body {
            background: url('background.png') #F5E9D9 !important;
            background-size: cover !important;
            background-repeat: no-repeat !important;
            background-position: center !important;
            background-attachment: fixed !important;
            min-height: 100vh !important;
            padding: 20px !important;
            margin: 0 !important;
            display: flex !important;
            justify-content: center !important;
            align-items: flex-start !important;
        }

        .container-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100%;
            max-width: 1600px;
        }

        .custom-container {
            background: rgba(255, 255, 255, 0.97);
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
            padding: 20px;
            margin: 10px 0;
            width: 100%;
            max-width: 780px;
            box-sizing: border-box;
            transition: max-width 0.3s ease;
            position: relative;
        }

        .custom-container.expanded {
            max-width: 1573px;
        }

         /* Menü Çubuğu Stilleri */
        /* Menü Çubuğu Stilleri */
        .nav-container {
            background: rgba(255, 255, 255, 0.97);
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
            padding: 0;
            margin: 10px 0;
            width: 100%;
            max-width: 780px;
            box-sizing: border-box;
            font-family: 'Bricolage Grotesque', sans-serif !important;
        }
        
        .nav-wrapper {
            background-color: rgba(119,190,186,255) !important;
            border-radius: 8px 8px 0 0;
            display: flex;
            align-items: center; /* Dikey ortalama */
            padding: 0 20px; /* Kenarlardan biraz boşluk bıraktık */
            height: 64px; /* Yükseklik sabitleme */
        }
        
        .nav-wrapper .container {
            display: flex;
            justify-content: space-between; /* ÖNEMLİ: Biri sağa biri sola yaslansın */
            align-items: center;
            width: 100%;
            max-width: 780px;
            position: relative;
            height: 100%;
        }
        
        .nav-mobile {
            /* Mobilde ikonun konumu için */
            display: none; 
            margin-right: 10px;
        }
        
        /* Eski 'center' sınıfı kalsa bile 'right' sınıfını hedefliyoruz */
        .nav-wrapper ul.right {
            display: flex;
            justify-content: flex-end;
            align-items: center;
            margin: 0;
            padding: 0;
            list-style: none;
            height: 100%;
        }
        
        .nav-wrapper ul.right li {
            height: 100%;
            display: flex;
            align-items: center;
        }
        
        .nav-wrapper ul.right li a {
            color: #fff;
            font-size: 1rem;
            font-weight: 500;
            transition: color 0.3s ease;
            display: flex;
            align-items: center;
            height: 100%;
            padding: 0 15px; /* Linkler arası boşluk */
        }
        
        .nav-wrapper ul.right li a:hover {
            color: #e0f7fa;
            background-color: rgba(0, 0, 0, 0.1);
        }

        /* Yedek olarak eski center stillerini de koruyoruz (bozulmasın diye) */
        .nav-wrapper ul.center {
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        
        .sidenav {
            background-color: rgba(255, 255, 255, 0.97);
            width: 250px;
        }
        
        .sidenav li a {
            color: #26a69a;
            font-size: 1.1rem;
            font-weight: 500;
            font-family: 'Bricolage Grotesque', sans-serif !important;
        }
        
        .sidenav li a:hover {
            background-color: #f5f5f5;
            color: #00796b;
        }
        
        .sidenav-trigger {
            display: flex;
            align-items: center;
            color: #fff !important;
            font-size: 1.2rem;
            font-weight: 600;
            font-family: 'Bricolage Grotesque', sans-serif !important;
            padding: 0;
            margin: 0;
            cursor: pointer;
        }
        
        .sidenav-trigger i {
            margin: 0;
        }
        
        @media only screen and (max-width: 900px) {
            .nav-container {
                max-width: 100%;
                padding: 10px;
            }
        
            .nav-wrapper .container {
                max-width: 100%;
                padding: 0 10px;
                justify-content: flex-start; /* Mobilde sola yasla */
            }
        
            .nav-mobile {
                display: block; /* Mobilde ikonu göster */
            }
        
            .nav-wrapper ul.right, .nav-wrapper ul.center {
                display: none; /* Mobilde masaüstü menüyü gizle */
            }
        }

            .mobile-menu-custom {
                    display: none !important; 
            }

            @media only screen and (max-width: 992px) {
                .mobile-menu-custom {
                    display: flex !important;
                    align-items: center;
                    height: 100%;
                    padding: 0 10px;
                    cursor: pointer;
                    margin-right: 15px;
                }
            }

