@import"https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Montserrat:ital,wght@0,100..900;1,100..900&family=Roboto:ital,wght@0,100..900;1,100..900&display=swap";:root{--primary: #d4c1ec;--primary-light: #e2d6f5;--primary-dark: #b6a4d4;--background: #f9f7fc;--surface: #f8f0ff;--text: #161619;--text-secondary: #4d4765;--accent: #a0d2db;--accent-light: #c4e3e9;--success: #c1e8d6;--warning: #f2e3bc;--error: #f5c6cb;--border: #eae6f2;--shadow: rgba(212, 193, 236, .2);--btn-shadow: rgba(157, 123, 198, .4)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:62.5%}body{font-family:Inter,sans-serif;background-color:var(--background);color:var(--text)}.appContainer{width:100%;height:100vh;display:flex;flex-direction:column}.appContainer>:first-child{flex:0 0 auto}.appContainer>:nth-child(2){flex:1 1 auto}.appContainer>:last-child{flex:0 0 auto}._header_tbfum_1{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--text);padding:2rem 0;text-align:center;border-bottom:2px solid var(--border);box-shadow:0 2px 10px var(--shadow)}._headerContent_tbfum_10{max-width:1200px;margin:0 auto;padding:0 2rem}._title_tbfum_16{font-size:2.5rem;font-weight:600;margin:0;display:flex;align-items:center;justify-content:center;gap:.5rem;letter-spacing:-.5px}._emoji_tbfum_27{font-size:2rem;animation:_pulse_tbfum_1 2s infinite}._subtitle_tbfum_32{font-size:1.5rem;margin:.5rem 0 0;color:var(--text-secondary);font-weight:400}@keyframes _pulse_tbfum_1{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@media (max-width: 768px){._header_tbfum_1{padding:1.5rem 0}._title_tbfum_16{font-size:2rem;flex-direction:row;gap:.3rem}._subtitle_tbfum_32{font-size:1rem}._emoji_tbfum_27{font-size:1.5rem}}._wrapper_1go1g_1{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:1rem}._kanban_1go1g_9{display:flex;justify-content:center;align-items:flex-start;gap:2rem;margin-top:2rem;height:100%;width:100%;max-width:1400px;padding:0 1rem}._buttonGroup_1go1g_21{display:flex;width:100vw;gap:1rem;align-items:center;justify-content:flex-end;margin-bottom:1rem;padding-right:2rem}._resetButton_1go1g_31,._clearButton_1go1g_32{padding:1rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem}._resetButton_1go1g_31{background-color:var(--warning);color:var(--text);box-shadow:0 4px 12px #f2e3bc4d}._resetButton_1go1g_31:hover{transform:translateY(-2px)}._clearButton_1go1g_32{background-color:var(--error);color:var(--text);box-shadow:0 4px 12px #f5c6cb4d}._clearButton_1go1g_32:hover{transform:translateY(-2px)}._resetButton_1go1g_31:disabled,._clearButton_1go1g_32:disabled{opacity:.5;cursor:not-allowed;transform:none}._resetButton_1go1g_31:disabled:hover,._clearButton_1go1g_32:disabled:hover{transform:none}@media (max-width: 1200px){._kanban_1go1g_9{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:1.5rem;justify-content:center;max-width:80rem}._buttonGroup_1go1g_21{justify-content:center}}@media (max-width: 1024px){._kanban_1go1g_9{gap:1rem;padding:0 .5rem}}@media (max-width: 768px){._kanban_1go1g_9{display:flex;flex-direction:column;align-items:center;gap:1.5rem;overflow-x:visible}._buttonGroup_1go1g_21{flex-direction:column;gap:.8rem}}._btn_lggiy_1{border:none;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--text);padding:1.2rem 2rem;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #a0d2db4d;display:flex;align-items:center;gap:.5rem;position:relative;overflow:hidden}._btn_lggiy_1:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}._btn_lggiy_1:hover{transform:translateY(-2px);box-shadow:0 8px 20px #a0d2db66;background:linear-gradient(135deg,var(--accent-light),var(--accent))}._btn_lggiy_1:hover:before{left:100%}._btn_lggiy_1:active{transform:translateY(0);box-shadow:0 4px 12px #a0d2db4d}@media (max-width: 768px){._btn_lggiy_1{padding:1rem 1.5rem;font-size:1rem}}._problemItem_12sja_1{display:flex;justify-content:space-between;align-items:center;padding:1rem;margin-bottom:.8rem;background-color:var(--background);border:1px solid var(--border);border-radius:6px;transition:all .2s ease}._problemItem_12sja_1:hover{background-color:var(--primary-light);border-color:var(--primary);transform:translateY(-1px);box-shadow:0 2px 8px var(--shadow)}._problemInfo_12sja_20{display:flex;flex-direction:column;gap:.5rem;flex:1}._problemHeader_12sja_27{display:flex;justify-content:space-between;align-items:center}._problemTitle_12sja_33{font-size:1rem;font-weight:500;color:var(--text);line-height:1.3}._deleteButton_12sja_40{background:none;border:none;color:var(--error);font-size:1.5rem;cursor:pointer;padding:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s}._deleteButton_12sja_40:hover{background-color:var(--error);color:#fff}._problemMeta_12sja_61{display:flex;align-items:center;gap:.8rem}._difficulty_12sja_67{font-size:.75rem;font-weight:600;padding:.2rem .6rem;border-radius:12px;text-transform:uppercase;letter-spacing:.5px}._difficultyEasy_12sja_76{background-color:var(--success);color:var(--text)}._difficultyMedium_12sja_81{background-color:var(--warning);color:var(--text)}._difficultyHard_12sja_86{background-color:var(--error);color:var(--text)}._difficultyDefault_12sja_91{background-color:var(--border);color:var(--text-secondary)}._problemLink_12sja_96{color:var(--text-secondary);text-decoration:none;font-size:1rem;transition:color .2s}._problemLink_12sja_96:hover{color:var(--accent)}._actionArea_12sja_107{display:flex;align-items:center;margin-left:1rem}._solveButton_12sja_113{background-color:var(--success);border:none;color:var(--text);font-size:1.2rem;font-weight:700;padding:.5rem;border-radius:50%;cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:all .2s}._solveButton_12sja_113:hover{background-color:var(--accent);transform:scale(1.1)}._checkbox_12sja_135{width:18px;height:18px;cursor:pointer;accent-color:var(--primary)}._completedIcon_12sja_142{font-size:1.5rem;animation:_bounce_12sja_1 .5s ease-in-out}@keyframes _bounce_12sja_1{0%,20%,60%,to{transform:translateY(0)}40%{transform:translateY(-10px)}80%{transform:translateY(-5px)}}._cardContainer_eqkj5_1{background-color:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:8px;box-shadow:0 2px 8px var(--shadow);padding:0;margin:1rem 0;transition:box-shadow .2s;overflow:hidden;min-width:280px;max-width:320px}._cardContainer_eqkj5_1:hover{box-shadow:0 4px 16px var(--shadow)}._cardHeader_eqkj5_19{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border);background-color:var(--primary-light)}._cardTitle_eqkj5_28{margin:0;font-size:1.25rem;font-weight:600;color:var(--text)}._progressInfo_eqkj5_35{display:flex;align-items:center;gap:.5rem}._progressText_eqkj5_41{font-size:.875rem;color:var(--text-secondary);font-weight:600;background-color:var(--primary);padding:.2rem .6rem;border-radius:12px;min-width:24px;text-align:center}._items_eqkj5_52{padding:1rem 1.5rem;min-height:200px}._emptyState_eqkj5_57{display:flex;align-items:center;justify-content:center;height:150px}._emptyState_eqkj5_57 p{color:var(--text-secondary);font-style:italic;font-size:1rem}._footer_f7hyx_1{background-color:var(--primary);color:var(--text);border-top:1px solid var(--border);padding:1rem 2rem;width:100%}._statsContainer_f7hyx_9{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;flex-wrap:wrap;gap:1rem}._totalProblems_f7hyx_19{font-size:1.2rem;font-weight:500}._statsBreakdown_f7hyx_24{display:flex;gap:2rem;flex-wrap:wrap}._statItem_f7hyx_30{font-size:1rem;display:flex;align-items:center;gap:.3rem}._statNumber_f7hyx_37{font-weight:700;color:var(--text);background-color:var(--primary-dark);padding:.2rem .5rem;border-radius:4px;min-width:24px;text-align:center}@media (max-width: 768px){._statsContainer_f7hyx_9{flex-direction:column;text-align:center;gap:.5rem}._statsBreakdown_f7hyx_24{justify-content:center;gap:1rem}}._modalOverlay_3dvq9_1{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000c;display:flex;justify-content:center;align-items:center;z-index:1000}._formContainer_3dvq9_14{background-color:var(--surface);padding:2rem;border-radius:8px;width:90%;max-width:500px;max-height:90vh;overflow:auto;position:relative;box-shadow:0 4px 20px var(--shadow)}._formContainer_3dvq9_14 h3{font-size:2rem;font-weight:600;color:var(--text);margin-bottom:2rem;text-align:center}._closeButton_3dvq9_34{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:3rem;cursor:pointer;color:var(--text-secondary);padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;transition:color .2s}._closeButton_3dvq9_34:hover{color:var(--text)}._form_3dvq9_14{display:flex;flex-direction:column;gap:1.6rem}._fieldRow_3dvq9_62{display:flex;flex-direction:column;gap:.5rem}._fieldRow_3dvq9_62 label{font-size:1.4rem;font-weight:500;color:var(--text)}._fieldRow_3dvq9_62 input,._fieldRow_3dvq9_62 select{padding:1.2rem .8rem;border:1px solid var(--border);border-radius:4px;font-size:1.3rem;background-color:var(--background);transition:border-color .2s,box-shadow .2s}._fieldRow_3dvq9_62 input:focus,._fieldRow_3dvq9_62 select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--shadow);background-color:var(--surface)}._errorInput_3dvq9_92{border-color:var(--error)!important}._errorText_3dvq9_96{font-size:1.2rem;color:var(--error);font-weight:500;margin-top:.2rem}._buttonRow_3dvq9_103{display:flex;gap:1rem;margin-top:1rem}._cancelButton_3dvq9_109,._submitButton_3dvq9_110{padding:.75rem 1.5rem;border:none;border-radius:4px;font-size:1.4rem;font-weight:500;cursor:pointer;transition:background-color .2s,transform .1s;flex:1}._cancelButton_3dvq9_109{background-color:var(--border);color:var(--text-secondary)}._cancelButton_3dvq9_109:hover{background-color:var(--text-secondary);color:var(--surface)}._submitButton_3dvq9_110{background-color:var(--primary);color:var(--text)}._submitButton_3dvq9_110:hover{background-color:var(--primary-dark);transform:translateY(-1px)}._submitButton_3dvq9_110:active{transform:translateY(0)}._submitButton_3dvq9_110:disabled{background-color:var(--success);cursor:not-allowed;transform:none}._confettiContainer_1alt5_1{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9999;overflow:hidden}._confettiPiece_1alt5_12{position:absolute;top:-15px;width:15px;height:15px;animation:_confettiFall_1alt5_1 linear forwards}._circle_1alt5_20{border-radius:50%}._square_1alt5_24{border-radius:2px}@keyframes _confettiFall_1alt5_1{0%{transform:translateY(-100vh) rotate(0);opacity:1}10%{opacity:1}90%{opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}._confettiPiece_1alt5_12:nth-child(2n){animation-name:_confettiFallWobble_1alt5_1}._confettiPiece_1alt5_12:nth-child(3n){animation-name:_confettiFallSpin_1alt5_1}@keyframes _confettiFallWobble_1alt5_1{0%{transform:translateY(-100vh) translate(0) rotate(0);opacity:1}25%{transform:translateY(-50vh) translate(20px) rotate(180deg)}50%{transform:translateY(0) translate(-15px) rotate(360deg)}75%{transform:translateY(50vh) translate(10px) rotate(540deg)}to{transform:translateY(100vh) translate(-5px) rotate(720deg);opacity:0}}@keyframes _confettiFallSpin_1alt5_1{0%{transform:translateY(-100vh) rotate(0) scale(1);opacity:1}50%{transform:translateY(0) rotate(1080deg) scale(.8)}to{transform:translateY(100vh) rotate(2160deg) scale(.5);opacity:0}}