margin-top: 2px;
            }
            
            .calendar-allday-event {
                font-size: 0.85rem;
                padding: 8px 10px;
                border-radius: 8px;
                margin-bottom: 4px;
            }
            
            /* Week view on mobile */
            .calendar-week-view {
                border-radius: 0;
                margin: 0 -0.5rem;
            }
            
            .calendar-week-header {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                display: flex;
            }
            
            .calendar-week-day-header {
                min-width: 90px;
                flex-shrink: 0;
                padding: 0.5rem 0.25rem;
            }
            
            .calendar-week-body {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                display: flex;
            }
            
            .calendar-week-day-column {
                min-width: 90px;
                flex-shrink: 0;
            }
            
            /* Month view on mobile */
            .calendar-month-view {
                border-radius: 0;
                margin: 0 -0.5rem;
            }
            
            .calendar-month-day {
                min-height: 55px;
                padding: 0.15rem;
            }
            
            .month-day-number {
                font-size: 0.75rem;
            }
            
            .calendar-month-event {
                font-size: 0.6rem;
                padding: 0.1rem 0.15rem;
            }
            
            .calendar-month-more {
                font-size: 0.6rem;
            }
            
            /* Regular calendar mobile */
            .regular-week-view {
                border-radius: 0;
                margin: 0 -0.5rem;
            }
            
            .regular-week-header {
                display: flex;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            
            .regular-week-day-header {
                min-width: 120px;
                flex-shrink: 0;
                padding: 0.6rem 0.3rem;
            }
            
            .regular-week-day-header .day-name {
                font-size: 0.85rem;
            }
            
            .regular-week-body {
                display: flex;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scroll-snap-type: x mandatory;
                padding-bottom: 8px;
            }
            
            .regular-week-day-column {
                min-width: 85%;
                max-width: 85%;
                flex-shrink: 0;
                padding: 0.5rem;
                scroll-snap-align: start;
            }
            
            .regular-task-card {
                padding: 0.75rem;
                padding-right: 50px;
                margin-bottom: 0.75rem;
            }
            
            .regular-task-card .task-title {
                font-size: 0.9rem;
                line-height: 1.3;
            }
            
            .regular-task-card .task-time {
                font-size: 0.8rem;
            }
            
            .regular-task-complete-btn {
                width: 36px;
                height: 36px;
            }
            
            .regular-day-empty {
                padding: 2rem 0.5rem;
                font-size: 0.85rem;
            }
            
            /* Scroll indicator */
            .regular-week-body::after {
                content: '';
                min-width: 15%;
                flex-shrink: 0;
            }
        }
        
        /* iOS Safe Areas */
        @supports (padding-bottom: env(safe-area-inset-bottom)) {
            .bottom-nav {
                padding-bottom: calc(0.5rem + env(safe-area-inset-bottom));
            }
            
            .calendar-day-body {
                max-height: calc(100vh - 280px - env(safe-area-inset-bottom));
            }
        }
        
        /* Mobile Regular Tasks Day Tabs */
        .mobile-regular-tabs {
            display: none;
        }
        
        .mobile-regular-day-view {
            display: none;
        }
        
        @media (max-width: 767px) {
            .mobile-regular-tabs {
                display: block;
                background: white;
                padding: 12px 8px;
                margin: 0 -0.5rem;
                border-bottom: 1px solid #e5e7eb;
            }
            
            .regular-day-tabs {
                display: flex;
                justify-content: space-between;
                gap: 4px;
            }
            
            .regular-day-tab {
                flex: 1;
                padding: 10px 4px;
                border: none;
                background: #f3f4f6;
                border-radius: 10px;
                font-size: 0.85rem;
                font-weight: 600;
                color: #6b7280;
                cursor: pointer;
                transition: all 0.2s;
                -webkit-tap-highlight-color: transparent;
            }
            
