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

body {
    font-family: Arial, sans-serif;
    margin: 10px;
    padding: 0;
    background-color: #f9f9f9;
    display: flex;
    flex-direction: column;
    align-items: center;
}

body.dark-mode {
    background-color: #121212;
    color: #e0e0e0;
}

body.dark-mode table,
body.dark-mode input,
body.dark-mode textarea,
body.dark-mode select,
body.dark-mode button {
    background-color: #1e1e1e;
    color: #e0e0e0;
    border: 1px solid #333333;
}

body.dark-mode th {
    background-color: #2c2c2c;
    color: #ffffff;
}

body.dark-mode .add-row-btn,
body.dark-mode .pdf-btn,
body.dark-mode .export-btn,
body.dark-mode .noleggio-button {
    background-color: #555555;
    color: #ffffff;
}

body.dark-mode .add-row-btn:hover,
body.dark-mode .pdf-btn:hover,
body.dark-mode .export-btn:hover {
    background-color: #777777;
}

h1, h2, h3 {
    text-align: center;
    font-size: 1.5em;
    margin: 10px 0;
}

.table-container {
    margin-bottom: 20px;
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 10px;
    min-width: 600px;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
    min-width: 100px;
}

th {
    background-color: #f2f2f2;
    font-size: 0.9em;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.installazione-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.installazione-cost {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.product-search-container, .client-search-container, .date-filter-section {
    margin-bottom: 20px;
    width: 100%;
}

.add-row-btn, .pdf-btn, .noleggio-button, .add-client-btn, .submit-client-btn, .apply-global-discount-btn, .save-btn, .load-btn, .export-btn, .print-btn {
    background-color: #4CAF50;
    color: white;
    padding: 12px 20px;
    margin: 10px 5px 10px 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    width: 100%;
    max-width: 250px;
    text-align: center;
}

.add-row-btn:hover, .pdf-btn:hover, .noleggio-button:hover, .add-client-btn:hover, .submit-client-btn:hover, .apply-global-discount-btn:hover, .save-btn:hover, .load-btn:hover, .export-btn:hover {
    background-color: #45a049;
}

.print-btn {
    background-color: #007bff;
    width: auto;
}

.print-btn:hover {
    background-color: #0069d9;
}

.image-preview {
    max-width: 100px;
    max-height: 100px;
    margin-top: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.modal {
    display: none; 
    position: fixed; 
    z-index: 1000; 
    padding-top: 60px; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.4); 
}

.modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 20px;
    border: 1px solid #888;
    width: 90%;
    max-width: 500px;
    border-radius: 8px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
}

@media screen and (max-width: 1024px) {
    .table-container {
        min-width: 500px;
    }
}

@media screen and (max-width: 768px) {
    h1, h2, h3 {
        font-size: 1.2em;
    }

    .add-row-btn, .pdf-btn, .noleggio-button, .add-client-btn, .submit-client-btn, .apply-global-discount-btn, .save-btn, .load-btn, .export-btn, .print-btn {
        padding: 10px 16px;
        font-size: 0.9em;
    }

    .installazione-cost {
        flex-direction: column;
        align-items: flex-start;
    }

    .global-discount-section, .date-filter-section {
        flex-direction: column;
        align-items: flex-start;
    }

    .global-discount-section input, .date-filter-section input {
        width: 100%;
        margin-bottom: 10px;
    }

    .image-preview {
        max-width: 80px;
        max-height: 80px;
    }

    .modal-content {
        width: 95%;
    }
}

@media screen and (max-width: 480px) {
    table {
        min-width: 500px;
    }

    th, td {
        padding: 6px;
        font-size: 0.8em;
    }

    .add-row-btn, .pdf-btn, .noleggio-button, .add-client-btn, .submit-client-btn, .apply-global-discount-btn, .save-btn, .load-btn, .export-btn, .print-btn {
        padding: 8px 12px;
        font-size: 0.8em;
    }

    .image-preview {
        max-width: 60px;
        max-height: 60px;
    }

    .checkbox-group label {
        font-size: 0.9em;
    }

    .table-container {
        overflow-x: scroll;
    }
}

@media print {
    body * {
        visibility: hidden;
    }

    #printableTable, #printableTable * {
        visibility: visible;
    }

    #printableTable {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
    }

    .no-print {
        display: none;
    }
}

.totals-section {
    margin-top: 20px;
    width: 100%;
    max-width: 600px;
}

.totals-section p {
    font-size: 1.1em;
    margin: 5px 0;
}

.hidden {
    display: none;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    width: 100%;
}

.note-section {
    margin-top: 20px;
    width: 100%;
}

.note-section textarea {
    width: 100%;
    height: 100px;
    padding: 10px;
    resize: vertical;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1em;
}

.results p {
    font-size: 1em;
    margin: 5px 0;
}

.global-discount-section, .date-filter-section {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    width: 100%;
}

.global-discount-section input, .date-filter-section input {
    width: 150px;
    padding: 8px;
    font-size: 1em;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.save-btn, .load-btn, .export-btn {
    background-color: #007bff;
    width: auto;
}

.save-btn:hover, .load-btn:hover, .export-btn:hover {
    background-color: #0069d9;
}

#savedVisitsTable {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    min-width: 700px;
}

#savedVisitsTable th, #savedVisitsTable td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
    font-size: 0.9em;
}

#savedVisitsTable th {
    background-color: #f2f2f2;
}

#notifyBtn {
    background-color: #ff9800;
    color: white;
    padding: 12px 20px;
    margin: 10px 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    width: 100%;
    max-width: 250px;
    text-align: center;
}

#notifyBtn:hover {
    background-color: #e68900;
}