:root {
    --base-font-size: 16px;
    --primary-color: #3498db;
    --secondary-color: #2980b9;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --border-color: #bdc3c7;
    --success-color: #27ae60;
    --warning-color: #e67e22;
    --danger-color: #e74c3c;
}

.invoice-generator-container * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    font-size: var(--base-font-size);
}

.invoice-generator-container {
    background-color: #f5f5f5;
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.invoice-generator-container .controls {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.invoice-generator-container .controls button, .invoice-generator-container .controls select {
    padding: 8px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.invoice-generator-container .controls button {
    background-color: var(--primary-color);
    color: white;
    transition: background-color 0.3s;
}

.invoice-generator-container .controls button:hover {
    background-color: var(--secondary-color);
}

.invoice-generator-container #clearBtn {
    background-color: var(--warning-color);
}

.invoice-generator-container #clearBtn:hover {
    background-color: #d35400;
}

.invoice-generator-container .font-controls button {
    padding: 8px 12px;
    background-color: var(--dark-color);
}

.invoice-generator-container select {
    background-color: white;
    border: 1px solid var(--border-color);
    min-width: 120px;
}

.invoice-generator-container .invoice {
    background-color: white;
    padding: 30px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    width: 100%;
    min-height: auto;
    position: relative;
    margin: 0 auto;
    max-width: 800px;
}

.invoice-generator-container .invoice-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .invoice-generator-container .invoice-header {
        grid-template-columns: 1fr;
    }
}

.invoice-generator-container .logo-container {
    display: flex;
    flex-direction: column;
}

.invoice-generator-container .logo-placeholder {
    width: 150px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    cursor: pointer;
    color: #7f8c8d;
    overflow: hidden;
}

.invoice-generator-container #logoUpload {
    display: none;
}

.invoice-generator-container .company-info, .invoice-generator-container .client-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.invoice-generator-container .editable-label {
    font-weight: bold;
    padding: 2px 5px;
    border-radius: 3px;
    min-height: 1em;
    min-width: 20px;
}

.invoice-generator-container .editable-label:focus {
    outline: 1px dashed var(--primary-color);
    background-color: rgba(52, 152, 219, 0.1);
}

.invoice-generator-container .company-info input, .invoice-generator-container .company-info textarea,
.invoice-generator-container .client-info input, .invoice-generator-container .client-info textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.invoice-generator-container .company-info textarea, .invoice-generator-container .client-info textarea {
    min-height: 80px;
    resize: vertical;
}

.invoice-generator-container .invoice-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.invoice-generator-container .invoice-info h1 {
    color: var(--dark-color);
    margin-bottom: 20px;
    font-size: 2.5em;
    text-align: center;
    padding: 5px;
}

.invoice-generator-container .invoice-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}

.invoice-generator-container .detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.invoice-generator-container .detail-row input {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    width: 150px;
}

.invoice-generator-container .client-info {
    display: flex;
    flex-direction: column;
}

.invoice-generator-container .invoice-items {
    margin-bottom: 30px;
}

.invoice-generator-container .invoice-items table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 15px;
    table-layout: fixed;
}

.invoice-generator-container .invoice-items th {
    background-color: var(--dark-color);
    color: white;
    padding: 12px;
    text-align: left;
}

.invoice-generator-container .invoice-items td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
}

.invoice-generator-container .invoice-items input, .invoice-generator-container .invoice-items textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.invoice-generator-container .description-col {
    width: 50%;
}

.invoice-generator-container .quantity-col, .invoice-generator-container .price-col {
    width: 15%;
}

.invoice-generator-container .total-col {
    width: 15%;
}

.invoice-generator-container .action-col {
    width: 5%;
}

.invoice-generator-container .invoice-items textarea {
    resize: none;
    min-height: 60px;
    overflow-y: hidden;
}

.invoice-generator-container .invoice-items .item-total {
    font-weight: bold;
}

.invoice-generator-container #addItemBtn {
    background-color: var(--success-color);
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.invoice-generator-container #addItemBtn:hover {
    background-color: #2ecc71;
}

.invoice-generator-container .remove-item {
    background-color: var(--danger-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 5px 10px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.invoice-generator-container .remove-item:hover {
    background-color: #c0392b;
}

.invoice-generator-container .invoice-totals {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.invoice-generator-container .totals-left {
    flex: 1;
    min-width: 250px;
}

.invoice-generator-container .totals-left textarea {
    width: 100%;
    min-height: 150px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    resize: vertical;
}

.invoice-generator-container .totals-right {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
}

.invoice-generator-container .total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
}

.invoice-generator-container .total-row input {
    width: 80px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: right;
}

.invoice-generator-container .total-row span {
    font-weight: bold;
    min-width: 100px;
    text-align: right;
}

.invoice-generator-container .grand-total {
    background-color: var(--light-color);
    border-radius: 4px;
    font-size: calc(var(--base-font-size) + 2px);
    margin-top: 20px;
    margin-bottom: 20px;
}

/* Auto-resize textareas */
.invoice-generator-container textarea {
    resize: none;
    overflow-y: hidden;
    min-height: 60px;
}

.invoice-generator-container textarea:focus {
    outline: none;
}

/* Print styles */
@media print {
    .invoice-generator-container .no-print, .invoice-generator-container .controls {
        display: none !important;
    }
    
    .invoice-generator-container {
        background-color: white;
        padding: 0;
    }
    
    .invoice-generator-container .invoice {
        box-shadow: none;
        padding: 20mm;
        margin: 0;
        width: 210mm !important;
        min-height: 297mm !important;
    }
    
    .invoice-generator-container .editable-label {
        outline: none !important;
        background-color: transparent !important;
    }
    
    /* Styles for the description divs that replace textareas in PDF */
    .invoice-generator-container .invoice-items div[style*="white-space: pre-wrap"] {
        white-space: pre-wrap !important;
        word-wrap: break-word !important;
        font-size: inherit !important;
        line-height: 1.4 !important;
        padding: 0 !important;
        margin: 0 !important;
    }
}

.invoice-generator-container button {
    cursor: pointer;
    border: none;
    padding: 8px 12px;
}

.invoice-generator-container #increaseFont, .invoice-generator-container #decreaseFont {
    background-color: var(--dark-color);
    color: white;
}

.invoice-generator-container #saveBtn {
    background-color: var(--primary-color);
    color: white;
}

/* Add this at the end of your CSS */
.invoice-generator-container #logoPlaceholder {
    transition: all 0.3s ease;
    min-width: 50px;
    min-height: 50px;
    max-width: 200px;
    max-height: 100px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.invoice-generator-container #logoPlaceholder img {
    max-width: 200px;
    max-height: 100px;
    display: block;
}