:root{--color-bg-primary: #ffffff;--color-bg-secondary: #f5f5f7;--color-bg-card: #ffffff;--color-text-primary: #1d1d1f;--color-text-secondary: #6e6e73;--color-accent: #0071e3;--color-accent-hover: #0077ed;--color-success: #34c759;--color-error: #ff3b30;--color-warning: #ff9500;--color-border: #d2d2d7;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.25rem;--font-size-xl: 1.5rem;--font-size-2xl: 2rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1)}[data-theme=dark]{--color-bg-primary: #1a1a2e;--color-bg-secondary: #16213e;--color-bg-card: #0f3460;--color-text-primary: #e4e4e7;--color-text-secondary: #a1a1aa;--color-accent: #0a84ff;--color-accent-hover: #409cff;--color-success: #30d158;--color-error: #ff453a;--color-warning: #ffa00a;--color-border: #2c2c3e;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-family);font-size:16px;-webkit-font-smoothing:antialiased}body{background:var(--color-bg-primary);color:var(--color-text-primary);min-height:100dvh}button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}input,select,textarea{font:inherit;color:inherit}._navbar_16ivz_1{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;align-items:center;height:64px;background:var(--color-bg-primary);border-top:1px solid var(--color-border);padding-bottom:env(safe-area-inset-bottom);z-index:100;max-width:600px;margin:0 auto}._tab_16ivz_18{display:flex;flex-direction:column;align-items:center;gap:2px;padding:var(--space-xs) var(--space-sm);color:var(--color-text-secondary);text-decoration:none;transition:color .15s;min-width:64px}._tab_16ivz_18._active_16ivz_30{color:var(--color-accent)}._icon_16ivz_34{display:flex;align-items:center;justify-content:center;height:24px}._label_16ivz_41{font-size:.6875rem;font-weight:500}._layout_187y7_1{display:flex;flex-direction:column;min-height:100dvh;max-width:600px;margin:0 auto}._main_187y7_9{flex:1;display:flex;flex-direction:column;padding-bottom:72px}._container_aaw0q_1{padding:var(--space-lg) var(--space-md)}._title_aaw0q_5{font-size:var(--font-size-xl);font-weight:700;margin-bottom:var(--space-lg)}._summaryCard_aaw0q_11{display:flex;justify-content:space-around;padding:var(--space-md);background:var(--color-bg-secondary);border-radius:var(--radius-md);border:1px solid var(--color-border);margin-bottom:var(--space-lg)}._stat_aaw0q_21{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs)}._statValue_aaw0q_28{font-size:1.375rem;font-weight:600;color:var(--color-text-primary)}._statLabel_aaw0q_34{font-size:var(--font-size-sm);color:var(--color-text-secondary)}._modesSection_aaw0q_39{display:flex;flex-direction:column;gap:var(--space-md)}._modeCard_aaw0q_45{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);background:var(--color-bg-card);border-radius:var(--radius-md);border:1px solid var(--color-border);box-shadow:var(--shadow-sm)}._modeHeader_aaw0q_56{display:flex;align-items:center;gap:var(--space-md)}._modeIcon_aaw0q_62{font-size:var(--font-size-xl)}._modeInfo_aaw0q_66{display:flex;flex-direction:column;gap:2px}._modeName_aaw0q_72{font-size:var(--font-size-base);font-weight:600;color:var(--color-text-primary)}._modeDue_aaw0q_78{font-size:var(--font-size-sm);color:var(--color-text-secondary)}._studyButton_aaw0q_83{padding:var(--space-sm) var(--space-md);background:var(--color-accent);color:#fff;border-radius:var(--radius-sm);font-size:var(--font-size-base);font-weight:600;transition:background .15s}._studyButton_aaw0q_83:hover{background:var(--color-accent-hover)}._studyButton_aaw0q_83:active{transform:scale(.98)}._container_12qcd_1{display:flex;flex-direction:column;gap:var(--space-lg);padding:var(--space-lg);flex:1;justify-content:center}._question_12qcd_10{font-size:var(--font-size-2xl);font-weight:600;text-align:center;color:var(--color-text-primary);padding:var(--space-xl) 