* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            min-height: 100vh;
            background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
            padding: 1rem;
            transition: all 0.3s ease;
        }
        
        body.dark-mode {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            color: #e2e8f0;
        }
        
        .container {
            max-width: 42rem;
            margin: 0 auto;
        }
        
        .card {
            background: white;
            border-radius: 1rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        
        .dark-mode .card {
            background: #1e293b;
            color: #e2e8f0;
            border: 1px solid #334155;
        }
        
        .header {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .header-content {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        
        h1 {
            font-size: 1.875rem;
            font-weight: bold;
            color: #1f2937;
        }
        
        .dark-mode h1 {
            color: #e2e8f0;
        }
        
        .subtitle {
            font-size: 0.875rem;
            color: #6b7280;
        }
        
        .dark-mode .subtitle {
            color: #94a3b8;
        }
        
        .icon {
            width: 32px;
            height: 32px;
            color: #4f46e5;
        }
        
        button {
            cursor: pointer;
            border: none;
            border-radius: 0.5rem;
            font-weight: 600;
            transition: all 0.2s ease;
        }
        
        button:hover {
            transform: translateY(-2px);
        }
        
        button:active {
            transform: translateY(0);
        }
        
        .btn-dark {
            padding: 0.5rem;
            background: #e5e7eb;
        }
        
        .btn-dark:hover {
            background: #d1d5db;
        }
        
        .dark-mode .btn-dark {
            background: #374151;
        }
        
        .dark-mode .btn-dark:hover {
            background: #4b5563;
        }
        
        .tabs {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }
        
        .tab {
            flex: 1;
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: 0.875rem;
        }
        
        .tab-active {
            background: #4f46e5;
            color: white;
        }
        
        .tab-inactive {
            background: #e5e7eb;
            color: #374151;
        }
        
        .tab-inactive:hover {
            background: #d1d5db;
        }
        
        .total-box {
            background: linear-gradient(135deg, #4f46e5 0%, #9333ea 100%);
            border-radius: 1rem;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            padding: 2rem;
            color: white;
            text-align: center;
            margin-bottom: 1.5rem;
        }
        
        .total-value {
            font-size: 3.75rem;
            font-weight: bold;
            margin: 0.5rem 0;
        }
        
        .total-label {
            font-size: 1.125rem;
            opacity: 0.9;
        }
        
        .btn-total {
            margin-top: 1rem;
            padding: 0.5rem 1.5rem;
            background: rgba(255, 255, 255, 0.2);
            color: white;
            font-weight: 600;
        }
        
        .btn-total:hover {
            background: rgba(255, 255, 255, 0.3);
        }
        
        h2 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 1rem;
        }
        
        .dark-mode h2 {
            color: #e2e8f0;
        }
        
        .form-group {
            margin-bottom: 1rem;
        }
        
        label {
            display: block;
            font-size: 0.875rem;
            font-weight: 500;
            color: #374151;
            margin-bottom: 0.5rem;
        }
        
        .dark-mode label {
            color: #d1d5db;
        }
        
        input {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid #d1d5db;
            border-radius: 0.5rem;
            font-size: 1rem;
        }
        
        input:focus {
            outline: none;
            border-color: #4f46e5;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }
        
        .dark-mode input {
            background: #334155;
            border-color: #475569;
            color: #e2e8f0;
        }
        
        .btn-row {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
        }
        
        .btn-time {
            flex: 1;
            padding: 0.5rem 1rem;
            background: #e0e7ff;
            color: #4338ca;
            font-weight: 500;
        }
        
        .btn-time:hover {
            background: #c7d2fe;
        }
        
        .info-box {
            padding: 0.75rem;
            border-radius: 0.5rem;
            font-size: 0.875rem;
            margin-bottom: 1rem;
        }
        
        .info-blue {
            background: #eff6ff;
            border: 1px solid #bfdbfe;
            color: #1e40af;
        }
        
        .info-green {
            background: #f0fdf4;
            border: 1px solid #bbf7d0;
            color: #15803d;
        }
        
        .info-red {
            background: #fef2f2;
            border: 1px solid #fecaca;
            color: #991b1b;
        }
        
        .info-indigo {
            background: #eef2ff;
            border: 1px solid #c7d2fe;
            color: #4338ca;
        }
        
