:root {
    --primary-color: #f7931a; /* /  */
    --secondary-color: #36454F; /* Dark Grey / Charcoal */
    --background-color: #f4f7f6;
    --card-background: #ffffff;
    --text-color: #333;
    --border-color: #ccc;
    --shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    --success-color: #28a745; /* Green for profit */
    --error-color: #dc3545; /* Red for loss */
    --info-color: #17a2b8; /* Blue for net costs/revenues */
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.calculator-container {
    background-color: rgb(242, 255, 254);
    border-radius: 12px;
    padding: 30px;
    width: 100%;
    max-width: 600px; /* Slightly narrower for a single calculator */
    box-shadow: var(--shadow);
}

h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 2em;
}

h2 {
    font-size: 1.5em;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--text-color);
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

h3 {
    font-size: 1.2em;
    color: var(--secondary-color);
    margin-bottom: 10px;
    margin-top: 20px;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 5px;
}

.currency-selector {
    margin-bottom: 25px;
    text-align: center;
}

#fiat-currency-select {
    padding: 10px 15px;
    font-size: 1em;
    border-radius: 0px;
    border: 1px solid var(--border-color);
    background-color: var(--card-background);
    cursor: pointer;
    width: 100%; /* Full width on smaller screens */
    max-width: 400px; /* Max width on larger screens */
}

.input-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-row {
    display: flex;
    flex-direction: column;
    gap: 5px;border-bottom:1px solid rgb(12, 148, 12);
}

.input-row label {
    font-weight: bold;
    color: var(--secondary-color);
}

input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button {
	opacity: 1;
}

select:focus {
	border-color: brown;
	outline: none;
}

input:focus {
	outline: none !important;
	border-color: blue;
}


.input-group {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 0px;
    background-color: var(--card-background);
    overflow: hidden;
}

.prefix-symbol, .currency-symbol, .suffix-symbol {
    padding: 10px;
    background-color: #e9ecef;
    border-right: 1px solid var(--border-color);
    color: #666;
    font-size: 1em;
    display: flex; /* Ensures symbol is centered vertically */
    align-items: center;
    justify-content: center;
}

.suffix-symbol {
    border-left: 1px solid var(--border-color);
    border-right: none;
}

input[type="text"],
input[type="number"] {
    flex-grow: 1; /* Allows input to fill available space */
    padding: 10px;
    border: none;
    font-size: 1em;
    outline: none;
    text-align: center;
    background-color: transparent; /* Ensure background matches parent */
}

input[type="number"]:focus {
    padding:10px; border-left:1px solid blue;
    border-radius: 0px; /* Apply focus shadow without cutting corners */
    position: relative; /* To make shadow visible */
    z-index: 1; /* Bring focused input above border */
    background-color:rgb(244, 252, 244);
}

.commission-section {
    background-color: #fff6f6;
    border: 1px dashed var(--border-color);
    border-radius: 0px;
    padding: 15px;
    margin-top: 10px;
}

.commission-input {
    margin-bottom: 10px;border-bottom:1px solid red;
}

/* Results Section */
.results-container {
    margin-top: 20px;
}

.result-box {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.result-item {
    background-color: rgb(213, 250, 255); /* Light blue background */
    padding: 5px;
    border-radius: 0px;
    flex: 1 1 calc(50% - 15px); /* Two columns on larger screens, adjusts for gap */
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.05); /* Subtle inner shadow */
}

.result-item span:first-child {
    font-weight: normal;
    color: #666;
    margin-bottom: 5px;
    font-size: 0.9em;
}

.result-value {
    font-size: 1.4em;
    font-weight: bold;
    color: var(--primary-color); /* Default result color */
}

.result-item.important {
    background-color: #e2f0fb; /* Slightly different background for important results */
    border: 1px solid var(--info-color);
}

.result-item.important .result-value {
    color: var(--info-color); /* Blue for important results */
}

.result-item.profit-loss {
    flex-basis: 100%; /* Full width for profit/loss */
    background-color: #ddffdd; /* Light green for profit/loss */
    border: 1px solid var(--success-color);
}

.result-item.profit-loss .result-value {
    font-size: 1.8em;
}

.result-item.profit-loss.loss .result-value {
    color: var(--error-color); /* Red for loss */
}

.result-item.profit-loss.profit .result-value {
    color: var(--success-color); /* Green for profit */
}

.disclaimer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.9em;
    color: #666;
}

.disclaimer h2 {
    font-size: 1.2em;
    margin-top: 0;
    margin-bottom: 10px;
    padding-top: 0;
    border-top: none;
    color: var(--secondary-color);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
}

.action-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 0px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.action-btn:hover {
    background-color: rgb(199, 64, 14);
   
}

.action-btn.clear-btn {
    background-color: var(--secondary-color);
}

.action-btn.clear-btn:hover {
    background-color: rgb(34, 68, 141);
}


/* Mobile Responsiveness */
@media (max-width: 600px) {
    .calculator-container {
        padding: 20px;
    }

    h1 {
        font-size: 1.5em;
    }

    #fiat-currency-select {
        max-width: 100%;
    }

    .result-item {
        flex-basis: 100%; /* Stack all results vertically on mobile */
    }

    .commission-section {
        padding: 10px;
    }

    .prefix-symbol, .currency-symbol, .suffix-symbol,
    input[type="text"], input[type="number"] {
        font-size: 0.9em; /* Smaller font on mobile */
    }

    .action-buttons {
        flex-direction: column;
    }
}