:root{--bg:#0b1f3a;--fg:#fff;--fg-dim:#8fa3c0;--correct:#22c55e;--wrong:#eab308;--surface:#122a4d;--border:#1f3a63;--tier-mastered:#3b82f6;--tier-good:#22c55e;--tier-ok:#eab308;--tier-bad:#f97316;--tier-learning:#6b7280;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font:18px/1.4 var(--sans);font-variant-numeric:tabular-nums;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html,body{height:100%;margin:0;overflow:hidden}body{background:var(--bg);overscroll-behavior:none}#root{flex-direction:column;height:100dvh;display:flex;overflow:hidden}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:none}a{color:inherit}.practice-screen{touch-action:manipulation;-webkit-user-select:none;user-select:none}._screen_at78k_1{flex-direction:column;flex:1;align-items:center;padding:24px;display:flex}._content_at78k_9{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:48px;min-height:0;display:flex}._userCode_at78k_19{color:var(--fg-dim);letter-spacing:.05em;margin:0;padding-top:8px;font-size:14px}._grid_at78k_27{grid-template-columns:repeat(2,1fr);gap:20px;width:min(640px,100%);display:grid}._operationButton_at78k_34{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px 20px;font-size:28px}._links_at78k_42{color:var(--fg-dim);flex-wrap:wrap;justify-content:center;gap:28px;font-size:16px;display:flex}._overlay_19coi_1{text-align:center;color:var(--fg-dim);cursor:pointer;background:#0b1f3ad9;justify-content:center;align-items:center;padding:24px;font-size:20px;display:flex;position:absolute;inset:0}._keypad_b6vkp_1{grid-template-columns:repeat(3,1fr);gap:12px;width:min(420px,100%);display:grid}._key_b6vkp_1{aspect-ratio:1.3;background:var(--surface);border:1px solid var(--border);touch-action:manipulation;border-radius:14px;font-size:36px}._key_b6vkp_1:active{background:var(--border)}._startScreen_mj7iz_1{flex:1;justify-content:center;align-items:center;display:flex}._startButton_mj7iz_8{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:40px 60px;font-size:32px}._screen_mj7iz_16{flex-direction:column;flex:1;padding:24px;display:flex;position:relative}._stopButton_mj7iz_24{color:var(--fg-dim);padding:8px 14px;font-size:14px;position:absolute;top:16px;right:16px}._micButton_mj7iz_33,._micButtonActive_mj7iz_34{border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;display:flex;position:absolute;top:12px;left:16px}._micButton_mj7iz_33{opacity:.5}._micButtonActive_mj7iz_34{background:var(--surface);border:1px solid var(--correct)}._bodyWithKeypad_mj7iz_60{flex:1;grid-template-columns:1fr 1fr;align-items:center;min-height:0;display:grid}._problemHalf_mj7iz_68,._keypadHalf_mj7iz_69{justify-content:center;align-items:center;min-width:0;display:flex}._voiceNotice_mj7iz_76{text-align:center;color:var(--fg-dim);font-size:14px}._problem_1n7sh_1{flex-direction:column;align-items:flex-end;font-size:clamp(60px,18vh,220px);font-weight:600;line-height:1.1;display:flex}._line_1n7sh_10{white-space:nowrap}._operator_1n7sh_14{text-align:left;width:.7em;display:inline-block}._rule_1n7sh_20{border-bottom:.06em solid var(--fg-dim);width:100%;margin:.05em 0}._neutral_1n7sh_26{color:var(--fg)}._correct_1n7sh_30{color:var(--correct)}._wrong_1n7sh_34{color:var(--wrong)}._screen_10lqm_1{flex:1;justify-content:center;align-items:center;padding:24px;display:flex}._list_10lqm_9{flex-direction:column;gap:16px;width:min(420px,100%);display:flex}._nameButton_10lqm_16,._addButton_10lqm_17,._continueButton_10lqm_18{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px;font-size:28px}._addButton_10lqm_17{color:var(--fg-dim)}._form_10lqm_30{flex-direction:column;gap:16px;width:min(420px,100%);display:flex}._input_10lqm_37{background:var(--surface);border:1px solid var(--border);color:var(--fg);border-radius:12px;padding:20px;font-size:28px}._error_10lqm_46{color:var(--wrong)}._cancelButton_10lqm_50{color:var(--fg-dim)}._showCode_10lqm_54{text-align:center;flex-direction:column;align-items:center;gap:16px;width:min(420px,100%);display:flex}._showCodeLabel_10lqm_63{color:var(--fg-dim);text-transform:uppercase;letter-spacing:.1em;font-size:16px}._code_10lqm_70{letter-spacing:.15em;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px 