/* ==========================================================================
   COMPONENTES DE INTERFAZ Y FORMULARIOS
   ========================================================================== */

/* Grid de Calculadora (Formulario + Resultados) */
.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 992px) {
    .calc-grid {
        grid-template-columns: 1fr;
    }
}

/* Tarjeta Glassmorphism */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--border-highlight);
}

.card-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

/* Campos de Formulario */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 1.1rem;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1rem 0.85rem 2.4rem;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 600;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: var(--glow-blue);
}

select.form-control {
    padding-left: 1rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%252394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2rem;
}

/* Radio Buttons y Toggles Estilizados */
.radio-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 0.5rem;
}

.radio-card {
    position: relative;
}

.radio-card input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-card label {
    display: block;
    padding: 0.65rem 0.8rem;
    text-align: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.radio-card input:checked + label {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* Tarjeta Destacada de Resultado Netos */
.result-hero-card {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(59, 130, 246, 0.12) 100%);
    border: 1.5px solid var(--accent-green);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
    box-shadow: var(--glow-green);
}

.hero-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    font-weight: 700;
}

.hero-value {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--accent-green);
    margin: 0.3rem 0;
}

.hero-subtext {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Tabla de Desglose Fiscal */
.breakdown-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.25rem 0;
    font-size: 0.9rem;
}

.breakdown-table th, .breakdown-table td {
    padding: 0.75rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.breakdown-table th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
}

.breakdown-table td {
    color: var(--text-primary);
}

.breakdown-table td.amount {
    text-align: right;
    font-weight: 700;
    font-family: var(--font-heading);
}

.breakdown-table tr.highlight-row {
    background: rgba(255, 255, 255, 0.03);
    font-weight: 700;
}

.breakdown-table tr.highlight-row td {
    color: var(--accent-blue);
}

/* Botones de Acción y Exportación */
.btn-action-group {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn {
    flex: 1;
    padding: 0.8rem 1.2rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), #1d4ed8);
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-blue);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
}

/* Modales */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 580px;
    width: 100%;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--border-color);
}

.close-modal-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

/* SEO FAQ Accordion Styles */
.faq-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--accent-blue);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.1rem 1.25rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1.02rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.faq-question i {
    color: var(--accent-blue);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0, 1, 0, 1), padding 0.35s ease;
    padding: 0 1.25rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.25rem 1.25rem 1.25rem;
    transition: max-height 0.35s ease-in, padding 0.35s ease;
}