            .regular-day-tab:active {
                transform: scale(0.95);
            }
            
            .regular-day-tab.active {
                background: var(--primary);
                color: white;
            }
            
            .regular-day-tab.today:not(.active) {
                background: #e0e7ff;
                color: var(--primary);
            }
            
            .regular-day-tab.has-tasks::after {
                content: '';
                display: block;
                width: 5px;
                height: 5px;
                background: currentColor;
                border-radius: 50%;
                margin: 4px auto 0;
                opacity: 0.6;
            }
            
            .mobile-regular-day-view {
                display: block;
                background: #f9fafb;
                min-height: calc(100vh - 350px);
                padding: 12px;
                margin: 0 -0.5rem;
            }
            
            .mobile-regular-day-content {
                max-height: calc(100vh - 380px);
                overflow-y: auto;
                -webkit-overflow-scrolling: touch;
            }
            
            .mobile-regular-empty {
                text-align: center;
                padding: 60px 20px;
                color: #9ca3af;
            }
            
            .mobile-regular-empty-icon {
                font-size: 3rem;
                margin-bottom: 12px;
                opacity: 0.5;
            }
            
            .mobile-regular-empty-text {
                font-size: 1rem;
                font-weight: 500;
            }
            
            .mobile-regular-section-header {
                display: flex;
                align-items: center;
                gap: 8px;
                font-size: 0.85rem;
                font-weight: 600;
                color: #6b7280;
                padding: 16px 4px 8px;
                margin-top: 8px;
                border-top: 1px solid #e5e7eb;
            }
            
            .mobile-regular-section-header:first-child {
                border-top: none;
                margin-top: 0;
                padding-top: 0;
            }
            
            /* Hide desktop week view on mobile */
            .regular-calendar-container {
                display: none !important;
            }
            
            /* Bigger task cards on mobile */
            .mobile-regular-day-view .regular-task-card {
                padding: 16px;
                padding-right: 56px;
                margin-bottom: 12px;
                border-radius: 12px;
            }
            
            .mobile-regular-day-view .regular-task-card .task-title {
                font-size: 1rem;
                margin-bottom: 6px;
            }
            
            .mobile-regular-day-view .regular-task-card .task-time {
                font-size: 0.85rem;
                margin-bottom: 6px;
            }
            
            .mobile-regular-day-view .regular-task-card .task-assignee {
                font-size: 0.8rem;
            }
            
            .mobile-regular-day-view .regular-task-card .task-function {
                font-size: 0.75rem;
                padding: 4px 8px;
            }
            
            .mobile-regular-day-view .regular-task-complete-btn {
                width: 40px;
                height: 40px;
                right: 12px;
            }
            
            .mobile-regular-day-view .regular-task-complete-btn svg {
                width: 20px;
                height: 20px;
            }
            
            /* Hide regular header view switcher on mobile */
            #regularCalendarHeader .calendar-view-switcher {
                display: none;
            }
            
            #regularCalendarHeader h3 {
                font-size: 1rem !important;
            }
        }
        
        /* Demo Data Options */
        .demo-option-btn {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem;
            border: 1px solid #e5e7eb;
            border-radius: 12px;
            background: white;
            cursor: pointer;
            transition: all 0.2s;
            text-align: left;
            width: 100%;
        }
        
        .demo-option-btn:hover {
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
        }
        
        .demo-option-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        
        .demo-option-info {
            flex: 1;
            min-width: 0;
        }
        
        .demo-option-info strong {
            display: block;
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 0.25rem;
        }
        
        .demo-option-info span {
            font-size: 0.8rem;
            color: var(--gray);
        }
        
        /* Hide calendar on desktop when list is active */
        .calendar-container {
            display: none;
        }
        
