.raschet-vesa-container {
    max-width: 1200px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.calculator-block {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    margin-bottom: 30px;
    overflow: hidden;
}

.block-title {
    background: #000000;
    color: white;
    padding: 16px 20px;
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.calculator-content {
    padding: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.calculator-content .input-group {
    background: white;
    padding: 20px;
    border-radius: 6px;
    border: 1px solid #e9ecef;
}

.calculator-block.rod-calculator .calculator-content,
.calculator-block.quartz-plate-calculator .calculator-content,
.calculator-block.quartz-disk-calculator .calculator-content {
    grid-template-columns: 1fr;
}

.calculator-block.rod-calculator .calculator-content .input-group,
.calculator-block.quartz-plate-calculator .calculator-content .input-group,
.calculator-block.quartz-disk-calculator .calculator-content .input-group {
    max-width: 400px;
}

.section-title {
    color: #003366;
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 18px 0;
    padding: 0;
}

.form-field {
    margin-bottom: 18px;
}

.form-field:last-of-type {
    margin-bottom: 20px;
}

.form-field label {
    display: block;
    margin-bottom: 8px;
    color: #495057;
    font-size: 14px;
    font-weight: 500;
}

.form-field input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.form-field input:focus {
    outline: none;
    border-color: #003366;
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
}

.button-group {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-calculate {
    background: #003366;
    color: white;
}

.btn-calculate:hover {
    background: #002244;
    box-shadow: 0 2px 8px rgba(0, 51, 102, 0.2);
}

.btn-calculate:active {
    transform: scale(0.98);
}

.btn-clear {
    background: #e9ecef;
    color: #495057;
}

.btn-clear:hover {
    background: #dee2e6;
}

.btn-clear:active {
    transform: scale(0.98);
}

.result-line {
    background: white;
    padding: 20px 24px;
    border-top: 2px solid #003366;
    display: flex;
    align-items: center;
    gap: 16px;
}

.result-label {
    margin: 0;
    color: #003366;
    font-size: 14px;
    font-weight: 600;
    flex-shrink: 0;
}

.result-value {
    background: #f0f5f9;
    border: 1px solid #d0dce6;
    padding: 12px 18px;
    border-radius: 6px;
    min-width: 120px;
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    color: #003366;
    font-family: 'Courier New', monospace;
}

.result-unit {
    color: #6c757d;
    font-size: 14px;
    font-weight: 500;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .calculator-content {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }

    .result-line {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .result-value {
        width: 100%;
    }
}