cursor:pointer;border:2px solid var(--bg-secondary)}.refresh-btn[data-v-24b148be]{display:flex;align-items:center;gap:.5rem;background-color:var(--bg-secondary);color:var(--text-main);border:none;border-radius:var(--radius-md);padding:.6rem 1.1rem;font-size:.875rem;font-weight:500;font-family:inherit;cursor:pointer;height:40px;flex-shrink:0;transition:background-color .15s ease}.refresh-btn[data-v-24b148be]:hover:not(:disabled){background-color:#ffffff14}.refresh-btn[data-v-24b148be]:disabled{opacity:.6;cursor:not-allowed}.btn-icon[data-v-24b148be]{width:1rem;height:1rem}.btn-icon.spin[data-v-24b148be]{animation:spin-24b148be .8s linear infinite}.questions-list[data-v-24b148be]{display:flex;flex-direction:column;gap:.4rem;width:100%}.question-card[data-v-24b148be]{display:flex;align-items:center;background-color:var(--bg-secondary);border-radius:var(--radius-md);padding:.85rem 1.2rem;transition:background-color .15s ease}.question-card[data-v-24b148be]:hover{background-color:#2b2b2b}.card-content[data-v-24b148be]{display:flex;align-items:center;justify-content:space-between;gap:1rem;width:100%}.question-main[data-v-24b148be]{display:flex;align-items:center;gap:.75rem;min-width:0;overflow:hidden}.question-id[data-v-24b148be]{font-family:var(--font-mono);font-size:.85rem;color:var(--text-muted);flex-shrink:0}.question-title[data-v-24b148be]{font-size:.95rem;font-weight:500;color:var(--text-main);text-decoration:none;display:inline-flex;align-items:center;gap:.35rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .15s ease}.question-title[data-v-24b148be]:hover{color:var(--secondary)}.ext-icon[data-v-24b148be]{width:.85rem;height:.85rem;opacity:.6;flex-shrink:0}.question-meta[data-v-24b148be]{display:flex;align-items:center;gap:.75rem;flex-shrink:0}.difficulty-badge[data-v-24b148be]{font-size:.8rem;font-weight:600}.difficulty-badge.easy[data-v-24b148be]{color:var(--easy)}.difficulty-badge.medium[data-v-24b148be]{color:var(--medium)}.difficulty-badge.hard[data-v-24b148be]{color:var(--hard)}.rating-badge[data-v-24b148be]{font-family:var(--font-mono);font-size:.75rem;font-weight:600;background-color:#ffd28f1f;color:var(--secondary);padding:.1rem .4rem;border-radius:var(--radius-sm)}.ac-rate[data-v-24b148be]{font-family:var(--font-mono);font-size:.8rem;color:var(--text-muted)}.state-container[data-v-24b148be]{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:3rem 1rem;color:var(--text-muted);width:100%}.state-container.error[data-v-24b148be]{color:var(--hard)}.state-spinner[data-v-24b148be]{width:1.75rem;height:1.75rem;color:var(--secondary);animation:spin-24b148be .8s linear infinite}.state-text[data-v-24b148be]{font-size:.95rem}.retry-btn[data-v-24b148be]{background-color:var(--bg-secondary);color:var(--text-main);border:none;border-radius:var(--radius-md);padding:.5rem 1rem;font-size:.85rem;cursor:pointer}@keyframes spin-24b148be{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:640px){.title[data-v-24b148be]{font-size:2.75rem}.controls-toolbar[data-v-24b148be]{flex-direction:column;align-items:stretch;gap:.75rem}.topic-picker-wrapper[data-v-24b148be],.elo-slider-card[data-v-24b148be]{flex:1 1 auto;width:100%}.refresh-btn[data-v-24b148be]{width:100%;justify-content:center}}