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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%) !important;
    color: white !important;
    padding: 30px !important;
    text-align: center !important;
    position: relative !important;
}

.print-btn {
    position: absolute !important;
    top: 20px !important;
    right: 20px !important;
    background: rgba(255, 255, 255, 0.2) !important;
    border: 2px solid rgba(255, 255, 255, 0.3) !important;
    color: white !important;
    padding: 10px 20px !important;
    border-radius: 25px !important;
    cursor: pointer !important;
    font-size: 14px !important;
    transition: all 0.3s ease !important;
}

.print-btn:hover {
    background: rgba(255, 255, 255, 0.3) !important;
    transform: translateY(-2px) !important;
}

.header h1 {
    font-size: 2.5em !important;
    margin-bottom: 10px !important;
    font-weight: 300 !important;
    color: white !important;
}

.header p {
    font-size: 1.1em !important;
    opacity: 0.9 !important;
}

.content {
    padding: 40px !important;
}

.section {
    margin-bottom: 40px !important;
    background: #F8F9FA !important;
    border-radius: 10px !important;
    padding: 30px !important;
    border-left: 5px solid #667EEA !important;
}

.section h2 {
    color: #333 !important;
    margin-bottom: 25px !important;
    font-size: 1.5em !important;
    font-weight: 500 !important;
}

.form-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)) !important;
    gap: 20px !important;
}

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

.form-group label {
    display: block !important;
    margin-bottom: 8px !important;
    color: #555 !important;
    font-weight: 500 !important;
    font-size: 14px !important;
}

.form-group input,
.form-group select {
    width: 100% !important;
    padding: 5px 14px !important;
    border: 2px solid #E1E5E9 !important;
    border-radius: 8px !important;
    font-size: 14px !important;
    transition: all 0.3s ease !important;
    background: white !important;
}

.form-group input:focus,
.form-group select:focus {
    outline: none !important;
    border-color: #667EEA !important;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1) !important;
}

.button-group {
    display: flex !important;
    gap: 15px !important;
    margin-bottom: 30px !important;
    flex-wrap: wrap !important;
}

.btn {
    padding: 9px 25px !important;
    border: none !important;
    border-radius: 8px !important;
    cursor: pointer !important;
    font-size: 14px !important;
    font-weight: 400 !important;
    transition: all 0.3s ease !important;
    flex: 1 !important;
    min-width: 150px !important;
}

.btn-primary {
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%) !important;
    color: white !important;
}

.btn-secondary {
    background: #6C757D !important;
    color: white !important;
}

.btn-success {
    background: #28A745 !important;
    color: white !important;
}

.btn-danger {
    background: #DC3545 !important;
    color: white !important;
}

.btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2) !important;
}

.btn.active {
    background: #667EEA !important;
    color: white !important;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4) !important;
}

.results {
    background: #E8F5E8 !important;
    border: 2px solid #28A745 !important;
    border-radius: 10px !important;
    padding: 25px !important;
    margin-top: 30px !important;
}

.results h3 {
    color: #155724 !important;
    margin-bottom: 20px !important;
    font-size: 1.3em !important;
}

.result-item {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 10px 0 !important;
    border-bottom: 1px solid #C3E6CB !important;
}

.result-item:last-child {
    border-bottom: none !important;
}

.result-label {
    font-weight: 500 !important;
    color: #155724 !important;
}

.result-value {
    font-weight: 600 !important;
    color: #0F5132 !important;
    font-size: 1.1em !important;
}

.info-icon {
    display: inline-block !important;
    width: 16px !important;
    height: 16px !important;
    background: #17A2B8 !important;
    color: white !important;
    border-radius: 50% !important;
    text-align: center !important;
    line-height: 16px !important;
    font-size: 12px !important;
    margin-left: 5px !important;
    cursor: help !important;
    font-weight: 700 !important;
}

.material-type {
    background: #E3F2FD !important;
    border: 1px solid #BBDEFB !important;
    border-radius: 5px !important;
    padding: 8px 12px !important;
    margin-top: 10px !important;
    font-size: 13px !important;
    color: #1565C0 !important;
    font-style: italic !important;
}

.formula-display {
    background: #F8F9FA !important;
    border: 1px solid #DEE2E6 !important;
    border-radius: 5px !important;
    padding: 10px !important;
    margin-top: 10px !important;
    font-family: 'Courier New', monospace !important;
    font-size: 12px !important;
    color: #495057 !important;
}

.batch-results {
    overflow-x: auto !important;
    margin-top: 20px !important;
}

