/* MB Mining Calculator */
.mbc-calculator {
    --mbc-primary: #f57c00;
    --mbc-positive: #2e7d32;
    --mbc-warning: #e65100;
    --mbc-negative: #c62828;
    --mbc-bg: #ffffff;
    --mbc-bg-results: #f9f9f9;
    --mbc-border: #e0e0e0;
    --mbc-text: #212121;
    --mbc-text-muted: #757575;

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--mbc-text);
    background: var(--mbc-bg);
    border: 1px solid var(--mbc-border);
    border-radius: 8px;
    margin: 1.5em 0;
    overflow: hidden;
}

.mbc-title {
    margin: 0;
    padding: 16px 20px;
    font-size: 18px;
    font-weight: 600;
    border-bottom: 1px solid var(--mbc-border);
    background: var(--mbc-bg);
}

/* Two-column grid */
.mbc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

@media (max-width: 768px) {
    .mbc-grid {
        grid-template-columns: 1fr;
    }
}

/* Inputs column */
.mbc-inputs {
    padding: 20px;
}

.mbc-field-row {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
}

.mbc-field {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.mbc-field-grow {
    flex: 2;
}

.mbc-field label {
    font-size: 12px;
    font-weight: 500;
    color: var(--mbc-text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.mbc-field input,
.mbc-field select {
    padding: 8px 10px;
    border: 1px solid var(--mbc-border);
    border-radius: 4px;
    font-size: 14px;
    color: var(--mbc-text);
    background: #fff;
    width: 100%;
    box-sizing: border-box;
}

.mbc-field input:focus,
.mbc-field select:focus {
    outline: none;
    border-color: var(--mbc-primary);
    box-shadow: 0 0 0 2px rgba(245, 124, 0, 0.15);
}

.mbc-readonly {
    background: #f5f5f5 !important;
    color: var(--mbc-text-muted) !important;
    cursor: default;
}

.mbc-coin-price {
    font-size: 14px;
    font-weight: 600;
    padding: 8px 0;
    display: block;
}

/* Calculate button */
.mbc-btn {
    display: block;
    width: 100%;
    padding: 12px;
    margin-top: 6px;
    background: var(--mbc-primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.mbc-btn:hover {
    background: #e56a00;
}

.mbc-btn:disabled {
    background: #bdbdbd;
    cursor: wait;
}

.mbc-disclaimer {
    font-size: 11px;
    color: var(--mbc-text-muted);
    margin: 10px 0 0;
    line-height: 1.4;
}

/* Results column */
.mbc-results {
    padding: 20px;
    background: var(--mbc-bg-results);
    border-left: 1px solid var(--mbc-border);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media (max-width: 768px) {
    .mbc-results {
        border-left: none;
        border-top: 1px solid var(--mbc-border);
    }
}

.mbc-result-hero {
    text-align: center;
    margin-bottom: 16px;
}

.mbc-result-label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--mbc-text-muted);
    margin-bottom: 4px;
    letter-spacing: 0.3px;
}

.mbc-result-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
}

.mbc-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    font-size: 14px;
}

.mbc-result-row span:first-child {
    color: var(--mbc-text-muted);
}

.mbc-result-row span:last-child {
    font-weight: 600;
}

.mbc-result-roi {
    margin-bottom: 4px;
}

.mbc-divider {
    border: none;
    border-top: 1px solid var(--mbc-border);
    margin: 8px 0;
}

.mbc-result-empty {
    text-align: center;
    color: var(--mbc-text-muted);
    padding: 40px 20px;
}

.mbc-error {
    color: var(--mbc-negative);
}

.mbc-machines-note {
    font-size: 12px;
    font-style: italic;
    margin-top: 4px;
}

/* Color classes */
.mbc-positive { color: var(--mbc-positive); }
.mbc-warning  { color: var(--mbc-warning); }
.mbc-negative { color: var(--mbc-negative); }

/* ---- Listing table (shortcode) ---- */
.mbc-listing-wrap {
    overflow-x: auto;
    margin: 1.5em 0;
}

.mbc-listing {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.mbc-listing th {
    background: var(--mbc-bg-results, #f9f9f9);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: var(--mbc-text-muted, #757575);
    padding: 10px 12px;
    text-align: left;
    border-bottom: 2px solid var(--mbc-border, #e0e0e0);
    white-space: nowrap;
}

.mbc-listing td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--mbc-border, #e0e0e0);
    vertical-align: middle;
}

.mbc-listing tr:hover td {
    background: rgba(0, 0, 0, 0.02);
}

.mbc-listing a {
    color: var(--mbc-primary, #f57c00);
    text-decoration: none;
    font-weight: 500;
}

.mbc-listing a:hover {
    text-decoration: underline;
}

.mbc-listing .mbc-num {
    text-align: right;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}