:root{--mint-primary: #50C878;--mint-light: #7DD99F;--mint-dark: #3AA65D;--mint-glow: rgba(80, 200, 120, .3);--bg-gradient-start: #50C878;--bg-gradient-end: #3AA65D;--card-bg: rgba(255, 255, 255, .98);--card-bg-dark: #1f2937;--text-primary: #1a1a2e;--text-secondary: #4b5563;--text-muted: #9ca3af;--text-on-dark: #f9fafb;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 4px 20px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .16);--shadow-glow: 0 0 30px var(--mint-glow);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease}[data-theme=dark],.dark{--bg-gradient-start: #111827;--bg-gradient-end: #1f2937;--card-bg: #1f2937;--text-primary: #f9fafb;--text-secondary: #d1d5db;--text-muted: #9ca3af;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 20px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .5)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased}.app{min-height:100vh;background:linear-gradient(135deg,var(--bg-gradient-start) 0%,var(--bg-gradient-end) 100%);position:relative;transition:background var(--transition-slow)}.background-effects{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}.gradient-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.4;animation:float 20s ease-in-out infinite}.orb-1{width:400px;height:400px;background:#ffffff4d;top:-100px;right:-100px;animation-delay:0s}.orb-2{width:300px;height:300px;background:#50c87866;bottom:-50px;left:-50px;animation-delay:-7s}.orb-3{width:200px;height:200px;background:#7dd99f4d;top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:-14s}@keyframes float{0%,to{transform:translate(0) scale(1)}25%{transform:translate(20px,-20px) scale(1.05)}50%{transform:translate(-10px,20px) scale(.95)}75%{transform:translate(-20px,-10px) scale(1.02)}}.container{position:relative;z-index:1;max-width:720px;margin:0 auto;padding:30px 20px 60px}.app-header{margin-bottom:24px}.header-top{display:flex;align-items:center;justify-content:space-between;padding:0 8px}.settings-btn.icon-only{width:40px;height:40px;border-radius:50%;background:#fff3;border:2px solid rgba(255,255,255,.3);font-size:1.2rem;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;padding:0}.settings-btn.icon-only:hover{background:#ffffff4d;transform:rotate(15deg)}.app-header h1{font-size:1.8rem;font-weight:700;color:#fff;text-shadow:0 2px 20px rgba(0,0,0,.15);letter-spacing:-.5px;text-align:center}.theme-toggle-btn{width:40px;height:40px;border-radius:50%;background:#fff3;border:2px solid rgba(255,255,255,.3);font-size:1.2rem;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;padding:0}.theme-toggle-btn:hover{background:#ffffff4d;transform:scale(1.1)}.filter-bar{display:flex;justify-content:center;gap:8px;margin-bottom:16px;flex-wrap:wrap}.filter-btn{padding:10px 14px;background:#ffffff26;border:2px solid transparent;border-radius:var(--radius-lg);font-size:.85rem;color:#ffffffe6;cursor:pointer;transition:all var(--transition-fast);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);min-width:90px}.filter-btn:hover{background:#ffffff40;transform:translateY(-2px)}.filter-btn.active{background:linear-gradient(135deg,var(--mint-primary) 0%,var(--mint-dark) 100%);color:#fff;box-shadow:0 4px 15px var(--mint-glow);border-color:transparent}.filter-btn strong{font-weight:700;margin-right:2px}.filter-btn.completed strong{color:#4ade80}.filter-btn.pending strong{color:#fbbf24}.filter-btn.work strong{color:#f472b6}.filter-btn.study strong{color:#60a5fa}.filter-btn.life strong{color:#fbbf24}.filter-btn.active strong{color:#fff}.main-search-bar{position:relative;margin-bottom:20px}.main-search-bar .