:root {
            --primary-color: #2c5aa0;
            --secondary-color: #87ceeb;
            --accent-color: #4a90e2;
            --success-color: #28a745;
            --warning-color: #d97757;
            --danger-color: #dc3545;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
            --shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .app-container {
            background: url('../images/tlo.png') no-repeat center center / cover;
            backdrop-filter: blur(5px);
            background-color: rgba(255, 255, 255, 0.85);
            border-radius: 25px;
            box-shadow: var(--shadow);
            padding: 30px;
            max-width: 400px;
            width: 100%;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .app-container::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(135,206,235,0.1) 0%, rgba(44,90,160,0.05) 100%);
            z-index: -1;
            transform: translate(-50%, -50%);
        }

        .app-header {
            margin-bottom: 20px;
            position: relative;
        }

        .app-title {
            color: var(--primary-color);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .water-icon {
            color: var(--accent-color);
            font-size: 2rem;
        }

        .discrete-datetime {
            font-size: 0.9rem;
            color: #6c757d;
            margin-bottom: 25px;
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: block;
        }

        .app-nav {
            margin-bottom: 30px;
            background: var(--light-bg);
            padding: 10px 15px;
            border-radius: 15px;
            box-shadow: inset 0 1px 5px rgba(0,0,0,0.05);
        }

        .app-nav ul {
            list-style: none;
            display: flex;
            justify-content: space-around;
        }

        .app-nav ul li a {
            text-decoration: none;
            color: var(--primary-color);
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .app-nav ul li a:hover,
        .app-nav ul li a.active {
            background: var(--primary-color);
            color: white;
            box-shadow: 0 4px 10px rgba(44,90,160,0.2);
        }

        .icon-button { /* General style for icon buttons */
            position: absolute;
            background: none;
            border: none;
            color: var(--primary-color);
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.3s ease, transform 0.3s ease;
            padding: 5px;
            line-height: 1;
            z-index: 10;
        }

        .settings-icon-button {
            top: 55px; /* Adjusted: Moved up slightly */
            right: 15px;
        }

        .info-icon-button { /* This will now primarily style the "Informacje o aplikacji" button */
            top: 55px; /* Aligned with settings button */
            right: 55px; /* Positioned to the left of settings button */
        }

        .share-icon-button { /* New style for the "Udostępnij" button */
            top: 55px; /* Aligned with other icons */
            right: 95px; /* Adjust this value to move it further left, e.g., 55px + 40px */
        }

        .icon-button:hover {
            color: var(--accent-color);
            transform: rotate(30deg);
        }
        .info-icon-button:hover, .share-icon-button:hover { /* Apply specific hover for both info and share */
            transform: scale(1.1); /* Override rotation for info and share icons */
        }
        .icon-button:active {
            transform: rotate(60deg) scale(0.95);
        }
        .info-icon-button:active, .share-icon-button:active { /* Override rotation for info and share icons */
            transform: scale(0.95);
        }


        .app-section {
            display: none;
            animation: fadeIn 0.5s ease-in;
        }

        .app-section.active {
            display: block;
        }

        .welcome-message {
            font-size: 1.1rem;
            color: var(--dark-text);
            margin-bottom: 20px;
            font-weight: 600;
        }

        .home-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            margin-top: 20px;
            margin-bottom: 0;
        }

        .card {
            background: linear-gradient(135deg, var(--light-bg), #e9ecef);
            border-radius: 20px;
            padding: 15px;
            padding-bottom: 45px;
            box-shadow: inset 0 2px 8px rgba(0,0,0,0.1);
            text-align: center;
            position: relative;
        }

        .combined-card-content {
            display: flex;
            justify-content: space-around;
            align-items: center;
            gap: 5px;
        }

        .combined-card-item {
            flex: 1;
            min-width: 0;
            padding: 5px;
        }

        .card-title {
            font-size: 0.9rem;
            color: var(--dark-text);
            margin-bottom: 5px;
            font-weight: 500;
        }

        .card-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-color);
        }

        .card-unit {
            font-size: 0.75rem;
            color: #6c757d;
        }

        .combined-card-item .card-value {
            font-size: 1.4rem;
        }
        .combined-card-item .card-title {
            font-size: 0.75rem;
        }
        .combined-card-item .card-unit {
            font-size: 0.65rem;
        }

