:root {
    --color-primary: #1a5f9e;
    --color-primary-dark: #134a7c;
    --color-success: #198754;
    --color-warning: #e67e22;
    --color-danger: #c0392b;
    --color-info: #5d6d7e;
    --color-bg: #f4f7fb;
    --color-card: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --radius: 12px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 16px;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--color-bg);
    color: #2c3e50;
    min-height: auto;
}

.simulador-container {
    max-width: 560px;
    margin: 0 auto;
}

.simulador-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
}

.simulador-titulo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.simulador-subtitulo {
    color: #6c757d;
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.tipo-ingreso-opciones {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    padding: 12px;
    font-weight: 600;
    border-radius: 8px;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-primary:disabled {
    opacity: 0.7;
}

.loader-container {
    text-align: center;
    padding: 24px 0;
    color: #6c757d;
}

.resultado-container {
    margin-top: 24px;
}

.estado-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.estado-propuesta_disponible {
    background: #d1e7dd;
    color: var(--color-success);
}

.estado-revision_manual {
    background: #fff3cd;
    color: #856404;
}

.estado-no_disponible {
    background: #f8d7da;
    color: var(--color-danger);
}

.estado-sin_informacion,
.estado-error {
    background: #e2e3e5;
    color: var(--color-info);
}

.resultado-mensaje {
    font-size: 1rem;
    margin-bottom: 16px;
    line-height: 1.5;
}

.ofertas-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 480px) {
    .ofertas-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.oferta-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 16px;
    text-align: center;
}

.oferta-monto {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.oferta-plazo {
    font-size: 0.85rem;
    color: #6c757d;
}

.aclaracion {
    font-size: 0.8rem;
    color: #6c757d;
    margin-top: 16px;
    font-style: italic;
}

/* Admin */
.admin-container {
    max-width: 1100px;
    margin: 0 auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.admin-header h1 {
    font-size: 1.4rem;
    color: var(--color-primary);
    margin: 0;
}

.admin-section {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.admin-section h2 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: #34495e;
}

.table-admin {
    font-size: 0.9rem;
}

.table-admin input {
    min-width: 100px;
}

.token-result {
    background: #e8f4fd;
    border: 1px solid #b8daff;
    border-radius: 8px;
    padding: 12px;
    margin-top: 12px;
    word-break: break-all;
}

.token-invalido {
    text-align: center;
    padding: 60px 20px;
    color: #6c757d;
}

.alert-admin {
    margin-top: 12px;
}

/* Envío de solicitud */
.envio-solicitud {
    margin-top: 24px;
    padding: 20px;
    border: 2px solid #198754;
    border-radius: 12px;
    background: #f0faf4;
}

.envio-texto {
    font-size: 1rem;
    margin-bottom: 14px;
    font-weight: 500;
    color: #1e4620;
}

.btn-enviar-prestamo {
    background-color: #198754;
    border-color: #198754;
    color: #fff;
    padding: 14px 20px;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 8px;
}

.btn-enviar-prestamo:hover,
.btn-enviar-prestamo:focus {
    background-color: #157347;
    border-color: #157347;
    color: #fff;
}

.btn-enviar-prestamo:disabled {
    opacity: 0.75;
}

.envio-confirmado {
    margin-top: 20px;
    padding: 14px;
    background: #d1e7dd;
    color: var(--color-success);
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
}

.error-detalle-box {
    margin-bottom: 16px;
    padding: 12px 14px;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.5;
    color: #664d03;
}

/* Panel debug */
.debug-panel {
    margin-top: 20px;
    padding: 14px;
    background: #1e1e2e;
    color: #cdd6f4;
    border-radius: 8px;
    font-size: 0.8rem;
    overflow-x: auto;
}

.debug-titulo {
    font-weight: 700;
    color: #f9e2af;
    margin-bottom: 12px;
}

.debug-titulo small {
    font-weight: 400;
    color: #a6adc8;
}

.debug-seccion {
    margin-bottom: 14px;
}

.debug-seccion strong {
    color: #89b4fa;
    display: block;
    margin-bottom: 6px;
}

.debug-lista {
    margin: 0;
    padding-left: 18px;
}

.debug-lista li {
    margin-bottom: 2px;
}

.debug-tabla {
    color: #cdd6f4;
    margin-top: 8px;
    font-size: 0.75rem;
}

.debug-tabla th,
.debug-tabla td {
    border-color: #45475a;
    background: transparent;
    color: #cdd6f4;
}

.debug-json {
    margin-top: 8px;
}

.debug-json summary {
    cursor: pointer;
    color: #cba6f7;
}

.debug-json pre {
    margin-top: 8px;
    padding: 10px;
    background: #11111b;
    border-radius: 6px;
    max-height: 300px;
    overflow: auto;
    font-size: 0.7rem;
    white-space: pre-wrap;
    word-break: break-word;
}

.admin-detalle-pre {
    font-size: 0.75rem;
    max-height: 200px;
    overflow: auto;
    background: #f8f9fa;
    padding: 8px;
    border-radius: 4px;
}