.batch-table {
    width: 100% !important;
    border-collapse: collapse !important;
    background: white !important;
    border-radius: 8px !important;
    overflow: hidden !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1) !important;
}

.batch-table th,
.batch-table td {
    padding: 4px 15px !important;
    text-align: left !important;
    border-bottom: 1px solid #DEE2E6 !important;
}

.batch-table th {
    background: #F8F9FA !important;
    font-weight: 600 !important;
    color: #495057 !important;
    font-size: 13px !important;
}

.batch-table td {
    font-size: 14px !important;
}

.batch-table tr:hover {
    background: #F8F9FA !important;
}

.error {
    background: #F8D7DA !important;
    border: 1px solid #F5C6CB !important;
    color: #721C24 !important;
    padding: 15px !important;
    border-radius: 8px !important;
    margin-top: 20px !important;
}

.warning {
    background: #FFF3CD !important;
    border: 1px solid #FFEAA7 !important;
    color: #856404 !important;
    padding: 15px !important;
    border-radius: 8px !important;
    margin-top: 20px !important;
}

@media (max-width: 768px) {
    .container {
        margin: 10px !important;
        border-radius: 10px !important;
    }
    .content {
        padding: 20px !important;
    }
    .header {
        padding: 20px !important;
    }
    .header h1 {
        font-size: 2em !important;
    }
    .form-grid {
        grid-template-columns: 1fr !important;
    }
    .button-group {
        flex-direction: column !important;
    }
    .btn {
        min-width: auto !important;
    }
    .print-btn {
        position: static !important;
        margin-top: 15px !important;
        display: block !important;
        width: fit-content !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }
}

.input-group {
    position: relative !important;
}

.input-group input {
    padding-right: 50px !important;
}

.input-unit {
    position: absolute !important;
    right: 15px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    color: #6C757D !important;
    font-size: 13px !important;
    pointer-events: none !important;
}

.disabled {
    opacity: 0.6 !important;
    pointer-events: none !important;
    background-color: #F8F9FA !important;
}

.error-message {
    color: #DC3545 !important;
    font-size: 12px !important;
    margin-top: 5px !important;
    padding: 5px 10px !important;
    background-color: #F8D7DA !important;
    border: 1px solid #F5C6CB !important;
    border-radius: 4px !important;
    display: none;
}


/* Size-Based Tolerance Styling */

.size-based-tolerance {
    margin-top: 15px !important;
    padding: 15px !important;
    border: 1px solid #DEE2E6 !important;
    border-radius: 8px !important;
    background-color: #F8F9FA !important;
}

.range-group {
    margin-bottom: 15px !important;
    padding: 10px !important;
    border: 1px solid #E9ECEF !important;
    border-radius: 6px !important;
    background-color: white !important;
}

.range-group label {
    font-weight: bold !important;
    color: #495057 !important;
    margin-bottom: 8px !important;
    display: block !important;
}

.range-inputs {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    flex-wrap: nowrap !important;
}

.range-inputs span {
    font-size: 14px !important;
    color: #6C757D !important;
}

.range-inputs select {
    min-width: 120px !important;
    padding: 2px 8px !important;
    border-radius: 4px !important;
    border-top-left-radius: 4px !important;
    border-top-right-radius: 4px !important;
    border-bottom-right-radius: 4px !important;
    border-bottom-left-radius: 4px !important;
    width: 141px !important;
    font-size: 13px !important;
    height: 29px !important;
    font-weight: 400 !important;
    color: black !important;
    background-image: url() !important;
}

.range-inputs input[type="number"] {
    padding: 2px 8px !important;
    border-radius: 4px !important;
    height: 27px !important;
    font-size: 14px !important;
    color: black !important;
}

.batch-results select {
    background-size: 8px auto, 100% !important;
    height: 19px !important;
    background-position: right 10px top 50%, 0 0 !important;
    font-size: 12px !important;
    color: black !important;
    padding: 0px 5px !important;
    background-image: url() !important;
}

select,
textarea,
input:is([type=url],
[type=tel],
[type=text],
[type=time],
[type=date],
[type=datetime],
[type=datetime-local],
[type=email],
[type=number],
[type=search],
[type=password]),
fieldset .wc-stripe-elements-field,
.ff-inherit-theme-style .ff-el-form-control:not([size]):not([multiple]) {
    color: black !important;
    appearance: auto !important;
}

#errorDiv {
    display: block !important;
}

.show-error {
    display: block !important;
}