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var(--color-focus);outline-offset:-2px}._menuItem_h2hzw_138:disabled{color:var(--color-text-muted);cursor:default}._menuDivider_h2hzw_169{border:none;border-top:1px solid var(--color-border);width:100%;margin:0}._bar_rzrmn_14{z-index:5;gap:var(--space-3);margin:auto calc(-1 * var(--shell-pad-right,0px)) calc(-1 * var(--shell-bottom,0px)) calc(-1 * var(--shell-pad-left,0px));padding-block:var(--space-3) calc(var(--space-3) + env(safe-area-inset-bottom));padding-inline:var(--shell-pad-left,var(--space-4)) var(--shell-pad-right,var(--space-4));border-top:1px solid var(--color-border);box-shadow:0 -4px 12px -6px var(--color-bg-overlay);background:var(--color-bg-raised);display:flex;position:sticky;bottom:0}._bar_rzrmn_14>*{flex:1}@media (width>=768px){._bar_rzrmn_14{bottom:var(--space-4);margin:var(--space-2) 0 0;padding:var(--space-3);border:1px solid 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.token.operator{color:var(--color-text-muted)}._figure_13a5p_1{gap:var(--space-2);flex-direction:column;margin:0;display:flex}._svg_13a5p_8{padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-raised);justify-content:center;display:flex}._svg_13a5p_8 svg{max-width:100%;height:auto}._note_13a5p_23{color:var(--color-text-muted);font-size:var(--text-sm)}._source_13a5p_28{padding:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-raised);font-size:var(--text-sm);margin:0;overflow-x:auto}._options_z8bv0_2{gap:var(--space-2);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}._option_z8bv0_2{align-items:center;gap:var(--space-3);min-height:var(--tap-target);padding:var(--space-2) var(--space-3);border:1px solid 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._mark_z8bv0_36{border-color:var(--badge-solved-fg);color:var(--badge-solved-fg)}._tick_z8bv0_56{width:.875rem;height:.875rem}._dot_z8bv0_61{background:currentColor;border-radius:50%;width:.625rem;height:.625rem}._correct_z8bv0_68{color:var(--badge-solved-fg);font-size:var(--text-sm);font-weight:var(--weight-bold);flex:none}._input_zhej0_2{--selected-bg:color-mix(in srgb, var(--color-accent) 12%, var(--color-bg));gap:var(--space-2);flex-direction:column;display:flex}._options_zhej0_11{gap:var(--space-2);flex-direction:column;display:flex}._option_zhej0_11{align-items:center;gap:var(--space-3);width:100%;min-height:var(--tap-target);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);line-height:var(--leading-tight);text-align:left;cursor:pointer;display:flex}._option_zhej0_11:disabled{cursor:default;opacity:.6}._check_zhej0_38{border:1px solid 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(prefers-reduced-motion:reduce){._shake_zhej0_167{animation:none}}._stack_x9n21_1{gap:var(--space-2);flex-direction:column;min-width:0;display:flex}._row_x9n21_9{align-items:center;gap:var(--space-3);display:flex}._row_x9n21_9>button{flex:1}._row_x9n21_9>:not(button){flex:none}._retry_x9n21_23{color:var(--color-text-muted);font-size:var(--text-sm)}._meta_x9n21_29{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}._quiet_x9n21_36{min-height:var(--tap-target);color:var(--color-text-muted);font-size:var(--text-sm);cursor:pointer;background:0 0;border:none;margin-left:auto;padding:0;text-decoration:underline}._quiet_x9n21_36:disabled{cursor:default;opacity:.6}._answerCard_x9n21_60{padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-raised)}._slot_x9n21_68{flex-direction:column;display:flex}._slot_x9n21_68:empty{display:none}._stack_s7rhu_1{gap:var(--space-3);flex-direction:column;display:flex}._reasons_s7rhu_7{gap:var(--space-1);border:none;flex-direction:column;margin:0;padding:0;display:flex}._legend_s7rhu_16{margin-bottom:var(--space-2);font-weight:var(--weight-bold);padding:0}._reason_s7rhu_7{align-items:center;gap:var(--space-3);min-height:var(--tap-target);cursor:pointer;display:flex}._reason_s7rhu_7 