/* ============================================
   Calculateur de rentabilité
   ============================================ */

.calculator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

.calculator-form .card {
    padding: var(--space-xl);
}

.calculator-form .form-group {
    margin-bottom: var(--space-md);
}

.calculator-result {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
}

.calculator-result .card {
    padding: var(--space-xl);
    text-align: center;
}

.calc-profit-display {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 3rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.03em;
    line-height: 1;
    margin: var(--space-lg) 0;
    transition: color var(--transition-smooth);
}

.calc-profit-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: 600;
}

.calc-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-default);
}

.calc-stat {
    text-align: center;
}

.calc-stat-value {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    font-variant-numeric: tabular-nums;
}

.calc-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Jauge de marge */
.calc-gauge {
    margin: var(--space-lg) auto;
    max-width: 300px;
}

.calc-gauge-bar {
    height: 8px;
    background: var(--bg-input);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.calc-gauge-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-smooth), background var(--transition-smooth);
    min-width: 0;
}

.calc-gauge-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Slider */
.calc-slider {
    margin-top: var(--space-md);
}

.calc-slider input[type="range"] {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--bg-input);
    border-radius: var(--radius-full);
    outline: none;
}

.calc-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
    transition: box-shadow var(--transition-fast);
}

.calc-slider input[type="range"]::-webkit-slider-thumb:hover {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.calc-slider-value {
    text-align: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    margin-top: var(--space-sm);
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .calculator-layout {
        grid-template-columns: 1fr;
    }
    .calculator-result {
        position: static;
    }
}