        .calendar-container.active {
            display: block;
        }
        
        .list-container {
            display: none;
        }
        
        .list-container.active {
            display: block;
        }
        
        /* ===================== */
        /* REGULAR CALENDAR      */
        /* ===================== */
        
        .regular-calendar-container {
            display: none;
        }
        
        .regular-calendar-container.active {
            display: block;
        }
        
        .regular-list-container {
            display: none;
        }
        
        .regular-list-container.active {
            display: block;
        }
        
        /* Control Panel Expandable Rows */
        .control-row {
            background: #f8f9fa;
            border-radius: 8px;
            margin-bottom: 0.5rem;
            overflow: hidden;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .control-row:hover {
            background: #f0f0f0;
        }
        
        .control-row-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.75rem 1rem;
        }
        
        .control-row-count {
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .control-row .expand-icon {
            transition: transform 0.2s;
        }
        
        .control-row.expanded .expand-icon {
            transform: rotate(180deg);
        }
        
        .control-row-tasks {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background: white;
            border-top: 1px solid #e5e7eb;
        }
        
        .control-row.expanded .control-row-tasks {
            max-height: 500px;
            overflow-y: auto;
        }
        
        .control-task-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #f0f0f0;
            cursor: pointer;
            transition: background 0.15s;
        }
        
        .control-task-item:hover {
            background: #f0fdf4;
        }
        
        .control-task-item:last-child {
            border-bottom: none;
        }
        
        .control-task-item.overdue {
            background: #fef2f2;
        }
        
        .control-task-item.overdue:hover {
            background: #fee2e2;
        }
        
        .control-task-item .task-title {
            font-size: 0.85rem;
            color: var(--dark);
            flex: 1;
        }
        
        .control-task-item .task-meta {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            font-size: 0.75rem;
        }
        
        .control-task-item .task-func {
            background: #e0e7ff;
            color: #4338ca;
            padding: 0.15rem 0.4rem;
            border-radius: 4px;
        }
        
        .control-task-item .task-assignee {
            background: #dbeafe;
            color: #1d4ed8;
            padding: 0.15rem 0.4rem;
            border-radius: 4px;
        }
        
        .control-task-item .task-date {
            color: var(--gray);
        }
        
        .control-task-item .task-date.overdue {
            color: #dc2626;
            font-weight: 600;
        }
        
        .regular-schedule-view {
            background: white;
            border-radius: 12px;
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        
        .regular-schedule-header {
            display: flex;
            background: #f9fafb;
            border-bottom: 1px solid #e5e7eb;
        }
        
        .regular-time-gutter {
            width: 60px;
            flex-shrink: 0;
            border-right: 1px solid #e5e7eb;
        }
        
        .regular-days-header {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            flex: 1;
        }
        
        .regular-week-day-header {
            padding: 1rem 0.5rem;
            text-align: center;
            border-right: 1px solid #e5e7eb;
        }
        
        .regular-week-day-header:last-child {
            border-right: none;
        }
        
        .regular-week-day-header .day-name {
            font-weight: 600;
            color: var(--dark);
            font-size: 0.9rem;
        }
        
        .regular-week-day-header.today {
            background: #ecfdf5;
        }
        
        .regular-week-day-header.today .day-name {
            color: var(--success);
        }
        
        .regular-schedule-body {
            display: flex;
            max-height: calc(100vh - 300px);
            min-height: 500px;
            overflow-y: auto;
        }
        
        .regular-time-column {
            width: 60px;
            flex-shrink: 0;
            border-right: 1px solid #e5e7eb;
            background: #f9fafb;
            position: sticky;
            left: 0;
            z-index: 5;
        }
        
        .regular-time-column .time-slot {
            height: 60px;
            padding: 4px 8px;
            font-size: 0.8rem;
            color: #666;
            border-bottom: 1px solid #f0f0f0;
            text-align: right;
            font-weight: 500;
        }
        
        .regular-days-body {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            flex: 1;
            position: relative;
        }
        
        .regular-day-column {
            border-right: 1px solid #e5e7eb;
            position: relative;
            min-height: 960px; /* 16 hours * 60px */
        }
        