input{width:1.25rem;height:1.25rem;accent-color:var(--color-accent);margin:0}._noteLabel_s7rhu_37{font-weight:var(--weight-bold)}._textarea_s7rhu_41{width:100%;padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text);font:inherit;font-size:var(--text-md);resize:vertical}._problem_s7rhu_54{padding:var(--space-3) var(--space-4);border:1px 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var(--color-border);border-radius:var(--radius-md);flex-direction:column;display:flex}._hint_o7n51_52{background:var(--color-bg-raised)}._label_o7n51_67{color:var(--color-text-muted);font-size:var(--text-sm)}._answerList_o7n51_72{padding-left:var(--space-5);margin:0}._note_o7n51_77{color:var(--color-text-muted);font-size:var(--text-sm)}._problem_o7n51_82{padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md)}._chip_2qg0f_5{padding:0 var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-bg-raised);color:var(--color-text-muted);font-size:var(--text-sm);white-space:nowrap;align-items:center;display:inline-flex}._label_2qg0f_17{color:var(--color-text);font-weight:var(--weight-bold)}._hidden_2qg0f_23{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}._chip_5rw3n_6{padding:0 var(--space-2);border:1px solid var(--tier-color);border-radius:var(--radius-pill);background:color-mix(in srgb, var(--tier-color) 18%, var(--color-bg-raised));color:var(--color-text-muted);font-size:var(--text-sm);white-space:nowrap;align-items:center;display:inline-flex}._label_5rw3n_18{color:var(--color-text);font-weight:var(--weight-bold)}._hidden_5rw3n_24{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}._hint_1rgh2_3{vertical-align:middle;margin-left:var(--space-1);display:inline-flex;position:relative}._button_1rgh2_11{min-width:var(--tap-target);min-height:var(--tap-target);margin:calc((24px - var(--tap-target)) / 2);color:var(--color-text-muted);cursor:help;background:0 0;border:0;justify-content:center;align-items:center;padding:0;display:inline-flex}._button_1rgh2_11:hover,._button_1rgh2_11[aria-expanded=true]{color:var(--color-text)}._tip_1rgh2_30{top:calc(100% + var(--space-2));z-index:10;width:max-content;max-width:min(16rem, calc(100vw - 2 * 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0;border:none;align-self:flex-start;padding:0;text-decoration:underline}._card_1kykd_2{align-items:center;gap:var(--space-2);width:100%;height:100%;min-height:var(--tap-target);padding:var(--space-3) var(--space-4);border:1px dashed var(--color-border);border-radius:var(--radius-md);color:var(--color-text-muted);font:inherit;text-align:start;cursor:pointer;background:0 0;display:flex}._card_1kykd_2:hover{background:var(--color-bg-raised)}._plus_1kykd_23{font-size:var(--text-lg);font-weight:var(--weight-bold);line-height:1}._body_rqdys_1{gap:var(--space-3);flex-direction:column;display:flex}._label_rqdys_7{font-weight:var(--weight-bold)}._optional_rqdys_11{color:var(--color-text-muted);font-weight:var(--weight-normal)}._field_rqdys_16{width:100%;min-height:var(--tap-target);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text);font:inherit;font-size:var(--text-md)}._note_rqdys_29{resize:vertical}._problem_rqdys_33{color:var(--color-fail);font-size:var(--text-sm);margin:0}._tag_1n48t_7{top:0;left:var(--space-3);padding:1px