/* Base visual compartida del Gestor de Pagos. */
:root {
    --color-primario: #0056b3;
    --color-primario-hover: #004494;
    --fondo-pantalla: #f4f7f6;
    --fondo-tarjeta: #ffffff;
    --texto-principal: #1e293b;
    --texto-secundario: #64748b;
    --color-exito: #22c55e;
    --color-error: #ef4444;
    --color-advertencia: #f59e0b;
    --borde-suave: #e2e8f0;
    --sombra-estandar: 0 4px 12px rgba(15, 23, 42, 0.06);

    /* Alias para las vistas existentes. */
    --primary-color: var(--color-primario);
    --primary-dark: var(--color-primario-hover);
    --secondary-color: #0ea5e9;
    --danger-color: var(--color-error);
    --danger-dark: #dc2626;
    --warning-color: var(--color-advertencia);
    --dark-color: var(--texto-principal);
    --light-color: #f8fafc;
    --border-color: var(--borde-suave);
    --shadow: var(--sombra-estandar);
    --border-radius: 8px;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    padding: 24px;
    background: var(--fondo-pantalla);
    color: var(--texto-principal);
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.5;
}

button,
input,
select {
    font: inherit;
}

a {
    color: var(--color-primario);
}

a:hover {
    color: var(--color-primario-hover);
}

.container {
    width: min(1180px, 100%);
    margin: 0 auto;
    overflow: hidden;
    background: var(--fondo-tarjeta);
    border: 1px solid var(--borde-suave);
    border-radius: var(--border-radius);
    box-shadow: var(--sombra-estandar);
    animation: aparecer 0.35s ease-out;
}

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

.header {
    padding: 28px 32px;
    background: var(--color-primario);
    color: #ffffff;
}

.header h1 {
    margin: 0 0 6px;
    font-size: 1.75rem;
    line-height: 1.25;
}

.header p {
    margin: 0;
    opacity: 0.88;
}

.content {
    padding: 28px 32px 32px;
}

.card {
    overflow: hidden;
    margin-bottom: 20px;
    background: var(--fondo-tarjeta);
    border: 1px solid var(--borde-suave);
    border-radius: var(--border-radius);
    box-shadow: var(--sombra-estandar);
}

.card-header {
    padding: 18px 22px;
    background: #f8fafc;
    border-bottom: 1px solid var(--borde-suave);
}

.card-header h2,
.card-header h3 {
    margin: 0;
    color: var(--texto-principal);
    font-size: 1.2rem;
}

.card-body {
    padding: 22px;
}

.form-container {
    width: min(500px, 100%);
    margin: 0 auto;
    padding: 32px;
    background: var(--fondo-tarjeta);
    border: 1px solid var(--borde-suave);
    border-radius: var(--border-radius);
    box-shadow: var(--sombra-estandar);
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 18px;
}

.form-group label {
    margin-bottom: 7px;
    color: var(--texto-principal);
    font-size: 0.9rem;
    font-weight: 600;
}

.form-group input,
.form-group select {
    width: 100%;
    min-height: 44px;
    padding: 10px 13px;
    color: var(--texto-principal);
    background: #ffffff;
    border: 1px solid var(--borde-suave);
    border-radius: var(--border-radius);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.12);
}

.btn {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    color: inherit;
    font-size: 0.92rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

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

.btn-primary {
    color: #ffffff;
    background: var(--color-primario);
}

.btn-primary:hover {
    color: #ffffff;
    background: var(--color-primario-hover);
}

.btn-secondary {
    color: var(--texto-principal);
    background: #ffffff;
    border-color: var(--borde-suave);
}

.btn-secondary:hover {
    color: var(--texto-principal);
    background: #f8fafc;
    border-color: #cbd5e1;
}

.btn-danger {
    color: #ffffff;
    background: var(--color-error);
}

.btn-danger:hover {
    color: #ffffff;
    background: #dc2626;
}

.btn-warning {
    color: #ffffff;
    background: var(--color-advertencia);
}

.btn-link {
    color: var(--color-primario);
    font-weight: 600;
    text-decoration: none;
}

.btn-link:hover {
    text-decoration: underline;
}

.alert,
.alert-success,
.alert-warning {
    margin-bottom: 20px;
    padding: 13px 16px;
    border: 1px solid transparent;
    border-left-width: 4px;
    border-radius: var(--border-radius);
    font-size: 0.93rem;
    font-weight: 500;
}

.alert-success {
    color: #166534;
    background: #dcfce7;
    border-color: #86efac;
}

.alert-error {
    color: #991b1b;
    background: #fee2e2;
    border-color: #fca5a5;
}

.alert-info {
    color: #075985;
    background: #e0f2fe;
    border-color: #7dd3fc;
}

.alert-warning {
    color: #854d0e;
    background: #fef9c3;
    border-color: #fde047;
}

.table-responsive {
    overflow-x: auto;
    border: 1px solid var(--borde-suave);
    border-radius: var(--border-radius);
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
}

th {
    padding: 13px 14px;
    color: var(--texto-secundario);
    font-size: 0.82rem;
    font-weight: 700;
    text-align: left;
    background: #f8fafc;
    border-bottom: 1px solid var(--borde-suave);
}

td {
    padding: 13px 14px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--borde-suave);
    vertical-align: middle;
}

tbody tr:last-child td {
    border-bottom: 0;
}

tbody tr:hover {
    background: #f8fafc;
}

.filtros-activos {
    margin-bottom: 20px;
    padding: 12px 16px;
    color: #075985;
    background: #e0f2fe;
    border-left: 4px solid #0ea5e9;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    body {
        padding: 12px;
    }

    .header,
    .content {
        padding: 20px;
    }

    .header h1 {
        font-size: 1.4rem;
    }

    .form-container {
        padding: 24px 20px;
    }

    .btn {
        width: 100%;
    }

    table,
    thead,
    tbody,
    th,
    td,
    tr {
        display: block;
    }

    thead {
        display: none;
    }

    tbody tr {
        margin-bottom: 12px;
        padding: 8px;
        background: #ffffff;
        border: 1px solid var(--borde-suave);
        border-radius: var(--border-radius);
    }

    tbody tr:last-child {
        margin-bottom: 0;
    }

    td {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 9px 8px;
        text-align: right;
    }

    td::before {
        width: 42%;
        flex-shrink: 0;
        color: var(--texto-secundario);
        content: attr(data-label);
        font-weight: 700;
        text-align: left;
    }
}