        .regular-day-column:last-child {
            border-right: none;
        }
        
        .regular-day-column.today {
            background: #f0fdf4;
        }
        
        .regular-day-column .hour-line {
            position: absolute;
            left: 0;
            right: 0;
            height: 1px;
            background: #f0f0f0;
        }
        
        .regular-task-block {
            position: absolute;
            left: 4px;
            right: 4px;
            background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
            border-left: 5px solid var(--primary);
            border-radius: 8px;
            padding: 8px 10px;
            cursor: pointer;
            transition: all 0.2s;
            overflow: hidden;
            z-index: 1;
            box-shadow: 0 2px 6px rgba(0,0,0,0.1);
        }
        
        .regular-task-block:hover {
            box-shadow: 0 6px 16px rgba(34, 197, 94, 0.25);
            transform: scale(1.02);
            z-index: 10;
            border-left-width: 6px;
        }
        
        .regular-task-block .task-time {
            font-size: 0.75rem;
            color: #16a34a;
            font-weight: 700;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .regular-task-block .task-time::before {
            content: '';
            width: 6px;
            height: 6px;
            background: #22c55e;
            border-radius: 50%;
            display: inline-block;
        }
        
        .regular-task-block .task-title {
            font-weight: 600;
            font-size: 0.85rem;
            color: #1a1a1a;
            line-height: 1.3;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            margin-bottom: 4px;
        }
        
        .regular-task-block .task-assignee {
            font-size: 0.7rem;
            color: #525252;
            margin-top: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .regular-task-block .task-assignee::before {
            content: '';
            display: inline-block;
            width: 0.75rem;
            height: 0.75rem;
            background: currentColor;
            -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M19 21v-2a4 4 0 0 0-4-4H9a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E") center/contain no-repeat;
            mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M19 21v-2a4 4 0 0 0-4-4H9a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E") center/contain no-repeat;
        }
        
        .regular-task-block .task-function {
            font-size: 0.65rem;
            background: rgba(255,255,255,0.85);
            color: #4338ca;
            padding: 2px 6px;
            border-radius: 4px;
            display: inline-block;
            margin-top: 4px;
            font-weight: 500;
            border: 1px solid rgba(67, 56, 202, 0.2);
        }
        
        .regular-task-block.completed {
            opacity: 0.5;
            background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
            border-left-color: #9e9e9e;
        }
        
        .regular-task-block.completed .task-time::before {
            background: #9e9e9e;
        }
        
        .regular-task-block.short {
            padding: 2px 6px;
        }
        
        .regular-task-block.short .task-title {
            font-size: 0.7rem;
        }
        
        .regular-task-block.short .task-assignee,
        .regular-task-block.short .task-function {
            display: none;
        }
        
        .regular-task-block.narrow {
            padding: 4px 6px;
        }
        
        .regular-task-block.narrow .task-time {
            font-size: 0.6rem;
        }
        
        .regular-task-block.narrow .task-title {
            font-size: 0.7rem;
            line-height: 1.1;
        }
        
        .regular-task-block.narrow .task-assignee,
        .regular-task-block.narrow .task-function {
            display: none;
        }
        
        /* Old styles for compatibility */
        .regular-week-view {
            background: white;
            border-radius: 12px;
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        
        .regular-week-header {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            background: #f9fafb;
            border-bottom: 1px solid #e5e7eb;
        }
        
        .regular-week-body {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            min-height: 400px;
        }
        
        .regular-week-day-column {
            border-right: 1px solid #e5e7eb;
            padding: 0.5rem;
            min-height: 300px;
        }
        
        .regular-week-day-column:last-child {
            border-right: none;
        }
        
        .regular-week-day-column.today {
            background: #f0fdf4;
        }
        
        .regular-task-card {
            background: white;
            border: 1px solid #e5e7eb;
            border-left: 4px solid var(--primary);
            border-radius: 8px;
            padding: 0.6rem;
            margin-bottom: 0.5rem;
            cursor: pointer;
            transition: all 0.2s;
            position: relative;
        }
        