var(--space-1);border-radius:var(--radius-sm);font-size:calc(var(--text-sm) * .8);font-weight:var(--weight-bold);line-height:var(--leading-tight);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;position:absolute;transform:translateY(-50%)}._new_1n48t_22{background:var(--tag-new-bg);color:var(--tag-new-fg)}._popular_1n48t_27{background:var(--tag-popular-bg);color:var(--tag-popular-fg)}._hidden_1n48t_33{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}._row_ljg0o_1{justify-content:space-between;align-items:center;gap:var(--space-2);height:100%;min-height:var(--tap-target);padding:var(--space-3) var(--space-4);border:1px solid 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var(--space-4);border-radius:inherit;flex-direction:column;text-decoration:none;display:flex}._title_s58sp_17{font-weight:var(--weight-bold)}._detail_s58sp_21{color:var(--color-text-muted);font-size:var(--text-sm)}._streak_16ncv_1{color:var(--color-text-muted);font-size:var(--text-sm);margin:0}._current_16ncv_7{color:var(--color-text);font-weight:var(--weight-bold)}._section_qe6n0_2{gap:var(--space-3);flex-direction:column;display:flex}._cards_qe6n0_8{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}._card_qe6n0_8{align-items:center;gap:var(--space-4);min-height:calc(var(--tap-target) * 2);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-raised);color:var(--color-text);text-decoration:none;display:flex}._card_qe6n0_8:hover{border-color:var(--color-accent)}._icon_qe6n0_33{font-size:var(--text-xl);flex:none;line-height:1}._text_qe6n0_39{gap:var(--space-1);flex-direction:column;flex:1;min-width:0;display:flex}._name_qe6n0_47{font-size:var(--text-lg);font-weight:var(--weight-bold);line-height:var(--leading-tight)}._line_qe6n0_53{color:var(--color-text-muted);font-size:var(--text-sm)}._chevron_qe6n0_58{color:var(--color-text-muted);font-size:var(--text-xl);flex:none;line-height:1}._banner_1agfh_1{padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-raised)}._tape_4ogya_6{gap:var(--space-1);--tape-fade:var(--space-6);grid-template-columns:minmax(0,1fr);display:grid}._row_4ogya_18{padding-block:var(--space-3) var(--space-1);scroll-snap-type:x proximity;scroll-padding-inline:var(--tape-fade);scrollbar-width:thin;-webkit-mask-image:linear-gradient(to right, transparent, var(--color-text) var(--tape-fade), var(--color-text) calc(100% - var(--tape-fade)), transparent);mask-image:linear-gradient(to right, transparent, var(--color-text) var(--tape-fade), var(--color-text) calc(100% - var(--tape-fade)), transparent);overflow-x:auto}._track_4ogya_33{width:max-content;display:flex}._copy_4ogya_39{gap:var(--space-2);padding:0 var(--tape-fade);margin:0;list-style:none;display:flex}._copy_4ogya_39 li{scroll-snap-align:start}._duplicate_4ogya_52{display:none}@media (prefers-reduced-motion:no-preference){._moving_4ogya_67 ._row_4ogya_18{scroll-snap-type:none;overflow:hidden}._moving_4ogya_67 ._track_4ogya_33{min-width:200%;animation:_tape_4ogya_6 var(--tape-loop) linear infinite}._moving_4ogya_67 ._rightward_4ogya_77 ._track_4ogya_33{animation-direction:reverse}._moving_4ogya_67 ._copy_4ogya_39{padding:0 var(--space-2) 0 0;flex:1 0 auto;justify-content:space-around}._moving_4ogya_67 ._duplicate_4ogya_52{display:flex}}@keyframes _tape_4ogya_6{to{transform:translate(-50%)}}._chip_4ogya_100{min-height:var(--tap-target);padding:var(--space-2) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);font-weight:var(--weight-bold);white-space:nowrap;align-items:center;text-decoration:none;display:flex;position:relative}._chip_4ogya_100:hover{background:var(--color-bg-raised)}._hidden_4ogya_119{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}._hero_p1edg_2{align-items:flex-start;gap:var(--space-3);padding-top:var(--space-6);flex-direction:column;display:flex}._hero_p1edg_2 