        /* Style dla dziennego limitu */
        .daily-limit-info {
            position: absolute;
            bottom: 10px;
            right: 10px;
            font-size: 0.7rem;
            color: var(--warning-color);
            font-weight: 600;
            text-align: right;
            line-height: 1.2;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .daily-limit-info.visible {
            opacity: 1;
        }

        /* Styling for daily limit exceeded */
        .daily-limit-info .exceeded {
            color: var(--danger-color);
        }
        .daily-limit-info .overflow {
            color: var(--success-color);
        }

        .reset-daily-button {
            position: absolute;
            bottom: 10px;
            left: 10px;
            background: none;
            border: 1px solid #ced4da;
            color: #6c757d;
            font-size: 0.8rem;
            padding: 3px 8px;
            border-radius: 8px;
            cursor: pointer;
            width: auto;
            white-space: nowrap;
            transition: all 0.2s ease;
        }
        .reset-daily-button:hover {
            background-color: #e2e6ea;
            color: var(--danger-color);
            border-color: var(--danger-color);
        }
        .reset-daily-button:active {
            transform: translateY(1px);
        }


        .main-button {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            border: none;
            background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
            color: white;
            font-size: 1.2rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 20px rgba(74,144,226,0.3);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            margin: 20px auto 0 auto;
        }

        .main-button span {
            font-size: 0.9rem;
            margin-top: 5px;
            display: block;
        }

        .main-button::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255,255,255,0.2);
            transform: translate(-50%, -50%);
            transition: all 0.3s ease;
        }

        .main-button:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(74,144,226,0.4);
        }

        .main-button:hover::before {
            width: 100%;
            height: 100%;
        }

        .main-button:active {
            transform: translateY(-2px);
        }

        .reset-full-button, .save-settings-button {
            background: linear-gradient(135deg, var(--danger-color), #c82333);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 25px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(220,53,69,0.3);
            margin-top: 20px;
            width: 100%;
        }

        .save-settings-button {
            background: linear-gradient(135deg, var(--success-color), #218838);
            box-shadow: 0 4px 15px rgba(40,167,69,0.3);
            margin-bottom: 20px;
        }

        .reset-full-button:hover, .save-settings-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(220,53,69,0.4);
        }

        .settings-form {
            text-align: left;
            margin-top: 20px;
        }

        .settings-form label {
            display: block;
            margin-bottom: 5px;
            color: var(--dark-text);
            font-weight: 600;
        }

        .settings-form input[type="number"],
        .settings-form input[type="text"] {
            width: 100%;
            padding: 10px;
            margin-bottom: 15px;
            border: 1px solid #ced4da;
            border-radius: 10px;
            font-size: 1rem;
            box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
        }

        .settings-form input[type="number"]:focus,
        .settings-form input[type="text"]:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.2rem rgba(44,90,160,0.25);
        }

        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .modal-overlay.show {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background: white;
            border-radius: 20px;
            padding: 30px;
            max-width: 350px;
            width: 90%;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            transform: scale(0.7);
            transition: all 0.3s ease;
        }

        .modal-overlay.show .modal-content {
            transform: scale(1);
        }

        .modal-icon {
            font-size: 3rem;
            margin-bottom: 20px;
        }

        .modal-icon.confirm {
            color: var(--accent-color);
        }

        .modal-icon.warning {
            color: var(--warning-color);
        }
        .modal-icon.info {
            color: var(--primary-color);
        }
        .modal-icon.success {
            color: var(--success-color);
        }

        .modal-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--dark-text);
        }

        .modal-text {
            color: #6c757d;
            margin-bottom: 25px;
            line-height: 1.5;
        }

        .modal-buttons {
            display: flex;
            gap: 15px;
            justify-content: center;
        }

        .modal-btn {
            padding: 12px 25px;
            border: none;
            border-radius: 25px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            min-width: 100px;
        }

        .modal-btn.confirm {
            background: linear-gradient(135deg, var(--success-color), #218838);
            color: white;
            box-shadow: 0 4px 15px rgba(40,167,69,0.3);
        }

        .modal-btn.confirm:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(40,167,69,0.4);
        }

        .modal-btn.cancel {
            background: #6c757d;
            color: white;
            box-shadow: 0 4px 15px rgba(108,117,125,0.3);
        }