        /* Mevcut Stiller */
        header h3 {
            font-family: 'Bricolage Grotesque', sans-serif !important;
            font-size: 2.5rem;
            font-weight: 700;
            color: black;
            text-align: center;
            margin: 20px 0;
        }

        .input-field label {
            color: #26a69a;
        }

        .weekend, .holiday {
            background-color: #757575 !important;
            color: #ffffff;
        }

        .unavailable {
            background-color: #ffebee !important;
            position: relative;
        }

        .unavailable::after {
            content: "✖";
            color: #ff1744;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 1.2rem;
            pointer-events: none;
        }

        .dragging {
            background-color: rgba(200, 230, 201, 0.8);
        }

        .selected {
            background-color: #c8e6c9 !important;
            position: relative;
        }

        .selected::after {
            content: "✓";
            color: #2e7d32;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 1.4rem;
            font-weight: bold;
            pointer-events: none;
        }

        .collapsible.popout {
            margin: 0;
        }

        .collapsible-header {
            font-family: 'Bricolage Grotesque', sans-serif !important;
            background-color: rgba(119,190,186,255) !important;
            font-weight: 500;
            padding: 20px;
            border-bottom: 1px solid #ddd;
            cursor: pointer;
        }

        .collapsible-body {
            font-family: 'Bricolage Grotesque', sans-serif !important;
            background: white;
            padding: 15px;
            border-bottom: 1px solid #ddd;
            display: none;
            overflow: visible;
        }

        #calendarTable {
            font-family: 'Bricolage Grotesque', sans-serif !important;
            width: 100%;
            overflow-x: auto;
            table-layout: fixed;
        }

        #calendarTable th:first-child {
            width: 100px !important;
            min-width: 100px !important;
            text-align: left;
        }

        #calendarTable th {
            text-align: center;
            vertical-align: middle;
        }

        .calendar-cell {
            position: relative;
            min-width: 40px;
            height: 40px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            vertical-align: middle;
            border: 1px solid #ddd;
            touch-action: manipulation;
            -webkit-user-select: none;
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }

        #calendarAlert {
            transition: opacity 0.3s ease;
        }

        .name-column {
            min-width: 100px !important;
            width: 100px !important;
            max-width: 200px !important;
            overflow: hidden;
            padding: 0 5px;
            font-size: 14px;
        }

        .no-personnel-message {
            font-style: italic;
            font-size: 14px;
            color: #757575;
            text-align: center;
            padding: 20px 0;
        }

        .modal-content h4 {
            color: #d32f2f;
        }

        .error-list {
            max-height: 60vh;
            overflow-y: auto;
        }

        .error-item {
            padding: 8px 0;
            border-bottom: 1px solid #eee;
        }

        .error-type {
            font-weight: bold;
            color: #d32f2f;
        }

        .warning-type {
            font-weight: bold;
            color: #f57c00;
        }

        #statsTable td {
            padding: 10px 15px;
        }

        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            display: none;
        }

        .left-align {
            text-align: left;
        }

        .duty-gap-header {
            display: flex;
            align-items: center;
            justify-content: center;
            white-space: nowrap;
            width: 100%;
            height: 100%;
            text-align: center;
        }

        .duty-gap-cell {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .increment-btn, .decrement-btn {
            padding: 0 10px;
            margin: 0 2px;
            display: flex;
            justify-content: center;
            align-items: center;
            width: 20px;
            height: 20px;
        }

        table.striped > tbody > tr > td,
        table.striped > tbody > tr > th,
        td, th {
            padding: 0 !important;
        }

        #personTable tbody tr {
            height: 30px !important;
            min-height: 30px !important;
            max-height: 30px !important;
            overflow: visible !important;
        }

        #personTable tbody td {
            padding: 0 6px !important;
            height: 30px !important;
            vertical-align: middle !important;
            line-height: 30px !important;
            box-sizing: border-box !important;
            overflow: visible !important;
        }

        #personTable tbody td input[type="number"] {
            height: 20px !important;
            padding: 0 5px !important;
            line-height: 20px !important;
            margin: 0 2px !important;
            font-size: 12px !important;
            margin: 0 !important;
            box-sizing: border-box !important;
            border: 1px solid #9e9e9e !important;
            border-radius: 2px !important;
        }

