/* Margin Calculator Styles */
.margin-calculator-wrapper {
    max-width: 960px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: inherit;
}

.margin-calculator-container {
    background: #1a2332;
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    font-family: inherit;
}

.margin-calc-header {
    background: linear-gradient(135deg, #1a2332 0%, #243447 100%);
    padding: 50px 50px 40px;
    border-bottom: none;
}

.margin-calc-title {
    color: #4da6ff;
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 12px 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    letter-spacing: 1px;
    text-shadow: 0 2px 10px rgba(77, 166, 255, 0.3);
}

.margin-calc-subtitle {
    color: #e8edf2;
    font-size: 17px;
    margin: 0;
    font-weight: 400;
    letter-spacing: 0.3px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.margin-calc-form {
    padding: 50px;
    background: #1a2332;
}

.margin-calc-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.margin-calc-field {
    display: flex;
    flex-direction: column;
}

.margin-calc-field-full {
    grid-column: 1 / -1;
    max-width: calc(50% - 12.5px);
}

.margin-calc-field label {
    color: #e8edf2;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;
    margin-bottom: 10px;
    text-transform: uppercase;
    font-family: inherit;
}

.margin-calc-field input,
.margin-calc-field select {
    background: #ffffff !important;
    background-color: #ffffff !important;
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 15px 18px;
    font-size: 16px;
    color: #1a2332 !important;
    transition: all 0.3s ease;
    outline: none;
    font-weight: 500;
    font-family: inherit;
}

.margin-calc-field input:focus,
.margin-calc-field select:focus {
    background: #ffffff !important;
    background-color: #ffffff !important;
    border-color: #4da6ff;
    box-shadow: 0 0 0 4px rgba(77, 166, 255, 0.15);
    color: #1a2332 !important;
}

.margin-calc-field input:hover,
.margin-calc-field select:hover {
    background: #ffffff !important;
    background-color: #ffffff !important;
    border-color: #e0e6eb;
}

.margin-calc-field input:active,
.margin-calc-field select:active {
    background: #ffffff !important;
    background-color: #ffffff !important;
    color: #1a2332 !important;
}

.margin-calc-field select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231a2332' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 14px;
    padding-right: 45px;
}

.margin-calc-button-wrapper {
    margin-top: 35px;
}

.margin-calc-button {
    width: 100%;
    background: #ff5722;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 18px 32px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    box-shadow: 0 4px 14px rgba(255, 87, 34, 0.4);
    font-family: inherit;
}

.margin-calc-button:hover {
    background: #f4511e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 87, 34, 0.5);
}

.margin-calc-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(255, 87, 34, 0.4);
}

.margin-calc-button:disabled {
    background: #4a5568;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.6;
}

.margin-calc-results {
    background: linear-gradient(135deg, #15d6a5 0%, #0fb88a 100%);
    padding: 35px 50px;
    margin: 0 50px 50px 50px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(21, 214, 165, 0.3);
    font-family: inherit;
}

.margin-calc-results h3 {
    color: #ffffff;
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 25px 0;
    letter-spacing: 0.5px;
    font-family: inherit;
}

.margin-calc-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    font-family: inherit;
}

.margin-calc-result-item:last-child {
    border-bottom: none;
}

.result-label {
    color: rgba(255, 255, 255, 0.95);
    font-size: 15px;
    font-weight: 500;
    font-family: inherit;
}

.result-value {
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    font-family: inherit;
}

.margin-calc-error {
    background: linear-gradient(135deg, #ff5252 0%, #f44336 100%);
    color: #ffffff;
    padding: 20px 50px;
    margin: 0 50px 50px 50px;
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 20px rgba(255, 82, 82, 0.3);
    font-weight: 500;
    font-family: inherit;
}

/* Responsive Design */
@media (max-width: 768px) {
    .margin-calc-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .margin-calc-field-full {
        max-width: 100%;
    }
    
    .margin-calc-header {
        padding: 35px 25px 30px;
    }
    
    .margin-calc-form {
        padding: 35px 25px;
    }
    
    .margin-calc-title {
        font-size: 28px;
    }
    
    .margin-calc-subtitle {
        font-size: 15px;
    }
    
    .margin-calc-results {
        margin: 0 25px 35px 25px;
        padding: 25px;
    }
    
    .margin-calc-error {
        margin: 0 25px 35px 25px;
        padding: 18px 25px;
    }
}

/* Loading State */
.margin-calc-button.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.margin-calc-button.loading::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    top: 50%;
    left: 50%;
    margin-left: -11px;
    margin-top: -11px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spinner 0.7s linear infinite;
}

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

/* Smooth transitions */
.margin-calc-results,
.margin-calc-error {
    animation: slideIn 0.4s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Number input styling */
.margin-calc-field input[type="number"] {
    background: #ffffff !important;
    background-color: #ffffff !important;
    -webkit-appearance: none;
    -moz-appearance: textfield;
}

.margin-calc-field input[type="number"]:focus {
    background: #ffffff !important;
    background-color: #ffffff !important;
}

.margin-calc-field input[type="number"]:active {
    background: #ffffff !important;
    background-color: #ffffff !important;
}

.margin-calc-field input[type="number"]::-webkit-inner-spin-button,
.margin-calc-field input[type="number"]::-webkit-outer-spin-button {
    opacity: 1;
    height: 40px;
}

/* Prevent autofill styling */
.margin-calc-field input:-webkit-autofill,
.margin-calc-field input:-webkit-autofill:hover,
.margin-calc-field input:-webkit-autofill:focus,
.margin-calc-field input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 1000px #ffffff inset !important;
    -webkit-text-fill-color: #1a2332 !important;
    background-color: #ffffff !important;
    background: #ffffff !important;
}

/* Focus visible for accessibility */
.margin-calc-button:focus-visible {
    outline: 3px solid #4da6ff;
    outline-offset: 3px;
}

.margin-calc-field input:focus-visible,
.margin-calc-field select:focus-visible {
    outline: none;
}