/* ============================================================
   PÁGINA: FACTURACIÓN — Dashboard de pagos y estado de cuenta
   (facturacion.js — solo estética, sin tocar la lógica)

   Sistema visual: un acento de color a la izquierda funciona como
   semáforo contable en toda la pestaña (KPIs y tarjeta de estado):
   verde = al día, ámbar = pendiente, rojo = requiere atención.
   ============================================================ */

/* --- KPIs (vista superuser) --- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.375rem 1.5rem;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gray-300);
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.kpi-card > i {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    background: var(--gray-100);
    color: var(--gray-500);
}

.kpi-content {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    min-width: 0;
}

.kpi-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kpi-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
    font-weight: 500;
}

.kpi-primary::before { background: var(--primary); }
.kpi-primary > i { background: rgba(99, 102, 241, 0.1); color: var(--primary); }

.kpi-success::before { background: var(--secondary); }
.kpi-success > i { background: rgba(16, 185, 129, 0.1); color: var(--secondary); }

.kpi-warning::before { background: var(--warning); }
.kpi-warning > i { background: rgba(245, 158, 11, 0.1); color: var(--warning); }

.kpi-danger::before { background: var(--danger); }
.kpi-danger > i { background: rgba(239, 68, 68, 0.1); color: var(--danger); }

@media (max-width: 1200px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
}

/* --- Tarjeta "Estado de tu cuenta" (vista admin de empresa) --- */
.billing-status-card {
    position: relative;
    border-left: 4px solid var(--gray-300);
    transition: border-color var(--transition);
}

.billing-status-card:has(.badge-success) {
    border-left-color: var(--secondary);
}

.billing-status-card:has(.badge-danger) {
    border-left-color: var(--danger);
    background: linear-gradient(180deg, rgba(239, 68, 68, 0.04) 0%, transparent 160px);
}

.billing-status-card .badge {
    font-size: 0.8125rem;
    padding: 0.375rem 0.875rem;
}

.billing-status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.billing-info-block {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    padding-left: 1rem;
    border-left: 2px solid var(--gray-100);
}

.billing-info-block .label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
}

.billing-info-block .value {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--gray-800);
    font-variant-numeric: tabular-nums;
}

/* --- Acción de pago: invita a subir el comprobante --- */
.billing-action {
    display: flex;
    justify-content: center;
    padding: 1.75rem 1.5rem;
    margin-bottom: 1.5rem;
    background: white;
    border: 1.5px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.billing-action:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.025);
}

.billing-action .btn {
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
}

/* --- Formulario "Registrar pago" (modal) --- */
#form-registrar-pago input,
#form-registrar-pago select,
#form-registrar-pago textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--gray-800);
    background: white;
    transition: all var(--transition-fast);
}

#form-registrar-pago select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
}

#form-registrar-pago input:focus,
#form-registrar-pago select:focus,
#form-registrar-pago textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

#form-registrar-pago input[type="file"] {
    padding: 0.5rem;
    cursor: pointer;
}

#form-registrar-pago textarea {
    resize: vertical;
    min-height: 80px;
}

/* --- Visor de comprobante (imagen o PDF) --- */
.comprobante-visor {
    display: block;
    max-width: 100%;
    max-height: 70vh;
    margin: 0 auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

img.comprobante-visor {
    object-fit: contain;
    background:
        linear-gradient(45deg, var(--gray-100) 25%, transparent 25%) -10px 0 / 20px 20px,
        linear-gradient(-45deg, var(--gray-100) 25%, transparent 25%) -10px 0 / 20px 20px,
        linear-gradient(45deg, transparent 75%, var(--gray-100) 75%) -10px 0 / 20px 20px,
        linear-gradient(-45deg, transparent 75%, var(--gray-100) 75%) -10px 0 / 20px 20px;
    background-color: white;
    padding: 0.5rem;
}

iframe.comprobante-visor {
    width: 100%;
    height: 70vh;
    border: 1px solid var(--gray-200);
}

/* --- Cola de acciones: colorea los botones de la tabla de pagos
   pendientes según su intención (usa el atributo title ya existente
   en cada acción, no requiere cambios en el JS) --- */
.data-table .actions .btn[title="Confirmar pago"] { color: var(--secondary); }
.data-table .actions .btn[title="Confirmar pago"]:hover { background: rgba(16, 185, 129, 0.1); }

.data-table .actions .btn[title="Rechazar pago"] { color: var(--danger); }
.data-table .actions .btn[title="Rechazar pago"]:hover { background: rgba(239, 68, 68, 0.1); }

.data-table .actions .btn[title="Ver comprobante"] { color: var(--gray-500); }

.data-table .actions .btn[title="Descargar PDF"] { color: var(--primary); }
.data-table .actions .btn[title="Descargar PDF"]:hover { background: rgba(99, 102, 241, 0.1); }

.data-table .actions .btn[title="Reenviar por correo"] { color: var(--info, #3b82f6); }
.data-table .actions .btn[title="Reenviar por correo"]:hover { background: rgba(59, 130, 246, 0.1); }