:root{--primary-color: #3b82f6;--primary-light: #60a5fa;--primary-dark: #2563eb;--danger-color: #ef4444;--background: #050505;--surface: rgba(20, 21, 26, .65);--surface-solid: #111216;--surface-hover: rgba(30, 32, 40, .8);--text-primary: #f8fafc;--text-secondary: #94a3b8;--border: rgba(255, 255, 255, .06);--glass-blur: blur(12px);--shadow: rgba(0, 0, 0, .5);--transition: all .3s cubic-bezier(.4, 0, .2, 1)}.app-container{min-height:100vh;display:flex;flex-direction:column;background:var(--background);background-image:radial-gradient(circle at top left,rgba(59,130,246,.08),transparent 40%),radial-gradient(circle at bottom right,rgba(59,130,246,.05),transparent 40%);background-attachment:fixed;color:var(--text-primary)}.main-content{flex:1;max-width:1200px;margin:0 auto;padding:40px 20px;width:100%}.navbar{background:#0a0a0acc;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--border);padding:1rem 0;position:sticky;top:0;z-index:50}.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.nav-logo{font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none;letter-spacing:-.02em;display:flex;align-items:center;gap:.5rem}.nav-logo:before{content:"";display:block;width:12px;height:12px;background:var(--primary-color);border-radius:50%;box-shadow:0 0 10px var(--primary-color)}.nav-menu{display:flex;align-items:center;gap:2.5rem}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:.95rem;transition:var(--transition)}.nav-link:hover{color:var(--text-primary)}.nav-user{display:flex;align-items:center;gap:1.5rem;border-left:1px solid var(--border);padding-left:1.5rem}.nav-user span{color:var(--text-secondary);font-size:.9rem;font-weight:500}.btn{padding:.6rem 1.25rem;border:1px solid transparent;border-radius:8px;font-size:.95rem;cursor:pointer;transition:var(--transition);font-weight:500;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary{background-color:var(--primary-color);color:#fff;box-shadow:0 0 15px #3b82f64d}.btn-primary:hover{background-color:var(--primary-light);transform:translateY(-1px);box-shadow:0 4px 20px #3b82f666}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{background-color:#2a2a2a;color:#666;box-shadow:none;cursor:not-allowed}.btn-large{padding:1rem 2rem;font-size:1.1rem;border-radius:12px}.btn-icon{background:#ffffff0d;border:1px solid transparent;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:.4rem;color:var(--text-secondary);transition:var(--transition)}.btn-icon:hover{background:#ffffff1a;color:var(--primary-light);border-color:#ffffff1a}.btn-icon svg{fill:currentColor!important;color:currentColor!important}.page-header{margin-bottom:2.5rem;display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:1rem}.page-header h1{font-size:2.5rem;font-weight:700;color:var(--text-primary);letter-spacing:-.03em}.date{color:var(--primary-light);font-size:1rem;font-weight:500}.tasks-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:2rem}.task-section{background:var(--surface);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border);padding:2rem;border-radius:16px;box-shadow:0 10px 30px var(--shadow)}.task-section h2{margin-bottom:1.5rem;font-size:1.25rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:.5rem}.task-section h2:before{content:"";display:block;width:4px;height:16px;background:var(--primary-color);border-radius:4px}.task-form{display:flex;gap:.75rem;margin-bottom:1.5rem}.task-input{flex:1;padding:.85rem 1rem;background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:8px;font-size:1rem;color:var(--text-primary);transition:var(--transition)}.task-input::placeholder{color:var(--text-secondary)}.task-input:focus{outline:none;background:#ffffff0d;border-color:var(--primary-light);box-shadow:0 0 0 3px #3b82f626}.task-list{display:flex;flex-direction:column;gap:.75rem}.task-item{display:flex;align-items:center;gap:1rem;padding:1rem;background:#ffffff05;border:1px solid transparent;border-radius:10px;transition:var(--transition)}.task-item:hover{background:var(--surface-hover);border-color:#ffffff0d;transform:translateY(-2px);box-shadow:0 4px 12px #0003}.task-checkbox-wrapper{position:relative;display:inline-flex;align-items:center;cursor:pointer}.task-checkbox{opacity:0;position:absolute;width:0;height:0}.task-checkbox-custom{width:22px;height:22px;border:2px solid var(--text-secondary);border-radius:6px;display:inline-flex;align-items:center;justify-content:center;transition:var(--transition);background:transparent}.task-checkbox:focus-visible+.task-checkbox-custom{box-shadow:0 0 0 2px var(--background),0 0 0 4px var(--primary-light)}.task-checkbox:checked+.task-checkbox-custom{background:var(--primary-color);border-color:var(--primary-color)}.task-checkbox:checked+.task-checkbox-custom:after{content:"";width:5px;height:10px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg);margin-top:-2px}.task-title{flex:1;font-size:1.05rem;font-weight:500;color:var(--text-primary);transition:var(--transition)}.task-title.completed{text-decoration:line-through;color:var(--text-secondary);opacity:.6}.task-input-edit{flex:1;padding:.5rem .75rem;background:#0003;border:1px solid var(--primary-color);border-radius:6px;font-size:1.05rem;color:var(--text-primary);outline:none}.task-actions{display:flex;gap:.5rem;opacity:0;transition:opacity .2s ease}.task-item:hover .task-actions{opacity:1}.stats-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2.5rem}.stat-card{background:var(--surface);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border);padding:2rem;border-radius:16px;text-align:center;box-shadow:0 10px 30px var(--shadow);transition:var(--transition)}.stat-card:hover{transform:translateY(-4px);border-color:#3b82f64d}.stat-value{font-size:3rem;font-weight:700;color:var(--primary-light);margin-bottom:.5rem;line-height:1}.stat-label{font-size:.95rem;color:var(--text-secondary);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.chart-container{background:var(--surface);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border);padding:2rem;border-radius:16px;box-shadow:0 10px 30px var(--shadow)}.chart-container h2{margin-bottom:1.5rem;font-size:1.25rem;font-weight:600}.date-range-select{padding:.6rem 2.5rem .6rem 1rem;background-color:var(--surface);border:1px solid var(--border);border-radius:8px;font-size:.95rem;color:var(--text-primary);cursor:pointer;appearance:none;background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%2394A3B8%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E);background-repeat:no-repeat;background-position:right 1rem center;background-size:.65em auto;transition:var(--transition)}.date-range-select:focus{outline:none;border-color:var(--primary-light)}.settings-container{max-width:600px}.settings-section{background:var(--surface);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border);padding:2rem;border-radius:16px;box-shadow:0 10px 30px var(--shadow);margin-bottom:2rem}.settings-section h2{margin-bottom:1.5rem;font-size:1.25rem;font-weight:600;color:var(--primary-light)}.profile-info p{margin-bottom:.75rem;color:var(--text-secondary);font-size:1.05rem}.profile-info strong{color:var(--text-primary);margin-right:.5rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}.form-group small{display:block;margin-top:.5rem;color:var(--text-secondary);font-size:.85rem}.form-input{width:100%;padding:.85rem 1rem;background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:8px;font-size:1rem;color:var(--text-primary);transition:var(--transition)}.form-input:focus{outline:none;background:#ffffff0d;border-color:var(--primary-light);box-shadow:0 0 0 3px #3b82f626}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--background);background-image:radial-gradient(circle at center,rgba(59,130,246,.15) 0%,transparent 60%)}.login-container{background:var(--surface);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border);padding:3.5rem 3rem;border-radius:20px;box-shadow:0 20px 50px #00000080;text-align:center;max-width:440px;width:90%}.login-container h1{font-size:2.8rem;font-weight:700;margin-bottom:1rem;background:linear-gradient(135deg,#fff,#a5b4fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.04em}.login-container p{color:var(--text-secondary);margin-bottom:2.5rem;font-size:1.1rem;line-height:1.6}.error-message,.message{padding:1rem 1.25rem;border-radius:8px;margin-bottom:1.5rem;display:flex;justify-content:space-between;align-items:center;font-weight:500}.error-message,.message.error{background-color:#ef44441a;color:#fca5a5;border:1px solid rgba(239,68,68,.2)}.message.success{background-color:#22c55e1a;color:#86efac;border:1px solid rgba(34,197,94,.2)}.error-message button,.message button{background:none;border:none;font-size:1.2rem;cursor:pointer;color:currentColor;opacity:.7;padding:0 .5rem;transition:opacity .2s}.error-message button:hover,.message button:hover{opacity:1}.loading-container{display:flex;justify-content:center;align-items:center;min-height:400px;height:100vh;background:var(--background)}.loading-spinner{border:3px solid rgba(255,255,255,.05);border-top:3px solid var(--primary-light);border-radius:50%;width:40px;height:40px;animation:spin .8s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:768px){.tasks-container{grid-template-columns:1fr}.nav-menu{display:none}.page-header{flex-direction:column;align-items:flex-start}.main-content{padding:20px 15px}}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;min-width:320px;min-height:100vh;background-color:var(--background, #050505);color:var(--text-primary, #f8fafc);overflow-x:hidden}a{font-weight:500;color:var(--primary-color, #3b82f6);text-decoration:inherit;transition:color .25s ease}a:hover{color:var(--primary-light, #60a5fa)}h1{line-height:1.1}button,input,select,textarea{font-family:inherit}