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-size:1rem;opacity:.6;pointer-events:none}.main-search-input{width:100%;padding:14px 44px;border:2px solid transparent;border-radius:var(--radius-lg);font-size:.95rem;background:var(--card-bg);color:var(--text-primary);box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.main-search-input:focus{outline:none;border-color:var(--mint-primary);box-shadow:var(--shadow-md),0 0 0 4px var(--mint-glow)}.main-search-input::placeholder{color:var(--text-muted)}.main-search-bar .search-clear{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:28px;height:28px;border:none;border-radius:50%;background:#0000001a;color:var(--text-muted);font-size:.8rem;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.main-search-bar .search-clear:hover{background:#0003;color:var(--text-primary)}.todo-section{animation:slideUp .5s ease .1s both}.todo-list{list-style:none;display:flex;flex-direction:column;gap:12px}.todo-item{display:flex;align-items:center;gap:12px;padding:16px 20px;background:var(--card-bg);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);animation:itemSlideIn .3s ease}@keyframes itemSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.todo-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.todo-item.completed{opacity:.7}.todo-item.completed .todo-text{text-decoration:line-through;color:var(--text-muted)}.todo-item.overdue{animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{box-shadow:var(--shadow-sm)}50%{box-shadow:0 0 0 4px #ef444433,var(--shadow-sm)}}.todo-content{flex:1;cursor:pointer;display:flex;flex-direction:column;gap:6px}.todo-main{display:flex;align-items:center;gap:10px}.priority-icon{font-size:1.1rem}.todo-text{font-size:1rem;color:var(--text-primary);word-break:break-word;transition:all var(--transition-normal)}.todo-meta{display:flex;align-items:center;gap:10px}.deadline{font-size:.8rem;color:var(--text-muted);padding:2px 8px;background:#0000000d;border-radius:4px}.deadline.overdue{color:#ef4444;background:#ef444426}.deadline.today{color:var(--mint-dark);background:#50c87826}.delete-btn{padding:10px;background:transparent;border:none;font-size:1.1rem;cursor:pointer;opacity:.5;transition:all var(--transition-fast);border-radius:var(--radius-sm)}.delete-btn:hover{opacity:1;background:#ef44441a;transform:scale(1.1)}.empty-state{text-align:center;padding:60px 20px;animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.empty-illustration{font-size:4rem;margin-bottom:16px;animation:bounce 2s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.empty-title{font-size:1.3rem;font-weight:600;color:#fff;margin-bottom:8px}.empty-subtitle{font-size:.95rem;color:#ffffffbf}.app-footer{text-align:center;padding-top:40px;color:#ffffffb3;font-size:.85rem}.settings-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:1000;animation:fadeIn .3s ease}.settings-panel{position:fixed;top:0;left:0;width:70%;min-width:320px;max-width:560px;height:100vh;background:var(--card-bg);box-shadow:4px 0 30px #0003;overflow-y:auto;animation:slideInLeft .3s ease}@keyframes slideInLeft{0%{transform:translate(-100%)}to{transform:translate(0)}}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid rgba(0,0,0,.08);position:sticky;top:0;background:inherit;z-index:10}[data-theme=dark] .panel-header{border-color:#ffffff1a}.panel-header h2{font-size:1.2rem;font-weight:600;color:var(--text-primary)}.close-btn{width:36px;height:36px;border:none;background:#0000000d;border-radius:50%;font-size:1rem;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;color:var(--text-secondary)}.close-btn:hover{background:#ef44441a;color:#ef4444}.panel-content{padding:24px}.panel-section{margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid rgba(0,0,0,.06)}.panel-section:last-child{border-bottom:none;margin-bottom:0}[data-theme=dark] .panel-section{border-color:#ffffff1a}.panel-section h3{font-size:.95rem;font-weight:600;color:var(--text-primary);margin-bottom:14px}.panel-input{width:100%;padding:14px 16px;border:2px solid rgba(80,200,120,.2);border-radius:var(--radius-md);font-size:.95rem;background:#50c8780d;color:var(--text-primary);transition:all var(--transition-normal);margin-bottom:12px}.panel-input:focus{outline:none;border-color:var(--mint-primary);background:#50c8781a;box-shadow:0 0 0 3px var(--mint-glow)}.panel-input::placeholder{color:var(--text-muted)}.form-row{margin-bottom:12px}.form-group