        #personTable tbody td input[type="number"]:focus {
            border-bottom: 1px solid #26a69a !important;
            box-shadow: 0 1px 0 0 #26a69a !important;
        }

        #personTable tbody td .btn-floating {
            width: 20px !important;
            height: 20px !important;
            line-height: 20px !important;
            font-size: 10px !important;
            margin: 0 2px !important;
            padding: 0 !important;
            display: flex !important;
            align-items: center !important;
            justify-content: center !important;
            box-shadow: none !important;
        }

        #personTable tbody td .btn-floating i {
            line-height: 20px !important;
            font-size: 12px !important;
            margin: 0 !important;
            display: flex !important;
            align-items: center !important;
            justify-content: center !important;
        }

        #personTable tbody td .duty-gap-cell span {
            font-size: 12px !important;
            line-height: 20px !important;
            margin-right: 5px !important;
        }

        table#personTable thead th {
            text-align: center !important;
            vertical-align: middle !important;
            padding: 5px !important;
        }

        #guideCollapsible {
            margin: 0;
        }

        #guideCollapsible .collapsible-header {
            background-color: rgba(119,190,186,0.9) !important;
            border-radius: 0;
            border-bottom: none;
        }

        #guideCollapsible .collapsible-body {
            background: rgba(255, 255, 255, 0.97);
            border-radius: 0 0 8px 8px;
            box-shadow: none;
        }

        #guideCollapsible ul {
            list-style-type: none;
            padding: 0;
            margin: 0;
        }

        #guideCollapsible ul li {
            font-size: 1rem;
            color: #424242;
            margin-bottom: 10px;
            line-height: 1.4;
            position: relative;
            padding-left: 25px;
        }

        #guideCollapsible ul li:before {
            content: "•";
            color: #26a69a;
            font-size: 1.2rem;
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
        }

        #guideCollapsible ul li .btn-floating.tiny {
            width: 20px !important;
            height: 20px !important;
            line-height: 20px !important;
            font-size: 12px !important;
            margin-right: 5px;
            vertical-align: middle;
            display: inline-flex;
            justify-content: center;
            align-items: center;
            padding: 0;
        }

        #guideCollapsible ul li .btn-floating.tiny i {
            font-size: 12px !important;
            line-height: 20px !important;
            margin: 0 !important;
            padding: 0 !important;
            display: flex;
            justify-content: center;
            align-items: center;
            width: 100%;
            height: 100%;
        }

        .dropdown-content {
            min-width: 100px !important;
            background-color: #fff;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }

        .dropdown-content li {
            display: flex;
            justify-content: flex-start;
            align-items: center;
            padding: 5px 0 !important;
        }

        .dropdown-content li > a {
            color: #26a69a !important;
            font-size: 14px;
            padding: 10px 16px !important;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .dropdown-content li > a > i {
            font-size: 24px !important;
            color: #26a69a !important;
        }

        .dropdown-content li:hover {
            background-color: #f5f5f5 !important;
        }

        .switch input[type="checkbox"] + .lever {
            background-color: #f44336 !important;
        }

        .switch input[type="checkbox"]:checked + .lever {
            background-color: #4caf50 !important;
        }

        .switch input[type="checkbox"] + .lever:after {
            background-color: #d32f2f !important;
        }

        .switch input[type="checkbox"]:checked + .lever:after {
            background-color: #388e3c !important;
        }

        .switch label .lever {
            width: 48px !important;
            height: 20px !important;
        }

        .switch label .lever:after {
            width: 28px !important;
            height: 28px !important;
            top: -4px !important;
        }

        .switch label input[type="checkbox"]:checked + .lever:after {
            left: 18px !important;
        }

        .switch-container {
            background-color: rgba(119,190,186,255) !important;
            border: 2px solid #b0bec5;
            padding: 6px 10px;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
            display: inline-flex;
            flex-direction: column;
            align-items: flex-start;
            width: auto;
            box-sizing: border-box;
        }

        .switch-container label {
            width: auto;
            white-space: nowrap;
        }

        .balance-label {
            display: flex;
            align-items: center;
            margin: 2px 0;
        }

        .balance-label span {
            font-size: 0.8rem;
            color: #000;
            padding-left: 20px;
        }

        .balance-checkbox + span:not(.lever)::before {
            width: 14px;
            height: 14px;
            border: 2px solid #5a5a5a;
            border-radius: 2px;
            background-color: #fff;
        }

