:root{--primary-color: #3b82f6;--primary-hover: #2563eb;--bg-body: #f8fafc;--bg-sidebar: #ffffff;--bg-card: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--border-color: #e2e8f0;--sidebar-width: 260px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--radius-lg: 1rem;--radius-md: .75rem}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-body);color:var(--text-main);min-height:100vh;overflow:hidden}.app-container{display:flex;height:100vh;flex-direction:column}.header{height:64px;background:var(--bg-sidebar);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;z-index:100}.header-left{display:flex;align-items:center;gap:1rem}.header-title{font-size:1.5rem;font-weight:800;color:var(--text-main);letter-spacing:-.025em;text-transform:uppercase}.header-tagline{font-size:.875rem;color:var(--text-muted);font-weight:500}.user-info{display:flex;align-items:center;gap:1rem;font-size:.875rem}.login-btn{background:var(--primary-color);color:#fff;border:none;padding:.5rem 1rem;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all .2s}.login-btn:hover{background:var(--primary-hover)}.app-body{display:flex;flex:1;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-color);display:flex;flex-direction:column;position:relative;transition:width .3s ease}.sidebar.collapsed{width:0;border-right:none}.sidebar-content{padding:1.5rem 1rem;overflow-y:auto;width:var(--sidebar-width)}.nav-item{display:flex;align-items:center;padding:.75rem 1rem;border-radius:var(--radius-md);color:var(--text-muted);text-decoration:none;margin-bottom:.25rem;cursor:pointer;transition:all .2s;font-weight:500}.nav-item:hover{background:#f1f5f9;color:var(--text-main)}.nav-item.active{background:#eff6ff;color:var(--primary-color)}.new-btn{background:#eff6ff;color:var(--primary-color);border:1px solid #dbeafe;padding:.75rem 1rem;border-radius:var(--radius-md);font-weight:600;margin-bottom:2rem;cursor:pointer;display:flex;align-items:center;gap:.5rem;width:100%}.new-btn:hover{background:#dbeafe}.range-slider-container{position:relative;width:100%;height:60px;margin:0}.range-slider-track-wrap{position:absolute;top:50%;transform:translateY(-50%);left:11px;right:11px;height:8px;background:linear-gradient(180deg,#d1d5db,#f3f4f6);border:1px solid #9ca3af;border-radius:10px;box-shadow:inset 0 1px 2px #0000001a}.range-slider-progress{position:absolute;height:100%;background:linear-gradient(180deg,#60a5fa,#2563eb);border-radius:10px;z-index:1}.range-slider-input{position:absolute;left:0;width:100%;pointer-events:none;appearance:none;background:none;top:50%;transform:translateY(-50%);margin:0;z-index:2}.range-slider-input::-webkit-slider-thumb{pointer-events:auto;appearance:none;width:22px;height:22px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#fff,#e5e7eb);border:1px solid #9ca3af;cursor:pointer;box-shadow:0 2px 4px #0003,inset 0 0 0 4px #2563eb}.range-ticks{position:absolute;top:calc(50% + 15px);left:11px;right:11px}.tick{width:1px;height:6px;background:#9ca3af;position:absolute}.tick-label{position:absolute;top:8px;left:50%;transform:translate(-50%);font-size:10px;color:#6b7280;white-space:nowrap}.range-inputs-wrap{display:flex;align-items:center;gap:.5rem;margin-top:1rem}.range-small-input{width:60px;padding:4px;border:1px solid #d1d5db;border-radius:4px;font-size:.8rem;text-align:center}.resizer{width:4px;cursor:col-resize;position:absolute;right:-2px;top:0;bottom:0;z-index:10}.resizer:hover{background:var(--primary-color)}.main-content{flex:1;background:var(--bg-body);overflow-y:auto;padding:2rem}.card{background:var(--bg-card);border-radius:var(--radius-lg);padding:1.5rem;border:1px solid var(--border-color);box-shadow:var(--shadow-sm);margin-bottom:1.5rem}.card-title{font-size:1.125rem;font-weight:700;margin-bottom:1.5rem;color:var(--text-main)}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-size:.875rem;font-weight:600;color:var(--text-muted);margin-bottom:.5rem}.form-input{width:100%;padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:.875rem;transition:border-color .2s}.form-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f61a}.primary-button{background:var(--primary-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;cursor:pointer;width:100%;transition:background .2s}.primary-button:hover{background:var(--primary-hover)}.flex-group{display:flex;gap:1rem}.flex-1{flex:1}.text-sm{font-size:.875rem}.text-muted{color:var(--text-muted)}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;padding:.75rem 1rem;background:#f8fafc;color:var(--text-muted);font-size:.75rem;text-transform:uppercase;border-bottom:1px solid var(--border-color)}.data-table td{padding:1rem;border-bottom:1px solid var(--border-color);font-size:.875rem}.status-tag{display:inline-block;padding:.25rem .75rem;border-radius:99px;font-size:.75rem;font-weight:600}.status-tag.uncompleted{background:#fee2e2;color:#ef4444}.status-tag.partial{background:#fef3c7;color:#d97706}.status-tag.completed{background:#dcfce7;color:#16a34a}.login-screen{position:fixed;inset:0;background-color:#0d1117;display:flex;align-items:center;justify-content:center;z-index:1000;background-image:radial-gradient(circle at 50% 50%,#161b22,#0d1117)}.login-card{background:#161b22;border:1px solid #30363d;border-radius:20px;padding:3rem 2.5rem;width:100%;max-width:440px;text-align:center;box-shadow:0 20px 50px #00000080}.login-icon{width:80px;height:80px;background:#3b82f61a;border-radius:50%;border:1px solid rgba(59,130,246,.2);display:flex;align-items:center;justify-content:center;margin:0 auto 2rem}.inner-icon{width:40px;height:40px;color:#3b82f6}.login-title{color:#f0f6fc;font-size:2rem;font-weight:800;margin-bottom:1rem;letter-spacing:-.025em}.login-subtitle{color:#8b949e;font-size:1rem;line-height:1.6;margin-bottom:2.5rem}.google-signin-btn{background:#fff;color:#1f2328;border:none;padding:.875rem 1.5rem;border-radius:12px;font-size:1rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:.75rem;width:100%;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #0000001a}.google-signin-btn:hover{background:#f6f8fa;transform:translateY(-2px);box-shadow:0 6px 16px #00000026}.google-icon{width:20px;height:20px}.login-footer{margin-top:2.5rem;font-size:.75rem;color:#484f58}.date-picker-popover{position:absolute;top:100%;left:0;z-index:50;margin-top:.5rem;background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.date-picker-container{display:flex;gap:1.5rem;padding:1rem;min-height:auto;width:fit-content}.month-view{min-width:260px}.month-header{display:flex;justify-content:center;align-items:center;margin-bottom:.75rem;font-weight:700;font-size:1rem}.calendar-days-grid{display:grid!important;grid-template-columns:repeat(7,1fr)!important;gap:2px}.calendar-day-label{text-align:center;font-size:.7rem;font-weight:700;color:#94a3b8;padding:6px 0}.day-btn{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;border:none;background:none;font-size:.8rem;cursor:pointer;transition:all .2s;position:relative;border-radius:4px}.day-btn:hover{background:#f1f5f9}.day-btn.in-range{background:#eff6ff;border-radius:0}.day-btn.selected{background:#3b82f6;color:#fff;border-radius:50%!important;z-index:2}.day-btn.range-start{border-top-left-radius:50%!important;border-bottom-left-radius:50%!important;border-top-right-radius:0;border-bottom-right-radius:0}.day-btn.range-end{border-top-right-radius:50%!important;border-bottom-right-radius:50%!important;border-top-left-radius:0;border-bottom-left-radius:0}.day-btn.other-month{color:#e2e8f0;pointer-events:none}.draggable-task{cursor:grab;transition:all .2s;-webkit-user-select:none;user-select:none}.draggable-task:active{cursor:grabbing;opacity:.8;transform:scale(.98)}.draggable-task.selected-task{background:#dbeafe!important;border-left:4px solid #2563eb!important;box-shadow:0 0 0 2px #3b82f64d}.calendar-day-cell{transition:background .2s,border-color .2s;border:1px solid transparent}.calendar-day-cell.drag-over{background:#fef08a!important;border-color:#eab308}button:disabled{opacity:.6;cursor:not-allowed!important}.range-slider-container{padding:0 11px}.range-slider-input{left:0;width:100%}