        .btn-primary {
            width: 100%;
            padding: 0.75rem 1.5rem;
            background: #4f46e5;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        
        .btn-primary:hover {
            background: #4338ca;
        }
        
        .btn-primary:disabled {
            background: #d1d5db;
            cursor: not-allowed;
        }
        
        .btn-green {
            width: 100%;
            padding: 0.75rem 1.5rem;
            background: #16a34a;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        
        .btn-green:hover {
            background: #15803d;
        }
        
        .btn-red {
            width: 100%;
            padding: 0.75rem 1.5rem;
            background: #dc2626;
            color: white;
            display: flex;
            align-items: center;
            justify-center;
            gap: 0.5rem;
        }
        
        .btn-red:hover {
            background: #b91c1c;
        }
        
        .list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem;
            border-radius: 0.5rem;
            margin-bottom: 0.75rem;
            transition: all 0.2s ease;
        }
        
        .list-item:hover {
            transform: translateX(4px);
        }
        
        .item-normal {
            background: #f9fafb;
        }
        
        .item-brugt {
            background: #fef2f2;
        }
        
        .dark-mode .item-normal {
            background: #334155;
        }
        
        .item-value {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        
        .value-green {
            color: #16a34a;
        }
        
        .value-red {
            color: #dc2626;
        }
        
        .value-gray {
            color: #6b7280;
        }
        
        .badge {
            display: inline-block;
            padding: 0.125rem 0.5rem;
            border-radius: 0.25rem;
            font-size: 0.75rem;
            font-weight: 600;
            margin-left: 0.5rem;
        }
        
        .badge-indigo {
            background: #e0e7ff;
            color: #4338ca;
        }
        
        .badge-green {
            background: #d1fae5;
            color: #047857;
        }
        
        .badge-red {
            background: #fee2e2;
            color: #991b1b;
        }
        
        .text-sm {
            font-size: 0.875rem;
            color: #6b7280;
            margin-top: 0.25rem;
        }
        
        .dark-mode .text-sm {
            color: #94a3b8;
        }
        
        .btn-delete {
            padding: 0.5rem;
            background: transparent;
            color: #dc2626;
        }
        
        .btn-delete:hover {
            background: #fef2f2;
            border-radius: 0.5rem;
        }
        
        .empty-state {
            text-align: center;
            padding: 3rem 1.5rem;
        }
        
        .empty-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 1rem;
            color: #d1d5db;
        }
        
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        
        .stat-card {
            padding: 1.5rem;
            border-radius: 1rem;
            color: white;
        }
        
        .stat-label {
            font-size: 0.875rem;
            opacity: 0.8;
        }
        
        .stat-value {
            font-size: 1.875rem;
            font-weight: bold;
            margin-top: 0.25rem;
        }
        
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 0.5rem;
        }
        
        .calendar-day {
            padding: 0.5rem;
            text-align: center;
            border-radius: 0.5rem;
            min-height: 60px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: opacity 0.2s;
        }
        
        .calendar-day:hover {
            opacity: 0.8;
        }
        
        .day-header {
            font-weight: 600;
            font-size: 0.875rem;
            padding: 0.5rem;
            color: #6b7280;
        }
        
        .day-number {
            font-weight: 600;
        }
        
        .day-value {
            font-size: 0.75rem;
            font-weight: bold;
            margin-top: 0.25rem;
        }
        
        .day-gray {
            background: #f3f4f6;
            color: #1f2937;
        }
        
        .day-green {
            background: #d1fae5;
            color: #065f46;
        }
        
        .day-red {
            background: #fee2e2;
            color: #991b1b;
        }
        
        .dark-mode .day-gray {
            background: #374151;
            color: #e5e7eb;
        }
        
        .dark-mode .day-green {
            background: #064e3b;
            color: #6ee7b7;
        }
        
        .dark-mode .day-red {
            background: #7f1d1d;
            color: #fca5a5;
        }
        
        .header-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }
        
        .btn-month {
            padding: 0.5rem 1rem;
            background: #e5e7eb;
            color: #1f2937;
            font-weight: bold;
        }
        
        .btn-month:hover {
            background: #d1d5db;
        }
        
        .link-button {
            background: none;
            padding: 0;
            color: #4f46e5;
            font-size: 0.875rem;
            font-weight: 500;
        }
        
        .link-button:hover {
            color: #4338ca;
            transform: none;
        }