0}._optionsGrid_12qcd_18{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm)}._option_12qcd_18{padding:var(--space-md);min-height:76px;border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-card);font-size:1.125rem;text-align:center;transition:border-color .15s,background-color .15s;display:flex;align-items:center;justify-content:center}._option_12qcd_18:active:not(:disabled){transform:scale(.98)}._correct_12qcd_42{border-color:var(--color-success);background:color-mix(in srgb,var(--color-success) 10%,var(--color-bg-card))}._wrong_12qcd_47{border-color:var(--color-error);background:color-mix(in srgb,var(--color-error) 10%,var(--color-bg-card))}._container_1aeoe_1{display:flex;flex-direction:column;flex:1;justify-content:center;padding:var(--space-lg);perspective:1000px}._card_1aeoe_10{position:relative;width:100%;min-height:300px;transition:transform .4s ease-in-out;transform-style:preserve-3d}._flipped_1aeoe_18{transform:rotateY(180deg)}._front_1aeoe_22,._back_1aeoe_23{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-lg);backface-visibility:hidden;border-radius:var(--radius-lg);background:var(--color-bg-card);border:1px solid var(--color-border);box-shadow:var(--shadow-md);padding:var(--space-xl)}._back_1aeoe_23{transform:rotateY(180deg)}._question_1aeoe_43,._answer_1aeoe_44{font-size:var(--font-size-2xl);font-weight:600;text-align:center;color:var(--color-text-primary)}._showButton_1aeoe_51{padding:var(--space-sm) var(--space-lg);background:var(--color-accent);color:#fff;border-radius:var(--radius-sm);font-size:var(--font-size-base);font-weight:600;transition:background .15s}._showButton_1aeoe_51:active{transform:scale(.98)}._ratingButtons_1aeoe_65{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm);width:100%}._ratingButton_1aeoe_65{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);font-size:var(--font-size-base);font-weight:600;min-height:44px;transition:opacity .15s}._ratingButton_1aeoe_65:active{transform:scale(.98)}._again_1aeoe_85{background:var(--color-error);color:#fff}._hard_1aeoe_90{background:var(--color-warning);color:#fff}._good_1aeoe_95{background:var(--color-success);color:#fff}._easy_1aeoe_100{background:var(--color-accent);color:#fff}._container_1ng9p_1{display:flex;flex-direction:column;gap:var(--space-md);padding:var(--space-lg);flex:1}._hint_1ng9p_9{text-align:center;color:var(--color-text-secondary);font-size:var(--font-size-sm);margin:0}._question_1ng9p_16{font-size:var(--font-size-2xl);font-weight:600;text-align:center;color:var(--color-text-primary);padding:var(--space-lg) 0}._inputArea_1ng9p_24{display:flex;flex-direction:column;gap:var(--space-sm);align-items:center}._input_1ng9p_24{width:100%;max-width:320px;padding:var(--space-md);border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-card);color:var(--color-text-primary);font-size:1.125rem;text-align:center;outline:none;transition:border-color .15s}._input_1ng9p_24:focus{border-color:var(--color-accent)}._inputCorrect_1ng9p_49{border-color:var(--color-success);background:color-mix(in srgb,var(--color-success) 10%,var(--color-bg-card))}._inputWrong_1ng9p_54{border-color:var(--color-error);background:color-mix(in srgb,var(--color-error) 10%,var(--color-bg-card))}._checkButton_1ng9p_59{width:100%;max-width:320px;padding:var(--space-md);border:none;border-radius:var(--radius-md);background:var(--color-accent);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .15s}._checkButton_1ng9p_59:disabled{opacity:.5;cursor:not-allowed}._checkButton_1ng9p_59:active:not(:disabled){opacity:.85}._feedback_1ng9p_82{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md);border-radius:var(--radius-md);font-size:1rem;font-weight:500;text-align:center}._feedbackCorrect_1ng9p_94{background:color-mix(in