        .modal-btn.cancel:hover {
            background: #5a6268;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(108,117,125,0.4);
        }

        .modal-btn.ok {
            background: var(--primary-color);
            color: white;
            box-shadow: 0 4px 15px rgba(44,90,160,0.3);
        }
        .modal-btn.ok:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(44,90,160,0.4);
        }

        .ripple {
            position: relative;
            overflow: hidden;
        }

        .ripple::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255,255,255,0.5);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }

        .ripple:active::after {
            width: 300px;
            height: 300px;
        }

        @media (max-width: 480px) {
    .app-header {
        position: relative;
        padding-bottom: 40px;
        padding-top: 20px; /* Dodano padding u góry */
    }
    
    .app-title {
        font-size: 1.4rem;
        margin-bottom: 15px; /* Zwiększono margines */
    }
    
    .icon-button {
        font-size: 1.5rem;
        top: 70px; /* Zmieniono pozycję - niżej */
    }
    
    .settings-icon-button {
        top: 70px; /* Zmieniono pozycję - niżej */
        right: 10px;
    }
    
    .info-icon-button {
        top: 70px; /* Zmieniono pozycję - niżej */
        right: 50px;
    }
    
    .share-icon-button {
        top: 70px; /* Zmieniono pozycję - niżej */
        right: 90px;
    }
    
    .discrete-datetime {
        position: absolute;
        bottom: 10px; /* Zmieniono pozycję - wyżej */
        left: 0;
        right: 0;
        margin-top: 5px;
        font-size: 0.8rem;
    }
    
    .app-nav ul {
        flex-wrap: wrap; /* Zawijanie elementów menu */
    }
    
    .app-nav ul li {
        flex: 1 0 33%; /* 3 elementy w rzędzie */
        text-align: center;
        margin-bottom: 5px;
    }
    
    .app-nav ul li a {
        padding: 6px 5px; /* Mniejszy padding */
        font-size: 0.8rem; /* Mniejsza czcionka */
    }
    
    .card-value {
        font-size: 1.6rem; /* Mniejsze wartości w kartach */
    }
}

            .main-button {
                width: 120px;
                height: 120px;
            }
            .main-button span {
                font-size: 0.75rem;
            }
            .discrete-datetime {
                font-size: 0.8rem;
            }
            .welcome-message {
                font-size: 1rem;
            }
        }

        .fade-in {
            animation: fadeIn 0.5s ease-in;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .pulse {
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        /* Styles for the Accordion */
        .accordion {
            --bs-accordion-color: var(--dark-text);
            --bs-accordion-bg: var(--light-bg);
            --bs-accordion-transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, border-radius 0.15s ease;
            --bs-accordion-border-color: #dee2e6;
            --bs-accordion-border-width: 1px;
            --bs-accordion-border-radius: 0.75rem;
            --bs-accordion-inner-border-radius: 0.65rem;
            --bs-accordion-btn-padding-x: 1.25rem;
            --bs-accordion-btn-padding-y: 1rem;
            --bs-accordion-btn-color: var(--primary-color);
            --bs-accordion-btn-bg: var(--light-bg);
            --bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232c5aa0'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3csvg%3e");
            --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            --bs-accordion-active-bg: var(--primary-color);
            --bs-accordion-active-color: white;
            --bs-accordion-body-padding-x: 1.25rem;
            --bs-accordion-body-padding-y: 1rem;
            --bs-accordion-flush-border-radius: 0;
            --bs-accordion-btn-focus-box-shadow: 0 0 0 0.25rem rgba(44,90,160,0.25);
        }

        .accordion-item {
            border: var(--bs-accordion-border-width) solid var(--bs-accordion-border-color);
            margin-bottom: 10px;
            border-radius: var(--bs-accordion-border-radius);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }

        .accordion-button {
            border-radius: var(--bs-accordion-btn-border-radius);
            font-weight: 600;
        }

        .accordion-button:not(.collapsed) {
            color: var(--bs-accordion-active-color);
            background-color: var(--bs-accordion-active-bg);
            box-shadow: inset 0 -1px 0 rgba(0,0,0,.125);
            border-bottom-left-radius: 0;
            border-bottom-right-radius: 0;
        }