        .balance-checkbox:checked + span:not(.lever)::before {
            width: 8px;
            height: 16px;
            border: none;
            border-right: 2px solid #26a69a;
            border-bottom: 2px solid #26a69a;
            background: transparent;
            transform: rotate(45deg);
            margin-top: -3px;
            margin-left: 3px;
        }

        .fixed-footer {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: #2F4F4F;
            padding: 6.5px 0;
            box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
            z-index: 10000;
        }

        .footer-content {
            font-family: 'Bricolage Grotesque', sans-serif;
            font-size: 1.0rem;
            font-weight: 500;
            color: #fff;
            text-align: center;
            margin: 0;
        }

        .tooltip-wrapper {
            position: relative;
            display: inline-block;
        }

        .tooltip {
            position: absolute;
            top: -50px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 14px;
            font-family: 'Bricolage Grotesque', sans-serif;
            white-space: nowrap;
            z-index: 1000;
            visibility: hidden;
            opacity: 0;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
        }

        .tooltip-wrapper:hover .tooltip {
            visibility: visible;
            opacity: 1;
        }

        .tooltip-icon {
            font-size: 16px !important;
            vertical-align: middle;
            margin: 0 2px;
            color: #26a69a;
        }

        .btn {
            transition: 0.5s !important;
        }

        .btn:hover {
            transform: scale(1.1) !important;
        }

        .control-buttons .btn {
            margin-right: 20px !important;
        }

        .control-buttons .btn:last-child {
            margin-right: 0 !important;
        }

        .btn-floating {
            transition: 0.5s !important;
        }

        .btn-floating:hover {
            transform: scale(1.1) !important;
        }

        #emailModal {
            max-width: 400px;
        }

        .grouping-container {
            display: flex;
            align-items: center;
            margin-left: 10px;
        }

        .grouping-label {
            display: flex;
            align-items: center;
            color: #374151;
            white-space: nowrap;
        }

        .grouping-label span {
            font-size: 12px;
            margin-left: 5px;
        }

        .standalone-select-wrapper {
            position: relative;
            width: 100%;
            max-width: 100%;
            margin-left: 0 !important;
            padding-left: 0 !important;
        }

        .standalone-select-wrapper .select-container {
            position: relative;
            width: 100%;
        }

        .standalone-select-wrapper .select-container select {
            appearance: none !important;
            display: block !important;
            width: 100% !important;
            height: 40px !important;
            padding: 0 30px 0 15px !important;
            margin: 0 !important;
            font-size: 16px !important;
            font-family: 'Bricolage Grotesque', sans-serif !important;
            color: #374151 !important;
            background-color: #ffffff !important;
            border: 2px solid #d1d5db !important;
            border-radius: 8px !important;
            cursor: pointer !important;
            box-sizing: border-box !important;
            transition: border-color 0.3s ease, box-shadow 0.3s ease !important;
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="%23707177" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>') !important;
            background-repeat: no-repeat !important;
            background-position: right 10px center !important;
        }

        .standalone-select-wrapper .select-container select:focus {
            outline: none !important;
            border-color: #26a69a !important;
            box-shadow: 0 0 5px rgba(38, 166, 154, 0.5) !important;
        }

        .standalone-select-wrapper .select-container select option {
            padding: 8px 15px !important;
            background-color: #ffffff !important;
            color: #374151 !important;
        }

        .standalone-select-wrapper .select-container select option:hover {
            background-color: #f1f5f9 !important;
        }

        .standalone-select-wrapper .select-container label {
            position: absolute !important;
            top: -10px !important;
            left: 15px !important;
            font-size: 12px !important;
            color: #26a69a !important;
            background-color: #ffffff !important;
            padding: 0 5px !important;
            font-family: 'Bricolage Grotesque', sans-serif !important;
            pointer-events: none !important;
            transition: all 0.3s ease !important;
        }

        .standalone-select-wrapper[data-tooltip]:hover:after {
            content: attr(data-tooltip);
            position: absolute;
            top: -40px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.8);
            color: #fff;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 14px;
            font-family: 'Bricolage Grotesque', sans-serif;
            white-space: nowrap;
            z-index: 1000;
        }

        .row .col.s6 {
            padding-left: 0 !important;
            margin-left: 0 !important;
        }