srgb,var(--color-success) 12%,var(--color-bg-card));color:var(--color-success)}._feedbackWrong_1ng9p_99{background:color-mix(in srgb,var(--color-error) 12%,var(--color-bg-card));color:var(--color-error)}._feedbackIcon_1ng9p_104{font-size:1.25rem;font-weight:700}._nextButton_1ng9p_109{width:100%;max-width:320px;margin:0 auto;padding:var(--space-md);border:none;border-radius:var(--radius-md);background:var(--color-accent);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .15s;display:block}._nextButton_1ng9p_109:active{opacity:.85}._cheatToggle_1ng9p_130{padding:var(--space-xs);border:none;background:none;color:var(--color-text-secondary);font-size:var(--font-size-sm);cursor:pointer;text-align:center}._cheatSheet_1ng9p_140{display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-md);background:var(--color-bg-card);border-radius:var(--radius-md);border:1px solid var(--color-border);max-height:240px;overflow-y:auto}._cheatGroup_1ng9p_152{display:flex;flex-direction:column;gap:2px}._cheatGroup_1ng9p_152+._cheatGroup_1ng9p_152{padding-top:var(--space-xs);border-top:1px solid var(--color-border)}._cheatRow_1ng9p_163{display:flex;gap:var(--space-md);padding:1px 0;font-size:var(--font-size-sm)}._cheatNumber_1ng9p_170{min-width:64px;text-align:right;color:var(--color-text-secondary);font-variant-numeric:tabular-nums}._cheatText_1ng9p_177{color:var(--color-text-primary)}._cheatHint_1ng9p_181{margin:0;font-size:var(--font-size-sm);color:var(--color-text-secondary);font-style:italic}._container_aq6pv_1{display:flex;flex-direction:column;gap:var(--space-lg);padding:var(--space-lg);max-width:480px;margin:0 auto;width:100%}._title_aq6pv_11{font-size:var(--font-size-xl);font-weight:700;text-align:center;color:var(--color-text-primary);margin:0}._levels_aq6pv_19{display:flex;flex-direction:column;gap:var(--space-sm)}._levelButton_aq6pv_25{padding:var(--space-md) var(--space-lg);border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-card);color:var(--color-text-primary);font-size:1rem;font-weight:500;cursor:pointer;transition:border-color .15s,background-color .15s;text-align:center}._levelActive_aq6pv_38{border-color:var(--color-accent);background:color-mix(in srgb,var(--color-accent) 8%,var(--color-bg-card))}._startButton_aq6pv_43{padding:var(--space-md);border:none;border-radius:var(--radius-md);background:var(--color-accent);color:#fff;font-size:1.125rem;font-weight:600;cursor:pointer;transition:opacity .15s}._startButton_aq6pv_43:active{opacity:.85}._backButton_aq6pv_59{padding:var(--space-sm);border:none;background:none;color:var(--color-text-secondary);font-size:1rem;cursor:pointer;text-align:center}._cheatToggle_aq6pv_69{padding:var(--space-sm);border:none;background:none;color:var(--color-text-secondary);font-size:var(--font-size-sm);cursor:pointer;text-align:center}._cheatSheet_aq6pv_79{display:flex;flex-direction:column;gap:var(--space-md);padding:var(--space-md);background:var(--color-bg-card);border-radius:var(--radius-md);border:1px solid var(--color-border)}._cheatGroup_aq6pv_89{display:flex;flex-direction:column;gap:2px}._cheatGroup_aq6pv_89+._cheatGroup_aq6pv_89{padding-top:var(--space-sm);border-top:1px solid var(--color-border)}._cheatRow_aq6pv_100{display:flex;gap:var(--space-md);padding:2px 0;font-size:var(--font-size-sm)}._cheatNumber_aq6pv_107{min-width:72px;text-align:right;color:var(--color-text-secondary);font-variant-numeric:tabular-nums}._cheatText_aq6pv_114{color:var(--color-text-primary)}._cheatHint_aq6pv_118{margin:0;font-size:var(--font-size-sm);color:var(--color-text-secondary);font-style:italic}._container_14393_1{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100dvh;padding:var(--space-xl);gap:var(--space-lg);max-width:600px;margin:0 