/**
 * Estilos específicos para el Simulador IVA + IRPF Trimestral — iDiUtils.com
 * /assets/css/simulador-iva-irpf-trimestral.css
 */

@media (min-width: 960px) {
    .hero-section {
        min-height: 270px;
        box-sizing: border-box;
    }
}

.sim-tabs-nav {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.sim-tab-btn {
    padding: 0.75rem 1.25rem;
    border: none;
    background: none;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.sim-tab-btn:hover {
    color: var(--color-primary);
}

.sim-tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.sim-tab-pane {
    display: none;
}

.sim-tab-pane.active {
    display: block;
    animation: fadeInTab 0.25s ease-out;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.sim-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 2rem;
    align-items: start;
}

@media(max-width: 960px) {
    .sim-grid {
        grid-template-columns: 1fr;
    }
}

.sim-card {
    background: var(--color-card-dark, #ffffff);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md, 16px);
    padding: 2rem;
    box-shadow: var(--shadow-premium, 0 10px 30px -10px rgba(11, 24, 44, 0.08));
}

/* Inputs homogéneos y canónicos iDiUtils */
.sim-card .form-input,
.sim-card .form-control {
    padding: 0.85rem 1.15rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm, 8px);
    background-color: var(--color-bg-light);
    color: var(--color-text-primary);
    transition: var(--transition-fast, 0.2s ease);
    outline: none;
    width: 100%;
    box-sizing: border-box;
}

.sim-card .form-input:focus,
.sim-card .form-control:focus {
    border-color: var(--color-border-focus, #7E1AF2);
    box-shadow: 0 0 0 3px var(--color-cyan-glow, rgba(102, 0, 211, 0.08));
    background-color: var(--color-bg-dark);
}

.sim-card .form-label {
    display: block;
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.4rem;
}

.sim-badge-exempt {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #065f46;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 0.85rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 1rem;
}

.sim-result-box {
    border-radius: 14px;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg-light, rgba(59, 130, 246, 0.03));
}

.sim-result-box.ingresar {
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.04);
}

.sim-result-box.compensar {
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.04);
}

.sim-result-val {
    font-size: 1.9rem;
    font-weight: 900;
    margin: 0.25rem 0;
    color: var(--color-text-primary);
}

.sim-result-val.red { color: #dc2626; }
.sim-result-val.green { color: #16a34a; }
.sim-result-val.primary { color: var(--color-primary, #3b82f6); }

.sim-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-top: 0.75rem;
}

.sim-table td {
    padding: 0.6rem 0.2rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

.sim-table td.val {
    text-align: right;
    font-weight: 700;
}

.sim-table tr:last-child td {
    border-bottom: none;
}