        .input-field, .standalone-select-wrapper .select-container {
            display: flex;
            align-items: center;
            justify-content: flex-start;
        }

        .input-field input, .standalone-select-wrapper .select-container select {
            margin: 0 !important;
            padding-left: 15px !important;
        }

        .glow {
            animation: glow 4s ease-in-out infinite;
        }

        .waves-effect.waves-light.btn.teal {
            width: auto;
            min-width: 0;
            padding: 0 8px;
            box-sizing: border-box;
            display: inline-flex;
            align-items: center;
        }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-5px); }
            50% { transform: translateX(5px); }
            75% { transform: translateX(-5px); }
        }

        .toast.shake {
            animation: shake 0.5s ease-in-out 3;
        }

        @keyframes glow {
            0% { box-shadow: 0 0 5px 5px #26a69a; }
            50% { box-shadow: 0 0 20px 10px #26a69a; }
            100% { box-shadow: 0 0 5px 5px #26a69a; }
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
            40% { transform: translateY(-10px); }
            60% { transform: translateY(-5px); }
        }

        .bounce {
            animation: bounce 1s infinite;
        }

        @media only screen and (max-width: 600px) {
            .control-buttons .btn {
                font-size: 0.8rem;
            }
        }

        @media only screen and (max-width: 900px) {
            .custom-container {
                max-width: 100%;
                padding: 10px;
            }

            .custom-container.expanded {
                max-width: 100%;
            }

            .custom-container .row .input-field {
                margin-left: 0 !important;
                padding-left: 0 !important;
                text-align: left !important;
                display: block !important;
                width: 100% !important;
            }

            .custom-container .row .input-field input {
                text-align: left !important;
                margin-left: 0 !important;
                width: 100% !important;
            }

            #personelCollapsible .row .input-field.col.s8 {
                margin-left: 0 !important;
                padding-left: 0 !important;
                text-align: left !important;
                display: block !important;
                width: 100% !important;
            }

            #personelCollapsible .row .input-field.col.s8 input {
                text-align: left !important;
                margin-left: 0 !important;
                width: 100% !important;
            }

            .row {
                display: flex;
                flex-direction: column;
                align-items: stretch;
            }

            .row .col {
                width: 100%;
                margin-bottom: 10px;
            }

            .control-buttons .col.s12 {
                display: flex;
                flex-direction: column;
                align-items: center;
            }

            .control-buttons .btn {
                width: 100%;
                margin-bottom: 10px;
                margin-right: 0 !important;
            }

            #calendarContainer .row {
                display: flex;
                flex-direction: column;
                align-items: center;
            }

            #calendarContainer .col {
                width: 100%;
                margin-bottom: 10px;
            }

            #calendarContainer .col.s3,
            #calendarContainer .col.s2 {
                width: 100%;
                display: flex;
                justify-content: center;
            }

            #calendarContainer .switch-container {
                width: 100%;
                justify-content: center;
            }

            #calendarContainer .btn {
                width: auto;
                min-width: 100px;
                padding: 0 15px;
                white-space: nowrap;
                margin-bottom: 10px;
            }

            .switch-container {
                padding: 5px 8px;
                width: 100%;
                box-sizing: border-box;
            }

            .balance-label span {
                font-size: 0.75rem;
                padding-left: 18px;
            }

            .balance-checkbox + span:not(.lever)::before {
                width: 12px;
                height: 12px;
            }

            .balance-checkbox:checked + span:not(.lever)::before {
                width: 6px;
                height: 14px;
                margin-top: -3px;
                margin-left: 2px;
            }

            #calendarAlert {
                max-width: 280px;
            }

            #calendarAlert .card-content span {
                font-size: 0.9rem !important;
                line-height: 1.3;
            }

            #calendarAlert .btn-floating {
                width: 36px !important;
                height: 36px !important;
                line-height: 36px !important;
            }

            #calendarAlert .material-icons {
                font-size: 24px !important;
                line-height: 36px !important;
            }

            .grouping-container {
                margin-left: 0;
                width: 100%;
                justify-content: flex-start;
                padding-left: 10px;
            }

            .standalone-select-wrapper {
                text-align: left !important;
                margin-left: 0 !important;
                padding-left: 10px !important;
            }

            .standalone-select-wrapper .select-container select {
                font-size: 14px !important;
                height: 36px !important;
            }
        }