/* Calculadora SWP (Plan de Retiro Sistemático) - Estilos */

.swp-calculator-container {
    max-width: 1000px;
    margin: 30px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.calculator-description {
    background: linear-gradient(135deg, #1a365d 0%, #2d4a7c 100%);
    color: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 25px;
    text-align: center;
}

.calculator-description p {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.6;
}

.calculator-description p:first-child {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.swp-calculator-container h3 {
    color: #1a365d;
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 600;
}

.swp-calculator-container h4 {
    color: #1a365d;
    margin: 20px 0 15px;
    font-size: 1.25rem;
    font-weight: 600;
}

/* Selector de modo */
.mode-selector {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.mode-btn {
    padding: 12px 24px;
    background: #e9ecef;
    color: #495057;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.mode-btn:hover {
    background: #dee2e6;
    border-color: #1a365d;
}

.mode-btn.active {
    background: linear-gradient(135deg, #1a365d 0%, #2d4a7c 100%);
    color: white;
    border-color: #1a365d;
}

/* Modos de calculadora */
.calculator-mode {
    display: none;
}

.calculator-mode.active {
    display: block;
    animation: fadeIn 0.4s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Formulario */
#swpForm {
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: #2c3e50;
    font-size: 0.95rem;
}

.form-group input[type="number"],
.form-group select {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #fafafa;
}

.form-group input[type="number"]:focus,
.form-group select:focus {
    outline: none;
    border-color: #1a365d;
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.form-group small {
    color: #7f8c8d;
    font-size: 0.85rem;
    font-style: italic;
}

.form-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    margin-right: 10px;
}

.form-group label input[type="checkbox"] {
    display: inline-block;
    width: auto;
}

.form-group label {
    cursor: pointer;
    display: flex;
    align-items: center;
}

/* Campo centrado (5to campo) */
.form-group.center-field {
    align-items: center;
    text-align: center;
}

.form-group.center-field select,
.form-group.center-field input,
.form-group.center-field label {
    text-align: center;
}

.form-group.center-field select {
    max-width: 400px;
}

/* Botones */
.button-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}

.calculate-btn,
.clear-btn {
    padding: 14px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calculate-btn {
    background-color: #1a365d;
    color: white;
    box-shadow: 0 4px 12px rgba(26, 54, 93, 0.3);
}

.calculate-btn:hover {
    background-color: #2d4a7c;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(26, 54, 93, 0.4);
}

.calculate-btn:active {
    transform: translateY(0);
}

.clear-btn {
    background-color: #6c757d;
    color: white;
}

.clear-btn:hover {
    background-color: #5a6268;
}

/* Sección de resultados */
.results-section {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 3px solid #1a365d;
    display: none;
}

.results-section.active {
    display: block;
    animation: fadeIn 0.5s ease-in;
}

.mode-results {
    display: none;
}

.mode-results.active {
    display: block;
}

/* Tarjetas de resultados */
.result-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.result-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.result-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.result-card.highlight {
    background: linear-gradient(135deg, #1a365d 0%, #2d4a7c 100%);
    color: white;
}

.result-label {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.9;
}

.result-card.highlight .result-label {
    color: rgba(255, 255, 255, 0.95);
}

.result-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1a365d;
}

.result-card.highlight .result-value {
    color: #ffffff;
}

.result-value.positive {
    color: #28a745;
}

.result-value.negative {
    color: #dc3545;
}

/* Tabla de evolución */
.evolution-table-container {
    margin-top: 30px;
    overflow-x: auto;
}

.evolution-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.evolution-table thead {
    background: linear-gradient(135deg, #1a365d 0%, #2d4a7c 100%);
    color: white;
}

.evolution-table th,
.evolution-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.evolution-table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.evolution-table tbody tr:hover {
    background-color: #f8f9fa;
}

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

.evolution-table tbody tr.negative-balance {
    background-color: #fff3cd;
}

.evolution-table tbody tr.depleted {
    background-color: #f8d7da;
    font-weight: 600;
}

.text-center {
    text-align: center !important;
}

/* Cuadro de explicación */
.explanation-box {
    margin-top: 30px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid #1a365d;
}

.explanation-box h4 {
    margin-top: 0;
    color: #1a365d;
    font-size: 1.2rem;
}

.explanation-box p {
    margin: 0;
    line-height: 1.7;
    color: #2c3e50;
}

/* Responsive Design */
@media (max-width: 768px) {
    .swp-calculator-container {
        padding: 20px;
        margin: 20px 10px;
    }

    .mode-selector {
        flex-direction: column;
    }

    .mode-btn {
        width: 100%;
    }

    .result-cards {
        grid-template-columns: 1fr;
    }

    .button-group {
        flex-direction: column;
    }

    .calculate-btn,
    .clear-btn {
        width: 100%;
    }

    .evolution-table {
        font-size: 0.85rem;
    }

    .evolution-table th,
    .evolution-table td {
        padding: 10px 8px;
    }

    .result-value {
        font-size: 1.5rem;
    }

    .swp-calculator-container h3 {
        font-size: 1.3rem;
    }

    .swp-calculator-container h4 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .swp-calculator-container {
        padding: 15px;
    }

    .form-group input[type="number"],
    .form-group select {
        font-size: 0.9rem;
        padding: 10px;
    }

    .calculate-btn,
    .clear-btn {
        padding: 12px 30px;
        font-size: 1rem;
    }

    .result-value {
        font-size: 1.3rem;
    }

    .evolution-table {
        font-size: 0.8rem;
    }

    .evolution-table th,
    .evolution-table td {
        padding: 8px 5px;
    }

    .calculator-description p {
        font-size: 0.95rem;
    }

    .mode-btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
}

/* Accesibilidad */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}