label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.priority-btns,.category-btns{display:flex;gap:8px}.priority-btn,.category-btn{flex:1;padding:10px 8px;border:2px solid;border-radius:var(--radius-sm);font-size:.8rem;cursor:pointer;transition:all var(--transition-fast);font-weight:500}.priority-btn:hover,.category-btn:hover{transform:translateY(-2px)}.deadline-input{width:100%;padding:12px 14px;border:2px solid rgba(80,200,120,.2);border-radius:var(--radius-sm);font-size:.9rem;background:#50c8780d;color:var(--text-primary);transition:all var(--transition-normal)}.deadline-input:focus{outline:none;border-color:var(--mint-primary)}.add-btn{width:100%;padding:14px;background:linear-gradient(135deg,var(--mint-primary) 0%,var(--mint-dark) 100%);color:#fff;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);box-shadow:0 4px 15px var(--mint-glow)}.add-btn:hover{transform:translateY(-2px);box-shadow:0 6px 25px var(--mint-glow)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:12px}.stat-card{background:#50c8781a;border-radius:var(--radius-md);padding:14px 8px;text-align:center;transition:all var(--transition-fast);border:2px solid transparent}[data-theme=dark] .stat-card{background:#ffffff14}.stat-card.active{background:linear-gradient(135deg,var(--mint-primary) 0%,var(--mint-dark) 100%);color:#fff;box-shadow:0 4px 15px var(--mint-glow)}.stat-card.completed{background:#34d39926}[data-theme=dark] .stat-card.completed{background:#34d39933}.stat-card.pending{background:#fbbf2426}[data-theme=dark] .stat-card.pending{background:#fbbf2433}.stat-card.rate{background:#50c87833;cursor:default}[data-theme=dark] .stat-card.rate{background:#50c87840}.stat-value{display:block;font-size:1.4rem;font-weight:700;color:var(--mint-dark);line-height:1.2}[data-theme=dark] .stat-value{color:var(--mint-light)}.stat-card.active .stat-value{color:#fff}.stat-label{display:block;font-size:.72rem;color:var(--text-muted);margin-top:4px}.stat-card.active .stat-label{color:#ffffffd9}.overdue-hint{font-size:.8rem;color:#ef4444;margin-bottom:10px}.clear-btn{width:100%;padding:10px;background:#ef44441a;color:#ef4444;border:none;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.clear-btn:hover{background:#ef444433}.data-btns{display:flex;gap:8px;margin-bottom:10px}.data-btn{flex:1;padding:10px 8px;background:#50c8781a;color:var(--mint-dark);border:2px solid rgba(80,200,120,.2);border-radius:var(--radius-sm);font-size:.8rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.data-btn:hover{background:#50c87833;transform:translateY(-2px)}.data-btn.import{background:#3b82f61a;color:#3b82f6;border-color:#3b82f633}.data-btn.import:hover{background:#3b82f626}.data-btn.confirm{background:#22c55e1a;color:#22c55e;border-color:#22c55e33}.import-row{display:flex;gap:8px}.import-filename{font-size:.75rem;color:var(--text-muted);margin-top:6px}.theme-btn{width:100%;padding:12px;background:#50c8781a;color:var(--mint-dark);border:2px solid rgba(80,200,120,.2);border-radius:var(--radius-md);font-size:.9rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.theme-btn:hover{background:#50c87833;transform:translateY(-2px)}.security-info{font-size:.82rem;color:var(--text-secondary);line-height:1.8}.security-info ol{margin:8px 0 8px 20px;padding-left:8px}.security-info li{margin-bottom:2px}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.settings-panel{width:100%;max-width:none}.header-top{padding:0 4px}.app-header h1{font-size:1.5rem}.settings-btn.icon-only,.theme-toggle-btn{width:36px;height:36px;font-size:1rem}.quick-stats{gap:8px}.quick-stat-btn{padding:8px 12px;font-size:.8rem}.category-filter-bar{gap:8px}.category-filter-btn{padding:6px 12px;font-size:.8rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.data-btns{flex-wrap:wrap}.data-btn{min-width:calc(50% - 4px)}}@media (max-width: 480px){.container{padding:20px 12px 40px}.quick-stats{gap:6px}.quick-stat-btn{padding:6px 10px;font-size:.75rem}.category-filter-bar{gap:6px}.category-filter-btn{padding:5px 10px;font-size:.75rem}}.app.mounted .container{animation:none}.app:not(.mounted) .container{opacity:0}