p{color:var(--color-text-muted);font-size:var(--text-lg)}._cta_p1edg_16{margin-top:var(--space-3);align-self:stretch}@media (width>=768px){._cta_p1edg_16{align-self:flex-start}}._page_x3f18_1{gap:var(--space-5);flex-direction:column;display:flex}._header_x3f18_7{gap:var(--space-1);flex-direction:column;display:flex}._updated_x3f18_13{color:var(--color-text-muted);font-size:var(--text-sm)}._section_x3f18_18{gap:var(--space-2);flex-direction:column;display:flex}._section_x3f18_18 h2{font-size:var(--text-lg)}._page_x3f18_1>p,._section_x3f18_18 p,._section_x3f18_18 ul{color:var(--color-text-muted);line-height:var(--leading-normal)}._section_x3f18_18 ul{gap:var(--space-2);padding-left:var(--space-5);flex-direction:column;list-style:outside;display:flex}._section_x3f18_18 strong{color:var(--color-text)}._dots_1cj4q_2{justify-content:space-between;margin:0;padding:0;list-style:none;display:flex}._dots_1cj4q_2:has(>:nth-child(9)){grid-template-columns:repeat(5, minmax(0, var(--tap-target)));justify-content:space-between;display:grid}@media (width>=768px){._dots_1cj4q_2:has(>:nth-child(9)){display:flex}}._item_1cj4q_26{max-width:var(--tap-target);flex:1;justify-content:center;display:flex}._button_1cj4q_33{width:100%;min-height:var(--tap-target);border-radius:var(--radius-pill);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:0;display:inline-flex}._dot_1cj4q_2{border:2px solid var(--color-border);border-radius:var(--radius-pill);width:.75rem;height:.75rem}._button_1cj4q_33[aria-current=step] ._dot_1cj4q_2{outline:2px solid var(--color-text);outline-offset:2px;width:1rem;height:1rem}._button_1cj4q_33[data-state=current] ._dot_1cj4q_2{border-color:var(--color-text)}._button_1cj4q_33[data-state=skipped] ._dot_1cj4q_2{border-color:var(--color-text-muted)}._button_1cj4q_33[data-state=solved]{--dot-bg:var(--badge-solved-bg);--dot-fg:var(--badge-solved-fg)}._button_1cj4q_33[data-state=learned]{--dot-bg:var(--badge-learned-bg);--dot-fg:var(--badge-learned-fg)}._button_1cj4q_33[data-state=solved] ._dot_1cj4q_2,._button_1cj4q_33[data-state=learned] ._dot_1cj4q_2{border-color:var(--dot-fg);background:var(--dot-fg);width:1rem;height:1rem;color:var(--dot-bg);justify-content:center;align-items:center;display:inline-flex}._icon_1cj4q_91{stroke-width:2.5px;width:.75rem;height:.75rem}._actions_j7vwj_2{gap:var(--space-1);flex-direction:column;width:100%;display:flex}._label_j7vwj_9{color:var(--color-text-muted);font-size:var(--text-sm)}._options_j7vwj_15{gap:var(--space-2);display:flex}._option_j7vwj_15{gap:var(--space-1);min-width:0;padding:0 var(--space-2);white-space:nowrap;flex:1}._stacked_j7vwj_32{min-width:0;padding:var(--space-1);font-size:var(--text-sm);text-align:center;text-wrap:balance;flex-direction:column;flex:1;gap:0;line-height:1.2}._alert_9dnkm_1{padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-raised)}._body_12rtx_1,._body_1le4z_1{gap:var(--space-3);flex-direction:column;display:flex}._label_1le4z_7{font-weight:var(--weight-bold)}._note_1le4z_11{color:var(--color-text-muted);font-size:var(--text-sm);margin:0}._field_1le4z_18{width:100%;min-height:calc(6lh + 2 * var(--space-2));max-height:33dvh;padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text);font:inherit;font-size:var(--text-md);resize:vertical;field-sizing:content}._field_1le4z_18[aria-invalid=true]{border-color:var(--color-fail)}._counter_1le4z_38{color:var(--color-text-muted);font-size:var(--text-sm);font-variant-numeric:tabular-nums;align-self:flex-end;margin:0}._over_1le4z_46{color:var(--color-fail)}._problem_1le4z_50{color:var(--color-fail);font-size:var(--text-sm);margin:0}._section_zn8f8_1{gap:var(--space-3);flex-direction:column;display:flex}._heading_zn8f8_7{font-size:var(--text-lg)}._totals_zn8f8_12{align-items:center;gap:var(--space-2) var(--space-3);flex-wrap:wrap;display:flex}._time_zn8f8_19{color:var(--color-text-muted);margin:0}._value_zn8f8_24{color:var(--color-text);font-weight:var(--weight-bold);font-variant-numeric:tabular-nums}._rows_zn8f8_30{border-top:1px solid var(--color-border);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}._row_zn8f8_30{align-items:center;gap:var(--space-3);min-height:var(--tap-target);padding-block:var(--space-2);border-bottom:1px solid var(--color-border);text-decoration:none;display:flex}._number_zn8f8_51{min-width:1.5ch;color:var(--color-text-muted);font-variant-numeric:tabular-nums;text-align:end;flex:none}._type_zn8f8_59{flex:1;min-width:0}._share_1trim_6{flex:1 1 var(--tap-target);align-items:flex-start;gap:var(--space-2);flex-direction:column;min-width:0;display:flex}._notice_1trim_15{font-size:var(--text-sm)}._manual_1trim_19{align-self:stretch;gap:var(--space-1);flex-direction:column;display:flex}._link_1trim_26{min-height:var(--tap-target);padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-raised);color:var(--color-text);font:inherit;font-size:var(--text-md)}._stack_sz73d_1{gap:var(--space-3);flex-direction:column;display:flex}._vote_p625l_1{gap:var(--space-2);flex-direction:column;display:flex}._row_p625l_8{gap:var(--space-2);display:flex}._button_p625l_14[aria-pressed=true],._button_p625l_14[data-written]{border-color:var(--color-text);background:var(--color-bg-raised);color:var(--color-text)}._down_p625l_21 ._icon_p625l_13{transform:scaleY(-1)}._failed_p625l_25{font-size:var(--text-sm)}._complete_5zqdk_1{font-weight:var(--weight-bold)}@media (prefers-reduced-motion:no-preference){._celebrate_5zqdk_7{transform-origin:0;animation:.3s ease-out _pop-in_5zqdk_1}}@keyframes _pop-in_5zqdk_1{0%{opacity:0;transform:scale(.8)}}._feedback_5zqdk_21{align-items:flex-start;gap:var(--space-3);flex-wrap:wrap;display:flex}._guest_5zqdk_29{align-items:stretch;gap:var(--space-3);flex-direction:column;display:flex}._home_5zqdk_36{min-height:var(--tap-target);color:var(--color-text-muted);font-size:var(--text-sm);align-self:center;align-items:center;display:inline-flex}@media (width>=768px){._guest_5zqdk_29{align-items:flex-start}._home_5zqdk_36,._read_5zqdk_57{align-self:flex-start}}._header_17teu_2{gap:var(--space-1);padding-bottom:var(--space-3);border-bottom:1px solid var(--color-border);flex-direction:column;display:flex}._company_17teu_10,._status_17teu_11{color:var(--color-text-muted);font-size:var(--text-sm);margin:0}._title_17teu_17{margin:0}._section_17teu_21{gap:var(--space-3);flex-direction:column;display:flex}._heading_17teu_27{margin:0}._toggle_17teu_32{align-items:center;gap:var(--space-2);width:100%;min-height:var(--tap-target);color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;padding:0;display:flex}._toggle_17teu_32:after{content:"›" / "";color:var(--color-text-muted);font-size:var(--text-lg);font-weight:var(--weight-normal);margin-inline-start:auto;line-height:1;transition:transform .15s;transform:rotate(90deg)}._toggle_17teu_32[aria-expanded=true]:after{transform:rotate(-90deg)}@media (prefers-reduced-motion:reduce){._toggle_17teu_32:after{transition:none}}._body_17teu_69{gap:var(--space-3);flex-direction:column;display:flex}._teaser_17teu_79{max-height:calc(3 * var(--leading-normal) * 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