        .accordion-body {
            color: var(--dark-text);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Style for Statistics section content */
        .statistics-content, .about-content { /* Added .about-content */
            background-color: white;
            padding: 20px;
            border-radius: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            margin-top: 20px;
            text-align: left;
        }

        /* New styles for statistics page */
        .statistics-header {
            text-align: center;
            margin-bottom: 25px;
            color: var(--primary-color);
        }

        .current-stats-card {
            background: linear-gradient(135deg, var(--light-bg), #e9ecef);
            border-radius: 20px;
            padding: 20px;
            box-shadow: inset 0 2px 8px rgba(0,0,0,0.1);
            margin-bottom: 25px;
            text-align: left;
        }

        .current-stats-card p {
            margin-bottom: 8px;
            font-size: 1rem;
            color: var(--dark-text);
        }

        .current-stats-card p strong {
            color: var(--primary-color);
        }

        .reward-section {
            background: linear-gradient(135deg, #e6ffe6, #d4ffd4); /* Light green for success */
            border-radius: 20px;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(40,167,69,0.2);
            margin-bottom: 25px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            color: var(--success-color);
            border: 1px solid var(--success-color);
        }

        .reward-section.not-achieved {
            background: linear-gradient(135deg, #fff3e6, #ffe0b3); /* Light orange for not achieved */
            box-shadow: 0 5px 15px rgba(217,119,87,0.2);
            color: var(--warning-color);
            border: 1px solid var(--warning-color);
        }

        .reward-icon {
            font-size: 3rem;
            margin-bottom: 15px;
        }

        .reward-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .reward-message {
            font-size: 1rem;
            line-height: 1.5;
            color: var(--dark-text);
        }

        .reward-section.not-achieved .reward-message {
             color: var(--dark-text);
        }


        .history-section {
            margin-top: 25px;
        }

        .history-section h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
            text-align: center;
        }

        .daily-history-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 15px;
            background-color: var(--light-bg);
            border-radius: 10px;
            margin-bottom: 8px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            font-size: 0.95rem;
        }

        .daily-history-item .date {
            font-weight: 600;
            color: var(--dark-text);
        }

        .daily-history-item .status {
            font-weight: 600;
        }

        .daily-history-item .status.achieved {
            color: var(--success-color);
        }

        .daily-history-item .status.not-achieved {
            color: var(--warning-color);
        }

        .reset-history-button {
            background: linear-gradient(135deg, var(--danger-color), #c82333);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 25px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(220,53,69,0.3);
            margin-top: 20px;
            width: 100%;
        }

        .reset-history-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(220,53,69,0.4);
        }
        /* Style for About section content */
        .about-content ul {
            list-style: none;
            padding-left: 0;
        }

        .about-content ul li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 25px;
            color: var(--dark-text);
        }

        .about-content ul li::before {
            content: '\f058'; /* Font Awesome check-circle icon */
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--success-color);
            position: absolute;
            left: 0;
            top: 0;
        }
        .about-content h3 {
            color: var(--primary-color);
            margin-top: 20px;
            margin-bottom: 10px;
        }
        .about-content ol {
            padding-left: 20px;
        }
        .about-content ol li {
            margin-bottom: 10px;
            color: var(--dark-text);
        }
		
		@media (max-width: 480px) {
    .app-container {
        padding: 20px;
        margin: 10px;
    }

    .app-title {
        font-size: 1.5rem;
    }

    .card-value {
        font-size: 1.8rem;
    }

    .main-button {
        width: 120px;
        height: 120px;
    }
    .main-button span {
        font-size: 0.75rem;
    }
    .discrete-datetime {
        font-size: 0.8rem;
    }
    .welcome-message {
        font-size: 1rem;
    }

    /* Dodaj poniższe reguły dla nawigacji */
    .app-nav {
        padding: 8px 10px; /* Zmniejsz padding w nawigacji */
    }

    .app-nav ul {
        flex-wrap: wrap; /* Pozwól elementom zawijać się do następnej linii */
        justify-content: center; /* Wyśrodkuj elementy */
    }

    .app-nav ul li a {
        font-size: 0.85rem; /* Zmniejsz rozmiar czcionki linków */
        padding: 6px 10px; /* Zmniejsz padding linków */
        margin: 3px; /* Dodaj niewielki margines między elementami */
    }
}