auto}._title_14393_13{font-size:var(--font-size-xl);font-weight:600;color:var(--color-text-primary)}._ringContainer_14393_19{position:relative;width:160px;height:160px;margin:var(--space-md) 0}._ring_14393_19{display:block}._ringText_14393_30{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}._ringScore_14393_39{font-size:2.25rem;font-weight:700;color:var(--color-text-primary);line-height:1}._ringPercent_14393_46{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-top:var(--space-xs)}._time_14393_52{display:flex;gap:var(--space-sm);color:var(--color-text-secondary);font-size:var(--font-size-base)}._timeLabel_14393_59{font-weight:500}._noCards_14393_63{font-size:var(--font-size-lg);color:var(--color-text-secondary);text-align:center}._actions_14393_69{display:flex;flex-direction:column;gap:var(--space-sm);width:100%;max-width:280px}._studyMoreButton_14393_77{padding:var(--space-md);background:var(--color-accent);color:#fff;border-radius:var(--radius-sm);font-size:var(--font-size-base);font-weight:600;transition:background .15s}._studyMoreButton_14393_77:hover{background:var(--color-accent-hover)}._studyMoreButton_14393_77:active{transform:scale(.98)}._homeButton_14393_95{padding:var(--space-md);background:var(--color-bg-secondary);color:var(--color-text-primary);border-radius:var(--radius-sm);font-size:var(--font-size-base);font-weight:600;border:1px solid var(--color-border);transition:background .15s}._homeButton_14393_95:active{transform:scale(.98)}._container_vho82_1{display:flex;flex-direction:column;min-height:100dvh;max-width:600px;margin:0 auto}._header_vho82_9{display:flex;justify-content:space-between;align-items:center;padding:var(--space-md)}._progress_vho82_16{font-size:var(--font-size-base);font-weight:600;color:var(--color-text-primary)}._timer_vho82_22{font-size:var(--font-size-base);color:var(--color-text-secondary);font-variant-numeric:tabular-nums}._progressBar_vho82_28{height:6px;background:var(--color-bg-secondary);border-radius:3px;margin:0 var(--space-md);overflow:hidden}._progressFill_vho82_36{height:100%;background:var(--color-accent);border-radius:3px;transition:width .3s}._loading_vho82_43{display:flex;align-items:center;justify-content:center;flex:1;color:var(--color-text-secondary);font-size:var(--font-size-lg)}._error_vho82_52{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:var(--space-md);padding:var(--space-lg);text-align:center}._errorDetail_vho82_63{font-size:var(--font-size-sm);color:var(--color-text-secondary)}._retryButton_vho82_68{padding:var(--space-sm) var(--space-lg);background:var(--color-accent);color:#fff;border-radius:var(--radius-sm);font-size:var(--font-size-base);font-weight:600}._container_14x81_1{padding:var(--space-lg) var(--space-md)}._header_14x81_5{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}._title_14x81_12{font-size:var(--font-size-xl);font-weight:700}._createButton_14x81_17{padding:var(--space-sm) var(--space-md);font-size:var(--font-size-sm);font-weight:600;background:var(--color-accent);color:#fff;border-radius:var(--radius-sm);transition:background .15s}._createButton_14x81_17:hover{background:var(--color-accent-hover)}._createButton_14x81_17:active{transform:scale(.98)}._list_14x81_35{display:flex;flex-direction:column;gap:var(--space-md)}._deckCard_14x81_41{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--color-bg-card);border-radius:var(--radius-md);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);text-decoration:none;color:inherit;transition:box-shadow .15s}._deckCard_14x81_41:hover{box-shadow:var(--shadow-md)}._toggle_14x81_59{flex-shrink:0;width:44px;height:26px;border-radius:13px;background:var(--color-border);position:relative;transition:background .2s;cursor:pointer;border:none;padding:0}._toggle_14x81_59[data-active=true]{background:var(--color-success)}._toggleKnob_14x81_76{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px #0003}._toggle_14x81_59[data-active=true] ._toggleKnob_14x81_76{transform:translate(18px)}._deckInfo_14x81_92{flex:1;min-width:0}._deckName_14x81_97{font-size:var(--font-size-base);font-weight:600;color:var(--color-text-primary);display:block}._deckMeta_14x81_104{font-size:var(--font-size-sm);color:var(--color-text-secondary);display:block;margin-top:2px}._deleteButton_14x81_111{flex-shrink:0;padding:var(--space-xs) var(--space-sm);font-size:var(--font-size-sm);color:var(--color-error);background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);transition:all .15s}._deleteButton_14x81_111:hover{border-color:var(--color-error)}._empty_14x81_126{text-align:center;color:var(--color-text-secondary);padding:var(--space-2xl) 0}._createForm_14x81_133{display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-md);background:var(--color-bg-secondary);border-radius:var(--radius-md);border:1px solid var(--color-border);margin-bottom:var(--space-lg)}._input_14x81_144{padding:var(--space-sm) var(--space-md);font-size:var(--font-size-base);background:var(--color-bg-card);color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:var(--radius-sm)}._input_14x81_144::placeholder{color:var(--color-text-secondary)}._formActions_14x81_157{display:flex;gap:var(--space-sm);justify-content:flex-end}._formActions_14x81_157 button{padding:var(--space-sm) var(--space-md);font-size:var(--font-size-sm);font-weight:600;border-radius:var(--radius-sm);transition:all .15s}._cancelButton_14x81_171{background:transparent;color:var(--color-text-secondary);border:1px solid var(--color-border)}._saveButton_14x81_177{background:var(--color-accent);color:#fff}._saveButton_14x81_177:hover{background:var(--color-accent-hover)}._container_1xouv_1{padding:var(--space-lg) var(--space-md)}._header_1xouv_5{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-lg)}._backButton_1xouv_12{padding:var(--space-xs) var(--space-sm);font-size:var(--font-size-lg);color:var(--color-accent);background:transparent;border:none;line-height:1}._title_1xouv_21{font-size:var(--font-size-xl);font-weight:700;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._toolbar_1xouv_31{display:flex;gap:var(--space-sm);margin-bottom:var(--space-md)}._searchInput_1xouv_37{flex:1;padding:var(--space-sm) var(--space-md);font-size:var(--font-size-base);background:var(--color-bg-secondary);color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:var(--radius-sm)}._searchInput_1xouv_37::placeholder{color:var(--color-text-secondary)}._addButton_1xouv_51{padding:var(--space-sm) var(--space-md);font-size:var(--font-size-sm);font-weight:600;background:var(--color-accent);color:#fff;border-radius:var(--radius-sm);white-space:nowrap;transition:background .15s}._addButton_1xouv_51:hover{background:var(--color-accent-hover)}._addButton_1xouv_51:active{transform:scale(.98)}._list_1xouv_70{display:flex;flex-direction:column;gap:1px;background:var(--color-border);border-radius:var(--radius-md);border:1px solid var(--color-border);overflow:hidden}._wordRow_1xouv_80{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--color-bg-card)}._wordPt_1xouv_88{font-weight:600;color:var(--color-text-primary);min-width:0;flex:1}._wordArrow_1xouv_95{color:var(--color-text-secondary);flex-shrink:0}._wordTranslation_1xouv_100{color:var(--color-text-secondary);min-width:0;flex:1;text-align:right}._wordDelete_1xouv_107{flex-shrink:0;padding:var(--space-xs);font-size:var(--font-size-sm);color:var(--color-text-secondary);background:transparent;border:none;border-radius:var(--radius-sm);transition:color .15s;line-height:1}._wordDelete_1xouv_107:hover{color:var(--color-error)}._empty_1xouv_123{text-align:center;color:var(--color-text-secondary);padding:var(--space-2xl) 0}._wordForm_1xouv_130{display:flex;gap:var(--space-sm);padding:var(--space-md);background:var(--color-bg-secondary);border-radius:var(--radius-md);border:1px solid var(--color-border);margin-bottom:var(--space-md);align-items:flex-end}._formField_1xouv_141{flex:1;display:flex;flex-direction:column;gap:var(--space-xs)}._formLabel_1xouv_148{font-size:var(--font-size-sm);color:var(--color-text-secondary)}._formInput_1xouv_153{padding:var(--space-sm) var(--space-md);font-size:var(--font-size-base);background:var(--color-bg-card);color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:var(--radius-sm)}._formInput_1xouv_153::placeholder{color:var(--color-text-secondary)}._formSave_1xouv_166{padding:var(--space-sm) var(--space-md);font-size:var(--font-size-sm);font-weight:600;background:var(--color-accent);color:#fff;border-radius:var(--radius-sm);white-space:nowrap;transition:background .15s}._formSave_1xouv_166:hover{background:var(--color-accent-hover)}._formCancel_1xouv_181{padding:var(--space-sm) var(--space-md);font-size:var(--font-size-sm);background:transparent;color:var(--color-text-secondary);border:1px solid var(--color-border);border-radius:var(--radius-sm);white-space:nowrap}._editRow_1xouv_192{display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--color-bg-secondary)}._editInputs_1xouv_200{display:flex;gap:var(--space-sm)}._editInput_1xouv_200{flex:1;padding:var(--space-xs) var(--space-sm);font-size:var(--font-size-sm);background:var(--color-bg-card);color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:var(--radius-sm)}._editActions_1xouv_215{display:flex;gap:var(--space-sm);justify-content:flex-end}._editActions_1xouv_215 button{padding:var(--space-xs) var(--space-sm);font-size:var(--font-size-sm);border-radius:var(--radius-sm);transition:all .15s}._count_1xouv_228{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-top:var(--space-sm);text-align:center}._container_1ud3r_1{padding:var(--space-lg) var(--space-md)}._title_1ud3r_5{font-size:var(--font-size-xl);font-weight:700;margin-bottom:var(--space-lg)}._summaryCard_1ud3r_12{display:flex;justify-content:space-around;padding:var(--space-md);background:var(--color-bg-secondary);border-radius:var(--radius-md);border:1px solid var(--color-border);margin-bottom:var(--space-lg)}._stat_1ud3r_22{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs)}._statValue_1ud3r_29{font-size:1.375rem;font-weight:600;color:var(--color-text-primary)}._statLabel_1ud3r_35{font-size:var(--font-size-sm);color:var(--color-text-secondary)}._section_1ud3r_41{margin-bottom:var(--space-lg)}._sectionTitle_1ud3r_45{font-size:var(--font-size-base);font-weight:600;color:var(--color-text-secondary);margin-bottom:var(--space-md)}._barChart_1ud3r_53{display:flex;flex-direction:column;gap:var(--space-sm)}._barRow_1ud3r_59{display:flex;align-items:center;gap:var(--space-sm)}._barLabel_1ud3r_65{width:90px;font-size:var(--font-size-sm);color:var(--color-text-secondary);text-align:right;flex-shrink:0}._barTrack_1ud3r_73{flex:1;height:20px;background:var(--color-bg-secondary);border-radius:var(--radius-sm);overflow:hidden}._barFill_1ud3r_81{height:100%;border-radius:var(--radius-sm);transition:width .3s