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

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f5f5f5;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

h1 {
    width: 100%;
    margin-bottom: 20px;
    color: #333;
}

.form-section {
    flex: 1;
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h2 {
    margin-bottom: 20px;
    color: #333;
    border-bottom: 2px solid #333;
    padding-bottom: 10px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.form-group input:focus {
    outline: none;
    border-color: #333;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 30px;
    align-items: center;
}

.timer-display {
    font-size: 13px;
    color: #666;
    font-style: italic;
    min-width: 140px;
}


.time-estimate {
    font-size: 12px;
    color: #888;
    margin-top: 6px;
}

button {
    padding: 12px 24px;
    background-color: #333;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #555;
}

button:active {
    background-color: #222;
}


/* Label Container - Exact 6×4 inch dimensions */
/* PDF: 152.4mm × 101.6mm = 576px × 384px at 96 DPI */
/* PDF border: rect(2, 2, 148.4, 97.6) - 2mm margin from page edges, 0.5mm line width */
.label-container {
    width: 576px; /* 152.4mm = 6 inches at 96 DPI */
    height: 384px; /* 101.6mm = 4 inches at 96 DPI */
    background: white;
    position: relative;
    padding: 0;
    display: block; /* Changed from flex to block for absolute positioning */
    box-sizing: border-box;
    page-break-after: always;
    overflow: hidden;
}

/* Border matching PDF: 2mm (7.56px) from edges, 0.5mm (1.89px) line width */
.label-container::before {
    content: '';
    position: absolute;
    top: 7.56px; /* 2mm from top */
    left: 7.56px; /* 2mm from left */
    width: 560.88px; /* 148.4mm = 560.88px (152.4mm - 4mm) */
    height: 368.88px; /* 97.6mm = 368.88px (101.6mm - 4mm) */
    border: 1.89px solid #000; /* 0.5mm = 1.89px line width */
    box-sizing: border-box;
    pointer-events: none;
    z-index: 1;
}

/* Label content wrapper - Using absolute positioning to match PDF exactly */
/* Content area: 148.4mm × 97.6mm = 560.88px × 368.88px at 96 DPI */
/* Position: 2mm (7.56px) from container edges, matching PDF border position */
.label-content {
    position: absolute;
    top: 7.56px; /* 2mm = 7.56px from container top (matches PDF border Y position) */
    left: 7.56px; /* 2mm = 7.56px from container left (matches PDF border X position) */
    width: 560.88px; /* 148.4mm = 560.88px at 96 DPI (content area width) */
    height: 368.88px; /* 97.6mm = 368.88px at 96 DPI (content area height) */
    box-sizing: border-box;
    z-index: 0;
}

/* Center-aligned fields container */
/* PDF calculation: yPosition starts at 10mm from page top, after 2 lines (8mm each) = 26mm, then +8mm spacing = 34mm */
/* In content area (which starts at 2mm): 34mm - 2mm = 32mm = 120.94px */
.label-center-fields {
    position: absolute;
    top: 120.94px; /* 32mm = 120.94px (34mm - 2mm from content area start) */
    left: 0;
    width: 560.88px; /* Full content width */
    text-align: center;
    box-sizing: border-box;
}

/* Text fields container - Two column layout using absolute positioning */
/* PDF: yPosition = 10mm from page top (0,0), content area starts at 2mm, so 10mm - 2mm = 8mm = 30.24px */
.label-text-fields {
    position: absolute;
    top: 30.24px; /* 8mm = 30.24px (10mm - 2mm from content area start) */
    left: 0;
    width: 560.88px; /* Full content width */
    height: auto;
    display: block;
    box-sizing: border-box;
}

/* Left column - First 2 fields */
/* PDF: leftColumnX = 10mm from page left (0,0), content area starts at 2mm, so 10mm - 2mm = 8mm = 30.24px */
.label-left-column {
    position: absolute;
    left: 30.24px; /* 8mm = 30.24px (10mm - 2mm from content area start) */
    top: 0;
    display: block;
}

/* Right column - Next 2 fields */
/* PDF: rightColumnX = 152.4 - 10 = 142.4mm from page left, content area starts at 2mm */
/* So: 142.4mm - 2mm = 140.4mm from content left, or right: 10mm - 2mm = 8mm = 30.24px */
.label-right-column {
    position: absolute;
    right: 30.24px; /* 8mm = 30.24px from right (10mm - 2mm from content area start) */
    top: 0;
    display: block;
    text-align: right;
}

