#md-trigger-calculator {
    font-family: 'Raleway', sans-serif;
    font-weight: 700;
    font-size: 0.8em;
    text-transform: uppercase;
    background-color: #00223F;
    color: #ffffff;
    border: none;
    border-radius: 50px;
    padding: 0.5vw 1.3vw;
    width: 45%;
    min-width: 250px;
    cursor: pointer;
    display: block !important;
    margin-bottom: 20px;
    transition: background-color 0.2s ease-in-out;
}

#md-trigger-calculator:hover {
    background-color: #001527;
}

#md-calc-modal {
    display: none;
    position: fixed;
    z-index: 99999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    font-family: 'Raleway', sans-serif;
}

#md-calc-modal .md-modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 650px;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

#md-calc-close {
    position: absolute;
    right: 20px;
    top: 20px;
    cursor: pointer;
    color: #7A7A7A;
    transition: color 0.2s;
}

#md-calc-close:hover {
    color: #00223F;
}

#md-calc-modal h3 {
    color: #00223F;
    margin-top: 0;
    margin-bottom: 20px;
    border-bottom: 2px solid #00223F;
    padding-bottom: 10px;
    font-weight: 700;
}

#md-calc-modal h4 {
    margin: 0 0 10px 0;
    color: #00223F;
    font-weight: 600;
}

.md-wall-row {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    background: #F1F3F5;
    padding: 10px;
    border-radius: 6px;
    align-items: flex-end;
}

.md-wall-row label {
    font-size: 12px;
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
}

.md-wall-row input, 
.md-opening-row input {
    width: 100%;
    padding: 6px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: 'Raleway', sans-serif;
}

.md-opening-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    align-items: flex-end;
}

#md-add-wall {
    background: none;
    border: 1px dashed #00223F;
    color: #00223F;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    margin-bottom: 20px;
    font-family: 'Raleway', sans-serif;
}

#md-add-opening {
    background: #ffffff;
    border: 1px solid #c7c7c7;
    color: #333;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    font-family: 'Raleway', sans-serif;
}

.md-remove-row {
    background: #C32E00;
    color: white;
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.md-opening-row .md-remove-row {
    background: #7A7A7A;
    padding: 5px 8px;
}

#md-btn-execute-calc {
    background-color: #C32E00;
    color: white;
    border: none;
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 4px;
    margin-top: 25px;
    cursor: pointer;
    font-family: 'Raleway', sans-serif;
    text-transform: uppercase;
}

#md-calc-results {
    display: none;
    margin-top: 25px;
    padding: 20px;
    border-top: 2px dashed #00223F;
    background: #FFFDFB;
}

#md-calc-results p {
    margin: 8px 0;
}

#md-btn-apply-to-cart {
    background-color: #00223F;
    color: white;
    border: none;
    width: 100%;
    padding: 12px;
    font-weight: bold;
    border-radius: 4px;
    margin-top: 15px;
    cursor: pointer;
    font-family: 'Raleway', sans-serif;
}

#md-global-loader {
    display: none;
    position: fixed;
    z-index: 999999;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 34, 63, 0.8);
    backdrop-filter: blur(3px);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    color: #ffffff;
    font-family: 'Raleway', sans-serif;
}

.md-global-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: mdGlobalSpinner 1s linear infinite;
    margin-bottom: 15px;
}

@keyframes mdGlobalSpinner {
    to {
        transform: rotate(360deg);
    }
}