32px;font-size:64px;font-weight:600}._hint_10lqm_80{color:var(--fg-dim);font-size:16px}._screen_bot8d_1{flex-direction:column;flex:1;gap:10px;min-height:0;padding:16px 24px;display:flex;overflow:hidden}._header_bot8d_11{align-items:center;gap:16px;display:flex}._backButton_bot8d_17{color:var(--fg-dim)}._title_bot8d_21{margin:0;font-size:20px;font-weight:600}._tabs_bot8d_27{gap:8px;display:flex}._tab_bot8d_27,._tabActive_bot8d_33{border-radius:8px;padding:8px 16px;font-size:14px}._tab_bot8d_27{color:var(--fg-dim)}._tabActive_bot8d_33{background:var(--surface);border:1px solid var(--border)}._matrixWrap_bot8d_48{flex:1;justify-content:center;align-items:center;min-height:0;display:flex}._matrix_bot8d_48{aspect-ratio:14/14;grid-template-rows:repeat(13,1fr) 20px;grid-template-columns:20px repeat(13,1fr);gap:2px;height:100%;display:grid}._axisLabel_bot8d_65{color:var(--fg-dim);justify-content:center;align-items:center;font-size:10px;display:flex}._cell_bot8d_73,._cellEmpty_bot8d_74{border-radius:3px}._cell_bot8d_73{flex-direction:column;justify-content:center;align-items:flex-end;padding-right:4px;line-height:1.1;display:flex;overflow:hidden}._cellLine_bot8d_88{color:var(--fg);white-space:nowrap;text-align:right;text-shadow:0 1px 2px #0000008c;font-size:clamp(8px,1.1vw,12px);font-weight:600}._cell_bot8d_73[data-tier=mastered]{background:var(--tier-mastered)}._cell_bot8d_73[data-tier=good]{background:var(--tier-good)}._cell_bot8d_73[data-tier=ok]{background:var(--tier-ok)}._cell_bot8d_73[data-tier=bad]{background:var(--tier-bad)}._cell_bot8d_73[data-tier=learning]{border:2px solid var(--tier-learning)}._cell_bot8d_73[data-tier=unseen]{border:1px solid var(--border);background:0 0}._summary_bot8d_122{color:var(--fg-dim);margin:0;font-size:13px}._screen_vw3tm_1{flex-direction:column;flex:1;gap:12px;min-height:0;padding:16px 24px;display:flex;overflow:hidden}._sectionsGrid_vw3tm_11{flex:1;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-auto-rows:min-content;gap:12px 32px;min-height:0;display:grid;overflow:hidden}._header_vw3tm_21{align-items:center;gap:16px;display:flex}._backButton_vw3tm_27{color:var(--fg-dim)}._title_vw3tm_31{margin:0;font-size:18px;font-weight:600}._tabs_vw3tm_37{gap:8px;display:flex}._tab_vw3tm_37,._tabActive_vw3tm_43{border-radius:8px;padding:8px 16px;font-size:14px}._tab_vw3tm_37{color:var(--fg-dim)}._tabActive_vw3tm_43{background:var(--surface);border:1px solid var(--border)}._section_vw3tm_11{flex-direction:column;gap:6px;display:flex}._section_vw3tm_11 h2{color:var(--fg-dim);margin:0 0 2px;font-size:14px;font-weight:600}._field_vw3tm_71{justify-content:space-between;align-items:center;gap:12px;font-size:13px;display:flex}._field_vw3tm_71 input:not([type=checkbox]),._field_vw3tm_71 select{font:inherit;color:var(--fg);background:var(--surface);border:1px solid var(--border);border-radius:6px;width:90px;padding:3px 8px;font-size:13px}._field_vw3tm_71 input[type=checkbox]{width:18px;height:18px}._checkboxField_vw3tm_96{justify-content:flex-start;align-items:center;gap:8px;font-size:13px;display:flex}._checkboxField_vw3tm_96 input[type=checkbox]{width:18px;height:18px}._resetButton_vw3tm_109{color:var(--fg-dim);align-self:flex-start}._dangerZone_vw3tm_114{font-size:13px}._deleteButton_vw3tm_118{color:var(--tier-bad)}._confirmRow_vw3tm_122{flex-direction:column;align-items:flex-start;gap:8px;display:flex}._screen_r0xwz_1{flex-direction:column;flex:1;gap:16px;padding:24px;display:flex}._backButton_r0xwz_9{color:var(--fg-dim);align-self:flex-start}._title_r0xwz_14{margin:0;font-size:24px;font-weight:600}._tableWrap_r0xwz_20{overflow-x:auto}._table_r0xwz_20{border-collapse:collapse;width:100%}._table_r0xwz_20 th,._table_r0xwz_20 td{text-align:center;border-bottom:1px solid var(--border);padding:10px 16px}._dateCell_r0xwz_36{text-align:left;color:var(--fg-dim);white-space:nowrap}._cell_r0xwz_42{font-size:14px;line-height:1.5}