/* Free Text Field A - Uniform 16pt font - Left aligned */
.label-free-text {
    font-family: Helvetica, Arial, sans-serif;
    font-size: 16pt;
    font-weight: bold;
    color: #000;
    text-align: left;
    margin: 0;
    margin-bottom: 30.24px; /* 8mm = 30.24px (matches PDF lineSpacing = 8mm) */
    line-height: 1.2;
    white-space: nowrap;
}

/* SIZE Field B - Uniform 16pt font - Left aligned */
.label-size {
    font-family: Helvetica, Arial, sans-serif;
    font-size: 16pt;
    font-weight: bold;
    color: #000;
    text-align: left;
    margin: 0;
    margin-bottom: 0;
    line-height: 1.2;
    white-space: nowrap;
}

/* CARTON QUANTITY Field C - Uniform 16pt font */
.label-carton-quantity {
    font-family: Helvetica, Arial, sans-serif;
    font-size: 16pt;
    font-weight: bold;
    color: #000;
    text-align: center;
    margin: 0;
    margin-bottom: 30.24px; /* 8mm = 30.24px (matches PDF lineSpacing = 8mm) */
    line-height: 1.2;
    white-space: nowrap;
}

/* Barcode Container - Positioned to match PDF exactly */
/* PDF: After 3 center fields, barcode Y is calculated dynamically, but typically around 58mm from page top */
/* In content area: 58mm - 2mm = 56mm = 211.65px (approximate, actual position is calculated dynamically) */
.barcode-container {
    position: absolute;
    top: 211.65px; /* ~56mm = 211.65px (58mm - 2mm from content area start, approximate) */
    left: 50%;
    transform: translateX(-50%);
    width: 377.95px; /* 100mm at 96 DPI (87mm symbol + 13mm quiet zones) */
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    box-sizing: border-box;
}

/* Barcode SVG - 87mm × 32mm symbol area for high readability and international compliance */
.barcode-svg {
    width: 377.95px; /* 100mm at 96 DPI (87mm symbol + 13mm quiet zones) */
    height: 120.94px; /* 32mm at 96 DPI (barcode symbol height for high readability) */
    margin: 0;
    flex-shrink: 0;
}

/* Barcode HRI - 20pt, Bold, Center aligned */
.barcode-hri {
    font-family: Calibri, Arial, Helvetica, sans-serif;
    font-size: 20pt; /* Updated to 20pt */
    font-weight: bold;
    color: #000;
    text-align: center;
    margin-top: 6px; /* Gap from barcode */
    margin-bottom: 0;
    line-height: 1.3;
    flex-shrink: 0;
    height: auto;
    width: 100%;
}

/* NET WEIGHT Field E - Uniform 16pt font - Right aligned */
.label-net-weight {
    font-family: Helvetica, Arial, sans-serif;
    font-size: 16pt;
    font-weight: bold;
    color: #000;
    text-align: right;
    margin: 0;
    margin-bottom: 30.24px; /* 8mm = 30.24px (matches PDF lineSpacing = 8mm) */
    line-height: 1.2;
    white-space: nowrap;
}

/* GROSS WEIGHT Field F - Uniform 16pt font - Right aligned */
.label-gross-weight {
    font-family: Helvetica, Arial, sans-serif;
    font-size: 16pt;
    font-weight: bold;
    color: #000;
    text-align: right;
    margin: 0;
    margin-bottom: 0;
    line-height: 1.2;
    white-space: nowrap;
}

/* ITEM DESCRIPTION Field G - Uniform 16pt font - Center aligned */
.label-item-description {
    font-family: Helvetica, Arial, sans-serif;
    font-size: 16pt;
    font-weight: bold;
    color: #000;
    text-align: center;
    margin: 0;
    margin-bottom: 30.24px; /* 8mm = 30.24px (matches PDF lineSpacing = 8mm) */
    line-height: 1.2;
    white-space: nowrap;
}

/* COUNTRY OF ORIGIN Field H - Uniform 16pt font - Center aligned */
.label-country-of-origin {
    font-family: Helvetica, Arial, sans-serif;
    font-size: 16pt;
    font-weight: bold;
    color: #000;
    text-align: center;
    margin: 0;
    margin-bottom: 0;
    line-height: 1.2;
    white-space: nowrap;
}