ease;min-width:2px}._barFillNew_1ud3r_88{background:var(--color-accent)}._barFillLearning_1ud3r_92{background:var(--color-warning)}._barFillReview_1ud3r_96{background:var(--color-success)}._barFillRelearning_1ud3r_100{background:var(--color-error)}._barCount_1ud3r_104{width:36px;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-primary);text-align:right;flex-shrink:0}._retentionCard_1ud3r_114{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);background:var(--color-bg-secondary);border-radius:var(--radius-md);border:1px solid var(--color-border);margin-bottom:var(--space-lg)}._retentionLabel_1ud3r_125{font-size:var(--font-size-base);color:var(--color-text-secondary)}._retentionValue_1ud3r_130{font-size:var(--font-size-lg);font-weight:700;color:var(--color-success)}._retentionMeta_1ud3r_136{font-size:var(--font-size-sm);color:var(--color-text-secondary)}._sessionList_1ud3r_142{display:flex;flex-direction:column;gap:1px;background:var(--color-border);border-radius:var(--radius-md);border:1px solid var(--color-border);overflow:hidden}._sessionRow_1ud3r_152{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-md);background:var(--color-bg-card)}._sessionDate_1ud3r_160{font-size:var(--font-size-sm);color:var(--color-text-secondary);width:80px;flex-shrink:0}._sessionScore_1ud3r_167{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-primary)}._sessionPercent_1ud3r_173{font-size:var(--font-size-sm);font-weight:600;width:44px;text-align:right;flex-shrink:0}._sessionPercentGood_1ud3r_181{color:var(--color-success)}._sessionPercentOk_1ud3r_185{color:var(--color-warning)}._sessionPercentBad_1ud3r_189{color:var(--color-error)}._empty_1ud3r_193{text-align:center;color:var(--color-text-secondary);padding:var(--space-lg) 0}._container_1snyc_1{padding:var(--space-lg) var(--space-md)}._title_1snyc_5{font-size:var(--font-size-xl);font-weight:700;margin-bottom:var(--space-lg)}._section_1snyc_11{margin-bottom:var(--space-lg)}._label_1snyc_15{display:block;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);margin-bottom:var(--space-sm)}._select_1snyc_23{width:100%;padding:var(--space-sm) var(--space-md);font-size:var(--font-size-base);background:var(--color-bg-card);color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:var(--radius-sm);appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236e6e73' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}._themeGroup_1snyc_37{display:flex;gap:var(--space-sm)}._themeButton_1snyc_42{flex:1;padding:var(--space-sm) var(--space-md);font-size:var(--font-size-sm);font-weight:500;background:var(--color-bg-secondary);color:var(--color-text-secondary);border:1px solid var(--color-border);border-radius:var(--radius-sm);transition:all .15s}._themeButton_1snyc_42[data-active=true]{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}._numberInput_1snyc_60{width:80px;padding:var(--space-sm) var(--space-md);font-size:var(--font-size-base);background:var(--color-bg-card);color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:var(--radius-sm);text-align:center}._sessionRow_1snyc_71{display:flex;align-items:center;gap:var(--space-sm)}._cardsLabel_1snyc_77{font-size:var(--font-size-sm);color:var(--color-text-secondary)}._dangerSection_1snyc_82{margin-top:var(--space-2xl);padding-top:var(--space-lg);border-top:1px solid var(--color-border)}._dangerButton_1snyc_88{width:100%;padding:var(--space-sm) var(--space-md);font-size:var(--font-size-base);font-weight:600;color:var(--color-error);background:transparent;border:1px solid var(--color-error);border-radius:var(--radius-sm);transition:all .15s}._dangerButton_1snyc_88:hover{background:var(--color-error);color:#fff}._dangerButton_1snyc_88:active{transform:scale(.98)}