        .regular-task-card:hover {
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            transform: translateY(-1px);
        }
        
        .regular-task-card .task-time {
            font-size: 0.75rem;
            color: var(--gray);
            margin-bottom: 0.25rem;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        
        .regular-task-card .task-title {
            font-weight: 500;
            font-size: 0.85rem;
            color: var(--dark);
            margin-bottom: 0.25rem;
            padding-right: 40px;
        }
        
        .regular-task-card .task-assignee {
            font-size: 0.7rem;
            color: var(--gray);
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        
        .regular-task-card .task-function {
            font-size: 0.65rem;
            background: #e0e7ff;
            color: #4338ca;
            padding: 0.15rem 0.4rem;
            border-radius: 4px;
            display: inline-block;
            margin-top: 0.25rem;
        }
        
        /* Complete button for regular tasks */
        .regular-task-complete-btn {
            position: absolute;
            top: 50%;
            right: 8px;
            transform: translateY(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid #d1d5db;
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s;
            z-index: 5;
        }
        
        .regular-task-complete-btn:hover {
            border-color: var(--success);
            background: #f0fdf4;
        }
        
        .regular-task-complete-btn:active {
            transform: translateY(-50%) scale(0.9);
        }
        
        .regular-task-complete-btn svg {
            width: 16px;
            height: 16px;
            color: #d1d5db;
            transition: color 0.2s;
        }
        
        .regular-task-complete-btn:hover svg {
            color: var(--success);
        }
        
        .regular-task-complete-btn.completed {
            border-color: var(--success);
            background: var(--success);
        }
        
        .regular-task-complete-btn.completed svg {
            color: white;
        }
        
        .regular-task-card.completed {
            opacity: 0.6;
            border-left-color: var(--success);
        }
        
        .regular-task-card.completed .task-title {
            text-decoration: line-through;
            color: var(--gray);
        }
        
        /* Empty day placeholder */
        .regular-day-empty {
            text-align: center;
            color: #d1d5db;
            font-size: 0.8rem;
            padding: 2rem 0.5rem;
        }
        
        /* ===================== */
        /* IMPROVED LIST VIEW    */
        /* ===================== */
        
        .task-list-card {
            background: white;
            border-radius: 12px;
            padding: 1rem;
            margin-bottom: 0.75rem;
            box-shadow: 0 1px 3px rgba(0,0,0,0.08);
            border-left: 4px solid var(--gray);
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .task-list-card:hover {
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        
        .task-list-card.priority-high { border-left-color: var(--danger); }
        .task-list-card.priority-medium { border-left-color: var(--warning); }
        .task-list-card.priority-low { border-left-color: var(--success); }
        
        .task-list-card.status-done {
            opacity: 0.6;
            border-left-color: var(--success);
        }
        
        .task-list-checkbox {
            width: 22px;
            height: 22px;
            border: 2px solid #d1d5db;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.2s;
        }
        
        .task-list-checkbox:hover {
            border-color: var(--success);
            background: #ecfdf5;
        }
        
        .task-list-checkbox.checked {
            background: var(--success);
            border-color: var(--success);
        }
        
        .task-list-checkbox.checked svg {
            color: white;
        }
        
        .task-list-content {
            flex: 1;
            min-width: 0;
        }
        
        .task-list-title {
            font-weight: 500;
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 0.35rem;
        }
        
        .task-list-card.status-done .task-list-title {
            text-decoration: line-through;
            color: var(--gray);
        }
        
        .task-list-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: var(--gray);
        }
        
        .task-list-meta-item {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        
        .task-list-meta-item.overdue {
            color: var(--danger);
            font-weight: 500;
        }
        
        .task-list-actions {
            display: flex;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        
        /* Mobile Regular Calendar */
        @media (max-width: 767px) {
            .regular-week-header {
                display: flex;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }